You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5643 lines
227 KiB
5643 lines
227 KiB
2 years ago
|
var VueCompilerDOM = (function (exports) {
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Make a map and return a function for checking if a key
|
||
|
|
* is in that map.
|
||
|
|
* IMPORTANT: all calls of this function must be prefixed with
|
||
|
|
* \/\*#\_\_PURE\_\_\*\/
|
||
|
|
* So that rollup can tree-shake them if necessary.
|
||
|
|
*/
|
||
|
|
function makeMap(str, expectsLowerCase) {
|
||
|
|
const map = Object.create(null);
|
||
|
|
const list = str.split(',');
|
||
|
|
for (let i = 0; i < list.length; i++) {
|
||
|
|
map[list[i]] = true;
|
||
|
|
}
|
||
|
|
return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* dev only flag -> name mapping
|
||
|
|
*/
|
||
|
|
const PatchFlagNames = {
|
||
|
|
[1 /* TEXT */]: `TEXT`,
|
||
|
|
[2 /* CLASS */]: `CLASS`,
|
||
|
|
[4 /* STYLE */]: `STYLE`,
|
||
|
|
[8 /* PROPS */]: `PROPS`,
|
||
|
|
[16 /* FULL_PROPS */]: `FULL_PROPS`,
|
||
|
|
[32 /* HYDRATE_EVENTS */]: `HYDRATE_EVENTS`,
|
||
|
|
[64 /* STABLE_FRAGMENT */]: `STABLE_FRAGMENT`,
|
||
|
|
[128 /* KEYED_FRAGMENT */]: `KEYED_FRAGMENT`,
|
||
|
|
[256 /* UNKEYED_FRAGMENT */]: `UNKEYED_FRAGMENT`,
|
||
|
|
[512 /* NEED_PATCH */]: `NEED_PATCH`,
|
||
|
|
[1024 /* DYNAMIC_SLOTS */]: `DYNAMIC_SLOTS`,
|
||
|
|
[2048 /* DEV_ROOT_FRAGMENT */]: `DEV_ROOT_FRAGMENT`,
|
||
|
|
[-1 /* HOISTED */]: `HOISTED`,
|
||
|
|
[-2 /* BAIL */]: `BAIL`
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Dev only
|
||
|
|
*/
|
||
|
|
const slotFlagsText = {
|
||
|
|
[1 /* STABLE */]: 'STABLE',
|
||
|
|
[2 /* DYNAMIC */]: 'DYNAMIC',
|
||
|
|
[3 /* FORWARDED */]: 'FORWARDED'
|
||
|
|
};
|
||
|
|
|
||
|
|
const range = 2;
|
||
|
|
function generateCodeFrame(source, start = 0, end = source.length) {
|
||
|
|
// Split the content into individual lines but capture the newline sequence
|
||
|
|
// that separated each line. This is important because the actual sequence is
|
||
|
|
// needed to properly take into account the full line length for offset
|
||
|
|
// comparison
|
||
|
|
let lines = source.split(/(\r?\n)/);
|
||
|
|
// Separate the lines and newline sequences into separate arrays for easier referencing
|
||
|
|
const newlineSequences = lines.filter((_, idx) => idx % 2 === 1);
|
||
|
|
lines = lines.filter((_, idx) => idx % 2 === 0);
|
||
|
|
let count = 0;
|
||
|
|
const res = [];
|
||
|
|
for (let i = 0; i < lines.length; i++) {
|
||
|
|
count +=
|
||
|
|
lines[i].length +
|
||
|
|
((newlineSequences[i] && newlineSequences[i].length) || 0);
|
||
|
|
if (count >= start) {
|
||
|
|
for (let j = i - range; j <= i + range || end > count; j++) {
|
||
|
|
if (j < 0 || j >= lines.length)
|
||
|
|
continue;
|
||
|
|
const line = j + 1;
|
||
|
|
res.push(`${line}${' '.repeat(Math.max(3 - String(line).length, 0))}| ${lines[j]}`);
|
||
|
|
const lineLength = lines[j].length;
|
||
|
|
const newLineSeqLength = (newlineSequences[j] && newlineSequences[j].length) || 0;
|
||
|
|
if (j === i) {
|
||
|
|
// push underline
|
||
|
|
const pad = start - (count - (lineLength + newLineSeqLength));
|
||
|
|
const length = Math.max(1, end > count ? lineLength - pad : end - start);
|
||
|
|
res.push(` | ` + ' '.repeat(pad) + '^'.repeat(length));
|
||
|
|
}
|
||
|
|
else if (j > i) {
|
||
|
|
if (end > count) {
|
||
|
|
const length = Math.max(Math.min(end - count, lineLength), 1);
|
||
|
|
res.push(` | ` + '^'.repeat(length));
|
||
|
|
}
|
||
|
|
count += lineLength + newLineSeqLength;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return res.join('\n');
|
||
|
|
}
|
||
|
|
|
||
|
|
const listDelimiterRE = /;(?![^(]*\))/g;
|
||
|
|
const propertyDelimiterRE = /:(.+)/;
|
||
|
|
function parseStringStyle(cssText) {
|
||
|
|
const ret = {};
|
||
|
|
cssText.split(listDelimiterRE).forEach(item => {
|
||
|
|
if (item) {
|
||
|
|
const tmp = item.split(propertyDelimiterRE);
|
||
|
|
tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
// These tag configs are shared between compiler-dom and runtime-dom, so they
|
||
|
|
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element
|
||
|
|
const HTML_TAGS = 'html,body,base,head,link,meta,style,title,address,article,aside,footer,' +
|
||
|
|
'header,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,' +
|
||
|
|
'figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,' +
|
||
|
|
'data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,' +
|
||
|
|
'time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,' +
|
||
|
|
'canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,' +
|
||
|
|
'th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,' +
|
||
|
|
'option,output,progress,select,textarea,details,dialog,menu,' +
|
||
|
|
'summary,template,blockquote,iframe,tfoot';
|
||
|
|
// https://developer.mozilla.org/en-US/docs/Web/SVG/Element
|
||
|
|
const SVG_TAGS = 'svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,' +
|
||
|
|
'defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,' +
|
||
|
|
'feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,' +
|
||
|
|
'feDistanceLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,' +
|
||
|
|
'feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,' +
|
||
|
|
'fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,' +
|
||
|
|
'foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,' +
|
||
|
|
'mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,' +
|
||
|
|
'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' +
|
||
|
|
'text,textPath,title,tspan,unknown,use,view';
|
||
|
|
const VOID_TAGS = 'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr';
|
||
|
|
/**
|
||
|
|
* Compiler only.
|
||
|
|
* Do NOT use in runtime code paths unless behind `true` flag.
|
||
|
|
*/
|
||
|
|
const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS);
|
||
|
|
/**
|
||
|
|
* Compiler only.
|
||
|
|
* Do NOT use in runtime code paths unless behind `true` flag.
|
||
|
|
*/
|
||
|
|
const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS);
|
||
|
|
/**
|
||
|
|
* Compiler only.
|
||
|
|
* Do NOT use in runtime code paths unless behind `true` flag.
|
||
|
|
*/
|
||
|
|
const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS);
|
||
|
|
|
||
|
|
const EMPTY_OBJ = Object.freeze({})
|
||
|
|
;
|
||
|
|
Object.freeze([]) ;
|
||
|
|
const NOOP = () => { };
|
||
|
|
/**
|
||
|
|
* Always return false.
|
||
|
|
*/
|
||
|
|
const NO = () => false;
|
||
|
|
const onRE = /^on[^a-z]/;
|
||
|
|
const isOn = (key) => onRE.test(key);
|
||
|
|
const extend = Object.assign;
|
||
|
|
const isArray = Array.isArray;
|
||
|
|
const isString = (val) => typeof val === 'string';
|
||
|
|
const isSymbol = (val) => typeof val === 'symbol';
|
||
|
|
const isObject = (val) => val !== null && typeof val === 'object';
|
||
|
|
const isReservedProp = /*#__PURE__*/ makeMap(
|
||
|
|
// the leading comma is intentional so empty string "" is also included
|
||
|
|
',key,ref,ref_for,ref_key,' +
|
||
|
|
'onVnodeBeforeMount,onVnodeMounted,' +
|
||
|
|
'onVnodeBeforeUpdate,onVnodeUpdated,' +
|
||
|
|
'onVnodeBeforeUnmount,onVnodeUnmounted');
|
||
|
|
const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo');
|
||
|
|
const cacheStringFunction = (fn) => {
|
||
|
|
const cache = Object.create(null);
|
||
|
|
return ((str) => {
|
||
|
|
const hit = cache[str];
|
||
|
|
return hit || (cache[str] = fn(str));
|
||
|
|
});
|
||
|
|
};
|
||
|
|
const camelizeRE = /-(\w)/g;
|
||
|
|
/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
const camelize = cacheStringFunction((str) => {
|
||
|
|
return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''));
|
||
|
|
});
|
||
|
|
const hyphenateRE = /\B([A-Z])/g;
|
||
|
|
/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
const hyphenate = cacheStringFunction((str) => str.replace(hyphenateRE, '-$1').toLowerCase());
|
||
|
|
/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
const capitalize = cacheStringFunction((str) => str.charAt(0).toUpperCase() + str.slice(1));
|
||
|
|
/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
const toHandlerKey = cacheStringFunction((str) => str ? `on${capitalize(str)}` : ``);
|
||
|
|
|
||
|
|
function defaultOnError(error) {
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
function defaultOnWarn(msg) {
|
||
|
|
console.warn(`[Vue warn] ${msg.message}`);
|
||
|
|
}
|
||
|
|
function createCompilerError(code, loc, messages, additionalMessage) {
|
||
|
|
const msg = (messages || errorMessages)[code] + (additionalMessage || ``)
|
||
|
|
;
|
||
|
|
const error = new SyntaxError(String(msg));
|
||
|
|
error.code = code;
|
||
|
|
error.loc = loc;
|
||
|
|
return error;
|
||
|
|
}
|
||
|
|
const errorMessages = {
|
||
|
|
// parse errors
|
||
|
|
[0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */]: 'Illegal comment.',
|
||
|
|
[1 /* CDATA_IN_HTML_CONTENT */]: 'CDATA section is allowed only in XML context.',
|
||
|
|
[2 /* DUPLICATE_ATTRIBUTE */]: 'Duplicate attribute.',
|
||
|
|
[3 /* END_TAG_WITH_ATTRIBUTES */]: 'End tag cannot have attributes.',
|
||
|
|
[4 /* END_TAG_WITH_TRAILING_SOLIDUS */]: "Illegal '/' in tags.",
|
||
|
|
[5 /* EOF_BEFORE_TAG_NAME */]: 'Unexpected EOF in tag.',
|
||
|
|
[6 /* EOF_IN_CDATA */]: 'Unexpected EOF in CDATA section.',
|
||
|
|
[7 /* EOF_IN_COMMENT */]: 'Unexpected EOF in comment.',
|
||
|
|
[8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */]: 'Unexpected EOF in script.',
|
||
|
|
[9 /* EOF_IN_TAG */]: 'Unexpected EOF in tag.',
|
||
|
|
[10 /* INCORRECTLY_CLOSED_COMMENT */]: 'Incorrectly closed comment.',
|
||
|
|
[11 /* INCORRECTLY_OPENED_COMMENT */]: 'Incorrectly opened comment.',
|
||
|
|
[12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */]: "Illegal tag name. Use '<' to print '<'.",
|
||
|
|
[13 /* MISSING_ATTRIBUTE_VALUE */]: 'Attribute value was expected.',
|
||
|
|
[14 /* MISSING_END_TAG_NAME */]: 'End tag name was expected.',
|
||
|
|
[15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */]: 'Whitespace was expected.',
|
||
|
|
[16 /* NESTED_COMMENT */]: "Unexpected '<!--' in comment.",
|
||
|
|
[17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */]: 'Attribute name cannot contain U+0022 ("), U+0027 (\'), and U+003C (<).',
|
||
|
|
[18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */]: 'Unquoted attribute value cannot contain U+0022 ("), U+0027 (\'), U+003C (<), U+003D (=), and U+0060 (`).',
|
||
|
|
[19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */]: "Attribute name cannot start with '='.",
|
||
|
|
[21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */]: "'<?' is allowed only in XML context.",
|
||
|
|
[20 /* UNEXPECTED_NULL_CHARACTER */]: `Unexpected null character.`,
|
||
|
|
[22 /* UNEXPECTED_SOLIDUS_IN_TAG */]: "Illegal '/' in tags.",
|
||
|
|
// Vue-specific parse errors
|
||
|
|
[23 /* X_INVALID_END_TAG */]: 'Invalid end tag.',
|
||
|
|
[24 /* X_MISSING_END_TAG */]: 'Element is missing end tag.',
|
||
|
|
[25 /* X_MISSING_INTERPOLATION_END */]: 'Interpolation end sign was not found.',
|
||
|
|
[27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */]: 'End bracket for dynamic directive argument was not found. ' +
|
||
|
|
'Note that dynamic directive argument cannot contain spaces.',
|
||
|
|
[26 /* X_MISSING_DIRECTIVE_NAME */]: 'Legal directive name was expected.',
|
||
|
|
// transform errors
|
||
|
|
[28 /* X_V_IF_NO_EXPRESSION */]: `v-if/v-else-if is missing expression.`,
|
||
|
|
[29 /* X_V_IF_SAME_KEY */]: `v-if/else branches must use unique keys.`,
|
||
|
|
[30 /* X_V_ELSE_NO_ADJACENT_IF */]: `v-else/v-else-if has no adjacent v-if or v-else-if.`,
|
||
|
|
[31 /* X_V_FOR_NO_EXPRESSION */]: `v-for is missing expression.`,
|
||
|
|
[32 /* X_V_FOR_MALFORMED_EXPRESSION */]: `v-for has invalid expression.`,
|
||
|
|
[33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */]: `<template v-for> key should be placed on the <template> tag.`,
|
||
|
|
[34 /* X_V_BIND_NO_EXPRESSION */]: `v-bind is missing expression.`,
|
||
|
|
[35 /* X_V_ON_NO_EXPRESSION */]: `v-on is missing expression.`,
|
||
|
|
[36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */]: `Unexpected custom directive on <slot> outlet.`,
|
||
|
|
[37 /* X_V_SLOT_MIXED_SLOT_USAGE */]: `Mixed v-slot usage on both the component and nested <template>.` +
|
||
|
|
`When there are multiple named slots, all slots should use <template> ` +
|
||
|
|
`syntax to avoid scope ambiguity.`,
|
||
|
|
[38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */]: `Duplicate slot names found. `,
|
||
|
|
[39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */]: `Extraneous children found when component already has explicitly named ` +
|
||
|
|
`default slot. These children will be ignored.`,
|
||
|
|
[40 /* X_V_SLOT_MISPLACED */]: `v-slot can only be used on components or <template> tags.`,
|
||
|
|
[41 /* X_V_MODEL_NO_EXPRESSION */]: `v-model is missing expression.`,
|
||
|
|
[42 /* X_V_MODEL_MALFORMED_EXPRESSION */]: `v-model value must be a valid JavaScript member expression.`,
|
||
|
|
[43 /* X_V_MODEL_ON_SCOPE_VARIABLE */]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
|
||
|
|
[44 /* X_INVALID_EXPRESSION */]: `Error parsing JavaScript expression: `,
|
||
|
|
[45 /* X_KEEP_ALIVE_INVALID_CHILDREN */]: `<KeepAlive> expects exactly one child component.`,
|
||
|
|
// generic errors
|
||
|
|
[46 /* X_PREFIX_ID_NOT_SUPPORTED */]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
|
||
|
|
[47 /* X_MODULE_MODE_NOT_SUPPORTED */]: `ES module mode is not supported in this build of compiler.`,
|
||
|
|
[48 /* X_CACHE_HANDLER_NOT_SUPPORTED */]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
|
||
|
|
[49 /* X_SCOPE_ID_NOT_SUPPORTED */]: `"scopeId" option is only supported in module mode.`,
|
||
|
|
// just to fulfill types
|
||
|
|
[50 /* __EXTEND_POINT__ */]: ``
|
||
|
|
};
|
||
|
|
|
||
|
|
const FRAGMENT = Symbol(`Fragment` );
|
||
|
|
const TELEPORT = Symbol(`Teleport` );
|
||
|
|
const SUSPENSE = Symbol(`Suspense` );
|
||
|
|
const KEEP_ALIVE = Symbol(`KeepAlive` );
|
||
|
|
const BASE_TRANSITION = Symbol(`BaseTransition` );
|
||
|
|
const OPEN_BLOCK = Symbol(`openBlock` );
|
||
|
|
const CREATE_BLOCK = Symbol(`createBlock` );
|
||
|
|
const CREATE_ELEMENT_BLOCK = Symbol(`createElementBlock` );
|
||
|
|
const CREATE_VNODE = Symbol(`createVNode` );
|
||
|
|
const CREATE_ELEMENT_VNODE = Symbol(`createElementVNode` );
|
||
|
|
const CREATE_COMMENT = Symbol(`createCommentVNode` );
|
||
|
|
const CREATE_TEXT = Symbol(`createTextVNode` );
|
||
|
|
const CREATE_STATIC = Symbol(`createStaticVNode` );
|
||
|
|
const RESOLVE_COMPONENT = Symbol(`resolveComponent` );
|
||
|
|
const RESOLVE_DYNAMIC_COMPONENT = Symbol(`resolveDynamicComponent` );
|
||
|
|
const RESOLVE_DIRECTIVE = Symbol(`resolveDirective` );
|
||
|
|
const RESOLVE_FILTER = Symbol(`resolveFilter` );
|
||
|
|
const WITH_DIRECTIVES = Symbol(`withDirectives` );
|
||
|
|
const RENDER_LIST = Symbol(`renderList` );
|
||
|
|
const RENDER_SLOT = Symbol(`renderSlot` );
|
||
|
|
const CREATE_SLOTS = Symbol(`createSlots` );
|
||
|
|
const TO_DISPLAY_STRING = Symbol(`toDisplayString` );
|
||
|
|
const MERGE_PROPS = Symbol(`mergeProps` );
|
||
|
|
const NORMALIZE_CLASS = Symbol(`normalizeClass` );
|
||
|
|
const NORMALIZE_STYLE = Symbol(`normalizeStyle` );
|
||
|
|
const NORMALIZE_PROPS = Symbol(`normalizeProps` );
|
||
|
|
const GUARD_REACTIVE_PROPS = Symbol(`guardReactiveProps` );
|
||
|
|
const TO_HANDLERS = Symbol(`toHandlers` );
|
||
|
|
const CAMELIZE = Symbol(`camelize` );
|
||
|
|
const CAPITALIZE = Symbol(`capitalize` );
|
||
|
|
const TO_HANDLER_KEY = Symbol(`toHandlerKey` );
|
||
|
|
const SET_BLOCK_TRACKING = Symbol(`setBlockTracking` );
|
||
|
|
const PUSH_SCOPE_ID = Symbol(`pushScopeId` );
|
||
|
|
const POP_SCOPE_ID = Symbol(`popScopeId` );
|
||
|
|
const WITH_CTX = Symbol(`withCtx` );
|
||
|
|
const UNREF = Symbol(`unref` );
|
||
|
|
const IS_REF = Symbol(`isRef` );
|
||
|
|
const WITH_MEMO = Symbol(`withMemo` );
|
||
|
|
const IS_MEMO_SAME = Symbol(`isMemoSame` );
|
||
|
|
// Name mapping for runtime helpers that need to be imported from 'vue' in
|
||
|
|
// generated code. Make sure these are correctly exported in the runtime!
|
||
|
|
// Using `any` here because TS doesn't allow symbols as index type.
|
||
|
|
const helperNameMap = {
|
||
|
|
[FRAGMENT]: `Fragment`,
|
||
|
|
[TELEPORT]: `Teleport`,
|
||
|
|
[SUSPENSE]: `Suspense`,
|
||
|
|
[KEEP_ALIVE]: `KeepAlive`,
|
||
|
|
[BASE_TRANSITION]: `BaseTransition`,
|
||
|
|
[OPEN_BLOCK]: `openBlock`,
|
||
|
|
[CREATE_BLOCK]: `createBlock`,
|
||
|
|
[CREATE_ELEMENT_BLOCK]: `createElementBlock`,
|
||
|
|
[CREATE_VNODE]: `createVNode`,
|
||
|
|
[CREATE_ELEMENT_VNODE]: `createElementVNode`,
|
||
|
|
[CREATE_COMMENT]: `createCommentVNode`,
|
||
|
|
[CREATE_TEXT]: `createTextVNode`,
|
||
|
|
[CREATE_STATIC]: `createStaticVNode`,
|
||
|
|
[RESOLVE_COMPONENT]: `resolveComponent`,
|
||
|
|
[RESOLVE_DYNAMIC_COMPONENT]: `resolveDynamicComponent`,
|
||
|
|
[RESOLVE_DIRECTIVE]: `resolveDirective`,
|
||
|
|
[RESOLVE_FILTER]: `resolveFilter`,
|
||
|
|
[WITH_DIRECTIVES]: `withDirectives`,
|
||
|
|
[RENDER_LIST]: `renderList`,
|
||
|
|
[RENDER_SLOT]: `renderSlot`,
|
||
|
|
[CREATE_SLOTS]: `createSlots`,
|
||
|
|
[TO_DISPLAY_STRING]: `toDisplayString`,
|
||
|
|
[MERGE_PROPS]: `mergeProps`,
|
||
|
|
[NORMALIZE_CLASS]: `normalizeClass`,
|
||
|
|
[NORMALIZE_STYLE]: `normalizeStyle`,
|
||
|
|
[NORMALIZE_PROPS]: `normalizeProps`,
|
||
|
|
[GUARD_REACTIVE_PROPS]: `guardReactiveProps`,
|
||
|
|
[TO_HANDLERS]: `toHandlers`,
|
||
|
|
[CAMELIZE]: `camelize`,
|
||
|
|
[CAPITALIZE]: `capitalize`,
|
||
|
|
[TO_HANDLER_KEY]: `toHandlerKey`,
|
||
|
|
[SET_BLOCK_TRACKING]: `setBlockTracking`,
|
||
|
|
[PUSH_SCOPE_ID]: `pushScopeId`,
|
||
|
|
[POP_SCOPE_ID]: `popScopeId`,
|
||
|
|
[WITH_CTX]: `withCtx`,
|
||
|
|
[UNREF]: `unref`,
|
||
|
|
[IS_REF]: `isRef`,
|
||
|
|
[WITH_MEMO]: `withMemo`,
|
||
|
|
[IS_MEMO_SAME]: `isMemoSame`
|
||
|
|
};
|
||
|
|
function registerRuntimeHelpers(helpers) {
|
||
|
|
Object.getOwnPropertySymbols(helpers).forEach(s => {
|
||
|
|
helperNameMap[s] = helpers[s];
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// AST Utilities ---------------------------------------------------------------
|
||
|
|
// Some expressions, e.g. sequence and conditional expressions, are never
|
||
|
|
// associated with template nodes, so their source locations are just a stub.
|
||
|
|
// Container types like CompoundExpression also don't need a real location.
|
||
|
|
const locStub = {
|
||
|
|
source: '',
|
||
|
|
start: { line: 1, column: 1, offset: 0 },
|
||
|
|
end: { line: 1, column: 1, offset: 0 }
|
||
|
|
};
|
||
|
|
function createRoot(children, loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 0 /* ROOT */,
|
||
|
|
children,
|
||
|
|
helpers: [],
|
||
|
|
components: [],
|
||
|
|
directives: [],
|
||
|
|
hoists: [],
|
||
|
|
imports: [],
|
||
|
|
cached: 0,
|
||
|
|
temps: 0,
|
||
|
|
codegenNode: undefined,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createVNodeCall(context, tag, props, children, patchFlag, dynamicProps, directives, isBlock = false, disableTracking = false, isComponent = false, loc = locStub) {
|
||
|
|
if (context) {
|
||
|
|
if (isBlock) {
|
||
|
|
context.helper(OPEN_BLOCK);
|
||
|
|
context.helper(getVNodeBlockHelper(context.inSSR, isComponent));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.helper(getVNodeHelper(context.inSSR, isComponent));
|
||
|
|
}
|
||
|
|
if (directives) {
|
||
|
|
context.helper(WITH_DIRECTIVES);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 13 /* VNODE_CALL */,
|
||
|
|
tag,
|
||
|
|
props,
|
||
|
|
children,
|
||
|
|
patchFlag,
|
||
|
|
dynamicProps,
|
||
|
|
directives,
|
||
|
|
isBlock,
|
||
|
|
disableTracking,
|
||
|
|
isComponent,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createArrayExpression(elements, loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 17 /* JS_ARRAY_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
elements
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createObjectExpression(properties, loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 15 /* JS_OBJECT_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
properties
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createObjectProperty(key, value) {
|
||
|
|
return {
|
||
|
|
type: 16 /* JS_PROPERTY */,
|
||
|
|
loc: locStub,
|
||
|
|
key: isString(key) ? createSimpleExpression(key, true) : key,
|
||
|
|
value
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createSimpleExpression(content, isStatic = false, loc = locStub, constType = 0 /* NOT_CONSTANT */) {
|
||
|
|
return {
|
||
|
|
type: 4 /* SIMPLE_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
content,
|
||
|
|
isStatic,
|
||
|
|
constType: isStatic ? 3 /* CAN_STRINGIFY */ : constType
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createInterpolation(content, loc) {
|
||
|
|
return {
|
||
|
|
type: 5 /* INTERPOLATION */,
|
||
|
|
loc,
|
||
|
|
content: isString(content)
|
||
|
|
? createSimpleExpression(content, false, loc)
|
||
|
|
: content
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createCompoundExpression(children, loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 8 /* COMPOUND_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
children
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createCallExpression(callee, args = [], loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 14 /* JS_CALL_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
callee,
|
||
|
|
arguments: args
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createFunctionExpression(params, returns = undefined, newline = false, isSlot = false, loc = locStub) {
|
||
|
|
return {
|
||
|
|
type: 18 /* JS_FUNCTION_EXPRESSION */,
|
||
|
|
params,
|
||
|
|
returns,
|
||
|
|
newline,
|
||
|
|
isSlot,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createConditionalExpression(test, consequent, alternate, newline = true) {
|
||
|
|
return {
|
||
|
|
type: 19 /* JS_CONDITIONAL_EXPRESSION */,
|
||
|
|
test,
|
||
|
|
consequent,
|
||
|
|
alternate,
|
||
|
|
newline,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createCacheExpression(index, value, isVNode = false) {
|
||
|
|
return {
|
||
|
|
type: 20 /* JS_CACHE_EXPRESSION */,
|
||
|
|
index,
|
||
|
|
value,
|
||
|
|
isVNode,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createBlockStatement(body) {
|
||
|
|
return {
|
||
|
|
type: 21 /* JS_BLOCK_STATEMENT */,
|
||
|
|
body,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createTemplateLiteral(elements) {
|
||
|
|
return {
|
||
|
|
type: 22 /* JS_TEMPLATE_LITERAL */,
|
||
|
|
elements,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createIfStatement(test, consequent, alternate) {
|
||
|
|
return {
|
||
|
|
type: 23 /* JS_IF_STATEMENT */,
|
||
|
|
test,
|
||
|
|
consequent,
|
||
|
|
alternate,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createAssignmentExpression(left, right) {
|
||
|
|
return {
|
||
|
|
type: 24 /* JS_ASSIGNMENT_EXPRESSION */,
|
||
|
|
left,
|
||
|
|
right,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createSequenceExpression(expressions) {
|
||
|
|
return {
|
||
|
|
type: 25 /* JS_SEQUENCE_EXPRESSION */,
|
||
|
|
expressions,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createReturnStatement(returns) {
|
||
|
|
return {
|
||
|
|
type: 26 /* JS_RETURN_STATEMENT */,
|
||
|
|
returns,
|
||
|
|
loc: locStub
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
const isStaticExp = (p) => p.type === 4 /* SIMPLE_EXPRESSION */ && p.isStatic;
|
||
|
|
const isBuiltInType = (tag, expected) => tag === expected || tag === hyphenate(expected);
|
||
|
|
function isCoreComponent(tag) {
|
||
|
|
if (isBuiltInType(tag, 'Teleport')) {
|
||
|
|
return TELEPORT;
|
||
|
|
}
|
||
|
|
else if (isBuiltInType(tag, 'Suspense')) {
|
||
|
|
return SUSPENSE;
|
||
|
|
}
|
||
|
|
else if (isBuiltInType(tag, 'KeepAlive')) {
|
||
|
|
return KEEP_ALIVE;
|
||
|
|
}
|
||
|
|
else if (isBuiltInType(tag, 'BaseTransition')) {
|
||
|
|
return BASE_TRANSITION;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const nonIdentifierRE = /^\d|[^\$\w]/;
|
||
|
|
const isSimpleIdentifier = (name) => !nonIdentifierRE.test(name);
|
||
|
|
const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/;
|
||
|
|
const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/;
|
||
|
|
const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g;
|
||
|
|
/**
|
||
|
|
* Simple lexer to check if an expression is a member expression. This is
|
||
|
|
* lax and only checks validity at the root level (i.e. does not validate exps
|
||
|
|
* inside square brackets), but it's ok since these are only used on template
|
||
|
|
* expressions and false positives are invalid expressions in the first place.
|
||
|
|
*/
|
||
|
|
const isMemberExpressionBrowser = (path) => {
|
||
|
|
// remove whitespaces around . or [ first
|
||
|
|
path = path.trim().replace(whitespaceRE, s => s.trim());
|
||
|
|
let state = 0 /* inMemberExp */;
|
||
|
|
let stateStack = [];
|
||
|
|
let currentOpenBracketCount = 0;
|
||
|
|
let currentOpenParensCount = 0;
|
||
|
|
let currentStringType = null;
|
||
|
|
for (let i = 0; i < path.length; i++) {
|
||
|
|
const char = path.charAt(i);
|
||
|
|
switch (state) {
|
||
|
|
case 0 /* inMemberExp */:
|
||
|
|
if (char === '[') {
|
||
|
|
stateStack.push(state);
|
||
|
|
state = 1 /* inBrackets */;
|
||
|
|
currentOpenBracketCount++;
|
||
|
|
}
|
||
|
|
else if (char === '(') {
|
||
|
|
stateStack.push(state);
|
||
|
|
state = 2 /* inParens */;
|
||
|
|
currentOpenParensCount++;
|
||
|
|
}
|
||
|
|
else if (!(i === 0 ? validFirstIdentCharRE : validIdentCharRE).test(char)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 1 /* inBrackets */:
|
||
|
|
if (char === `'` || char === `"` || char === '`') {
|
||
|
|
stateStack.push(state);
|
||
|
|
state = 3 /* inString */;
|
||
|
|
currentStringType = char;
|
||
|
|
}
|
||
|
|
else if (char === `[`) {
|
||
|
|
currentOpenBracketCount++;
|
||
|
|
}
|
||
|
|
else if (char === `]`) {
|
||
|
|
if (!--currentOpenBracketCount) {
|
||
|
|
state = stateStack.pop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 2 /* inParens */:
|
||
|
|
if (char === `'` || char === `"` || char === '`') {
|
||
|
|
stateStack.push(state);
|
||
|
|
state = 3 /* inString */;
|
||
|
|
currentStringType = char;
|
||
|
|
}
|
||
|
|
else if (char === `(`) {
|
||
|
|
currentOpenParensCount++;
|
||
|
|
}
|
||
|
|
else if (char === `)`) {
|
||
|
|
// if the exp ends as a call then it should not be considered valid
|
||
|
|
if (i === path.length - 1) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!--currentOpenParensCount) {
|
||
|
|
state = stateStack.pop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 3 /* inString */:
|
||
|
|
if (char === currentStringType) {
|
||
|
|
state = stateStack.pop();
|
||
|
|
currentStringType = null;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return !currentOpenBracketCount && !currentOpenParensCount;
|
||
|
|
};
|
||
|
|
const isMemberExpressionNode = NOOP
|
||
|
|
;
|
||
|
|
const isMemberExpression = isMemberExpressionBrowser
|
||
|
|
;
|
||
|
|
function getInnerRange(loc, offset, length) {
|
||
|
|
const source = loc.source.slice(offset, offset + length);
|
||
|
|
const newLoc = {
|
||
|
|
source,
|
||
|
|
start: advancePositionWithClone(loc.start, loc.source, offset),
|
||
|
|
end: loc.end
|
||
|
|
};
|
||
|
|
if (length != null) {
|
||
|
|
newLoc.end = advancePositionWithClone(loc.start, loc.source, offset + length);
|
||
|
|
}
|
||
|
|
return newLoc;
|
||
|
|
}
|
||
|
|
function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
|
||
|
|
return advancePositionWithMutation(extend({}, pos), source, numberOfCharacters);
|
||
|
|
}
|
||
|
|
// advance by mutation without cloning (for performance reasons), since this
|
||
|
|
// gets called a lot in the parser
|
||
|
|
function advancePositionWithMutation(pos, source, numberOfCharacters = source.length) {
|
||
|
|
let linesCount = 0;
|
||
|
|
let lastNewLinePos = -1;
|
||
|
|
for (let i = 0; i < numberOfCharacters; i++) {
|
||
|
|
if (source.charCodeAt(i) === 10 /* newline char code */) {
|
||
|
|
linesCount++;
|
||
|
|
lastNewLinePos = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
pos.offset += numberOfCharacters;
|
||
|
|
pos.line += linesCount;
|
||
|
|
pos.column =
|
||
|
|
lastNewLinePos === -1
|
||
|
|
? pos.column + numberOfCharacters
|
||
|
|
: numberOfCharacters - lastNewLinePos;
|
||
|
|
return pos;
|
||
|
|
}
|
||
|
|
function assert(condition, msg) {
|
||
|
|
/* istanbul ignore if */
|
||
|
|
if (!condition) {
|
||
|
|
throw new Error(msg || `unexpected compiler condition`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function findDir(node, name, allowEmpty = false) {
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 7 /* DIRECTIVE */ &&
|
||
|
|
(allowEmpty || p.exp) &&
|
||
|
|
(isString(name) ? p.name === name : name.test(p.name))) {
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function findProp(node, name, dynamicOnly = false, allowEmpty = false) {
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 6 /* ATTRIBUTE */) {
|
||
|
|
if (dynamicOnly)
|
||
|
|
continue;
|
||
|
|
if (p.name === name && (p.value || allowEmpty)) {
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (p.name === 'bind' &&
|
||
|
|
(p.exp || allowEmpty) &&
|
||
|
|
isStaticArgOf(p.arg, name)) {
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isStaticArgOf(arg, name) {
|
||
|
|
return !!(arg && isStaticExp(arg) && arg.content === name);
|
||
|
|
}
|
||
|
|
function hasDynamicKeyVBind(node) {
|
||
|
|
return node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
|
||
|
|
p.name === 'bind' &&
|
||
|
|
(!p.arg || // v-bind="obj"
|
||
|
|
p.arg.type !== 4 /* SIMPLE_EXPRESSION */ || // v-bind:[_ctx.foo]
|
||
|
|
!p.arg.isStatic) // v-bind:[foo]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
function isText(node) {
|
||
|
|
return node.type === 5 /* INTERPOLATION */ || node.type === 2 /* TEXT */;
|
||
|
|
}
|
||
|
|
function isVSlot(p) {
|
||
|
|
return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';
|
||
|
|
}
|
||
|
|
function isTemplateNode(node) {
|
||
|
|
return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);
|
||
|
|
}
|
||
|
|
function isSlotOutlet(node) {
|
||
|
|
return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;
|
||
|
|
}
|
||
|
|
function getVNodeHelper(ssr, isComponent) {
|
||
|
|
return ssr || isComponent ? CREATE_VNODE : CREATE_ELEMENT_VNODE;
|
||
|
|
}
|
||
|
|
function getVNodeBlockHelper(ssr, isComponent) {
|
||
|
|
return ssr || isComponent ? CREATE_BLOCK : CREATE_ELEMENT_BLOCK;
|
||
|
|
}
|
||
|
|
const propsHelperSet = new Set([NORMALIZE_PROPS, GUARD_REACTIVE_PROPS]);
|
||
|
|
function getUnnormalizedProps(props, callPath = []) {
|
||
|
|
if (props &&
|
||
|
|
!isString(props) &&
|
||
|
|
props.type === 14 /* JS_CALL_EXPRESSION */) {
|
||
|
|
const callee = props.callee;
|
||
|
|
if (!isString(callee) && propsHelperSet.has(callee)) {
|
||
|
|
return getUnnormalizedProps(props.arguments[0], callPath.concat(props));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return [props, callPath];
|
||
|
|
}
|
||
|
|
function injectProp(node, prop, context) {
|
||
|
|
let propsWithInjection;
|
||
|
|
/**
|
||
|
|
* 1. mergeProps(...)
|
||
|
|
* 2. toHandlers(...)
|
||
|
|
* 3. normalizeProps(...)
|
||
|
|
* 4. normalizeProps(guardReactiveProps(...))
|
||
|
|
*
|
||
|
|
* we need to get the real props before normalization
|
||
|
|
*/
|
||
|
|
let props = node.type === 13 /* VNODE_CALL */ ? node.props : node.arguments[2];
|
||
|
|
let callPath = [];
|
||
|
|
let parentCall;
|
||
|
|
if (props &&
|
||
|
|
!isString(props) &&
|
||
|
|
props.type === 14 /* JS_CALL_EXPRESSION */) {
|
||
|
|
const ret = getUnnormalizedProps(props);
|
||
|
|
props = ret[0];
|
||
|
|
callPath = ret[1];
|
||
|
|
parentCall = callPath[callPath.length - 1];
|
||
|
|
}
|
||
|
|
if (props == null || isString(props)) {
|
||
|
|
propsWithInjection = createObjectExpression([prop]);
|
||
|
|
}
|
||
|
|
else if (props.type === 14 /* JS_CALL_EXPRESSION */) {
|
||
|
|
// merged props... add ours
|
||
|
|
// only inject key to object literal if it's the first argument so that
|
||
|
|
// if doesn't override user provided keys
|
||
|
|
const first = props.arguments[0];
|
||
|
|
if (!isString(first) && first.type === 15 /* JS_OBJECT_EXPRESSION */) {
|
||
|
|
first.properties.unshift(prop);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (props.callee === TO_HANDLERS) {
|
||
|
|
// #2366
|
||
|
|
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
|
||
|
|
createObjectExpression([prop]),
|
||
|
|
props
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
props.arguments.unshift(createObjectExpression([prop]));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
!propsWithInjection && (propsWithInjection = props);
|
||
|
|
}
|
||
|
|
else if (props.type === 15 /* JS_OBJECT_EXPRESSION */) {
|
||
|
|
let alreadyExists = false;
|
||
|
|
// check existing key to avoid overriding user provided keys
|
||
|
|
if (prop.key.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
const propKeyName = prop.key.content;
|
||
|
|
alreadyExists = props.properties.some(p => p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
|
||
|
|
p.key.content === propKeyName);
|
||
|
|
}
|
||
|
|
if (!alreadyExists) {
|
||
|
|
props.properties.unshift(prop);
|
||
|
|
}
|
||
|
|
propsWithInjection = props;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// single v-bind with expression, return a merged replacement
|
||
|
|
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
|
||
|
|
createObjectExpression([prop]),
|
||
|
|
props
|
||
|
|
]);
|
||
|
|
// in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(props))`,
|
||
|
|
// it will be rewritten as `normalizeProps(mergeProps({ key: 0 }, props))`,
|
||
|
|
// the `guardReactiveProps` will no longer be needed
|
||
|
|
if (parentCall && parentCall.callee === GUARD_REACTIVE_PROPS) {
|
||
|
|
parentCall = callPath[callPath.length - 2];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (node.type === 13 /* VNODE_CALL */) {
|
||
|
|
if (parentCall) {
|
||
|
|
parentCall.arguments[0] = propsWithInjection;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
node.props = propsWithInjection;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (parentCall) {
|
||
|
|
parentCall.arguments[0] = propsWithInjection;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
node.arguments[2] = propsWithInjection;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function toValidAssetId(name, type) {
|
||
|
|
// see issue#4422, we need adding identifier on validAssetId if variable `name` has specific character
|
||
|
|
return `_${type}_${name.replace(/[^\w]/g, (searchValue, replaceValue) => {
|
||
|
|
return searchValue === '-' ? '_' : name.charCodeAt(replaceValue).toString();
|
||
|
|
})}`;
|
||
|
|
}
|
||
|
|
// Check if a node contains expressions that reference current context scope ids
|
||
|
|
function hasScopeRef(node, ids) {
|
||
|
|
if (!node || Object.keys(ids).length === 0) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
switch (node.type) {
|
||
|
|
case 1 /* ELEMENT */:
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 7 /* DIRECTIVE */ &&
|
||
|
|
(hasScopeRef(p.arg, ids) || hasScopeRef(p.exp, ids))) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return node.children.some(c => hasScopeRef(c, ids));
|
||
|
|
case 11 /* FOR */:
|
||
|
|
if (hasScopeRef(node.source, ids)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return node.children.some(c => hasScopeRef(c, ids));
|
||
|
|
case 9 /* IF */:
|
||
|
|
return node.branches.some(b => hasScopeRef(b, ids));
|
||
|
|
case 10 /* IF_BRANCH */:
|
||
|
|
if (hasScopeRef(node.condition, ids)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return node.children.some(c => hasScopeRef(c, ids));
|
||
|
|
case 4 /* SIMPLE_EXPRESSION */:
|
||
|
|
return (!node.isStatic &&
|
||
|
|
isSimpleIdentifier(node.content) &&
|
||
|
|
!!ids[node.content]);
|
||
|
|
case 8 /* COMPOUND_EXPRESSION */:
|
||
|
|
return node.children.some(c => isObject(c) && hasScopeRef(c, ids));
|
||
|
|
case 5 /* INTERPOLATION */:
|
||
|
|
case 12 /* TEXT_CALL */:
|
||
|
|
return hasScopeRef(node.content, ids);
|
||
|
|
case 2 /* TEXT */:
|
||
|
|
case 3 /* COMMENT */:
|
||
|
|
return false;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getMemoedVNodeCall(node) {
|
||
|
|
if (node.type === 14 /* JS_CALL_EXPRESSION */ && node.callee === WITH_MEMO) {
|
||
|
|
return node.arguments[1].returns;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return node;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function makeBlock(node, { helper, removeHelper, inSSR }) {
|
||
|
|
if (!node.isBlock) {
|
||
|
|
node.isBlock = true;
|
||
|
|
removeHelper(getVNodeHelper(inSSR, node.isComponent));
|
||
|
|
helper(OPEN_BLOCK);
|
||
|
|
helper(getVNodeBlockHelper(inSSR, node.isComponent));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const deprecationData = {
|
||
|
|
["COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */]: {
|
||
|
|
message: `Platform-native elements with "is" prop will no longer be ` +
|
||
|
|
`treated as components in Vue 3 unless the "is" value is explicitly ` +
|
||
|
|
`prefixed with "vue:".`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/custom-elements-interop.html`
|
||
|
|
},
|
||
|
|
["COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */]: {
|
||
|
|
message: key => `.sync modifier for v-bind has been removed. Use v-model with ` +
|
||
|
|
`argument instead. \`v-bind:${key}.sync\` should be changed to ` +
|
||
|
|
`\`v-model:${key}\`.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-model.html`
|
||
|
|
},
|
||
|
|
["COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */]: {
|
||
|
|
message: `.prop modifier for v-bind has been removed and no longer necessary. ` +
|
||
|
|
`Vue 3 will automatically set a binding as DOM property when appropriate.`
|
||
|
|
},
|
||
|
|
["COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */]: {
|
||
|
|
message: `v-bind="obj" usage is now order sensitive and behaves like JavaScript ` +
|
||
|
|
`object spread: it will now overwrite an existing non-mergeable attribute ` +
|
||
|
|
`that appears before v-bind in the case of conflict. ` +
|
||
|
|
`To retain 2.x behavior, move v-bind to make it the first attribute. ` +
|
||
|
|
`You can also suppress this warning if the usage is intended.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-bind.html`
|
||
|
|
},
|
||
|
|
["COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */]: {
|
||
|
|
message: `.native modifier for v-on has been removed as is no longer necessary.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html`
|
||
|
|
},
|
||
|
|
["COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */]: {
|
||
|
|
message: `v-if / v-for precedence when used on the same element has changed ` +
|
||
|
|
`in Vue 3: v-if now takes higher precedence and will no longer have ` +
|
||
|
|
`access to v-for scope variables. It is best to avoid the ambiguity ` +
|
||
|
|
`with <template> tags or use a computed property that filters v-for ` +
|
||
|
|
`data source.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-if-v-for.html`
|
||
|
|
},
|
||
|
|
["COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */]: {
|
||
|
|
message: `<template> with no special directives will render as a native template ` +
|
||
|
|
`element instead of its inner content in Vue 3.`
|
||
|
|
},
|
||
|
|
["COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */]: {
|
||
|
|
message: `"inline-template" has been removed in Vue 3.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/inline-template-attribute.html`
|
||
|
|
},
|
||
|
|
["COMPILER_FILTER" /* COMPILER_FILTERS */]: {
|
||
|
|
message: `filters have been removed in Vue 3. ` +
|
||
|
|
`The "|" symbol will be treated as native JavaScript bitwise OR operator. ` +
|
||
|
|
`Use method calls or computed properties instead.`,
|
||
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/filters.html`
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function getCompatValue(key, context) {
|
||
|
|
const config = context.options
|
||
|
|
? context.options.compatConfig
|
||
|
|
: context.compatConfig;
|
||
|
|
const value = config && config[key];
|
||
|
|
if (key === 'MODE') {
|
||
|
|
return value || 3; // compiler defaults to v3 behavior
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isCompatEnabled(key, context) {
|
||
|
|
const mode = getCompatValue('MODE', context);
|
||
|
|
const value = getCompatValue(key, context);
|
||
|
|
// in v3 mode, only enable if explicitly set to true
|
||
|
|
// otherwise enable for any non-false value
|
||
|
|
return mode === 3 ? value === true : value !== false;
|
||
|
|
}
|
||
|
|
function checkCompatEnabled(key, context, loc, ...args) {
|
||
|
|
const enabled = isCompatEnabled(key, context);
|
||
|
|
if (enabled) {
|
||
|
|
warnDeprecation(key, context, loc, ...args);
|
||
|
|
}
|
||
|
|
return enabled;
|
||
|
|
}
|
||
|
|
function warnDeprecation(key, context, loc, ...args) {
|
||
|
|
const val = getCompatValue(key, context);
|
||
|
|
if (val === 'suppress-warning') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const { message, link } = deprecationData[key];
|
||
|
|
const msg = `(deprecation ${key}) ${typeof message === 'function' ? message(...args) : message}${link ? `\n Details: ${link}` : ``}`;
|
||
|
|
const err = new SyntaxError(msg);
|
||
|
|
err.code = key;
|
||
|
|
if (loc)
|
||
|
|
err.loc = loc;
|
||
|
|
context.onWarn(err);
|
||
|
|
}
|
||
|
|
|
||
|
|
// The default decoder only provides escapes for characters reserved as part of
|
||
|
|
// the template syntax, and is only used if the custom renderer did not provide
|
||
|
|
// a platform-specific decoder.
|
||
|
|
const decodeRE = /&(gt|lt|amp|apos|quot);/g;
|
||
|
|
const decodeMap = {
|
||
|
|
gt: '>',
|
||
|
|
lt: '<',
|
||
|
|
amp: '&',
|
||
|
|
apos: "'",
|
||
|
|
quot: '"'
|
||
|
|
};
|
||
|
|
const defaultParserOptions = {
|
||
|
|
delimiters: [`{{`, `}}`],
|
||
|
|
getNamespace: () => 0 /* HTML */,
|
||
|
|
getTextMode: () => 0 /* DATA */,
|
||
|
|
isVoidTag: NO,
|
||
|
|
isPreTag: NO,
|
||
|
|
isCustomElement: NO,
|
||
|
|
decodeEntities: (rawText) => rawText.replace(decodeRE, (_, p1) => decodeMap[p1]),
|
||
|
|
onError: defaultOnError,
|
||
|
|
onWarn: defaultOnWarn,
|
||
|
|
comments: true
|
||
|
|
};
|
||
|
|
function baseParse(content, options = {}) {
|
||
|
|
const context = createParserContext(content, options);
|
||
|
|
const start = getCursor(context);
|
||
|
|
return createRoot(parseChildren(context, 0 /* DATA */, []), getSelection(context, start));
|
||
|
|
}
|
||
|
|
function createParserContext(content, rawOptions) {
|
||
|
|
const options = extend({}, defaultParserOptions);
|
||
|
|
let key;
|
||
|
|
for (key in rawOptions) {
|
||
|
|
// @ts-ignore
|
||
|
|
options[key] =
|
||
|
|
rawOptions[key] === undefined
|
||
|
|
? defaultParserOptions[key]
|
||
|
|
: rawOptions[key];
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
options,
|
||
|
|
column: 1,
|
||
|
|
line: 1,
|
||
|
|
offset: 0,
|
||
|
|
originalSource: content,
|
||
|
|
source: content,
|
||
|
|
inPre: false,
|
||
|
|
inVPre: false,
|
||
|
|
onWarn: options.onWarn
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function parseChildren(context, mode, ancestors) {
|
||
|
|
const parent = last(ancestors);
|
||
|
|
const ns = parent ? parent.ns : 0 /* HTML */;
|
||
|
|
const nodes = [];
|
||
|
|
while (!isEnd(context, mode, ancestors)) {
|
||
|
|
const s = context.source;
|
||
|
|
let node = undefined;
|
||
|
|
if (mode === 0 /* DATA */ || mode === 1 /* RCDATA */) {
|
||
|
|
if (!context.inVPre && startsWith(s, context.options.delimiters[0])) {
|
||
|
|
// '{{'
|
||
|
|
node = parseInterpolation(context, mode);
|
||
|
|
}
|
||
|
|
else if (mode === 0 /* DATA */ && s[0] === '<') {
|
||
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#tag-open-state
|
||
|
|
if (s.length === 1) {
|
||
|
|
emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 1);
|
||
|
|
}
|
||
|
|
else if (s[1] === '!') {
|
||
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state
|
||
|
|
if (startsWith(s, '<!--')) {
|
||
|
|
node = parseComment(context);
|
||
|
|
}
|
||
|
|
else if (startsWith(s, '<!DOCTYPE')) {
|
||
|
|
// Ignore DOCTYPE by a limitation.
|
||
|
|
node = parseBogusComment(context);
|
||
|
|
}
|
||
|
|
else if (startsWith(s, '<![CDATA[')) {
|
||
|
|
if (ns !== 0 /* HTML */) {
|
||
|
|
node = parseCDATA(context, ancestors);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
emitError(context, 1 /* CDATA_IN_HTML_CONTENT */);
|
||
|
|
node = parseBogusComment(context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
emitError(context, 11 /* INCORRECTLY_OPENED_COMMENT */);
|
||
|
|
node = parseBogusComment(context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (s[1] === '/') {
|
||
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#end-tag-open-state
|
||
|
|
if (s.length === 2) {
|
||
|
|
emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 2);
|
||
|
|
}
|
||
|
|
else if (s[2] === '>') {
|
||
|
|
emitError(context, 14 /* MISSING_END_TAG_NAME */, 2);
|
||
|
|
advanceBy(context, 3);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else if (/[a-z]/i.test(s[2])) {
|
||
|
|
emitError(context, 23 /* X_INVALID_END_TAG */);
|
||
|
|
parseTag(context, 1 /* End */, parent);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 2);
|
||
|
|
node = parseBogusComment(context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (/[a-z]/i.test(s[1])) {
|
||
|
|
node = parseElement(context, ancestors);
|
||
|
|
// 2.x <template> with no directive compat
|
||
|
|
if (isCompatEnabled("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context) &&
|
||
|
|
node &&
|
||
|
|
node.tag === 'template' &&
|
||
|
|
!node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
|
||
|
|
isSpecialTemplateDirective(p.name))) {
|
||
|
|
warnDeprecation("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context, node.loc);
|
||
|
|
node = node.children;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (s[1] === '?') {
|
||
|
|
emitError(context, 21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */, 1);
|
||
|
|
node = parseBogusComment(context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!node) {
|
||
|
|
node = parseText(context, mode);
|
||
|
|
}
|
||
|
|
if (isArray(node)) {
|
||
|
|
for (let i = 0; i < node.length; i++) {
|
||
|
|
pushNode(nodes, node[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
pushNode(nodes, node);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Whitespace handling strategy like v2
|
||
|
|
let removedWhitespace = false;
|
||
|
|
if (mode !== 2 /* RAWTEXT */ && mode !== 1 /* RCDATA */) {
|
||
|
|
const shouldCondense = context.options.whitespace !== 'preserve';
|
||
|
|
for (let i = 0; i < nodes.length; i++) {
|
||
|
|
const node = nodes[i];
|
||
|
|
if (!context.inPre && node.type === 2 /* TEXT */) {
|
||
|
|
if (!/[^\t\r\n\f ]/.test(node.content)) {
|
||
|
|
const prev = nodes[i - 1];
|
||
|
|
const next = nodes[i + 1];
|
||
|
|
// Remove if:
|
||
|
|
// - the whitespace is the first or last node, or:
|
||
|
|
// - (condense mode) the whitespace is adjacent to a comment, or:
|
||
|
|
// - (condense mode) the whitespace is between two elements AND contains newline
|
||
|
|
if (!prev ||
|
||
|
|
!next ||
|
||
|
|
(shouldCondense &&
|
||
|
|
(prev.type === 3 /* COMMENT */ ||
|
||
|
|
next.type === 3 /* COMMENT */ ||
|
||
|
|
(prev.type === 1 /* ELEMENT */ &&
|
||
|
|
next.type === 1 /* ELEMENT */ &&
|
||
|
|
/[\r\n]/.test(node.content))))) {
|
||
|
|
removedWhitespace = true;
|
||
|
|
nodes[i] = null;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Otherwise, the whitespace is condensed into a single space
|
||
|
|
node.content = ' ';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (shouldCondense) {
|
||
|
|
// in condense mode, consecutive whitespaces in text are condensed
|
||
|
|
// down to a single space.
|
||
|
|
node.content = node.content.replace(/[\t\r\n\f ]+/g, ' ');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Remove comment nodes if desired by configuration.
|
||
|
|
else if (node.type === 3 /* COMMENT */ && !context.options.comments) {
|
||
|
|
removedWhitespace = true;
|
||
|
|
nodes[i] = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (context.inPre && parent && context.options.isPreTag(parent.tag)) {
|
||
|
|
// remove leading newline per html spec
|
||
|
|
// https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element
|
||
|
|
const first = nodes[0];
|
||
|
|
if (first && first.type === 2 /* TEXT */) {
|
||
|
|
first.content = first.content.replace(/^\r?\n/, '');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return removedWhitespace ? nodes.filter(Boolean) : nodes;
|
||
|
|
}
|
||
|
|
function pushNode(nodes, node) {
|
||
|
|
if (node.type === 2 /* TEXT */) {
|
||
|
|
const prev = last(nodes);
|
||
|
|
// Merge if both this and the previous node are text and those are
|
||
|
|
// consecutive. This happens for cases like "a < b".
|
||
|
|
if (prev &&
|
||
|
|
prev.type === 2 /* TEXT */ &&
|
||
|
|
prev.loc.end.offset === node.loc.start.offset) {
|
||
|
|
prev.content += node.content;
|
||
|
|
prev.loc.end = node.loc.end;
|
||
|
|
prev.loc.source += node.loc.source;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
nodes.push(node);
|
||
|
|
}
|
||
|
|
function parseCDATA(context, ancestors) {
|
||
|
|
advanceBy(context, 9);
|
||
|
|
const nodes = parseChildren(context, 3 /* CDATA */, ancestors);
|
||
|
|
if (context.source.length === 0) {
|
||
|
|
emitError(context, 6 /* EOF_IN_CDATA */);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
advanceBy(context, 3);
|
||
|
|
}
|
||
|
|
return nodes;
|
||
|
|
}
|
||
|
|
function parseComment(context) {
|
||
|
|
const start = getCursor(context);
|
||
|
|
let content;
|
||
|
|
// Regular comment.
|
||
|
|
const match = /--(\!)?>/.exec(context.source);
|
||
|
|
if (!match) {
|
||
|
|
content = context.source.slice(4);
|
||
|
|
advanceBy(context, context.source.length);
|
||
|
|
emitError(context, 7 /* EOF_IN_COMMENT */);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (match.index <= 3) {
|
||
|
|
emitError(context, 0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */);
|
||
|
|
}
|
||
|
|
if (match[1]) {
|
||
|
|
emitError(context, 10 /* INCORRECTLY_CLOSED_COMMENT */);
|
||
|
|
}
|
||
|
|
content = context.source.slice(4, match.index);
|
||
|
|
// Advancing with reporting nested comments.
|
||
|
|
const s = context.source.slice(0, match.index);
|
||
|
|
let prevIndex = 1, nestedIndex = 0;
|
||
|
|
while ((nestedIndex = s.indexOf('<!--', prevIndex)) !== -1) {
|
||
|
|
advanceBy(context, nestedIndex - prevIndex + 1);
|
||
|
|
if (nestedIndex + 4 < s.length) {
|
||
|
|
emitError(context, 16 /* NESTED_COMMENT */);
|
||
|
|
}
|
||
|
|
prevIndex = nestedIndex + 1;
|
||
|
|
}
|
||
|
|
advanceBy(context, match.index + match[0].length - prevIndex + 1);
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 3 /* COMMENT */,
|
||
|
|
content,
|
||
|
|
loc: getSelection(context, start)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function parseBogusComment(context) {
|
||
|
|
const start = getCursor(context);
|
||
|
|
const contentStart = context.source[1] === '?' ? 1 : 2;
|
||
|
|
let content;
|
||
|
|
const closeIndex = context.source.indexOf('>');
|
||
|
|
if (closeIndex === -1) {
|
||
|
|
content = context.source.slice(contentStart);
|
||
|
|
advanceBy(context, context.source.length);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
content = context.source.slice(contentStart, closeIndex);
|
||
|
|
advanceBy(context, closeIndex + 1);
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 3 /* COMMENT */,
|
||
|
|
content,
|
||
|
|
loc: getSelection(context, start)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function parseElement(context, ancestors) {
|
||
|
|
// Start tag.
|
||
|
|
const wasInPre = context.inPre;
|
||
|
|
const wasInVPre = context.inVPre;
|
||
|
|
const parent = last(ancestors);
|
||
|
|
const element = parseTag(context, 0 /* Start */, parent);
|
||
|
|
const isPreBoundary = context.inPre && !wasInPre;
|
||
|
|
const isVPreBoundary = context.inVPre && !wasInVPre;
|
||
|
|
if (element.isSelfClosing || context.options.isVoidTag(element.tag)) {
|
||
|
|
// #4030 self-closing <pre> tag
|
||
|
|
if (isPreBoundary) {
|
||
|
|
context.inPre = false;
|
||
|
|
}
|
||
|
|
if (isVPreBoundary) {
|
||
|
|
context.inVPre = false;
|
||
|
|
}
|
||
|
|
return element;
|
||
|
|
}
|
||
|
|
// Children.
|
||
|
|
ancestors.push(element);
|
||
|
|
const mode = context.options.getTextMode(element, parent);
|
||
|
|
const children = parseChildren(context, mode, ancestors);
|
||
|
|
ancestors.pop();
|
||
|
|
// 2.x inline-template compat
|
||
|
|
{
|
||
|
|
const inlineTemplateProp = element.props.find(p => p.type === 6 /* ATTRIBUTE */ && p.name === 'inline-template');
|
||
|
|
if (inlineTemplateProp &&
|
||
|
|
checkCompatEnabled("COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */, context, inlineTemplateProp.loc)) {
|
||
|
|
const loc = getSelection(context, element.loc.end);
|
||
|
|
inlineTemplateProp.value = {
|
||
|
|
type: 2 /* TEXT */,
|
||
|
|
content: loc.source,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
element.children = children;
|
||
|
|
// End tag.
|
||
|
|
if (startsWithEndTagOpen(context.source, element.tag)) {
|
||
|
|
parseTag(context, 1 /* End */, parent);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
emitError(context, 24 /* X_MISSING_END_TAG */, 0, element.loc.start);
|
||
|
|
if (context.source.length === 0 && element.tag.toLowerCase() === 'script') {
|
||
|
|
const first = children[0];
|
||
|
|
if (first && startsWith(first.loc.source, '<!--')) {
|
||
|
|
emitError(context, 8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
element.loc = getSelection(context, element.loc.start);
|
||
|
|
if (isPreBoundary) {
|
||
|
|
context.inPre = false;
|
||
|
|
}
|
||
|
|
if (isVPreBoundary) {
|
||
|
|
context.inVPre = false;
|
||
|
|
}
|
||
|
|
return element;
|
||
|
|
}
|
||
|
|
const isSpecialTemplateDirective = /*#__PURE__*/ makeMap(`if,else,else-if,for,slot`);
|
||
|
|
function parseTag(context, type, parent) {
|
||
|
|
// Tag open.
|
||
|
|
const start = getCursor(context);
|
||
|
|
const match = /^<\/?([a-z][^\t\r\n\f />]*)/i.exec(context.source);
|
||
|
|
const tag = match[1];
|
||
|
|
const ns = context.options.getNamespace(tag, parent);
|
||
|
|
advanceBy(context, match[0].length);
|
||
|
|
advanceSpaces(context);
|
||
|
|
// save current state in case we need to re-parse attributes with v-pre
|
||
|
|
const cursor = getCursor(context);
|
||
|
|
const currentSource = context.source;
|
||
|
|
// check <pre> tag
|
||
|
|
if (context.options.isPreTag(tag)) {
|
||
|
|
context.inPre = true;
|
||
|
|
}
|
||
|
|
// Attributes.
|
||
|
|
let props = parseAttributes(context, type);
|
||
|
|
// check v-pre
|
||
|
|
if (type === 0 /* Start */ &&
|
||
|
|
!context.inVPre &&
|
||
|
|
props.some(p => p.type === 7 /* DIRECTIVE */ && p.name === 'pre')) {
|
||
|
|
context.inVPre = true;
|
||
|
|
// reset context
|
||
|
|
extend(context, cursor);
|
||
|
|
context.source = currentSource;
|
||
|
|
// re-parse attrs and filter out v-pre itself
|
||
|
|
props = parseAttributes(context, type).filter(p => p.name !== 'v-pre');
|
||
|
|
}
|
||
|
|
// Tag close.
|
||
|
|
let isSelfClosing = false;
|
||
|
|
if (context.source.length === 0) {
|
||
|
|
emitError(context, 9 /* EOF_IN_TAG */);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
isSelfClosing = startsWith(context.source, '/>');
|
||
|
|
if (type === 1 /* End */ && isSelfClosing) {
|
||
|
|
emitError(context, 4 /* END_TAG_WITH_TRAILING_SOLIDUS */);
|
||
|
|
}
|
||
|
|
advanceBy(context, isSelfClosing ? 2 : 1);
|
||
|
|
}
|
||
|
|
if (type === 1 /* End */) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// 2.x deprecation checks
|
||
|
|
if (isCompatEnabled("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context)) {
|
||
|
|
let hasIf = false;
|
||
|
|
let hasFor = false;
|
||
|
|
for (let i = 0; i < props.length; i++) {
|
||
|
|
const p = props[i];
|
||
|
|
if (p.type === 7 /* DIRECTIVE */) {
|
||
|
|
if (p.name === 'if') {
|
||
|
|
hasIf = true;
|
||
|
|
}
|
||
|
|
else if (p.name === 'for') {
|
||
|
|
hasFor = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (hasIf && hasFor) {
|
||
|
|
warnDeprecation("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context, getSelection(context, start));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let tagType = 0 /* ELEMENT */;
|
||
|
|
if (!context.inVPre) {
|
||
|
|
if (tag === 'slot') {
|
||
|
|
tagType = 2 /* SLOT */;
|
||
|
|
}
|
||
|
|
else if (tag === 'template') {
|
||
|
|
if (props.some(p => p.type === 7 /* DIRECTIVE */ && isSpecialTemplateDirective(p.name))) {
|
||
|
|
tagType = 3 /* TEMPLATE */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (isComponent(tag, props, context)) {
|
||
|
|
tagType = 1 /* COMPONENT */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 1 /* ELEMENT */,
|
||
|
|
ns,
|
||
|
|
tag,
|
||
|
|
tagType,
|
||
|
|
props,
|
||
|
|
isSelfClosing,
|
||
|
|
children: [],
|
||
|
|
loc: getSelection(context, start),
|
||
|
|
codegenNode: undefined // to be created during transform phase
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function isComponent(tag, props, context) {
|
||
|
|
const options = context.options;
|
||
|
|
if (options.isCustomElement(tag)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (tag === 'component' ||
|
||
|
|
/^[A-Z]/.test(tag) ||
|
||
|
|
isCoreComponent(tag) ||
|
||
|
|
(options.isBuiltInComponent && options.isBuiltInComponent(tag)) ||
|
||
|
|
(options.isNativeTag && !options.isNativeTag(tag))) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// at this point the tag should be a native tag, but check for potential "is"
|
||
|
|
// casting
|
||
|
|
for (let i = 0; i < props.length; i++) {
|
||
|
|
const p = props[i];
|
||
|
|
if (p.type === 6 /* ATTRIBUTE */) {
|
||
|
|
if (p.name === 'is' && p.value) {
|
||
|
|
if (p.value.content.startsWith('vue:')) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else if (checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// directive
|
||
|
|
// v-is (TODO Deprecate)
|
||
|
|
if (p.name === 'is') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else if (
|
||
|
|
// :is on plain element - only treat as component in compat mode
|
||
|
|
p.name === 'bind' &&
|
||
|
|
isStaticArgOf(p.arg, 'is') &&
|
||
|
|
true &&
|
||
|
|
checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function parseAttributes(context, type) {
|
||
|
|
const props = [];
|
||
|
|
const attributeNames = new Set();
|
||
|
|
while (context.source.length > 0 &&
|
||
|
|
!startsWith(context.source, '>') &&
|
||
|
|
!startsWith(context.source, '/>')) {
|
||
|
|
if (startsWith(context.source, '/')) {
|
||
|
|
emitError(context, 22 /* UNEXPECTED_SOLIDUS_IN_TAG */);
|
||
|
|
advanceBy(context, 1);
|
||
|
|
advanceSpaces(context);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (type === 1 /* End */) {
|
||
|
|
emitError(context, 3 /* END_TAG_WITH_ATTRIBUTES */);
|
||
|
|
}
|
||
|
|
const attr = parseAttribute(context, attributeNames);
|
||
|
|
// Trim whitespace between class
|
||
|
|
// https://github.com/vuejs/core/issues/4251
|
||
|
|
if (attr.type === 6 /* ATTRIBUTE */ &&
|
||
|
|
attr.value &&
|
||
|
|
attr.name === 'class') {
|
||
|
|
attr.value.content = attr.value.content.replace(/\s+/g, ' ').trim();
|
||
|
|
}
|
||
|
|
if (type === 0 /* Start */) {
|
||
|
|
props.push(attr);
|
||
|
|
}
|
||
|
|
if (/^[^\t\r\n\f />]/.test(context.source)) {
|
||
|
|
emitError(context, 15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */);
|
||
|
|
}
|
||
|
|
advanceSpaces(context);
|
||
|
|
}
|
||
|
|
return props;
|
||
|
|
}
|
||
|
|
function parseAttribute(context, nameSet) {
|
||
|
|
// Name.
|
||
|
|
const start = getCursor(context);
|
||
|
|
const match = /^[^\t\r\n\f />][^\t\r\n\f />=]*/.exec(context.source);
|
||
|
|
const name = match[0];
|
||
|
|
if (nameSet.has(name)) {
|
||
|
|
emitError(context, 2 /* DUPLICATE_ATTRIBUTE */);
|
||
|
|
}
|
||
|
|
nameSet.add(name);
|
||
|
|
if (name[0] === '=') {
|
||
|
|
emitError(context, 19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */);
|
||
|
|
}
|
||
|
|
{
|
||
|
|
const pattern = /["'<]/g;
|
||
|
|
let m;
|
||
|
|
while ((m = pattern.exec(name))) {
|
||
|
|
emitError(context, 17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */, m.index);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
advanceBy(context, name.length);
|
||
|
|
// Value
|
||
|
|
let value = undefined;
|
||
|
|
if (/^[\t\r\n\f ]*=/.test(context.source)) {
|
||
|
|
advanceSpaces(context);
|
||
|
|
advanceBy(context, 1);
|
||
|
|
advanceSpaces(context);
|
||
|
|
value = parseAttributeValue(context);
|
||
|
|
if (!value) {
|
||
|
|
emitError(context, 13 /* MISSING_ATTRIBUTE_VALUE */);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const loc = getSelection(context, start);
|
||
|
|
if (!context.inVPre && /^(v-[A-Za-z0-9-]|:|\.|@|#)/.test(name)) {
|
||
|
|
const match = /(?:^v-([a-z0-9-]+))?(?:(?::|^\.|^@|^#)(\[[^\]]+\]|[^\.]+))?(.+)?$/i.exec(name);
|
||
|
|
let isPropShorthand = startsWith(name, '.');
|
||
|
|
let dirName = match[1] ||
|
||
|
|
(isPropShorthand || startsWith(name, ':')
|
||
|
|
? 'bind'
|
||
|
|
: startsWith(name, '@')
|
||
|
|
? 'on'
|
||
|
|
: 'slot');
|
||
|
|
let arg;
|
||
|
|
if (match[2]) {
|
||
|
|
const isSlot = dirName === 'slot';
|
||
|
|
const startOffset = name.lastIndexOf(match[2]);
|
||
|
|
const loc = getSelection(context, getNewPosition(context, start, startOffset), getNewPosition(context, start, startOffset + match[2].length + ((isSlot && match[3]) || '').length));
|
||
|
|
let content = match[2];
|
||
|
|
let isStatic = true;
|
||
|
|
if (content.startsWith('[')) {
|
||
|
|
isStatic = false;
|
||
|
|
if (!content.endsWith(']')) {
|
||
|
|
emitError(context, 27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */);
|
||
|
|
content = content.slice(1);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
content = content.slice(1, content.length - 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (isSlot) {
|
||
|
|
// #1241 special case for v-slot: vuetify relies extensively on slot
|
||
|
|
// names containing dots. v-slot doesn't have any modifiers and Vue 2.x
|
||
|
|
// supports such usage so we are keeping it consistent with 2.x.
|
||
|
|
content += match[3] || '';
|
||
|
|
}
|
||
|
|
arg = {
|
||
|
|
type: 4 /* SIMPLE_EXPRESSION */,
|
||
|
|
content,
|
||
|
|
isStatic,
|
||
|
|
constType: isStatic
|
||
|
|
? 3 /* CAN_STRINGIFY */
|
||
|
|
: 0 /* NOT_CONSTANT */,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
if (value && value.isQuoted) {
|
||
|
|
const valueLoc = value.loc;
|
||
|
|
valueLoc.start.offset++;
|
||
|
|
valueLoc.start.column++;
|
||
|
|
valueLoc.end = advancePositionWithClone(valueLoc.start, value.content);
|
||
|
|
valueLoc.source = valueLoc.source.slice(1, -1);
|
||
|
|
}
|
||
|
|
const modifiers = match[3] ? match[3].slice(1).split('.') : [];
|
||
|
|
if (isPropShorthand)
|
||
|
|
modifiers.push('prop');
|
||
|
|
// 2.x compat v-bind:foo.sync -> v-model:foo
|
||
|
|
if (dirName === 'bind' && arg) {
|
||
|
|
if (modifiers.includes('sync') &&
|
||
|
|
checkCompatEnabled("COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */, context, loc, arg.loc.source)) {
|
||
|
|
dirName = 'model';
|
||
|
|
modifiers.splice(modifiers.indexOf('sync'), 1);
|
||
|
|
}
|
||
|
|
if (modifiers.includes('prop')) {
|
||
|
|
checkCompatEnabled("COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */, context, loc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 7 /* DIRECTIVE */,
|
||
|
|
name: dirName,
|
||
|
|
exp: value && {
|
||
|
|
type: 4 /* SIMPLE_EXPRESSION */,
|
||
|
|
content: value.content,
|
||
|
|
isStatic: false,
|
||
|
|
// Treat as non-constant by default. This can be potentially set to
|
||
|
|
// other values by `transformExpression` to make it eligible for hoisting.
|
||
|
|
constType: 0 /* NOT_CONSTANT */,
|
||
|
|
loc: value.loc
|
||
|
|
},
|
||
|
|
arg,
|
||
|
|
modifiers,
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
// missing directive name or illegal directive name
|
||
|
|
if (!context.inVPre && startsWith(name, 'v-')) {
|
||
|
|
emitError(context, 26 /* X_MISSING_DIRECTIVE_NAME */);
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: 6 /* ATTRIBUTE */,
|
||
|
|
name,
|
||
|
|
value: value && {
|
||
|
|
type: 2 /* TEXT */,
|
||
|
|
content: value.content,
|
||
|
|
loc: value.loc
|
||
|
|
},
|
||
|
|
loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function parseAttributeValue(context) {
|
||
|
|
const start = getCursor(context);
|
||
|
|
let content;
|
||
|
|
const quote = context.source[0];
|
||
|
|
const isQuoted = quote === `"` || quote === `'`;
|
||
|
|
if (isQuoted) {
|
||
|
|
// Quoted value.
|
||
|
|
advanceBy(context, 1);
|
||
|
|
const endIndex = context.source.indexOf(quote);
|
||
|
|
if (endIndex === -1) {
|
||
|
|
content = parseTextData(context, context.source.length, 4 /* ATTRIBUTE_VALUE */);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
content = parseTextData(context, endIndex, 4 /* ATTRIBUTE_VALUE */);
|
||
|
|
advanceBy(context, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Unquoted
|
||
|
|
const match = /^[^\t\r\n\f >]+/.exec(context.source);
|
||
|
|
if (!match) {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
const unexpectedChars = /["'<=`]/g;
|
||
|
|
let m;
|
||
|
|
while ((m = unexpectedChars.exec(match[0]))) {
|
||
|
|
emitError(context, 18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */, m.index);
|
||
|
|
}
|
||
|
|
content = parseTextData(context, match[0].length, 4 /* ATTRIBUTE_VALUE */);
|
||
|
|
}
|
||
|
|
return { content, isQuoted, loc: getSelection(context, start) };
|
||
|
|
}
|
||
|
|
function parseInterpolation(context, mode) {
|
||
|
|
const [open, close] = context.options.delimiters;
|
||
|
|
const closeIndex = context.source.indexOf(close, open.length);
|
||
|
|
if (closeIndex === -1) {
|
||
|
|
emitError(context, 25 /* X_MISSING_INTERPOLATION_END */);
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
const start = getCursor(context);
|
||
|
|
advanceBy(context, open.length);
|
||
|
|
const innerStart = getCursor(context);
|
||
|
|
const innerEnd = getCursor(context);
|
||
|
|
const rawContentLength = closeIndex - open.length;
|
||
|
|
const rawContent = context.source.slice(0, rawContentLength);
|
||
|
|
const preTrimContent = parseTextData(context, rawContentLength, mode);
|
||
|
|
const content = preTrimContent.trim();
|
||
|
|
const startOffset = preTrimContent.indexOf(content);
|
||
|
|
if (startOffset > 0) {
|
||
|
|
advancePositionWithMutation(innerStart, rawContent, startOffset);
|
||
|
|
}
|
||
|
|
const endOffset = rawContentLength - (preTrimContent.length - content.length - startOffset);
|
||
|
|
advancePositionWithMutation(innerEnd, rawContent, endOffset);
|
||
|
|
advanceBy(context, close.length);
|
||
|
|
return {
|
||
|
|
type: 5 /* INTERPOLATION */,
|
||
|
|
content: {
|
||
|
|
type: 4 /* SIMPLE_EXPRESSION */,
|
||
|
|
isStatic: false,
|
||
|
|
// Set `isConstant` to false by default and will decide in transformExpression
|
||
|
|
constType: 0 /* NOT_CONSTANT */,
|
||
|
|
content,
|
||
|
|
loc: getSelection(context, innerStart, innerEnd)
|
||
|
|
},
|
||
|
|
loc: getSelection(context, start)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function parseText(context, mode) {
|
||
|
|
const endTokens = mode === 3 /* CDATA */ ? [']]>'] : ['<', context.options.delimiters[0]];
|
||
|
|
let endIndex = context.source.length;
|
||
|
|
for (let i = 0; i < endTokens.length; i++) {
|
||
|
|
const index = context.source.indexOf(endTokens[i], 1);
|
||
|
|
if (index !== -1 && endIndex > index) {
|
||
|
|
endIndex = index;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const start = getCursor(context);
|
||
|
|
const content = parseTextData(context, endIndex, mode);
|
||
|
|
return {
|
||
|
|
type: 2 /* TEXT */,
|
||
|
|
content,
|
||
|
|
loc: getSelection(context, start)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Get text data with a given length from the current location.
|
||
|
|
* This translates HTML entities in the text data.
|
||
|
|
*/
|
||
|
|
function parseTextData(context, length, mode) {
|
||
|
|
const rawText = context.source.slice(0, length);
|
||
|
|
advanceBy(context, length);
|
||
|
|
if (mode === 2 /* RAWTEXT */ ||
|
||
|
|
mode === 3 /* CDATA */ ||
|
||
|
|
!rawText.includes('&')) {
|
||
|
|
return rawText;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// DATA or RCDATA containing "&"". Entity decoding required.
|
||
|
|
return context.options.decodeEntities(rawText, mode === 4 /* ATTRIBUTE_VALUE */);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getCursor(context) {
|
||
|
|
const { column, line, offset } = context;
|
||
|
|
return { column, line, offset };
|
||
|
|
}
|
||
|
|
function getSelection(context, start, end) {
|
||
|
|
end = end || getCursor(context);
|
||
|
|
return {
|
||
|
|
start,
|
||
|
|
end,
|
||
|
|
source: context.originalSource.slice(start.offset, end.offset)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function last(xs) {
|
||
|
|
return xs[xs.length - 1];
|
||
|
|
}
|
||
|
|
function startsWith(source, searchString) {
|
||
|
|
return source.startsWith(searchString);
|
||
|
|
}
|
||
|
|
function advanceBy(context, numberOfCharacters) {
|
||
|
|
const { source } = context;
|
||
|
|
advancePositionWithMutation(context, source, numberOfCharacters);
|
||
|
|
context.source = source.slice(numberOfCharacters);
|
||
|
|
}
|
||
|
|
function advanceSpaces(context) {
|
||
|
|
const match = /^[\t\r\n\f ]+/.exec(context.source);
|
||
|
|
if (match) {
|
||
|
|
advanceBy(context, match[0].length);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getNewPosition(context, start, numberOfCharacters) {
|
||
|
|
return advancePositionWithClone(start, context.originalSource.slice(start.offset, numberOfCharacters), numberOfCharacters);
|
||
|
|
}
|
||
|
|
function emitError(context, code, offset, loc = getCursor(context)) {
|
||
|
|
if (offset) {
|
||
|
|
loc.offset += offset;
|
||
|
|
loc.column += offset;
|
||
|
|
}
|
||
|
|
context.options.onError(createCompilerError(code, {
|
||
|
|
start: loc,
|
||
|
|
end: loc,
|
||
|
|
source: ''
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
function isEnd(context, mode, ancestors) {
|
||
|
|
const s = context.source;
|
||
|
|
switch (mode) {
|
||
|
|
case 0 /* DATA */:
|
||
|
|
if (startsWith(s, '</')) {
|
||
|
|
// TODO: probably bad performance
|
||
|
|
for (let i = ancestors.length - 1; i >= 0; --i) {
|
||
|
|
if (startsWithEndTagOpen(s, ancestors[i].tag)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 1 /* RCDATA */:
|
||
|
|
case 2 /* RAWTEXT */: {
|
||
|
|
const parent = last(ancestors);
|
||
|
|
if (parent && startsWithEndTagOpen(s, parent.tag)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 3 /* CDATA */:
|
||
|
|
if (startsWith(s, ']]>')) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return !s;
|
||
|
|
}
|
||
|
|
function startsWithEndTagOpen(source, tag) {
|
||
|
|
return (startsWith(source, '</') &&
|
||
|
|
source.slice(2, 2 + tag.length).toLowerCase() === tag.toLowerCase() &&
|
||
|
|
/[\t\r\n\f />]/.test(source[2 + tag.length] || '>'));
|
||
|
|
}
|
||
|
|
|
||
|
|
function hoistStatic(root, context) {
|
||
|
|
walk(root, context,
|
||
|
|
// Root node is unfortunately non-hoistable due to potential parent
|
||
|
|
// fallthrough attributes.
|
||
|
|
isSingleElementRoot(root, root.children[0]));
|
||
|
|
}
|
||
|
|
function isSingleElementRoot(root, child) {
|
||
|
|
const { children } = root;
|
||
|
|
return (children.length === 1 &&
|
||
|
|
child.type === 1 /* ELEMENT */ &&
|
||
|
|
!isSlotOutlet(child));
|
||
|
|
}
|
||
|
|
function walk(node, context, doNotHoistNode = false) {
|
||
|
|
const { children } = node;
|
||
|
|
const originalCount = children.length;
|
||
|
|
let hoistedCount = 0;
|
||
|
|
for (let i = 0; i < children.length; i++) {
|
||
|
|
const child = children[i];
|
||
|
|
// only plain elements & text calls are eligible for hoisting.
|
||
|
|
if (child.type === 1 /* ELEMENT */ &&
|
||
|
|
child.tagType === 0 /* ELEMENT */) {
|
||
|
|
const constantType = doNotHoistNode
|
||
|
|
? 0 /* NOT_CONSTANT */
|
||
|
|
: getConstantType(child, context);
|
||
|
|
if (constantType > 0 /* NOT_CONSTANT */) {
|
||
|
|
if (constantType >= 2 /* CAN_HOIST */) {
|
||
|
|
child.codegenNode.patchFlag =
|
||
|
|
-1 /* HOISTED */ + (` /* HOISTED */` );
|
||
|
|
child.codegenNode = context.hoist(child.codegenNode);
|
||
|
|
hoistedCount++;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// node may contain dynamic children, but its props may be eligible for
|
||
|
|
// hoisting.
|
||
|
|
const codegenNode = child.codegenNode;
|
||
|
|
if (codegenNode.type === 13 /* VNODE_CALL */) {
|
||
|
|
const flag = getPatchFlag(codegenNode);
|
||
|
|
if ((!flag ||
|
||
|
|
flag === 512 /* NEED_PATCH */ ||
|
||
|
|
flag === 1 /* TEXT */) &&
|
||
|
|
getGeneratedPropsConstantType(child, context) >=
|
||
|
|
2 /* CAN_HOIST */) {
|
||
|
|
const props = getNodeProps(child);
|
||
|
|
if (props) {
|
||
|
|
codegenNode.props = context.hoist(props);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (codegenNode.dynamicProps) {
|
||
|
|
codegenNode.dynamicProps = context.hoist(codegenNode.dynamicProps);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (child.type === 12 /* TEXT_CALL */ &&
|
||
|
|
getConstantType(child.content, context) >= 2 /* CAN_HOIST */) {
|
||
|
|
child.codegenNode = context.hoist(child.codegenNode);
|
||
|
|
hoistedCount++;
|
||
|
|
}
|
||
|
|
// walk further
|
||
|
|
if (child.type === 1 /* ELEMENT */) {
|
||
|
|
const isComponent = child.tagType === 1 /* COMPONENT */;
|
||
|
|
if (isComponent) {
|
||
|
|
context.scopes.vSlot++;
|
||
|
|
}
|
||
|
|
walk(child, context);
|
||
|
|
if (isComponent) {
|
||
|
|
context.scopes.vSlot--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (child.type === 11 /* FOR */) {
|
||
|
|
// Do not hoist v-for single child because it has to be a block
|
||
|
|
walk(child, context, child.children.length === 1);
|
||
|
|
}
|
||
|
|
else if (child.type === 9 /* IF */) {
|
||
|
|
for (let i = 0; i < child.branches.length; i++) {
|
||
|
|
// Do not hoist v-if single child because it has to be a block
|
||
|
|
walk(child.branches[i], context, child.branches[i].children.length === 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (hoistedCount && context.transformHoist) {
|
||
|
|
context.transformHoist(children, context, node);
|
||
|
|
}
|
||
|
|
// all children were hoisted - the entire children array is hoistable.
|
||
|
|
if (hoistedCount &&
|
||
|
|
hoistedCount === originalCount &&
|
||
|
|
node.type === 1 /* ELEMENT */ &&
|
||
|
|
node.tagType === 0 /* ELEMENT */ &&
|
||
|
|
node.codegenNode &&
|
||
|
|
node.codegenNode.type === 13 /* VNODE_CALL */ &&
|
||
|
|
isArray(node.codegenNode.children)) {
|
||
|
|
node.codegenNode.children = context.hoist(createArrayExpression(node.codegenNode.children));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getConstantType(node, context) {
|
||
|
|
const { constantCache } = context;
|
||
|
|
switch (node.type) {
|
||
|
|
case 1 /* ELEMENT */:
|
||
|
|
if (node.tagType !== 0 /* ELEMENT */) {
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
const cached = constantCache.get(node);
|
||
|
|
if (cached !== undefined) {
|
||
|
|
return cached;
|
||
|
|
}
|
||
|
|
const codegenNode = node.codegenNode;
|
||
|
|
if (codegenNode.type !== 13 /* VNODE_CALL */) {
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
if (codegenNode.isBlock &&
|
||
|
|
node.tag !== 'svg' &&
|
||
|
|
node.tag !== 'foreignObject') {
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
const flag = getPatchFlag(codegenNode);
|
||
|
|
if (!flag) {
|
||
|
|
let returnType = 3 /* CAN_STRINGIFY */;
|
||
|
|
// Element itself has no patch flag. However we still need to check:
|
||
|
|
// 1. Even for a node with no patch flag, it is possible for it to contain
|
||
|
|
// non-hoistable expressions that refers to scope variables, e.g. compiler
|
||
|
|
// injected keys or cached event handlers. Therefore we need to always
|
||
|
|
// check the codegenNode's props to be sure.
|
||
|
|
const generatedPropsType = getGeneratedPropsConstantType(node, context);
|
||
|
|
if (generatedPropsType === 0 /* NOT_CONSTANT */) {
|
||
|
|
constantCache.set(node, 0 /* NOT_CONSTANT */);
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
if (generatedPropsType < returnType) {
|
||
|
|
returnType = generatedPropsType;
|
||
|
|
}
|
||
|
|
// 2. its children.
|
||
|
|
for (let i = 0; i < node.children.length; i++) {
|
||
|
|
const childType = getConstantType(node.children[i], context);
|
||
|
|
if (childType === 0 /* NOT_CONSTANT */) {
|
||
|
|
constantCache.set(node, 0 /* NOT_CONSTANT */);
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
if (childType < returnType) {
|
||
|
|
returnType = childType;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// 3. if the type is not already CAN_SKIP_PATCH which is the lowest non-0
|
||
|
|
// type, check if any of the props can cause the type to be lowered
|
||
|
|
// we can skip can_patch because it's guaranteed by the absence of a
|
||
|
|
// patchFlag.
|
||
|
|
if (returnType > 1 /* CAN_SKIP_PATCH */) {
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 7 /* DIRECTIVE */ && p.name === 'bind' && p.exp) {
|
||
|
|
const expType = getConstantType(p.exp, context);
|
||
|
|
if (expType === 0 /* NOT_CONSTANT */) {
|
||
|
|
constantCache.set(node, 0 /* NOT_CONSTANT */);
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
if (expType < returnType) {
|
||
|
|
returnType = expType;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// only svg/foreignObject could be block here, however if they are
|
||
|
|
// static then they don't need to be blocks since there will be no
|
||
|
|
// nested updates.
|
||
|
|
if (codegenNode.isBlock) {
|
||
|
|
// except set custom directives.
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 7 /* DIRECTIVE */) {
|
||
|
|
constantCache.set(node, 0 /* NOT_CONSTANT */);
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
context.removeHelper(OPEN_BLOCK);
|
||
|
|
context.removeHelper(getVNodeBlockHelper(context.inSSR, codegenNode.isComponent));
|
||
|
|
codegenNode.isBlock = false;
|
||
|
|
context.helper(getVNodeHelper(context.inSSR, codegenNode.isComponent));
|
||
|
|
}
|
||
|
|
constantCache.set(node, returnType);
|
||
|
|
return returnType;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
constantCache.set(node, 0 /* NOT_CONSTANT */);
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
case 2 /* TEXT */:
|
||
|
|
case 3 /* COMMENT */:
|
||
|
|
return 3 /* CAN_STRINGIFY */;
|
||
|
|
case 9 /* IF */:
|
||
|
|
case 11 /* FOR */:
|
||
|
|
case 10 /* IF_BRANCH */:
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
case 5 /* INTERPOLATION */:
|
||
|
|
case 12 /* TEXT_CALL */:
|
||
|
|
return getConstantType(node.content, context);
|
||
|
|
case 4 /* SIMPLE_EXPRESSION */:
|
||
|
|
return node.constType;
|
||
|
|
case 8 /* COMPOUND_EXPRESSION */:
|
||
|
|
let returnType = 3 /* CAN_STRINGIFY */;
|
||
|
|
for (let i = 0; i < node.children.length; i++) {
|
||
|
|
const child = node.children[i];
|
||
|
|
if (isString(child) || isSymbol(child)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const childType = getConstantType(child, context);
|
||
|
|
if (childType === 0 /* NOT_CONSTANT */) {
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
else if (childType < returnType) {
|
||
|
|
returnType = childType;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return returnType;
|
||
|
|
default:
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const allowHoistedHelperSet = new Set([
|
||
|
|
NORMALIZE_CLASS,
|
||
|
|
NORMALIZE_STYLE,
|
||
|
|
NORMALIZE_PROPS,
|
||
|
|
GUARD_REACTIVE_PROPS
|
||
|
|
]);
|
||
|
|
function getConstantTypeOfHelperCall(value, context) {
|
||
|
|
if (value.type === 14 /* JS_CALL_EXPRESSION */ &&
|
||
|
|
!isString(value.callee) &&
|
||
|
|
allowHoistedHelperSet.has(value.callee)) {
|
||
|
|
const arg = value.arguments[0];
|
||
|
|
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
return getConstantType(arg, context);
|
||
|
|
}
|
||
|
|
else if (arg.type === 14 /* JS_CALL_EXPRESSION */) {
|
||
|
|
// in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(exp))`
|
||
|
|
return getConstantTypeOfHelperCall(arg, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
function getGeneratedPropsConstantType(node, context) {
|
||
|
|
let returnType = 3 /* CAN_STRINGIFY */;
|
||
|
|
const props = getNodeProps(node);
|
||
|
|
if (props && props.type === 15 /* JS_OBJECT_EXPRESSION */) {
|
||
|
|
const { properties } = props;
|
||
|
|
for (let i = 0; i < properties.length; i++) {
|
||
|
|
const { key, value } = properties[i];
|
||
|
|
const keyType = getConstantType(key, context);
|
||
|
|
if (keyType === 0 /* NOT_CONSTANT */) {
|
||
|
|
return keyType;
|
||
|
|
}
|
||
|
|
if (keyType < returnType) {
|
||
|
|
returnType = keyType;
|
||
|
|
}
|
||
|
|
let valueType;
|
||
|
|
if (value.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
valueType = getConstantType(value, context);
|
||
|
|
}
|
||
|
|
else if (value.type === 14 /* JS_CALL_EXPRESSION */) {
|
||
|
|
// some helper calls can be hoisted,
|
||
|
|
// such as the `normalizeProps` generated by the compiler for pre-normalize class,
|
||
|
|
// in this case we need to respect the ConstantType of the helper's arguments
|
||
|
|
valueType = getConstantTypeOfHelperCall(value, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
valueType = 0 /* NOT_CONSTANT */;
|
||
|
|
}
|
||
|
|
if (valueType === 0 /* NOT_CONSTANT */) {
|
||
|
|
return valueType;
|
||
|
|
}
|
||
|
|
if (valueType < returnType) {
|
||
|
|
returnType = valueType;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return returnType;
|
||
|
|
}
|
||
|
|
function getNodeProps(node) {
|
||
|
|
const codegenNode = node.codegenNode;
|
||
|
|
if (codegenNode.type === 13 /* VNODE_CALL */) {
|
||
|
|
return codegenNode.props;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getPatchFlag(node) {
|
||
|
|
const flag = node.patchFlag;
|
||
|
|
return flag ? parseInt(flag, 10) : undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
function createTransformContext(root, { filename = '', prefixIdentifiers = false, hoistStatic = false, cacheHandlers = false, nodeTransforms = [], directiveTransforms = {}, transformHoist = null, isBuiltInComponent = NOOP, isCustomElement = NOOP, expressionPlugins = [], scopeId = null, slotted = true, ssr = false, inSSR = false, ssrCssVars = ``, bindingMetadata = EMPTY_OBJ, inline = false, isTS = false, onError = defaultOnError, onWarn = defaultOnWarn, compatConfig }) {
|
||
|
|
const nameMatch = filename.replace(/\?.*$/, '').match(/([^/\\]+)\.\w+$/);
|
||
|
|
const context = {
|
||
|
|
// options
|
||
|
|
selfName: nameMatch && capitalize(camelize(nameMatch[1])),
|
||
|
|
prefixIdentifiers,
|
||
|
|
hoistStatic,
|
||
|
|
cacheHandlers,
|
||
|
|
nodeTransforms,
|
||
|
|
directiveTransforms,
|
||
|
|
transformHoist,
|
||
|
|
isBuiltInComponent,
|
||
|
|
isCustomElement,
|
||
|
|
expressionPlugins,
|
||
|
|
scopeId,
|
||
|
|
slotted,
|
||
|
|
ssr,
|
||
|
|
inSSR,
|
||
|
|
ssrCssVars,
|
||
|
|
bindingMetadata,
|
||
|
|
inline,
|
||
|
|
isTS,
|
||
|
|
onError,
|
||
|
|
onWarn,
|
||
|
|
compatConfig,
|
||
|
|
// state
|
||
|
|
root,
|
||
|
|
helpers: new Map(),
|
||
|
|
components: new Set(),
|
||
|
|
directives: new Set(),
|
||
|
|
hoists: [],
|
||
|
|
imports: [],
|
||
|
|
constantCache: new Map(),
|
||
|
|
temps: 0,
|
||
|
|
cached: 0,
|
||
|
|
identifiers: Object.create(null),
|
||
|
|
scopes: {
|
||
|
|
vFor: 0,
|
||
|
|
vSlot: 0,
|
||
|
|
vPre: 0,
|
||
|
|
vOnce: 0
|
||
|
|
},
|
||
|
|
parent: null,
|
||
|
|
currentNode: root,
|
||
|
|
childIndex: 0,
|
||
|
|
inVOnce: false,
|
||
|
|
// methods
|
||
|
|
helper(name) {
|
||
|
|
const count = context.helpers.get(name) || 0;
|
||
|
|
context.helpers.set(name, count + 1);
|
||
|
|
return name;
|
||
|
|
},
|
||
|
|
removeHelper(name) {
|
||
|
|
const count = context.helpers.get(name);
|
||
|
|
if (count) {
|
||
|
|
const currentCount = count - 1;
|
||
|
|
if (!currentCount) {
|
||
|
|
context.helpers.delete(name);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.helpers.set(name, currentCount);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
helperString(name) {
|
||
|
|
return `_${helperNameMap[context.helper(name)]}`;
|
||
|
|
},
|
||
|
|
replaceNode(node) {
|
||
|
|
/* istanbul ignore if */
|
||
|
|
{
|
||
|
|
if (!context.currentNode) {
|
||
|
|
throw new Error(`Node being replaced is already removed.`);
|
||
|
|
}
|
||
|
|
if (!context.parent) {
|
||
|
|
throw new Error(`Cannot replace root node.`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
context.parent.children[context.childIndex] = context.currentNode = node;
|
||
|
|
},
|
||
|
|
removeNode(node) {
|
||
|
|
if (!context.parent) {
|
||
|
|
throw new Error(`Cannot remove root node.`);
|
||
|
|
}
|
||
|
|
const list = context.parent.children;
|
||
|
|
const removalIndex = node
|
||
|
|
? list.indexOf(node)
|
||
|
|
: context.currentNode
|
||
|
|
? context.childIndex
|
||
|
|
: -1;
|
||
|
|
/* istanbul ignore if */
|
||
|
|
if (removalIndex < 0) {
|
||
|
|
throw new Error(`node being removed is not a child of current parent`);
|
||
|
|
}
|
||
|
|
if (!node || node === context.currentNode) {
|
||
|
|
// current node removed
|
||
|
|
context.currentNode = null;
|
||
|
|
context.onNodeRemoved();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// sibling node removed
|
||
|
|
if (context.childIndex > removalIndex) {
|
||
|
|
context.childIndex--;
|
||
|
|
context.onNodeRemoved();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
context.parent.children.splice(removalIndex, 1);
|
||
|
|
},
|
||
|
|
onNodeRemoved: () => { },
|
||
|
|
addIdentifiers(exp) {
|
||
|
|
},
|
||
|
|
removeIdentifiers(exp) {
|
||
|
|
},
|
||
|
|
hoist(exp) {
|
||
|
|
if (isString(exp))
|
||
|
|
exp = createSimpleExpression(exp);
|
||
|
|
context.hoists.push(exp);
|
||
|
|
const identifier = createSimpleExpression(`_hoisted_${context.hoists.length}`, false, exp.loc, 2 /* CAN_HOIST */);
|
||
|
|
identifier.hoisted = exp;
|
||
|
|
return identifier;
|
||
|
|
},
|
||
|
|
cache(exp, isVNode = false) {
|
||
|
|
return createCacheExpression(context.cached++, exp, isVNode);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
{
|
||
|
|
context.filters = new Set();
|
||
|
|
}
|
||
|
|
return context;
|
||
|
|
}
|
||
|
|
function transform(root, options) {
|
||
|
|
const context = createTransformContext(root, options);
|
||
|
|
traverseNode(root, context);
|
||
|
|
if (options.hoistStatic) {
|
||
|
|
hoistStatic(root, context);
|
||
|
|
}
|
||
|
|
if (!options.ssr) {
|
||
|
|
createRootCodegen(root, context);
|
||
|
|
}
|
||
|
|
// finalize meta information
|
||
|
|
root.helpers = [...context.helpers.keys()];
|
||
|
|
root.components = [...context.components];
|
||
|
|
root.directives = [...context.directives];
|
||
|
|
root.imports = context.imports;
|
||
|
|
root.hoists = context.hoists;
|
||
|
|
root.temps = context.temps;
|
||
|
|
root.cached = context.cached;
|
||
|
|
{
|
||
|
|
root.filters = [...context.filters];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createRootCodegen(root, context) {
|
||
|
|
const { helper } = context;
|
||
|
|
const { children } = root;
|
||
|
|
if (children.length === 1) {
|
||
|
|
const child = children[0];
|
||
|
|
// if the single child is an element, turn it into a block.
|
||
|
|
if (isSingleElementRoot(root, child) && child.codegenNode) {
|
||
|
|
// single element root is never hoisted so codegenNode will never be
|
||
|
|
// SimpleExpressionNode
|
||
|
|
const codegenNode = child.codegenNode;
|
||
|
|
if (codegenNode.type === 13 /* VNODE_CALL */) {
|
||
|
|
makeBlock(codegenNode, context);
|
||
|
|
}
|
||
|
|
root.codegenNode = codegenNode;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// - single <slot/>, IfNode, ForNode: already blocks.
|
||
|
|
// - single text node: always patched.
|
||
|
|
// root codegen falls through via genNode()
|
||
|
|
root.codegenNode = child;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (children.length > 1) {
|
||
|
|
// root has multiple nodes - return a fragment block.
|
||
|
|
let patchFlag = 64 /* STABLE_FRAGMENT */;
|
||
|
|
let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
|
||
|
|
// check if the fragment actually contains a single valid child with
|
||
|
|
// the rest being comments
|
||
|
|
if (children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
|
||
|
|
patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
|
||
|
|
patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
|
||
|
|
}
|
||
|
|
root.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, root.children, patchFlag + (` /* ${patchFlagText} */` ), undefined, undefined, true, undefined, false /* isComponent */);
|
||
|
|
}
|
||
|
|
else ;
|
||
|
|
}
|
||
|
|
function traverseChildren(parent, context) {
|
||
|
|
let i = 0;
|
||
|
|
const nodeRemoved = () => {
|
||
|
|
i--;
|
||
|
|
};
|
||
|
|
for (; i < parent.children.length; i++) {
|
||
|
|
const child = parent.children[i];
|
||
|
|
if (isString(child))
|
||
|
|
continue;
|
||
|
|
context.parent = parent;
|
||
|
|
context.childIndex = i;
|
||
|
|
context.onNodeRemoved = nodeRemoved;
|
||
|
|
traverseNode(child, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function traverseNode(node, context) {
|
||
|
|
context.currentNode = node;
|
||
|
|
// apply transform plugins
|
||
|
|
const { nodeTransforms } = context;
|
||
|
|
const exitFns = [];
|
||
|
|
for (let i = 0; i < nodeTransforms.length; i++) {
|
||
|
|
const onExit = nodeTransforms[i](node, context);
|
||
|
|
if (onExit) {
|
||
|
|
if (isArray(onExit)) {
|
||
|
|
exitFns.push(...onExit);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
exitFns.push(onExit);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!context.currentNode) {
|
||
|
|
// node was removed
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// node may have been replaced
|
||
|
|
node = context.currentNode;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
switch (node.type) {
|
||
|
|
case 3 /* COMMENT */:
|
||
|
|
if (!context.ssr) {
|
||
|
|
// inject import for the Comment symbol, which is needed for creating
|
||
|
|
// comment nodes with `createVNode`
|
||
|
|
context.helper(CREATE_COMMENT);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 5 /* INTERPOLATION */:
|
||
|
|
// no need to traverse, but we need to inject toString helper
|
||
|
|
if (!context.ssr) {
|
||
|
|
context.helper(TO_DISPLAY_STRING);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
// for container types, further traverse downwards
|
||
|
|
case 9 /* IF */:
|
||
|
|
for (let i = 0; i < node.branches.length; i++) {
|
||
|
|
traverseNode(node.branches[i], context);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 10 /* IF_BRANCH */:
|
||
|
|
case 11 /* FOR */:
|
||
|
|
case 1 /* ELEMENT */:
|
||
|
|
case 0 /* ROOT */:
|
||
|
|
traverseChildren(node, context);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// exit transforms
|
||
|
|
context.currentNode = node;
|
||
|
|
let i = exitFns.length;
|
||
|
|
while (i--) {
|
||
|
|
exitFns[i]();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createStructuralDirectiveTransform(name, fn) {
|
||
|
|
const matches = isString(name)
|
||
|
|
? (n) => n === name
|
||
|
|
: (n) => name.test(n);
|
||
|
|
return (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */) {
|
||
|
|
const { props } = node;
|
||
|
|
// structural directive transforms are not concerned with slots
|
||
|
|
// as they are handled separately in vSlot.ts
|
||
|
|
if (node.tagType === 3 /* TEMPLATE */ && props.some(isVSlot)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const exitFns = [];
|
||
|
|
for (let i = 0; i < props.length; i++) {
|
||
|
|
const prop = props[i];
|
||
|
|
if (prop.type === 7 /* DIRECTIVE */ && matches(prop.name)) {
|
||
|
|
// structural directives are removed to avoid infinite recursion
|
||
|
|
// also we remove them *before* applying so that it can further
|
||
|
|
// traverse itself in case it moves the node around
|
||
|
|
props.splice(i, 1);
|
||
|
|
i--;
|
||
|
|
const onExit = fn(node, prop, context);
|
||
|
|
if (onExit)
|
||
|
|
exitFns.push(onExit);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return exitFns;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
const PURE_ANNOTATION = `/*#__PURE__*/`;
|
||
|
|
const aliasHelper = (s) => `${helperNameMap[s]}: _${helperNameMap[s]}`;
|
||
|
|
function createCodegenContext(ast, { mode = 'function', prefixIdentifiers = mode === 'module', sourceMap = false, filename = `template.vue.html`, scopeId = null, optimizeImports = false, runtimeGlobalName = `Vue`, runtimeModuleName = `vue`, ssrRuntimeModuleName = 'vue/server-renderer', ssr = false, isTS = false, inSSR = false }) {
|
||
|
|
const context = {
|
||
|
|
mode,
|
||
|
|
prefixIdentifiers,
|
||
|
|
sourceMap,
|
||
|
|
filename,
|
||
|
|
scopeId,
|
||
|
|
optimizeImports,
|
||
|
|
runtimeGlobalName,
|
||
|
|
runtimeModuleName,
|
||
|
|
ssrRuntimeModuleName,
|
||
|
|
ssr,
|
||
|
|
isTS,
|
||
|
|
inSSR,
|
||
|
|
source: ast.loc.source,
|
||
|
|
code: ``,
|
||
|
|
column: 1,
|
||
|
|
line: 1,
|
||
|
|
offset: 0,
|
||
|
|
indentLevel: 0,
|
||
|
|
pure: false,
|
||
|
|
map: undefined,
|
||
|
|
helper(key) {
|
||
|
|
return `_${helperNameMap[key]}`;
|
||
|
|
},
|
||
|
|
push(code, node) {
|
||
|
|
context.code += code;
|
||
|
|
},
|
||
|
|
indent() {
|
||
|
|
newline(++context.indentLevel);
|
||
|
|
},
|
||
|
|
deindent(withoutNewLine = false) {
|
||
|
|
if (withoutNewLine) {
|
||
|
|
--context.indentLevel;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
newline(--context.indentLevel);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
newline() {
|
||
|
|
newline(context.indentLevel);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function newline(n) {
|
||
|
|
context.push('\n' + ` `.repeat(n));
|
||
|
|
}
|
||
|
|
return context;
|
||
|
|
}
|
||
|
|
function generate(ast, options = {}) {
|
||
|
|
const context = createCodegenContext(ast, options);
|
||
|
|
if (options.onContextCreated)
|
||
|
|
options.onContextCreated(context);
|
||
|
|
const { mode, push, prefixIdentifiers, indent, deindent, newline, scopeId, ssr } = context;
|
||
|
|
const hasHelpers = ast.helpers.length > 0;
|
||
|
|
const useWithBlock = !prefixIdentifiers && mode !== 'module';
|
||
|
|
// preambles
|
||
|
|
// in setup() inline mode, the preamble is generated in a sub context
|
||
|
|
// and returned separately.
|
||
|
|
const preambleContext = context;
|
||
|
|
{
|
||
|
|
genFunctionPreamble(ast, preambleContext);
|
||
|
|
}
|
||
|
|
// enter render function
|
||
|
|
const functionName = ssr ? `ssrRender` : `render`;
|
||
|
|
const args = ssr ? ['_ctx', '_push', '_parent', '_attrs'] : ['_ctx', '_cache'];
|
||
|
|
const signature = args.join(', ');
|
||
|
|
{
|
||
|
|
push(`function ${functionName}(${signature}) {`);
|
||
|
|
}
|
||
|
|
indent();
|
||
|
|
if (useWithBlock) {
|
||
|
|
push(`with (_ctx) {`);
|
||
|
|
indent();
|
||
|
|
// function mode const declarations should be inside with block
|
||
|
|
// also they should be renamed to avoid collision with user properties
|
||
|
|
if (hasHelpers) {
|
||
|
|
push(`const { ${ast.helpers.map(aliasHelper).join(', ')} } = _Vue`);
|
||
|
|
push(`\n`);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// generate asset resolution statements
|
||
|
|
if (ast.components.length) {
|
||
|
|
genAssets(ast.components, 'component', context);
|
||
|
|
if (ast.directives.length || ast.temps > 0) {
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ast.directives.length) {
|
||
|
|
genAssets(ast.directives, 'directive', context);
|
||
|
|
if (ast.temps > 0) {
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ast.filters && ast.filters.length) {
|
||
|
|
newline();
|
||
|
|
genAssets(ast.filters, 'filter', context);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
if (ast.temps > 0) {
|
||
|
|
push(`let `);
|
||
|
|
for (let i = 0; i < ast.temps; i++) {
|
||
|
|
push(`${i > 0 ? `, ` : ``}_temp${i}`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ast.components.length || ast.directives.length || ast.temps) {
|
||
|
|
push(`\n`);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
// generate the VNode tree expression
|
||
|
|
if (!ssr) {
|
||
|
|
push(`return `);
|
||
|
|
}
|
||
|
|
if (ast.codegenNode) {
|
||
|
|
genNode(ast.codegenNode, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
push(`null`);
|
||
|
|
}
|
||
|
|
if (useWithBlock) {
|
||
|
|
deindent();
|
||
|
|
push(`}`);
|
||
|
|
}
|
||
|
|
deindent();
|
||
|
|
push(`}`);
|
||
|
|
return {
|
||
|
|
ast,
|
||
|
|
code: context.code,
|
||
|
|
preamble: ``,
|
||
|
|
// SourceMapGenerator does have toJSON() method but it's not in the types
|
||
|
|
map: context.map ? context.map.toJSON() : undefined
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function genFunctionPreamble(ast, context) {
|
||
|
|
const { ssr, prefixIdentifiers, push, newline, runtimeModuleName, runtimeGlobalName, ssrRuntimeModuleName } = context;
|
||
|
|
const VueBinding = runtimeGlobalName;
|
||
|
|
// Generate const declaration for helpers
|
||
|
|
// In prefix mode, we place the const declaration at top so it's done
|
||
|
|
// only once; But if we not prefixing, we place the declaration inside the
|
||
|
|
// with block so it doesn't incur the `in` check cost for every helper access.
|
||
|
|
if (ast.helpers.length > 0) {
|
||
|
|
{
|
||
|
|
// "with" mode.
|
||
|
|
// save Vue in a separate variable to avoid collision
|
||
|
|
push(`const _Vue = ${VueBinding}\n`);
|
||
|
|
// in "with" mode, helpers are declared inside the with block to avoid
|
||
|
|
// has check cost, but hoists are lifted out of the function - we need
|
||
|
|
// to provide the helper here.
|
||
|
|
if (ast.hoists.length) {
|
||
|
|
const staticHelpers = [
|
||
|
|
CREATE_VNODE,
|
||
|
|
CREATE_ELEMENT_VNODE,
|
||
|
|
CREATE_COMMENT,
|
||
|
|
CREATE_TEXT,
|
||
|
|
CREATE_STATIC
|
||
|
|
]
|
||
|
|
.filter(helper => ast.helpers.includes(helper))
|
||
|
|
.map(aliasHelper)
|
||
|
|
.join(', ');
|
||
|
|
push(`const { ${staticHelpers} } = _Vue\n`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
genHoists(ast.hoists, context);
|
||
|
|
newline();
|
||
|
|
push(`return `);
|
||
|
|
}
|
||
|
|
function genAssets(assets, type, { helper, push, newline, isTS }) {
|
||
|
|
const resolver = helper(type === 'filter'
|
||
|
|
? RESOLVE_FILTER
|
||
|
|
: type === 'component'
|
||
|
|
? RESOLVE_COMPONENT
|
||
|
|
: RESOLVE_DIRECTIVE);
|
||
|
|
for (let i = 0; i < assets.length; i++) {
|
||
|
|
let id = assets[i];
|
||
|
|
// potential component implicit self-reference inferred from SFC filename
|
||
|
|
const maybeSelfReference = id.endsWith('__self');
|
||
|
|
if (maybeSelfReference) {
|
||
|
|
id = id.slice(0, -6);
|
||
|
|
}
|
||
|
|
push(`const ${toValidAssetId(id, type)} = ${resolver}(${JSON.stringify(id)}${maybeSelfReference ? `, true` : ``})${isTS ? `!` : ``}`);
|
||
|
|
if (i < assets.length - 1) {
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genHoists(hoists, context) {
|
||
|
|
if (!hoists.length) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
context.pure = true;
|
||
|
|
const { push, newline, helper, scopeId, mode } = context;
|
||
|
|
newline();
|
||
|
|
for (let i = 0; i < hoists.length; i++) {
|
||
|
|
const exp = hoists[i];
|
||
|
|
if (exp) {
|
||
|
|
push(`const _hoisted_${i + 1} = ${``}`);
|
||
|
|
genNode(exp, context);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
context.pure = false;
|
||
|
|
}
|
||
|
|
function isText$1(n) {
|
||
|
|
return (isString(n) ||
|
||
|
|
n.type === 4 /* SIMPLE_EXPRESSION */ ||
|
||
|
|
n.type === 2 /* TEXT */ ||
|
||
|
|
n.type === 5 /* INTERPOLATION */ ||
|
||
|
|
n.type === 8 /* COMPOUND_EXPRESSION */);
|
||
|
|
}
|
||
|
|
function genNodeListAsArray(nodes, context) {
|
||
|
|
const multilines = nodes.length > 3 ||
|
||
|
|
(nodes.some(n => isArray(n) || !isText$1(n)));
|
||
|
|
context.push(`[`);
|
||
|
|
multilines && context.indent();
|
||
|
|
genNodeList(nodes, context, multilines);
|
||
|
|
multilines && context.deindent();
|
||
|
|
context.push(`]`);
|
||
|
|
}
|
||
|
|
function genNodeList(nodes, context, multilines = false, comma = true) {
|
||
|
|
const { push, newline } = context;
|
||
|
|
for (let i = 0; i < nodes.length; i++) {
|
||
|
|
const node = nodes[i];
|
||
|
|
if (isString(node)) {
|
||
|
|
push(node);
|
||
|
|
}
|
||
|
|
else if (isArray(node)) {
|
||
|
|
genNodeListAsArray(node, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
genNode(node, context);
|
||
|
|
}
|
||
|
|
if (i < nodes.length - 1) {
|
||
|
|
if (multilines) {
|
||
|
|
comma && push(',');
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
comma && push(', ');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genNode(node, context) {
|
||
|
|
if (isString(node)) {
|
||
|
|
context.push(node);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (isSymbol(node)) {
|
||
|
|
context.push(context.helper(node));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch (node.type) {
|
||
|
|
case 1 /* ELEMENT */:
|
||
|
|
case 9 /* IF */:
|
||
|
|
case 11 /* FOR */:
|
||
|
|
assert(node.codegenNode != null, `Codegen node is missing for element/if/for node. ` +
|
||
|
|
`Apply appropriate transforms first.`);
|
||
|
|
genNode(node.codegenNode, context);
|
||
|
|
break;
|
||
|
|
case 2 /* TEXT */:
|
||
|
|
genText(node, context);
|
||
|
|
break;
|
||
|
|
case 4 /* SIMPLE_EXPRESSION */:
|
||
|
|
genExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 5 /* INTERPOLATION */:
|
||
|
|
genInterpolation(node, context);
|
||
|
|
break;
|
||
|
|
case 12 /* TEXT_CALL */:
|
||
|
|
genNode(node.codegenNode, context);
|
||
|
|
break;
|
||
|
|
case 8 /* COMPOUND_EXPRESSION */:
|
||
|
|
genCompoundExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 3 /* COMMENT */:
|
||
|
|
genComment(node, context);
|
||
|
|
break;
|
||
|
|
case 13 /* VNODE_CALL */:
|
||
|
|
genVNodeCall(node, context);
|
||
|
|
break;
|
||
|
|
case 14 /* JS_CALL_EXPRESSION */:
|
||
|
|
genCallExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 15 /* JS_OBJECT_EXPRESSION */:
|
||
|
|
genObjectExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 17 /* JS_ARRAY_EXPRESSION */:
|
||
|
|
genArrayExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 18 /* JS_FUNCTION_EXPRESSION */:
|
||
|
|
genFunctionExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 19 /* JS_CONDITIONAL_EXPRESSION */:
|
||
|
|
genConditionalExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 20 /* JS_CACHE_EXPRESSION */:
|
||
|
|
genCacheExpression(node, context);
|
||
|
|
break;
|
||
|
|
case 21 /* JS_BLOCK_STATEMENT */:
|
||
|
|
genNodeList(node.body, context, true, false);
|
||
|
|
break;
|
||
|
|
// SSR only types
|
||
|
|
case 22 /* JS_TEMPLATE_LITERAL */:
|
||
|
|
break;
|
||
|
|
case 23 /* JS_IF_STATEMENT */:
|
||
|
|
break;
|
||
|
|
case 24 /* JS_ASSIGNMENT_EXPRESSION */:
|
||
|
|
break;
|
||
|
|
case 25 /* JS_SEQUENCE_EXPRESSION */:
|
||
|
|
break;
|
||
|
|
case 26 /* JS_RETURN_STATEMENT */:
|
||
|
|
break;
|
||
|
|
/* istanbul ignore next */
|
||
|
|
case 10 /* IF_BRANCH */:
|
||
|
|
// noop
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
assert(false, `unhandled codegen node type: ${node.type}`);
|
||
|
|
// make sure we exhaust all possible types
|
||
|
|
const exhaustiveCheck = node;
|
||
|
|
return exhaustiveCheck;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genText(node, context) {
|
||
|
|
context.push(JSON.stringify(node.content), node);
|
||
|
|
}
|
||
|
|
function genExpression(node, context) {
|
||
|
|
const { content, isStatic } = node;
|
||
|
|
context.push(isStatic ? JSON.stringify(content) : content, node);
|
||
|
|
}
|
||
|
|
function genInterpolation(node, context) {
|
||
|
|
const { push, helper, pure } = context;
|
||
|
|
if (pure)
|
||
|
|
push(PURE_ANNOTATION);
|
||
|
|
push(`${helper(TO_DISPLAY_STRING)}(`);
|
||
|
|
genNode(node.content, context);
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
function genCompoundExpression(node, context) {
|
||
|
|
for (let i = 0; i < node.children.length; i++) {
|
||
|
|
const child = node.children[i];
|
||
|
|
if (isString(child)) {
|
||
|
|
context.push(child);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
genNode(child, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genExpressionAsPropertyKey(node, context) {
|
||
|
|
const { push } = context;
|
||
|
|
if (node.type === 8 /* COMPOUND_EXPRESSION */) {
|
||
|
|
push(`[`);
|
||
|
|
genCompoundExpression(node, context);
|
||
|
|
push(`]`);
|
||
|
|
}
|
||
|
|
else if (node.isStatic) {
|
||
|
|
// only quote keys if necessary
|
||
|
|
const text = isSimpleIdentifier(node.content)
|
||
|
|
? node.content
|
||
|
|
: JSON.stringify(node.content);
|
||
|
|
push(text, node);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
push(`[${node.content}]`, node);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genComment(node, context) {
|
||
|
|
const { push, helper, pure } = context;
|
||
|
|
if (pure) {
|
||
|
|
push(PURE_ANNOTATION);
|
||
|
|
}
|
||
|
|
push(`${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`, node);
|
||
|
|
}
|
||
|
|
function genVNodeCall(node, context) {
|
||
|
|
const { push, helper, pure } = context;
|
||
|
|
const { tag, props, children, patchFlag, dynamicProps, directives, isBlock, disableTracking, isComponent } = node;
|
||
|
|
if (directives) {
|
||
|
|
push(helper(WITH_DIRECTIVES) + `(`);
|
||
|
|
}
|
||
|
|
if (isBlock) {
|
||
|
|
push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
|
||
|
|
}
|
||
|
|
if (pure) {
|
||
|
|
push(PURE_ANNOTATION);
|
||
|
|
}
|
||
|
|
const callHelper = isBlock
|
||
|
|
? getVNodeBlockHelper(context.inSSR, isComponent)
|
||
|
|
: getVNodeHelper(context.inSSR, isComponent);
|
||
|
|
push(helper(callHelper) + `(`, node);
|
||
|
|
genNodeList(genNullableArgs([tag, props, children, patchFlag, dynamicProps]), context);
|
||
|
|
push(`)`);
|
||
|
|
if (isBlock) {
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
if (directives) {
|
||
|
|
push(`, `);
|
||
|
|
genNode(directives, context);
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genNullableArgs(args) {
|
||
|
|
let i = args.length;
|
||
|
|
while (i--) {
|
||
|
|
if (args[i] != null)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return args.slice(0, i + 1).map(arg => arg || `null`);
|
||
|
|
}
|
||
|
|
// JavaScript
|
||
|
|
function genCallExpression(node, context) {
|
||
|
|
const { push, helper, pure } = context;
|
||
|
|
const callee = isString(node.callee) ? node.callee : helper(node.callee);
|
||
|
|
if (pure) {
|
||
|
|
push(PURE_ANNOTATION);
|
||
|
|
}
|
||
|
|
push(callee + `(`, node);
|
||
|
|
genNodeList(node.arguments, context);
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
function genObjectExpression(node, context) {
|
||
|
|
const { push, indent, deindent, newline } = context;
|
||
|
|
const { properties } = node;
|
||
|
|
if (!properties.length) {
|
||
|
|
push(`{}`, node);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const multilines = properties.length > 1 ||
|
||
|
|
(properties.some(p => p.value.type !== 4 /* SIMPLE_EXPRESSION */));
|
||
|
|
push(multilines ? `{` : `{ `);
|
||
|
|
multilines && indent();
|
||
|
|
for (let i = 0; i < properties.length; i++) {
|
||
|
|
const { key, value } = properties[i];
|
||
|
|
// key
|
||
|
|
genExpressionAsPropertyKey(key, context);
|
||
|
|
push(`: `);
|
||
|
|
// value
|
||
|
|
genNode(value, context);
|
||
|
|
if (i < properties.length - 1) {
|
||
|
|
// will only reach this if it's multilines
|
||
|
|
push(`,`);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
multilines && deindent();
|
||
|
|
push(multilines ? `}` : ` }`);
|
||
|
|
}
|
||
|
|
function genArrayExpression(node, context) {
|
||
|
|
genNodeListAsArray(node.elements, context);
|
||
|
|
}
|
||
|
|
function genFunctionExpression(node, context) {
|
||
|
|
const { push, indent, deindent } = context;
|
||
|
|
const { params, returns, body, newline, isSlot } = node;
|
||
|
|
if (isSlot) {
|
||
|
|
// wrap slot functions with owner context
|
||
|
|
push(`_${helperNameMap[WITH_CTX]}(`);
|
||
|
|
}
|
||
|
|
push(`(`, node);
|
||
|
|
if (isArray(params)) {
|
||
|
|
genNodeList(params, context);
|
||
|
|
}
|
||
|
|
else if (params) {
|
||
|
|
genNode(params, context);
|
||
|
|
}
|
||
|
|
push(`) => `);
|
||
|
|
if (newline || body) {
|
||
|
|
push(`{`);
|
||
|
|
indent();
|
||
|
|
}
|
||
|
|
if (returns) {
|
||
|
|
if (newline) {
|
||
|
|
push(`return `);
|
||
|
|
}
|
||
|
|
if (isArray(returns)) {
|
||
|
|
genNodeListAsArray(returns, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
genNode(returns, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (body) {
|
||
|
|
genNode(body, context);
|
||
|
|
}
|
||
|
|
if (newline || body) {
|
||
|
|
deindent();
|
||
|
|
push(`}`);
|
||
|
|
}
|
||
|
|
if (isSlot) {
|
||
|
|
if (node.isNonScopedSlot) {
|
||
|
|
push(`, undefined, true`);
|
||
|
|
}
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function genConditionalExpression(node, context) {
|
||
|
|
const { test, consequent, alternate, newline: needNewline } = node;
|
||
|
|
const { push, indent, deindent, newline } = context;
|
||
|
|
if (test.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
const needsParens = !isSimpleIdentifier(test.content);
|
||
|
|
needsParens && push(`(`);
|
||
|
|
genExpression(test, context);
|
||
|
|
needsParens && push(`)`);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
push(`(`);
|
||
|
|
genNode(test, context);
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
needNewline && indent();
|
||
|
|
context.indentLevel++;
|
||
|
|
needNewline || push(` `);
|
||
|
|
push(`? `);
|
||
|
|
genNode(consequent, context);
|
||
|
|
context.indentLevel--;
|
||
|
|
needNewline && newline();
|
||
|
|
needNewline || push(` `);
|
||
|
|
push(`: `);
|
||
|
|
const isNested = alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */;
|
||
|
|
if (!isNested) {
|
||
|
|
context.indentLevel++;
|
||
|
|
}
|
||
|
|
genNode(alternate, context);
|
||
|
|
if (!isNested) {
|
||
|
|
context.indentLevel--;
|
||
|
|
}
|
||
|
|
needNewline && deindent(true /* without newline */);
|
||
|
|
}
|
||
|
|
function genCacheExpression(node, context) {
|
||
|
|
const { push, helper, indent, deindent, newline } = context;
|
||
|
|
push(`_cache[${node.index}] || (`);
|
||
|
|
if (node.isVNode) {
|
||
|
|
indent();
|
||
|
|
push(`${helper(SET_BLOCK_TRACKING)}(-1),`);
|
||
|
|
newline();
|
||
|
|
}
|
||
|
|
push(`_cache[${node.index}] = `);
|
||
|
|
genNode(node.value, context);
|
||
|
|
if (node.isVNode) {
|
||
|
|
push(`,`);
|
||
|
|
newline();
|
||
|
|
push(`${helper(SET_BLOCK_TRACKING)}(1),`);
|
||
|
|
newline();
|
||
|
|
push(`_cache[${node.index}]`);
|
||
|
|
deindent();
|
||
|
|
}
|
||
|
|
push(`)`);
|
||
|
|
}
|
||
|
|
|
||
|
|
function walkIdentifiers(root, onIdentifier, includeAll = false, parentStack = [], knownIds = Object.create(null)) {
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isReferencedIdentifier(id, parent, parentStack) {
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isInDestructureAssignment(parent, parentStack) {
|
||
|
|
if (parent &&
|
||
|
|
(parent.type === 'ObjectProperty' || parent.type === 'ArrayPattern')) {
|
||
|
|
let i = parentStack.length;
|
||
|
|
while (i--) {
|
||
|
|
const p = parentStack[i];
|
||
|
|
if (p.type === 'AssignmentExpression') {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else if (p.type !== 'ObjectProperty' && !p.type.endsWith('Pattern')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function walkFunctionParams(node, onIdent) {
|
||
|
|
for (const p of node.params) {
|
||
|
|
for (const id of extractIdentifiers(p)) {
|
||
|
|
onIdent(id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function walkBlockDeclarations(block, onIdent) {
|
||
|
|
for (const stmt of block.body) {
|
||
|
|
if (stmt.type === 'VariableDeclaration') {
|
||
|
|
if (stmt.declare)
|
||
|
|
continue;
|
||
|
|
for (const decl of stmt.declarations) {
|
||
|
|
for (const id of extractIdentifiers(decl.id)) {
|
||
|
|
onIdent(id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (stmt.type === 'FunctionDeclaration' ||
|
||
|
|
stmt.type === 'ClassDeclaration') {
|
||
|
|
if (stmt.declare || !stmt.id)
|
||
|
|
continue;
|
||
|
|
onIdent(stmt.id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function extractIdentifiers(param, nodes = []) {
|
||
|
|
switch (param.type) {
|
||
|
|
case 'Identifier':
|
||
|
|
nodes.push(param);
|
||
|
|
break;
|
||
|
|
case 'MemberExpression':
|
||
|
|
let object = param;
|
||
|
|
while (object.type === 'MemberExpression') {
|
||
|
|
object = object.object;
|
||
|
|
}
|
||
|
|
nodes.push(object);
|
||
|
|
break;
|
||
|
|
case 'ObjectPattern':
|
||
|
|
for (const prop of param.properties) {
|
||
|
|
if (prop.type === 'RestElement') {
|
||
|
|
extractIdentifiers(prop.argument, nodes);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
extractIdentifiers(prop.value, nodes);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'ArrayPattern':
|
||
|
|
param.elements.forEach(element => {
|
||
|
|
if (element)
|
||
|
|
extractIdentifiers(element, nodes);
|
||
|
|
});
|
||
|
|
break;
|
||
|
|
case 'RestElement':
|
||
|
|
extractIdentifiers(param.argument, nodes);
|
||
|
|
break;
|
||
|
|
case 'AssignmentPattern':
|
||
|
|
extractIdentifiers(param.left, nodes);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return nodes;
|
||
|
|
}
|
||
|
|
const isFunctionType = (node) => {
|
||
|
|
return /Function(?:Expression|Declaration)$|Method$/.test(node.type);
|
||
|
|
};
|
||
|
|
const isStaticProperty = (node) => node &&
|
||
|
|
(node.type === 'ObjectProperty' || node.type === 'ObjectMethod') &&
|
||
|
|
!node.computed;
|
||
|
|
const isStaticPropertyKey = (node, parent) => isStaticProperty(parent) && parent.key === node;
|
||
|
|
|
||
|
|
// these keywords should not appear inside expressions, but operators like
|
||
|
|
// typeof, instanceof and in are allowed
|
||
|
|
const prohibitedKeywordRE = new RegExp('\\b' +
|
||
|
|
('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
|
||
|
|
'super,throw,while,yield,delete,export,import,return,switch,default,' +
|
||
|
|
'extends,finally,continue,debugger,function,arguments,typeof,void')
|
||
|
|
.split(',')
|
||
|
|
.join('\\b|\\b') +
|
||
|
|
'\\b');
|
||
|
|
// strip strings in expressions
|
||
|
|
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
|
||
|
|
/**
|
||
|
|
* Validate a non-prefixed expression.
|
||
|
|
* This is only called when using the in-browser runtime compiler since it
|
||
|
|
* doesn't prefix expressions.
|
||
|
|
*/
|
||
|
|
function validateBrowserExpression(node, context, asParams = false, asRawStatements = false) {
|
||
|
|
const exp = node.content;
|
||
|
|
// empty expressions are validated per-directive since some directives
|
||
|
|
// do allow empty expressions.
|
||
|
|
if (!exp.trim()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
new Function(asRawStatements
|
||
|
|
? ` ${exp} `
|
||
|
|
: `return ${asParams ? `(${exp}) => {}` : `(${exp})`}`);
|
||
|
|
}
|
||
|
|
catch (e) {
|
||
|
|
let message = e.message;
|
||
|
|
const keywordMatch = exp
|
||
|
|
.replace(stripStringRE, '')
|
||
|
|
.match(prohibitedKeywordRE);
|
||
|
|
if (keywordMatch) {
|
||
|
|
message = `avoid using JavaScript keyword as property name: "${keywordMatch[0]}"`;
|
||
|
|
}
|
||
|
|
context.onError(createCompilerError(44 /* X_INVALID_EXPRESSION */, node.loc, undefined, message));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const transformExpression = (node, context) => {
|
||
|
|
if (node.type === 5 /* INTERPOLATION */) {
|
||
|
|
node.content = processExpression(node.content, context);
|
||
|
|
}
|
||
|
|
else if (node.type === 1 /* ELEMENT */) {
|
||
|
|
// handle directives on element
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const dir = node.props[i];
|
||
|
|
// do not process for v-on & v-for since they are special handled
|
||
|
|
if (dir.type === 7 /* DIRECTIVE */ && dir.name !== 'for') {
|
||
|
|
const exp = dir.exp;
|
||
|
|
const arg = dir.arg;
|
||
|
|
// do not process exp if this is v-on:arg - we need special handling
|
||
|
|
// for wrapping inline statements.
|
||
|
|
if (exp &&
|
||
|
|
exp.type === 4 /* SIMPLE_EXPRESSION */ &&
|
||
|
|
!(dir.name === 'on' && arg)) {
|
||
|
|
dir.exp = processExpression(exp, context,
|
||
|
|
// slot args must be processed as function params
|
||
|
|
dir.name === 'slot');
|
||
|
|
}
|
||
|
|
if (arg && arg.type === 4 /* SIMPLE_EXPRESSION */ && !arg.isStatic) {
|
||
|
|
dir.arg = processExpression(arg, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// Important: since this function uses Node.js only dependencies, it should
|
||
|
|
// always be used with a leading !true check so that it can be
|
||
|
|
// tree-shaken from the browser build.
|
||
|
|
function processExpression(node, context,
|
||
|
|
// some expressions like v-slot props & v-for aliases should be parsed as
|
||
|
|
// function params
|
||
|
|
asParams = false,
|
||
|
|
// v-on handler values may contain multiple statements
|
||
|
|
asRawStatements = false, localVars = Object.create(context.identifiers)) {
|
||
|
|
{
|
||
|
|
{
|
||
|
|
// simple in-browser validation (same logic in 2.x)
|
||
|
|
validateBrowserExpression(node, context, asParams, asRawStatements);
|
||
|
|
}
|
||
|
|
return node;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const transformIf = createStructuralDirectiveTransform(/^(if|else|else-if)$/, (node, dir, context) => {
|
||
|
|
return processIf(node, dir, context, (ifNode, branch, isRoot) => {
|
||
|
|
// #1587: We need to dynamically increment the key based on the current
|
||
|
|
// node's sibling nodes, since chained v-if/else branches are
|
||
|
|
// rendered at the same depth
|
||
|
|
const siblings = context.parent.children;
|
||
|
|
let i = siblings.indexOf(ifNode);
|
||
|
|
let key = 0;
|
||
|
|
while (i-- >= 0) {
|
||
|
|
const sibling = siblings[i];
|
||
|
|
if (sibling && sibling.type === 9 /* IF */) {
|
||
|
|
key += sibling.branches.length;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Exit callback. Complete the codegenNode when all children have been
|
||
|
|
// transformed.
|
||
|
|
return () => {
|
||
|
|
if (isRoot) {
|
||
|
|
ifNode.codegenNode = createCodegenNodeForBranch(branch, key, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// attach this branch's codegen node to the v-if root.
|
||
|
|
const parentCondition = getParentCondition(ifNode.codegenNode);
|
||
|
|
parentCondition.alternate = createCodegenNodeForBranch(branch, key + ifNode.branches.length - 1, context);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
});
|
||
|
|
});
|
||
|
|
// target-agnostic transform used for both Client and SSR
|
||
|
|
function processIf(node, dir, context, processCodegen) {
|
||
|
|
if (dir.name !== 'else' &&
|
||
|
|
(!dir.exp || !dir.exp.content.trim())) {
|
||
|
|
const loc = dir.exp ? dir.exp.loc : node.loc;
|
||
|
|
context.onError(createCompilerError(28 /* X_V_IF_NO_EXPRESSION */, dir.loc));
|
||
|
|
dir.exp = createSimpleExpression(`true`, false, loc);
|
||
|
|
}
|
||
|
|
if (dir.exp) {
|
||
|
|
validateBrowserExpression(dir.exp, context);
|
||
|
|
}
|
||
|
|
if (dir.name === 'if') {
|
||
|
|
const branch = createIfBranch(node, dir);
|
||
|
|
const ifNode = {
|
||
|
|
type: 9 /* IF */,
|
||
|
|
loc: node.loc,
|
||
|
|
branches: [branch]
|
||
|
|
};
|
||
|
|
context.replaceNode(ifNode);
|
||
|
|
if (processCodegen) {
|
||
|
|
return processCodegen(ifNode, branch, true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// locate the adjacent v-if
|
||
|
|
const siblings = context.parent.children;
|
||
|
|
const comments = [];
|
||
|
|
let i = siblings.indexOf(node);
|
||
|
|
while (i-- >= -1) {
|
||
|
|
const sibling = siblings[i];
|
||
|
|
if (sibling && sibling.type === 3 /* COMMENT */) {
|
||
|
|
context.removeNode(sibling);
|
||
|
|
comments.unshift(sibling);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (sibling &&
|
||
|
|
sibling.type === 2 /* TEXT */ &&
|
||
|
|
!sibling.content.trim().length) {
|
||
|
|
context.removeNode(sibling);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (sibling && sibling.type === 9 /* IF */) {
|
||
|
|
// Check if v-else was followed by v-else-if
|
||
|
|
if (dir.name === 'else-if' &&
|
||
|
|
sibling.branches[sibling.branches.length - 1].condition === undefined) {
|
||
|
|
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
|
||
|
|
}
|
||
|
|
// move the node to the if node's branches
|
||
|
|
context.removeNode();
|
||
|
|
const branch = createIfBranch(node, dir);
|
||
|
|
if (comments.length &&
|
||
|
|
// #3619 ignore comments if the v-if is direct child of <transition>
|
||
|
|
!(context.parent &&
|
||
|
|
context.parent.type === 1 /* ELEMENT */ &&
|
||
|
|
isBuiltInType(context.parent.tag, 'transition'))) {
|
||
|
|
branch.children = [...comments, ...branch.children];
|
||
|
|
}
|
||
|
|
// check if user is forcing same key on different branches
|
||
|
|
{
|
||
|
|
const key = branch.userKey;
|
||
|
|
if (key) {
|
||
|
|
sibling.branches.forEach(({ userKey }) => {
|
||
|
|
if (isSameKey(userKey, key)) {
|
||
|
|
context.onError(createCompilerError(29 /* X_V_IF_SAME_KEY */, branch.userKey.loc));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
sibling.branches.push(branch);
|
||
|
|
const onExit = processCodegen && processCodegen(sibling, branch, false);
|
||
|
|
// since the branch was removed, it will not be traversed.
|
||
|
|
// make sure to traverse here.
|
||
|
|
traverseNode(branch, context);
|
||
|
|
// call on exit
|
||
|
|
if (onExit)
|
||
|
|
onExit();
|
||
|
|
// make sure to reset currentNode after traversal to indicate this
|
||
|
|
// node has been removed.
|
||
|
|
context.currentNode = null;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createIfBranch(node, dir) {
|
||
|
|
const isTemplateIf = node.tagType === 3 /* TEMPLATE */;
|
||
|
|
return {
|
||
|
|
type: 10 /* IF_BRANCH */,
|
||
|
|
loc: node.loc,
|
||
|
|
condition: dir.name === 'else' ? undefined : dir.exp,
|
||
|
|
children: isTemplateIf && !findDir(node, 'for') ? node.children : [node],
|
||
|
|
userKey: findProp(node, `key`),
|
||
|
|
isTemplateIf
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function createCodegenNodeForBranch(branch, keyIndex, context) {
|
||
|
|
if (branch.condition) {
|
||
|
|
return createConditionalExpression(branch.condition, createChildrenCodegenNode(branch, keyIndex, context),
|
||
|
|
// make sure to pass in asBlock: true so that the comment node call
|
||
|
|
// closes the current block.
|
||
|
|
createCallExpression(context.helper(CREATE_COMMENT), [
|
||
|
|
'"v-if"' ,
|
||
|
|
'true'
|
||
|
|
]));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return createChildrenCodegenNode(branch, keyIndex, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createChildrenCodegenNode(branch, keyIndex, context) {
|
||
|
|
const { helper } = context;
|
||
|
|
const keyProperty = createObjectProperty(`key`, createSimpleExpression(`${keyIndex}`, false, locStub, 2 /* CAN_HOIST */));
|
||
|
|
const { children } = branch;
|
||
|
|
const firstChild = children[0];
|
||
|
|
const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1 /* ELEMENT */;
|
||
|
|
if (needFragmentWrapper) {
|
||
|
|
if (children.length === 1 && firstChild.type === 11 /* FOR */) {
|
||
|
|
// optimize away nested fragments when child is a ForNode
|
||
|
|
const vnodeCall = firstChild.codegenNode;
|
||
|
|
injectProp(vnodeCall, keyProperty, context);
|
||
|
|
return vnodeCall;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
let patchFlag = 64 /* STABLE_FRAGMENT */;
|
||
|
|
let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
|
||
|
|
// check if the fragment actually contains a single valid child with
|
||
|
|
// the rest being comments
|
||
|
|
if (!branch.isTemplateIf &&
|
||
|
|
children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
|
||
|
|
patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
|
||
|
|
patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
|
||
|
|
}
|
||
|
|
return createVNodeCall(context, helper(FRAGMENT), createObjectExpression([keyProperty]), children, patchFlag + (` /* ${patchFlagText} */` ), undefined, undefined, true, false, false /* isComponent */, branch.loc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const ret = firstChild.codegenNode;
|
||
|
|
const vnodeCall = getMemoedVNodeCall(ret);
|
||
|
|
// Change createVNode to createBlock.
|
||
|
|
if (vnodeCall.type === 13 /* VNODE_CALL */) {
|
||
|
|
makeBlock(vnodeCall, context);
|
||
|
|
}
|
||
|
|
// inject branch key
|
||
|
|
injectProp(vnodeCall, keyProperty, context);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isSameKey(a, b) {
|
||
|
|
if (!a || a.type !== b.type) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (a.type === 6 /* ATTRIBUTE */) {
|
||
|
|
if (a.value.content !== b.value.content) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// directive
|
||
|
|
const exp = a.exp;
|
||
|
|
const branchExp = b.exp;
|
||
|
|
if (exp.type !== branchExp.type) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (exp.type !== 4 /* SIMPLE_EXPRESSION */ ||
|
||
|
|
exp.isStatic !== branchExp.isStatic ||
|
||
|
|
exp.content !== branchExp.content) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
function getParentCondition(node) {
|
||
|
|
while (true) {
|
||
|
|
if (node.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
|
||
|
|
if (node.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
|
||
|
|
node = node.alternate;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return node;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (node.type === 20 /* JS_CACHE_EXPRESSION */) {
|
||
|
|
node = node.value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const transformFor = createStructuralDirectiveTransform('for', (node, dir, context) => {
|
||
|
|
const { helper, removeHelper } = context;
|
||
|
|
return processFor(node, dir, context, forNode => {
|
||
|
|
// create the loop render function expression now, and add the
|
||
|
|
// iterator on exit after all children have been traversed
|
||
|
|
const renderExp = createCallExpression(helper(RENDER_LIST), [
|
||
|
|
forNode.source
|
||
|
|
]);
|
||
|
|
const isTemplate = isTemplateNode(node);
|
||
|
|
const memo = findDir(node, 'memo');
|
||
|
|
const keyProp = findProp(node, `key`);
|
||
|
|
const keyExp = keyProp &&
|
||
|
|
(keyProp.type === 6 /* ATTRIBUTE */
|
||
|
|
? createSimpleExpression(keyProp.value.content, true)
|
||
|
|
: keyProp.exp);
|
||
|
|
const keyProperty = keyProp ? createObjectProperty(`key`, keyExp) : null;
|
||
|
|
const isStableFragment = forNode.source.type === 4 /* SIMPLE_EXPRESSION */ &&
|
||
|
|
forNode.source.constType > 0 /* NOT_CONSTANT */;
|
||
|
|
const fragmentFlag = isStableFragment
|
||
|
|
? 64 /* STABLE_FRAGMENT */
|
||
|
|
: keyProp
|
||
|
|
? 128 /* KEYED_FRAGMENT */
|
||
|
|
: 256 /* UNKEYED_FRAGMENT */;
|
||
|
|
forNode.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, renderExp, fragmentFlag +
|
||
|
|
(` /* ${PatchFlagNames[fragmentFlag]} */` ), undefined, undefined, true /* isBlock */, !isStableFragment /* disableTracking */, false /* isComponent */, node.loc);
|
||
|
|
return () => {
|
||
|
|
// finish the codegen now that all children have been traversed
|
||
|
|
let childBlock;
|
||
|
|
const { children } = forNode;
|
||
|
|
// check <template v-for> key placement
|
||
|
|
if (isTemplate) {
|
||
|
|
node.children.some(c => {
|
||
|
|
if (c.type === 1 /* ELEMENT */) {
|
||
|
|
const key = findProp(c, 'key');
|
||
|
|
if (key) {
|
||
|
|
context.onError(createCompilerError(33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */, key.loc));
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
const needFragmentWrapper = children.length !== 1 || children[0].type !== 1 /* ELEMENT */;
|
||
|
|
const slotOutlet = isSlotOutlet(node)
|
||
|
|
? node
|
||
|
|
: isTemplate &&
|
||
|
|
node.children.length === 1 &&
|
||
|
|
isSlotOutlet(node.children[0])
|
||
|
|
? node.children[0] // api-extractor somehow fails to infer this
|
||
|
|
: null;
|
||
|
|
if (slotOutlet) {
|
||
|
|
// <slot v-for="..."> or <template v-for="..."><slot/></template>
|
||
|
|
childBlock = slotOutlet.codegenNode;
|
||
|
|
if (isTemplate && keyProperty) {
|
||
|
|
// <template v-for="..." :key="..."><slot/></template>
|
||
|
|
// we need to inject the key to the renderSlot() call.
|
||
|
|
// the props for renderSlot is passed as the 3rd argument.
|
||
|
|
injectProp(childBlock, keyProperty, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (needFragmentWrapper) {
|
||
|
|
// <template v-for="..."> with text or multi-elements
|
||
|
|
// should generate a fragment block for each loop
|
||
|
|
childBlock = createVNodeCall(context, helper(FRAGMENT), keyProperty ? createObjectExpression([keyProperty]) : undefined, node.children, 64 /* STABLE_FRAGMENT */ +
|
||
|
|
(` /* ${PatchFlagNames[64 /* STABLE_FRAGMENT */]} */`
|
||
|
|
), undefined, undefined, true, undefined, false /* isComponent */);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// Normal element v-for. Directly use the child's codegenNode
|
||
|
|
// but mark it as a block.
|
||
|
|
childBlock = children[0]
|
||
|
|
.codegenNode;
|
||
|
|
if (isTemplate && keyProperty) {
|
||
|
|
injectProp(childBlock, keyProperty, context);
|
||
|
|
}
|
||
|
|
if (childBlock.isBlock !== !isStableFragment) {
|
||
|
|
if (childBlock.isBlock) {
|
||
|
|
// switch from block to vnode
|
||
|
|
removeHelper(OPEN_BLOCK);
|
||
|
|
removeHelper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// switch from vnode to block
|
||
|
|
removeHelper(getVNodeHelper(context.inSSR, childBlock.isComponent));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
childBlock.isBlock = !isStableFragment;
|
||
|
|
if (childBlock.isBlock) {
|
||
|
|
helper(OPEN_BLOCK);
|
||
|
|
helper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
helper(getVNodeHelper(context.inSSR, childBlock.isComponent));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (memo) {
|
||
|
|
const loop = createFunctionExpression(createForLoopParams(forNode.parseResult, [
|
||
|
|
createSimpleExpression(`_cached`)
|
||
|
|
]));
|
||
|
|
loop.body = createBlockStatement([
|
||
|
|
createCompoundExpression([`const _memo = (`, memo.exp, `)`]),
|
||
|
|
createCompoundExpression([
|
||
|
|
`if (_cached`,
|
||
|
|
...(keyExp ? [` && _cached.key === `, keyExp] : []),
|
||
|
|
` && ${context.helperString(IS_MEMO_SAME)}(_cached, _memo)) return _cached`
|
||
|
|
]),
|
||
|
|
createCompoundExpression([`const _item = `, childBlock]),
|
||
|
|
createSimpleExpression(`_item.memo = _memo`),
|
||
|
|
createSimpleExpression(`return _item`)
|
||
|
|
]);
|
||
|
|
renderExp.arguments.push(loop, createSimpleExpression(`_cache`), createSimpleExpression(String(context.cached++)));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
renderExp.arguments.push(createFunctionExpression(createForLoopParams(forNode.parseResult), childBlock, true /* force newline */));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
});
|
||
|
|
});
|
||
|
|
// target-agnostic transform used for both Client and SSR
|
||
|
|
function processFor(node, dir, context, processCodegen) {
|
||
|
|
if (!dir.exp) {
|
||
|
|
context.onError(createCompilerError(31 /* X_V_FOR_NO_EXPRESSION */, dir.loc));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const parseResult = parseForExpression(
|
||
|
|
// can only be simple expression because vFor transform is applied
|
||
|
|
// before expression transform.
|
||
|
|
dir.exp, context);
|
||
|
|
if (!parseResult) {
|
||
|
|
context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, dir.loc));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const { addIdentifiers, removeIdentifiers, scopes } = context;
|
||
|
|
const { source, value, key, index } = parseResult;
|
||
|
|
const forNode = {
|
||
|
|
type: 11 /* FOR */,
|
||
|
|
loc: dir.loc,
|
||
|
|
source,
|
||
|
|
valueAlias: value,
|
||
|
|
keyAlias: key,
|
||
|
|
objectIndexAlias: index,
|
||
|
|
parseResult,
|
||
|
|
children: isTemplateNode(node) ? node.children : [node]
|
||
|
|
};
|
||
|
|
context.replaceNode(forNode);
|
||
|
|
// bookkeeping
|
||
|
|
scopes.vFor++;
|
||
|
|
const onExit = processCodegen && processCodegen(forNode);
|
||
|
|
return () => {
|
||
|
|
scopes.vFor--;
|
||
|
|
if (onExit)
|
||
|
|
onExit();
|
||
|
|
};
|
||
|
|
}
|
||
|
|
const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
|
||
|
|
// This regex doesn't cover the case if key or index aliases have destructuring,
|
||
|
|
// but those do not make sense in the first place, so this works in practice.
|
||
|
|
const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
|
||
|
|
const stripParensRE = /^\(|\)$/g;
|
||
|
|
function parseForExpression(input, context) {
|
||
|
|
const loc = input.loc;
|
||
|
|
const exp = input.content;
|
||
|
|
const inMatch = exp.match(forAliasRE);
|
||
|
|
if (!inMatch)
|
||
|
|
return;
|
||
|
|
const [, LHS, RHS] = inMatch;
|
||
|
|
const result = {
|
||
|
|
source: createAliasExpression(loc, RHS.trim(), exp.indexOf(RHS, LHS.length)),
|
||
|
|
value: undefined,
|
||
|
|
key: undefined,
|
||
|
|
index: undefined
|
||
|
|
};
|
||
|
|
{
|
||
|
|
validateBrowserExpression(result.source, context);
|
||
|
|
}
|
||
|
|
let valueContent = LHS.trim().replace(stripParensRE, '').trim();
|
||
|
|
const trimmedOffset = LHS.indexOf(valueContent);
|
||
|
|
const iteratorMatch = valueContent.match(forIteratorRE);
|
||
|
|
if (iteratorMatch) {
|
||
|
|
valueContent = valueContent.replace(forIteratorRE, '').trim();
|
||
|
|
const keyContent = iteratorMatch[1].trim();
|
||
|
|
let keyOffset;
|
||
|
|
if (keyContent) {
|
||
|
|
keyOffset = exp.indexOf(keyContent, trimmedOffset + valueContent.length);
|
||
|
|
result.key = createAliasExpression(loc, keyContent, keyOffset);
|
||
|
|
{
|
||
|
|
validateBrowserExpression(result.key, context, true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (iteratorMatch[2]) {
|
||
|
|
const indexContent = iteratorMatch[2].trim();
|
||
|
|
if (indexContent) {
|
||
|
|
result.index = createAliasExpression(loc, indexContent, exp.indexOf(indexContent, result.key
|
||
|
|
? keyOffset + keyContent.length
|
||
|
|
: trimmedOffset + valueContent.length));
|
||
|
|
{
|
||
|
|
validateBrowserExpression(result.index, context, true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (valueContent) {
|
||
|
|
result.value = createAliasExpression(loc, valueContent, trimmedOffset);
|
||
|
|
{
|
||
|
|
validateBrowserExpression(result.value, context, true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
function createAliasExpression(range, content, offset) {
|
||
|
|
return createSimpleExpression(content, false, getInnerRange(range, offset, content.length));
|
||
|
|
}
|
||
|
|
function createForLoopParams({ value, key, index }, memoArgs = []) {
|
||
|
|
return createParamsList([value, key, index, ...memoArgs]);
|
||
|
|
}
|
||
|
|
function createParamsList(args) {
|
||
|
|
let i = args.length;
|
||
|
|
while (i--) {
|
||
|
|
if (args[i])
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return args
|
||
|
|
.slice(0, i + 1)
|
||
|
|
.map((arg, i) => arg || createSimpleExpression(`_`.repeat(i + 1), false));
|
||
|
|
}
|
||
|
|
|
||
|
|
const defaultFallback = createSimpleExpression(`undefined`, false);
|
||
|
|
// A NodeTransform that:
|
||
|
|
// 1. Tracks scope identifiers for scoped slots so that they don't get prefixed
|
||
|
|
// by transformExpression. This is only applied in non-browser builds with
|
||
|
|
// { prefixIdentifiers: true }.
|
||
|
|
// 2. Track v-slot depths so that we know a slot is inside another slot.
|
||
|
|
// Note the exit callback is executed before buildSlots() on the same node,
|
||
|
|
// so only nested slots see positive numbers.
|
||
|
|
const trackSlotScopes = (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */ &&
|
||
|
|
(node.tagType === 1 /* COMPONENT */ ||
|
||
|
|
node.tagType === 3 /* TEMPLATE */)) {
|
||
|
|
// We are only checking non-empty v-slot here
|
||
|
|
// since we only care about slots that introduce scope variables.
|
||
|
|
const vSlot = findDir(node, 'slot');
|
||
|
|
if (vSlot) {
|
||
|
|
vSlot.exp;
|
||
|
|
context.scopes.vSlot++;
|
||
|
|
return () => {
|
||
|
|
context.scopes.vSlot--;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
// A NodeTransform that tracks scope identifiers for scoped slots with v-for.
|
||
|
|
// This transform is only applied in non-browser builds with { prefixIdentifiers: true }
|
||
|
|
const trackVForSlotScopes = (node, context) => {
|
||
|
|
let vFor;
|
||
|
|
if (isTemplateNode(node) &&
|
||
|
|
node.props.some(isVSlot) &&
|
||
|
|
(vFor = findDir(node, 'for'))) {
|
||
|
|
const result = (vFor.parseResult = parseForExpression(vFor.exp, context));
|
||
|
|
if (result) {
|
||
|
|
const { value, key, index } = result;
|
||
|
|
const { addIdentifiers, removeIdentifiers } = context;
|
||
|
|
value && addIdentifiers(value);
|
||
|
|
key && addIdentifiers(key);
|
||
|
|
index && addIdentifiers(index);
|
||
|
|
return () => {
|
||
|
|
value && removeIdentifiers(value);
|
||
|
|
key && removeIdentifiers(key);
|
||
|
|
index && removeIdentifiers(index);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const buildClientSlotFn = (props, children, loc) => createFunctionExpression(props, children, false /* newline */, true /* isSlot */, children.length ? children[0].loc : loc);
|
||
|
|
// Instead of being a DirectiveTransform, v-slot processing is called during
|
||
|
|
// transformElement to build the slots object for a component.
|
||
|
|
function buildSlots(node, context, buildSlotFn = buildClientSlotFn) {
|
||
|
|
context.helper(WITH_CTX);
|
||
|
|
const { children, loc } = node;
|
||
|
|
const slotsProperties = [];
|
||
|
|
const dynamicSlots = [];
|
||
|
|
// If the slot is inside a v-for or another v-slot, force it to be dynamic
|
||
|
|
// since it likely uses a scope variable.
|
||
|
|
let hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;
|
||
|
|
// 1. Check for slot with slotProps on component itself.
|
||
|
|
// <Comp v-slot="{ prop }"/>
|
||
|
|
const onComponentSlot = findDir(node, 'slot', true);
|
||
|
|
if (onComponentSlot) {
|
||
|
|
const { arg, exp } = onComponentSlot;
|
||
|
|
if (arg && !isStaticExp(arg)) {
|
||
|
|
hasDynamicSlots = true;
|
||
|
|
}
|
||
|
|
slotsProperties.push(createObjectProperty(arg || createSimpleExpression('default', true), buildSlotFn(exp, children, loc)));
|
||
|
|
}
|
||
|
|
// 2. Iterate through children and check for template slots
|
||
|
|
// <template v-slot:foo="{ prop }">
|
||
|
|
let hasTemplateSlots = false;
|
||
|
|
let hasNamedDefaultSlot = false;
|
||
|
|
const implicitDefaultChildren = [];
|
||
|
|
const seenSlotNames = new Set();
|
||
|
|
for (let i = 0; i < children.length; i++) {
|
||
|
|
const slotElement = children[i];
|
||
|
|
let slotDir;
|
||
|
|
if (!isTemplateNode(slotElement) ||
|
||
|
|
!(slotDir = findDir(slotElement, 'slot', true))) {
|
||
|
|
// not a <template v-slot>, skip.
|
||
|
|
if (slotElement.type !== 3 /* COMMENT */) {
|
||
|
|
implicitDefaultChildren.push(slotElement);
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (onComponentSlot) {
|
||
|
|
// already has on-component slot - this is incorrect usage.
|
||
|
|
context.onError(createCompilerError(37 /* X_V_SLOT_MIXED_SLOT_USAGE */, slotDir.loc));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
hasTemplateSlots = true;
|
||
|
|
const { children: slotChildren, loc: slotLoc } = slotElement;
|
||
|
|
const { arg: slotName = createSimpleExpression(`default`, true), exp: slotProps, loc: dirLoc } = slotDir;
|
||
|
|
// check if name is dynamic.
|
||
|
|
let staticSlotName;
|
||
|
|
if (isStaticExp(slotName)) {
|
||
|
|
staticSlotName = slotName ? slotName.content : `default`;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
hasDynamicSlots = true;
|
||
|
|
}
|
||
|
|
const slotFunction = buildSlotFn(slotProps, slotChildren, slotLoc);
|
||
|
|
// check if this slot is conditional (v-if/v-for)
|
||
|
|
let vIf;
|
||
|
|
let vElse;
|
||
|
|
let vFor;
|
||
|
|
if ((vIf = findDir(slotElement, 'if'))) {
|
||
|
|
hasDynamicSlots = true;
|
||
|
|
dynamicSlots.push(createConditionalExpression(vIf.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback));
|
||
|
|
}
|
||
|
|
else if ((vElse = findDir(slotElement, /^else(-if)?$/, true /* allowEmpty */))) {
|
||
|
|
// find adjacent v-if
|
||
|
|
let j = i;
|
||
|
|
let prev;
|
||
|
|
while (j--) {
|
||
|
|
prev = children[j];
|
||
|
|
if (prev.type !== 3 /* COMMENT */) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (prev && isTemplateNode(prev) && findDir(prev, 'if')) {
|
||
|
|
// remove node
|
||
|
|
children.splice(i, 1);
|
||
|
|
i--;
|
||
|
|
// attach this slot to previous conditional
|
||
|
|
let conditional = dynamicSlots[dynamicSlots.length - 1];
|
||
|
|
while (conditional.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
|
||
|
|
conditional = conditional.alternate;
|
||
|
|
}
|
||
|
|
conditional.alternate = vElse.exp
|
||
|
|
? createConditionalExpression(vElse.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback)
|
||
|
|
: buildDynamicSlot(slotName, slotFunction);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, vElse.loc));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if ((vFor = findDir(slotElement, 'for'))) {
|
||
|
|
hasDynamicSlots = true;
|
||
|
|
const parseResult = vFor.parseResult ||
|
||
|
|
parseForExpression(vFor.exp, context);
|
||
|
|
if (parseResult) {
|
||
|
|
// Render the dynamic slots as an array and add it to the createSlot()
|
||
|
|
// args. The runtime knows how to handle it appropriately.
|
||
|
|
dynamicSlots.push(createCallExpression(context.helper(RENDER_LIST), [
|
||
|
|
parseResult.source,
|
||
|
|
createFunctionExpression(createForLoopParams(parseResult), buildDynamicSlot(slotName, slotFunction), true /* force newline */)
|
||
|
|
]));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, vFor.loc));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// check duplicate static names
|
||
|
|
if (staticSlotName) {
|
||
|
|
if (seenSlotNames.has(staticSlotName)) {
|
||
|
|
context.onError(createCompilerError(38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */, dirLoc));
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
seenSlotNames.add(staticSlotName);
|
||
|
|
if (staticSlotName === 'default') {
|
||
|
|
hasNamedDefaultSlot = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
slotsProperties.push(createObjectProperty(slotName, slotFunction));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!onComponentSlot) {
|
||
|
|
const buildDefaultSlotProperty = (props, children) => {
|
||
|
|
const fn = buildSlotFn(props, children, loc);
|
||
|
|
if (context.compatConfig) {
|
||
|
|
fn.isNonScopedSlot = true;
|
||
|
|
}
|
||
|
|
return createObjectProperty(`default`, fn);
|
||
|
|
};
|
||
|
|
if (!hasTemplateSlots) {
|
||
|
|
// implicit default slot (on component)
|
||
|
|
slotsProperties.push(buildDefaultSlotProperty(undefined, children));
|
||
|
|
}
|
||
|
|
else if (implicitDefaultChildren.length &&
|
||
|
|
// #3766
|
||
|
|
// with whitespace: 'preserve', whitespaces between slots will end up in
|
||
|
|
// implicitDefaultChildren. Ignore if all implicit children are whitespaces.
|
||
|
|
implicitDefaultChildren.some(node => isNonWhitespaceContent(node))) {
|
||
|
|
// implicit default slot (mixed with named slots)
|
||
|
|
if (hasNamedDefaultSlot) {
|
||
|
|
context.onError(createCompilerError(39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */, implicitDefaultChildren[0].loc));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
slotsProperties.push(buildDefaultSlotProperty(undefined, implicitDefaultChildren));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const slotFlag = hasDynamicSlots
|
||
|
|
? 2 /* DYNAMIC */
|
||
|
|
: hasForwardedSlots(node.children)
|
||
|
|
? 3 /* FORWARDED */
|
||
|
|
: 1 /* STABLE */;
|
||
|
|
let slots = createObjectExpression(slotsProperties.concat(createObjectProperty(`_`,
|
||
|
|
// 2 = compiled but dynamic = can skip normalization, but must run diff
|
||
|
|
// 1 = compiled and static = can skip normalization AND diff as optimized
|
||
|
|
createSimpleExpression(slotFlag + (` /* ${slotFlagsText[slotFlag]} */` ), false))), loc);
|
||
|
|
if (dynamicSlots.length) {
|
||
|
|
slots = createCallExpression(context.helper(CREATE_SLOTS), [
|
||
|
|
slots,
|
||
|
|
createArrayExpression(dynamicSlots)
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
slots,
|
||
|
|
hasDynamicSlots
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function buildDynamicSlot(name, fn) {
|
||
|
|
return createObjectExpression([
|
||
|
|
createObjectProperty(`name`, name),
|
||
|
|
createObjectProperty(`fn`, fn)
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
function hasForwardedSlots(children) {
|
||
|
|
for (let i = 0; i < children.length; i++) {
|
||
|
|
const child = children[i];
|
||
|
|
switch (child.type) {
|
||
|
|
case 1 /* ELEMENT */:
|
||
|
|
if (child.tagType === 2 /* SLOT */ ||
|
||
|
|
hasForwardedSlots(child.children)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 9 /* IF */:
|
||
|
|
if (hasForwardedSlots(child.branches))
|
||
|
|
return true;
|
||
|
|
break;
|
||
|
|
case 10 /* IF_BRANCH */:
|
||
|
|
case 11 /* FOR */:
|
||
|
|
if (hasForwardedSlots(child.children))
|
||
|
|
return true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function isNonWhitespaceContent(node) {
|
||
|
|
if (node.type !== 2 /* TEXT */ && node.type !== 12 /* TEXT_CALL */)
|
||
|
|
return true;
|
||
|
|
return node.type === 2 /* TEXT */
|
||
|
|
? !!node.content.trim()
|
||
|
|
: isNonWhitespaceContent(node.content);
|
||
|
|
}
|
||
|
|
|
||
|
|
// some directive transforms (e.g. v-model) may return a symbol for runtime
|
||
|
|
// import, which should be used instead of a resolveDirective call.
|
||
|
|
const directiveImportMap = new WeakMap();
|
||
|
|
// generate a JavaScript AST for this element's codegen
|
||
|
|
const transformElement = (node, context) => {
|
||
|
|
// perform the work on exit, after all child expressions have been
|
||
|
|
// processed and merged.
|
||
|
|
return function postTransformElement() {
|
||
|
|
node = context.currentNode;
|
||
|
|
if (!(node.type === 1 /* ELEMENT */ &&
|
||
|
|
(node.tagType === 0 /* ELEMENT */ ||
|
||
|
|
node.tagType === 1 /* COMPONENT */))) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const { tag, props } = node;
|
||
|
|
const isComponent = node.tagType === 1 /* COMPONENT */;
|
||
|
|
// The goal of the transform is to create a codegenNode implementing the
|
||
|
|
// VNodeCall interface.
|
||
|
|
let vnodeTag = isComponent
|
||
|
|
? resolveComponentType(node, context)
|
||
|
|
: `"${tag}"`;
|
||
|
|
const isDynamicComponent = isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
|
||
|
|
let vnodeProps;
|
||
|
|
let vnodeChildren;
|
||
|
|
let vnodePatchFlag;
|
||
|
|
let patchFlag = 0;
|
||
|
|
let vnodeDynamicProps;
|
||
|
|
let dynamicPropNames;
|
||
|
|
let vnodeDirectives;
|
||
|
|
let shouldUseBlock =
|
||
|
|
// dynamic component may resolve to plain elements
|
||
|
|
isDynamicComponent ||
|
||
|
|
vnodeTag === TELEPORT ||
|
||
|
|
vnodeTag === SUSPENSE ||
|
||
|
|
(!isComponent &&
|
||
|
|
// <svg> and <foreignObject> must be forced into blocks so that block
|
||
|
|
// updates inside get proper isSVG flag at runtime. (#639, #643)
|
||
|
|
// This is technically web-specific, but splitting the logic out of core
|
||
|
|
// leads to too much unnecessary complexity.
|
||
|
|
(tag === 'svg' || tag === 'foreignObject'));
|
||
|
|
// props
|
||
|
|
if (props.length > 0) {
|
||
|
|
const propsBuildResult = buildProps(node, context, undefined, isComponent, isDynamicComponent);
|
||
|
|
vnodeProps = propsBuildResult.props;
|
||
|
|
patchFlag = propsBuildResult.patchFlag;
|
||
|
|
dynamicPropNames = propsBuildResult.dynamicPropNames;
|
||
|
|
const directives = propsBuildResult.directives;
|
||
|
|
vnodeDirectives =
|
||
|
|
directives && directives.length
|
||
|
|
? createArrayExpression(directives.map(dir => buildDirectiveArgs(dir, context)))
|
||
|
|
: undefined;
|
||
|
|
if (propsBuildResult.shouldUseBlock) {
|
||
|
|
shouldUseBlock = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// children
|
||
|
|
if (node.children.length > 0) {
|
||
|
|
if (vnodeTag === KEEP_ALIVE) {
|
||
|
|
// Although a built-in component, we compile KeepAlive with raw children
|
||
|
|
// instead of slot functions so that it can be used inside Transition
|
||
|
|
// or other Transition-wrapping HOCs.
|
||
|
|
// To ensure correct updates with block optimizations, we need to:
|
||
|
|
// 1. Force keep-alive into a block. This avoids its children being
|
||
|
|
// collected by a parent block.
|
||
|
|
shouldUseBlock = true;
|
||
|
|
// 2. Force keep-alive to always be updated, since it uses raw children.
|
||
|
|
patchFlag |= 1024 /* DYNAMIC_SLOTS */;
|
||
|
|
if (node.children.length > 1) {
|
||
|
|
context.onError(createCompilerError(45 /* X_KEEP_ALIVE_INVALID_CHILDREN */, {
|
||
|
|
start: node.children[0].loc.start,
|
||
|
|
end: node.children[node.children.length - 1].loc.end,
|
||
|
|
source: ''
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const shouldBuildAsSlots = isComponent &&
|
||
|
|
// Teleport is not a real component and has dedicated runtime handling
|
||
|
|
vnodeTag !== TELEPORT &&
|
||
|
|
// explained above.
|
||
|
|
vnodeTag !== KEEP_ALIVE;
|
||
|
|
if (shouldBuildAsSlots) {
|
||
|
|
const { slots, hasDynamicSlots } = buildSlots(node, context);
|
||
|
|
vnodeChildren = slots;
|
||
|
|
if (hasDynamicSlots) {
|
||
|
|
patchFlag |= 1024 /* DYNAMIC_SLOTS */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (node.children.length === 1 && vnodeTag !== TELEPORT) {
|
||
|
|
const child = node.children[0];
|
||
|
|
const type = child.type;
|
||
|
|
// check for dynamic text children
|
||
|
|
const hasDynamicTextChild = type === 5 /* INTERPOLATION */ ||
|
||
|
|
type === 8 /* COMPOUND_EXPRESSION */;
|
||
|
|
if (hasDynamicTextChild &&
|
||
|
|
getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
|
||
|
|
patchFlag |= 1 /* TEXT */;
|
||
|
|
}
|
||
|
|
// pass directly if the only child is a text node
|
||
|
|
// (plain / interpolation / expression)
|
||
|
|
if (hasDynamicTextChild || type === 2 /* TEXT */) {
|
||
|
|
vnodeChildren = child;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
vnodeChildren = node.children;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
vnodeChildren = node.children;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// patchFlag & dynamicPropNames
|
||
|
|
if (patchFlag !== 0) {
|
||
|
|
{
|
||
|
|
if (patchFlag < 0) {
|
||
|
|
// special flags (negative and mutually exclusive)
|
||
|
|
vnodePatchFlag = patchFlag + ` /* ${PatchFlagNames[patchFlag]} */`;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// bitwise flags
|
||
|
|
const flagNames = Object.keys(PatchFlagNames)
|
||
|
|
.map(Number)
|
||
|
|
.filter(n => n > 0 && patchFlag & n)
|
||
|
|
.map(n => PatchFlagNames[n])
|
||
|
|
.join(`, `);
|
||
|
|
vnodePatchFlag = patchFlag + ` /* ${flagNames} */`;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (dynamicPropNames && dynamicPropNames.length) {
|
||
|
|
vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
node.codegenNode = createVNodeCall(context, vnodeTag, vnodeProps, vnodeChildren, vnodePatchFlag, vnodeDynamicProps, vnodeDirectives, !!shouldUseBlock, false /* disableTracking */, isComponent, node.loc);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
function resolveComponentType(node, context, ssr = false) {
|
||
|
|
let { tag } = node;
|
||
|
|
// 1. dynamic component
|
||
|
|
const isExplicitDynamic = isComponentTag(tag);
|
||
|
|
const isProp = findProp(node, 'is');
|
||
|
|
if (isProp) {
|
||
|
|
if (isExplicitDynamic ||
|
||
|
|
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))) {
|
||
|
|
const exp = isProp.type === 6 /* ATTRIBUTE */
|
||
|
|
? isProp.value && createSimpleExpression(isProp.value.content, true)
|
||
|
|
: isProp.exp;
|
||
|
|
if (exp) {
|
||
|
|
return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
|
||
|
|
exp
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (isProp.type === 6 /* ATTRIBUTE */ &&
|
||
|
|
isProp.value.content.startsWith('vue:')) {
|
||
|
|
// <button is="vue:xxx">
|
||
|
|
// if not <component>, only is value that starts with "vue:" will be
|
||
|
|
// treated as component by the parse phase and reach here, unless it's
|
||
|
|
// compat mode where all is values are considered components
|
||
|
|
tag = isProp.value.content.slice(4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// 1.5 v-is (TODO: Deprecate)
|
||
|
|
const isDir = !isExplicitDynamic && findDir(node, 'is');
|
||
|
|
if (isDir && isDir.exp) {
|
||
|
|
return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
|
||
|
|
isDir.exp
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
// 2. built-in components (Teleport, Transition, KeepAlive, Suspense...)
|
||
|
|
const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
|
||
|
|
if (builtIn) {
|
||
|
|
// built-ins are simply fallthroughs / have special handling during ssr
|
||
|
|
// so we don't need to import their runtime equivalents
|
||
|
|
if (!ssr)
|
||
|
|
context.helper(builtIn);
|
||
|
|
return builtIn;
|
||
|
|
}
|
||
|
|
// 5. user component (resolve)
|
||
|
|
context.helper(RESOLVE_COMPONENT);
|
||
|
|
context.components.add(tag);
|
||
|
|
return toValidAssetId(tag, `component`);
|
||
|
|
}
|
||
|
|
function buildProps(node, context, props = node.props, isComponent, isDynamicComponent, ssr = false) {
|
||
|
|
const { tag, loc: elementLoc, children } = node;
|
||
|
|
let properties = [];
|
||
|
|
const mergeArgs = [];
|
||
|
|
const runtimeDirectives = [];
|
||
|
|
const hasChildren = children.length > 0;
|
||
|
|
let shouldUseBlock = false;
|
||
|
|
// patchFlag analysis
|
||
|
|
let patchFlag = 0;
|
||
|
|
let hasRef = false;
|
||
|
|
let hasClassBinding = false;
|
||
|
|
let hasStyleBinding = false;
|
||
|
|
let hasHydrationEventBinding = false;
|
||
|
|
let hasDynamicKeys = false;
|
||
|
|
let hasVnodeHook = false;
|
||
|
|
const dynamicPropNames = [];
|
||
|
|
const analyzePatchFlag = ({ key, value }) => {
|
||
|
|
if (isStaticExp(key)) {
|
||
|
|
const name = key.content;
|
||
|
|
const isEventHandler = isOn(name);
|
||
|
|
if (isEventHandler &&
|
||
|
|
(!isComponent || isDynamicComponent) &&
|
||
|
|
// omit the flag for click handlers because hydration gives click
|
||
|
|
// dedicated fast path.
|
||
|
|
name.toLowerCase() !== 'onclick' &&
|
||
|
|
// omit v-model handlers
|
||
|
|
name !== 'onUpdate:modelValue' &&
|
||
|
|
// omit onVnodeXXX hooks
|
||
|
|
!isReservedProp(name)) {
|
||
|
|
hasHydrationEventBinding = true;
|
||
|
|
}
|
||
|
|
if (isEventHandler && isReservedProp(name)) {
|
||
|
|
hasVnodeHook = true;
|
||
|
|
}
|
||
|
|
if (value.type === 20 /* JS_CACHE_EXPRESSION */ ||
|
||
|
|
((value.type === 4 /* SIMPLE_EXPRESSION */ ||
|
||
|
|
value.type === 8 /* COMPOUND_EXPRESSION */) &&
|
||
|
|
getConstantType(value, context) > 0)) {
|
||
|
|
// skip if the prop is a cached handler or has constant value
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (name === 'ref') {
|
||
|
|
hasRef = true;
|
||
|
|
}
|
||
|
|
else if (name === 'class') {
|
||
|
|
hasClassBinding = true;
|
||
|
|
}
|
||
|
|
else if (name === 'style') {
|
||
|
|
hasStyleBinding = true;
|
||
|
|
}
|
||
|
|
else if (name !== 'key' && !dynamicPropNames.includes(name)) {
|
||
|
|
dynamicPropNames.push(name);
|
||
|
|
}
|
||
|
|
// treat the dynamic class and style binding of the component as dynamic props
|
||
|
|
if (isComponent &&
|
||
|
|
(name === 'class' || name === 'style') &&
|
||
|
|
!dynamicPropNames.includes(name)) {
|
||
|
|
dynamicPropNames.push(name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
hasDynamicKeys = true;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
for (let i = 0; i < props.length; i++) {
|
||
|
|
// static attribute
|
||
|
|
const prop = props[i];
|
||
|
|
if (prop.type === 6 /* ATTRIBUTE */) {
|
||
|
|
const { loc, name, value } = prop;
|
||
|
|
let isStatic = true;
|
||
|
|
if (name === 'ref') {
|
||
|
|
hasRef = true;
|
||
|
|
if (context.scopes.vFor > 0) {
|
||
|
|
properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// skip is on <component>, or is="vue:xxx"
|
||
|
|
if (name === 'is' &&
|
||
|
|
(isComponentTag(tag) ||
|
||
|
|
(value && value.content.startsWith('vue:')) ||
|
||
|
|
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context)))) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
properties.push(createObjectProperty(createSimpleExpression(name, true, getInnerRange(loc, 0, name.length)), createSimpleExpression(value ? value.content : '', isStatic, value ? value.loc : loc)));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// directives
|
||
|
|
const { name, arg, exp, loc } = prop;
|
||
|
|
const isVBind = name === 'bind';
|
||
|
|
const isVOn = name === 'on';
|
||
|
|
// skip v-slot - it is handled by its dedicated transform.
|
||
|
|
if (name === 'slot') {
|
||
|
|
if (!isComponent) {
|
||
|
|
context.onError(createCompilerError(40 /* X_V_SLOT_MISPLACED */, loc));
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// skip v-once/v-memo - they are handled by dedicated transforms.
|
||
|
|
if (name === 'once' || name === 'memo') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// skip v-is and :is on <component>
|
||
|
|
if (name === 'is' ||
|
||
|
|
(isVBind &&
|
||
|
|
isStaticArgOf(arg, 'is') &&
|
||
|
|
(isComponentTag(tag) ||
|
||
|
|
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))))) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// skip v-on in SSR compilation
|
||
|
|
if (isVOn && ssr) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (
|
||
|
|
// #938: elements with dynamic keys should be forced into blocks
|
||
|
|
(isVBind && isStaticArgOf(arg, 'key')) ||
|
||
|
|
// inline before-update hooks need to force block so that it is invoked
|
||
|
|
// before children
|
||
|
|
(isVOn && hasChildren && isStaticArgOf(arg, 'vue:before-update'))) {
|
||
|
|
shouldUseBlock = true;
|
||
|
|
}
|
||
|
|
if (isVBind && isStaticArgOf(arg, 'ref') && context.scopes.vFor > 0) {
|
||
|
|
properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
|
||
|
|
}
|
||
|
|
// special case for v-bind and v-on with no argument
|
||
|
|
if (!arg && (isVBind || isVOn)) {
|
||
|
|
hasDynamicKeys = true;
|
||
|
|
if (exp) {
|
||
|
|
if (properties.length) {
|
||
|
|
mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
|
||
|
|
properties = [];
|
||
|
|
}
|
||
|
|
if (isVBind) {
|
||
|
|
{
|
||
|
|
// 2.x v-bind object order compat
|
||
|
|
{
|
||
|
|
const hasOverridableKeys = mergeArgs.some(arg => {
|
||
|
|
if (arg.type === 15 /* JS_OBJECT_EXPRESSION */) {
|
||
|
|
return arg.properties.some(({ key }) => {
|
||
|
|
if (key.type !== 4 /* SIMPLE_EXPRESSION */ ||
|
||
|
|
!key.isStatic) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return (key.content !== 'class' &&
|
||
|
|
key.content !== 'style' &&
|
||
|
|
!isOn(key.content));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// dynamic expression
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
if (hasOverridableKeys) {
|
||
|
|
checkCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context, loc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context)) {
|
||
|
|
mergeArgs.unshift(exp);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mergeArgs.push(exp);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// v-on="obj" -> toHandlers(obj)
|
||
|
|
mergeArgs.push({
|
||
|
|
type: 14 /* JS_CALL_EXPRESSION */,
|
||
|
|
loc,
|
||
|
|
callee: context.helper(TO_HANDLERS),
|
||
|
|
arguments: [exp]
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.onError(createCompilerError(isVBind
|
||
|
|
? 34 /* X_V_BIND_NO_EXPRESSION */
|
||
|
|
: 35 /* X_V_ON_NO_EXPRESSION */, loc));
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const directiveTransform = context.directiveTransforms[name];
|
||
|
|
if (directiveTransform) {
|
||
|
|
// has built-in directive transform.
|
||
|
|
const { props, needRuntime } = directiveTransform(prop, node, context);
|
||
|
|
!ssr && props.forEach(analyzePatchFlag);
|
||
|
|
properties.push(...props);
|
||
|
|
if (needRuntime) {
|
||
|
|
runtimeDirectives.push(prop);
|
||
|
|
if (isSymbol(needRuntime)) {
|
||
|
|
directiveImportMap.set(prop, needRuntime);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (!isBuiltInDirective(name)) {
|
||
|
|
// no built-in transform, this is a user custom directive.
|
||
|
|
runtimeDirectives.push(prop);
|
||
|
|
// custom dirs may use beforeUpdate so they need to force blocks
|
||
|
|
// to ensure before-update gets called before children update
|
||
|
|
if (hasChildren) {
|
||
|
|
shouldUseBlock = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let propsExpression = undefined;
|
||
|
|
// has v-bind="object" or v-on="object", wrap with mergeProps
|
||
|
|
if (mergeArgs.length) {
|
||
|
|
if (properties.length) {
|
||
|
|
mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
|
||
|
|
}
|
||
|
|
if (mergeArgs.length > 1) {
|
||
|
|
propsExpression = createCallExpression(context.helper(MERGE_PROPS), mergeArgs, elementLoc);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// single v-bind with nothing else - no need for a mergeProps call
|
||
|
|
propsExpression = mergeArgs[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (properties.length) {
|
||
|
|
propsExpression = createObjectExpression(dedupeProperties(properties), elementLoc);
|
||
|
|
}
|
||
|
|
// patchFlag analysis
|
||
|
|
if (hasDynamicKeys) {
|
||
|
|
patchFlag |= 16 /* FULL_PROPS */;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (hasClassBinding && !isComponent) {
|
||
|
|
patchFlag |= 2 /* CLASS */;
|
||
|
|
}
|
||
|
|
if (hasStyleBinding && !isComponent) {
|
||
|
|
patchFlag |= 4 /* STYLE */;
|
||
|
|
}
|
||
|
|
if (dynamicPropNames.length) {
|
||
|
|
patchFlag |= 8 /* PROPS */;
|
||
|
|
}
|
||
|
|
if (hasHydrationEventBinding) {
|
||
|
|
patchFlag |= 32 /* HYDRATE_EVENTS */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!shouldUseBlock &&
|
||
|
|
(patchFlag === 0 || patchFlag === 32 /* HYDRATE_EVENTS */) &&
|
||
|
|
(hasRef || hasVnodeHook || runtimeDirectives.length > 0)) {
|
||
|
|
patchFlag |= 512 /* NEED_PATCH */;
|
||
|
|
}
|
||
|
|
// pre-normalize props, SSR is skipped for now
|
||
|
|
if (!context.inSSR && propsExpression) {
|
||
|
|
switch (propsExpression.type) {
|
||
|
|
case 15 /* JS_OBJECT_EXPRESSION */:
|
||
|
|
// means that there is no v-bind,
|
||
|
|
// but still need to deal with dynamic key binding
|
||
|
|
let classKeyIndex = -1;
|
||
|
|
let styleKeyIndex = -1;
|
||
|
|
let hasDynamicKey = false;
|
||
|
|
for (let i = 0; i < propsExpression.properties.length; i++) {
|
||
|
|
const key = propsExpression.properties[i].key;
|
||
|
|
if (isStaticExp(key)) {
|
||
|
|
if (key.content === 'class') {
|
||
|
|
classKeyIndex = i;
|
||
|
|
}
|
||
|
|
else if (key.content === 'style') {
|
||
|
|
styleKeyIndex = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (!key.isHandlerKey) {
|
||
|
|
hasDynamicKey = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const classProp = propsExpression.properties[classKeyIndex];
|
||
|
|
const styleProp = propsExpression.properties[styleKeyIndex];
|
||
|
|
// no dynamic key
|
||
|
|
if (!hasDynamicKey) {
|
||
|
|
if (classProp && !isStaticExp(classProp.value)) {
|
||
|
|
classProp.value = createCallExpression(context.helper(NORMALIZE_CLASS), [classProp.value]);
|
||
|
|
}
|
||
|
|
if (styleProp &&
|
||
|
|
// the static style is compiled into an object,
|
||
|
|
// so use `hasStyleBinding` to ensure that it is a dynamic style binding
|
||
|
|
(hasStyleBinding ||
|
||
|
|
(styleProp.value.type === 4 /* SIMPLE_EXPRESSION */ &&
|
||
|
|
styleProp.value.content.trim()[0] === `[`) ||
|
||
|
|
// v-bind:style and style both exist,
|
||
|
|
// v-bind:style with static literal object
|
||
|
|
styleProp.value.type === 17 /* JS_ARRAY_EXPRESSION */)) {
|
||
|
|
styleProp.value = createCallExpression(context.helper(NORMALIZE_STYLE), [styleProp.value]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// dynamic key binding, wrap with `normalizeProps`
|
||
|
|
propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [propsExpression]);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 14 /* JS_CALL_EXPRESSION */:
|
||
|
|
// mergeProps call, do nothing
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
// single v-bind
|
||
|
|
propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [
|
||
|
|
createCallExpression(context.helper(GUARD_REACTIVE_PROPS), [
|
||
|
|
propsExpression
|
||
|
|
])
|
||
|
|
]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: propsExpression,
|
||
|
|
directives: runtimeDirectives,
|
||
|
|
patchFlag,
|
||
|
|
dynamicPropNames,
|
||
|
|
shouldUseBlock
|
||
|
|
};
|
||
|
|
}
|
||
|
|
// Dedupe props in an object literal.
|
||
|
|
// Literal duplicated attributes would have been warned during the parse phase,
|
||
|
|
// however, it's possible to encounter duplicated `onXXX` handlers with different
|
||
|
|
// modifiers. We also need to merge static and dynamic class / style attributes.
|
||
|
|
// - onXXX handlers / style: merge into array
|
||
|
|
// - class: merge into single expression with concatenation
|
||
|
|
function dedupeProperties(properties) {
|
||
|
|
const knownProps = new Map();
|
||
|
|
const deduped = [];
|
||
|
|
for (let i = 0; i < properties.length; i++) {
|
||
|
|
const prop = properties[i];
|
||
|
|
// dynamic keys are always allowed
|
||
|
|
if (prop.key.type === 8 /* COMPOUND_EXPRESSION */ || !prop.key.isStatic) {
|
||
|
|
deduped.push(prop);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
const name = prop.key.content;
|
||
|
|
const existing = knownProps.get(name);
|
||
|
|
if (existing) {
|
||
|
|
if (name === 'style' || name === 'class' || isOn(name)) {
|
||
|
|
mergeAsArray(existing, prop);
|
||
|
|
}
|
||
|
|
// unexpected duplicate, should have emitted error during parse
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
knownProps.set(name, prop);
|
||
|
|
deduped.push(prop);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return deduped;
|
||
|
|
}
|
||
|
|
function mergeAsArray(existing, incoming) {
|
||
|
|
if (existing.value.type === 17 /* JS_ARRAY_EXPRESSION */) {
|
||
|
|
existing.value.elements.push(incoming.value);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
existing.value = createArrayExpression([existing.value, incoming.value], existing.loc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function buildDirectiveArgs(dir, context) {
|
||
|
|
const dirArgs = [];
|
||
|
|
const runtime = directiveImportMap.get(dir);
|
||
|
|
if (runtime) {
|
||
|
|
// built-in directive with runtime
|
||
|
|
dirArgs.push(context.helperString(runtime));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
{
|
||
|
|
// inject statement for resolving directive
|
||
|
|
context.helper(RESOLVE_DIRECTIVE);
|
||
|
|
context.directives.add(dir.name);
|
||
|
|
dirArgs.push(toValidAssetId(dir.name, `directive`));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const { loc } = dir;
|
||
|
|
if (dir.exp)
|
||
|
|
dirArgs.push(dir.exp);
|
||
|
|
if (dir.arg) {
|
||
|
|
if (!dir.exp) {
|
||
|
|
dirArgs.push(`void 0`);
|
||
|
|
}
|
||
|
|
dirArgs.push(dir.arg);
|
||
|
|
}
|
||
|
|
if (Object.keys(dir.modifiers).length) {
|
||
|
|
if (!dir.arg) {
|
||
|
|
if (!dir.exp) {
|
||
|
|
dirArgs.push(`void 0`);
|
||
|
|
}
|
||
|
|
dirArgs.push(`void 0`);
|
||
|
|
}
|
||
|
|
const trueExpression = createSimpleExpression(`true`, false, loc);
|
||
|
|
dirArgs.push(createObjectExpression(dir.modifiers.map(modifier => createObjectProperty(modifier, trueExpression)), loc));
|
||
|
|
}
|
||
|
|
return createArrayExpression(dirArgs, dir.loc);
|
||
|
|
}
|
||
|
|
function stringifyDynamicPropNames(props) {
|
||
|
|
let propsNamesString = `[`;
|
||
|
|
for (let i = 0, l = props.length; i < l; i++) {
|
||
|
|
propsNamesString += JSON.stringify(props[i]);
|
||
|
|
if (i < l - 1)
|
||
|
|
propsNamesString += ', ';
|
||
|
|
}
|
||
|
|
return propsNamesString + `]`;
|
||
|
|
}
|
||
|
|
function isComponentTag(tag) {
|
||
|
|
return tag === 'component' || tag === 'Component';
|
||
|
|
}
|
||
|
|
|
||
|
|
const transformSlotOutlet = (node, context) => {
|
||
|
|
if (isSlotOutlet(node)) {
|
||
|
|
const { children, loc } = node;
|
||
|
|
const { slotName, slotProps } = processSlotOutlet(node, context);
|
||
|
|
const slotArgs = [
|
||
|
|
context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
|
||
|
|
slotName,
|
||
|
|
'{}',
|
||
|
|
'undefined',
|
||
|
|
'true'
|
||
|
|
];
|
||
|
|
let expectedLen = 2;
|
||
|
|
if (slotProps) {
|
||
|
|
slotArgs[2] = slotProps;
|
||
|
|
expectedLen = 3;
|
||
|
|
}
|
||
|
|
if (children.length) {
|
||
|
|
slotArgs[3] = createFunctionExpression([], children, false, false, loc);
|
||
|
|
expectedLen = 4;
|
||
|
|
}
|
||
|
|
if (context.scopeId && !context.slotted) {
|
||
|
|
expectedLen = 5;
|
||
|
|
}
|
||
|
|
slotArgs.splice(expectedLen); // remove unused arguments
|
||
|
|
node.codegenNode = createCallExpression(context.helper(RENDER_SLOT), slotArgs, loc);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function processSlotOutlet(node, context) {
|
||
|
|
let slotName = `"default"`;
|
||
|
|
let slotProps = undefined;
|
||
|
|
const nonNameProps = [];
|
||
|
|
for (let i = 0; i < node.props.length; i++) {
|
||
|
|
const p = node.props[i];
|
||
|
|
if (p.type === 6 /* ATTRIBUTE */) {
|
||
|
|
if (p.value) {
|
||
|
|
if (p.name === 'name') {
|
||
|
|
slotName = JSON.stringify(p.value.content);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
p.name = camelize(p.name);
|
||
|
|
nonNameProps.push(p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (p.name === 'bind' && isStaticArgOf(p.arg, 'name')) {
|
||
|
|
if (p.exp)
|
||
|
|
slotName = p.exp;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (p.name === 'bind' && p.arg && isStaticExp(p.arg)) {
|
||
|
|
p.arg.content = camelize(p.arg.content);
|
||
|
|
}
|
||
|
|
nonNameProps.push(p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (nonNameProps.length > 0) {
|
||
|
|
const { props, directives } = buildProps(node, context, nonNameProps, false, false);
|
||
|
|
slotProps = props;
|
||
|
|
if (directives.length) {
|
||
|
|
context.onError(createCompilerError(36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */, directives[0].loc));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
slotName,
|
||
|
|
slotProps
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
const fnExpRE = /^\s*([\w$_]+|(async\s*)?\([^)]*?\))\s*=>|^\s*(async\s+)?function(?:\s+[\w$]+)?\s*\(/;
|
||
|
|
const transformOn = (dir, node, context, augmentor) => {
|
||
|
|
const { loc, modifiers, arg } = dir;
|
||
|
|
if (!dir.exp && !modifiers.length) {
|
||
|
|
context.onError(createCompilerError(35 /* X_V_ON_NO_EXPRESSION */, loc));
|
||
|
|
}
|
||
|
|
let eventName;
|
||
|
|
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
if (arg.isStatic) {
|
||
|
|
let rawName = arg.content;
|
||
|
|
// TODO deprecate @vnodeXXX usage
|
||
|
|
if (rawName.startsWith('vue:')) {
|
||
|
|
rawName = `vnode-${rawName.slice(4)}`;
|
||
|
|
}
|
||
|
|
// for all event listeners, auto convert it to camelCase. See issue #2249
|
||
|
|
eventName = createSimpleExpression(toHandlerKey(camelize(rawName)), true, arg.loc);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// #2388
|
||
|
|
eventName = createCompoundExpression([
|
||
|
|
`${context.helperString(TO_HANDLER_KEY)}(`,
|
||
|
|
arg,
|
||
|
|
`)`
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// already a compound expression.
|
||
|
|
eventName = arg;
|
||
|
|
eventName.children.unshift(`${context.helperString(TO_HANDLER_KEY)}(`);
|
||
|
|
eventName.children.push(`)`);
|
||
|
|
}
|
||
|
|
// handler processing
|
||
|
|
let exp = dir.exp;
|
||
|
|
if (exp && !exp.content.trim()) {
|
||
|
|
exp = undefined;
|
||
|
|
}
|
||
|
|
let shouldCache = context.cacheHandlers && !exp && !context.inVOnce;
|
||
|
|
if (exp) {
|
||
|
|
const isMemberExp = isMemberExpression(exp.content);
|
||
|
|
const isInlineStatement = !(isMemberExp || fnExpRE.test(exp.content));
|
||
|
|
const hasMultipleStatements = exp.content.includes(`;`);
|
||
|
|
{
|
||
|
|
validateBrowserExpression(exp, context, false, hasMultipleStatements);
|
||
|
|
}
|
||
|
|
if (isInlineStatement || (shouldCache && isMemberExp)) {
|
||
|
|
// wrap inline statement in a function expression
|
||
|
|
exp = createCompoundExpression([
|
||
|
|
`${isInlineStatement
|
||
|
|
? `$event`
|
||
|
|
: `${``}(...args)`} => ${hasMultipleStatements ? `{` : `(`}`,
|
||
|
|
exp,
|
||
|
|
hasMultipleStatements ? `}` : `)`
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let ret = {
|
||
|
|
props: [
|
||
|
|
createObjectProperty(eventName, exp || createSimpleExpression(`() => {}`, false, loc))
|
||
|
|
]
|
||
|
|
};
|
||
|
|
// apply extended compiler augmentor
|
||
|
|
if (augmentor) {
|
||
|
|
ret = augmentor(ret);
|
||
|
|
}
|
||
|
|
if (shouldCache) {
|
||
|
|
// cache handlers so that it's always the same handler being passed down.
|
||
|
|
// this avoids unnecessary re-renders when users use inline handlers on
|
||
|
|
// components.
|
||
|
|
ret.props[0].value = context.cache(ret.props[0].value);
|
||
|
|
}
|
||
|
|
// mark the key as handler for props normalization check
|
||
|
|
ret.props.forEach(p => (p.key.isHandlerKey = true));
|
||
|
|
return ret;
|
||
|
|
};
|
||
|
|
|
||
|
|
// v-bind without arg is handled directly in ./transformElements.ts due to it affecting
|
||
|
|
// codegen for the entire props object. This transform here is only for v-bind
|
||
|
|
// *with* args.
|
||
|
|
const transformBind = (dir, _node, context) => {
|
||
|
|
const { exp, modifiers, loc } = dir;
|
||
|
|
const arg = dir.arg;
|
||
|
|
if (arg.type !== 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
arg.children.unshift(`(`);
|
||
|
|
arg.children.push(`) || ""`);
|
||
|
|
}
|
||
|
|
else if (!arg.isStatic) {
|
||
|
|
arg.content = `${arg.content} || ""`;
|
||
|
|
}
|
||
|
|
// .sync is replaced by v-model:arg
|
||
|
|
if (modifiers.includes('camel')) {
|
||
|
|
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
if (arg.isStatic) {
|
||
|
|
arg.content = camelize(arg.content);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
|
||
|
|
arg.children.push(`)`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!context.inSSR) {
|
||
|
|
if (modifiers.includes('prop')) {
|
||
|
|
injectPrefix(arg, '.');
|
||
|
|
}
|
||
|
|
if (modifiers.includes('attr')) {
|
||
|
|
injectPrefix(arg, '^');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!exp ||
|
||
|
|
(exp.type === 4 /* SIMPLE_EXPRESSION */ && !exp.content.trim())) {
|
||
|
|
context.onError(createCompilerError(34 /* X_V_BIND_NO_EXPRESSION */, loc));
|
||
|
|
return {
|
||
|
|
props: [createObjectProperty(arg, createSimpleExpression('', true, loc))]
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: [createObjectProperty(arg, exp)]
|
||
|
|
};
|
||
|
|
};
|
||
|
|
const injectPrefix = (arg, prefix) => {
|
||
|
|
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
if (arg.isStatic) {
|
||
|
|
arg.content = prefix + arg.content;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
arg.content = `\`${prefix}\${${arg.content}}\``;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
arg.children.unshift(`'${prefix}' + (`);
|
||
|
|
arg.children.push(`)`);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Merge adjacent text nodes and expressions into a single expression
|
||
|
|
// e.g. <div>abc {{ d }} {{ e }}</div> should have a single expression node as child.
|
||
|
|
const transformText = (node, context) => {
|
||
|
|
if (node.type === 0 /* ROOT */ ||
|
||
|
|
node.type === 1 /* ELEMENT */ ||
|
||
|
|
node.type === 11 /* FOR */ ||
|
||
|
|
node.type === 10 /* IF_BRANCH */) {
|
||
|
|
// perform the transform on node exit so that all expressions have already
|
||
|
|
// been processed.
|
||
|
|
return () => {
|
||
|
|
const children = node.children;
|
||
|
|
let currentContainer = undefined;
|
||
|
|
let hasText = false;
|
||
|
|
for (let i = 0; i < children.length; i++) {
|
||
|
|
const child = children[i];
|
||
|
|
if (isText(child)) {
|
||
|
|
hasText = true;
|
||
|
|
for (let j = i + 1; j < children.length; j++) {
|
||
|
|
const next = children[j];
|
||
|
|
if (isText(next)) {
|
||
|
|
if (!currentContainer) {
|
||
|
|
currentContainer = children[i] = createCompoundExpression([child], child.loc);
|
||
|
|
}
|
||
|
|
// merge adjacent text node into current
|
||
|
|
currentContainer.children.push(` + `, next);
|
||
|
|
children.splice(j, 1);
|
||
|
|
j--;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
currentContainer = undefined;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!hasText ||
|
||
|
|
// if this is a plain element with a single text child, leave it
|
||
|
|
// as-is since the runtime has dedicated fast path for this by directly
|
||
|
|
// setting textContent of the element.
|
||
|
|
// for component root it's always normalized anyway.
|
||
|
|
(children.length === 1 &&
|
||
|
|
(node.type === 0 /* ROOT */ ||
|
||
|
|
(node.type === 1 /* ELEMENT */ &&
|
||
|
|
node.tagType === 0 /* ELEMENT */ &&
|
||
|
|
// #3756
|
||
|
|
// custom directives can potentially add DOM elements arbitrarily,
|
||
|
|
// we need to avoid setting textContent of the element at runtime
|
||
|
|
// to avoid accidentally overwriting the DOM elements added
|
||
|
|
// by the user through custom directives.
|
||
|
|
!node.props.find(p => p.type === 7 /* DIRECTIVE */ &&
|
||
|
|
!context.directiveTransforms[p.name]) &&
|
||
|
|
// in compat mode, <template> tags with no special directives
|
||
|
|
// will be rendered as a fragment so its children must be
|
||
|
|
// converted into vnodes.
|
||
|
|
!(node.tag === 'template'))))) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// pre-convert text nodes into createTextVNode(text) calls to avoid
|
||
|
|
// runtime normalization.
|
||
|
|
for (let i = 0; i < children.length; i++) {
|
||
|
|
const child = children[i];
|
||
|
|
if (isText(child) || child.type === 8 /* COMPOUND_EXPRESSION */) {
|
||
|
|
const callArgs = [];
|
||
|
|
// createTextVNode defaults to single whitespace, so if it is a
|
||
|
|
// single space the code could be an empty call to save bytes.
|
||
|
|
if (child.type !== 2 /* TEXT */ || child.content !== ' ') {
|
||
|
|
callArgs.push(child);
|
||
|
|
}
|
||
|
|
// mark dynamic text with flag so it gets patched inside a block
|
||
|
|
if (!context.ssr &&
|
||
|
|
getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
|
||
|
|
callArgs.push(1 /* TEXT */ +
|
||
|
|
(` /* ${PatchFlagNames[1 /* TEXT */]} */` ));
|
||
|
|
}
|
||
|
|
children[i] = {
|
||
|
|
type: 12 /* TEXT_CALL */,
|
||
|
|
content: child,
|
||
|
|
loc: child.loc,
|
||
|
|
codegenNode: createCallExpression(context.helper(CREATE_TEXT), callArgs)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
const seen = new WeakSet();
|
||
|
|
const transformOnce = (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */ && findDir(node, 'once', true)) {
|
||
|
|
if (seen.has(node) || context.inVOnce) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
seen.add(node);
|
||
|
|
context.inVOnce = true;
|
||
|
|
context.helper(SET_BLOCK_TRACKING);
|
||
|
|
return () => {
|
||
|
|
context.inVOnce = false;
|
||
|
|
const cur = context.currentNode;
|
||
|
|
if (cur.codegenNode) {
|
||
|
|
cur.codegenNode = context.cache(cur.codegenNode, true /* isVNode */);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformModel = (dir, node, context) => {
|
||
|
|
const { exp, arg } = dir;
|
||
|
|
if (!exp) {
|
||
|
|
context.onError(createCompilerError(41 /* X_V_MODEL_NO_EXPRESSION */, dir.loc));
|
||
|
|
return createTransformProps();
|
||
|
|
}
|
||
|
|
const rawExp = exp.loc.source;
|
||
|
|
const expString = exp.type === 4 /* SIMPLE_EXPRESSION */ ? exp.content : rawExp;
|
||
|
|
// im SFC <script setup> inline mode, the exp may have been transformed into
|
||
|
|
// _unref(exp)
|
||
|
|
context.bindingMetadata[rawExp];
|
||
|
|
const maybeRef = !true /* SETUP_CONST */;
|
||
|
|
if (!expString.trim() ||
|
||
|
|
(!isMemberExpression(expString) && !maybeRef)) {
|
||
|
|
context.onError(createCompilerError(42 /* X_V_MODEL_MALFORMED_EXPRESSION */, exp.loc));
|
||
|
|
return createTransformProps();
|
||
|
|
}
|
||
|
|
const propName = arg ? arg : createSimpleExpression('modelValue', true);
|
||
|
|
const eventName = arg
|
||
|
|
? isStaticExp(arg)
|
||
|
|
? `onUpdate:${arg.content}`
|
||
|
|
: createCompoundExpression(['"onUpdate:" + ', arg])
|
||
|
|
: `onUpdate:modelValue`;
|
||
|
|
let assignmentExp;
|
||
|
|
const eventArg = context.isTS ? `($event: any)` : `$event`;
|
||
|
|
{
|
||
|
|
assignmentExp = createCompoundExpression([
|
||
|
|
`${eventArg} => ((`,
|
||
|
|
exp,
|
||
|
|
`) = $event)`
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
const props = [
|
||
|
|
// modelValue: foo
|
||
|
|
createObjectProperty(propName, dir.exp),
|
||
|
|
// "onUpdate:modelValue": $event => (foo = $event)
|
||
|
|
createObjectProperty(eventName, assignmentExp)
|
||
|
|
];
|
||
|
|
// modelModifiers: { foo: true, "bar-baz": true }
|
||
|
|
if (dir.modifiers.length && node.tagType === 1 /* COMPONENT */) {
|
||
|
|
const modifiers = dir.modifiers
|
||
|
|
.map(m => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`)
|
||
|
|
.join(`, `);
|
||
|
|
const modifiersKey = arg
|
||
|
|
? isStaticExp(arg)
|
||
|
|
? `${arg.content}Modifiers`
|
||
|
|
: createCompoundExpression([arg, ' + "Modifiers"'])
|
||
|
|
: `modelModifiers`;
|
||
|
|
props.push(createObjectProperty(modifiersKey, createSimpleExpression(`{ ${modifiers} }`, false, dir.loc, 2 /* CAN_HOIST */)));
|
||
|
|
}
|
||
|
|
return createTransformProps(props);
|
||
|
|
};
|
||
|
|
function createTransformProps(props = []) {
|
||
|
|
return { props };
|
||
|
|
}
|
||
|
|
|
||
|
|
const validDivisionCharRE = /[\w).+\-_$\]]/;
|
||
|
|
const transformFilter = (node, context) => {
|
||
|
|
if (!isCompatEnabled("COMPILER_FILTER" /* COMPILER_FILTERS */, context)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (node.type === 5 /* INTERPOLATION */) {
|
||
|
|
// filter rewrite is applied before expression transform so only
|
||
|
|
// simple expressions are possible at this stage
|
||
|
|
rewriteFilter(node.content, context);
|
||
|
|
}
|
||
|
|
if (node.type === 1 /* ELEMENT */) {
|
||
|
|
node.props.forEach((prop) => {
|
||
|
|
if (prop.type === 7 /* DIRECTIVE */ &&
|
||
|
|
prop.name !== 'for' &&
|
||
|
|
prop.exp) {
|
||
|
|
rewriteFilter(prop.exp, context);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function rewriteFilter(node, context) {
|
||
|
|
if (node.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
parseFilter(node, context);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
for (let i = 0; i < node.children.length; i++) {
|
||
|
|
const child = node.children[i];
|
||
|
|
if (typeof child !== 'object')
|
||
|
|
continue;
|
||
|
|
if (child.type === 4 /* SIMPLE_EXPRESSION */) {
|
||
|
|
parseFilter(child, context);
|
||
|
|
}
|
||
|
|
else if (child.type === 8 /* COMPOUND_EXPRESSION */) {
|
||
|
|
rewriteFilter(node, context);
|
||
|
|
}
|
||
|
|
else if (child.type === 5 /* INTERPOLATION */) {
|
||
|
|
rewriteFilter(child.content, context);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function parseFilter(node, context) {
|
||
|
|
const exp = node.content;
|
||
|
|
let inSingle = false;
|
||
|
|
let inDouble = false;
|
||
|
|
let inTemplateString = false;
|
||
|
|
let inRegex = false;
|
||
|
|
let curly = 0;
|
||
|
|
let square = 0;
|
||
|
|
let paren = 0;
|
||
|
|
let lastFilterIndex = 0;
|
||
|
|
let c, prev, i, expression, filters = [];
|
||
|
|
for (i = 0; i < exp.length; i++) {
|
||
|
|
prev = c;
|
||
|
|
c = exp.charCodeAt(i);
|
||
|
|
if (inSingle) {
|
||
|
|
if (c === 0x27 && prev !== 0x5c)
|
||
|
|
inSingle = false;
|
||
|
|
}
|
||
|
|
else if (inDouble) {
|
||
|
|
if (c === 0x22 && prev !== 0x5c)
|
||
|
|
inDouble = false;
|
||
|
|
}
|
||
|
|
else if (inTemplateString) {
|
||
|
|
if (c === 0x60 && prev !== 0x5c)
|
||
|
|
inTemplateString = false;
|
||
|
|
}
|
||
|
|
else if (inRegex) {
|
||
|
|
if (c === 0x2f && prev !== 0x5c)
|
||
|
|
inRegex = false;
|
||
|
|
}
|
||
|
|
else if (c === 0x7c && // pipe
|
||
|
|
exp.charCodeAt(i + 1) !== 0x7c &&
|
||
|
|
exp.charCodeAt(i - 1) !== 0x7c &&
|
||
|
|
!curly &&
|
||
|
|
!square &&
|
||
|
|
!paren) {
|
||
|
|
if (expression === undefined) {
|
||
|
|
// first filter, end of expression
|
||
|
|
lastFilterIndex = i + 1;
|
||
|
|
expression = exp.slice(0, i).trim();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
pushFilter();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
switch (c) {
|
||
|
|
case 0x22:
|
||
|
|
inDouble = true;
|
||
|
|
break; // "
|
||
|
|
case 0x27:
|
||
|
|
inSingle = true;
|
||
|
|
break; // '
|
||
|
|
case 0x60:
|
||
|
|
inTemplateString = true;
|
||
|
|
break; // `
|
||
|
|
case 0x28:
|
||
|
|
paren++;
|
||
|
|
break; // (
|
||
|
|
case 0x29:
|
||
|
|
paren--;
|
||
|
|
break; // )
|
||
|
|
case 0x5b:
|
||
|
|
square++;
|
||
|
|
break; // [
|
||
|
|
case 0x5d:
|
||
|
|
square--;
|
||
|
|
break; // ]
|
||
|
|
case 0x7b:
|
||
|
|
curly++;
|
||
|
|
break; // {
|
||
|
|
case 0x7d:
|
||
|
|
curly--;
|
||
|
|
break; // }
|
||
|
|
}
|
||
|
|
if (c === 0x2f) {
|
||
|
|
// /
|
||
|
|
let j = i - 1;
|
||
|
|
let p;
|
||
|
|
// find first non-whitespace prev char
|
||
|
|
for (; j >= 0; j--) {
|
||
|
|
p = exp.charAt(j);
|
||
|
|
if (p !== ' ')
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (!p || !validDivisionCharRE.test(p)) {
|
||
|
|
inRegex = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (expression === undefined) {
|
||
|
|
expression = exp.slice(0, i).trim();
|
||
|
|
}
|
||
|
|
else if (lastFilterIndex !== 0) {
|
||
|
|
pushFilter();
|
||
|
|
}
|
||
|
|
function pushFilter() {
|
||
|
|
filters.push(exp.slice(lastFilterIndex, i).trim());
|
||
|
|
lastFilterIndex = i + 1;
|
||
|
|
}
|
||
|
|
if (filters.length) {
|
||
|
|
warnDeprecation("COMPILER_FILTER" /* COMPILER_FILTERS */, context, node.loc);
|
||
|
|
for (i = 0; i < filters.length; i++) {
|
||
|
|
expression = wrapFilter(expression, filters[i], context);
|
||
|
|
}
|
||
|
|
node.content = expression;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function wrapFilter(exp, filter, context) {
|
||
|
|
context.helper(RESOLVE_FILTER);
|
||
|
|
const i = filter.indexOf('(');
|
||
|
|
if (i < 0) {
|
||
|
|
context.filters.add(filter);
|
||
|
|
return `${toValidAssetId(filter, 'filter')}(${exp})`;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
const name = filter.slice(0, i);
|
||
|
|
const args = filter.slice(i + 1);
|
||
|
|
context.filters.add(name);
|
||
|
|
return `${toValidAssetId(name, 'filter')}(${exp}${args !== ')' ? ',' + args : args}`;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const seen$1 = new WeakSet();
|
||
|
|
const transformMemo = (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */) {
|
||
|
|
const dir = findDir(node, 'memo');
|
||
|
|
if (!dir || seen$1.has(node)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
seen$1.add(node);
|
||
|
|
return () => {
|
||
|
|
const codegenNode = node.codegenNode ||
|
||
|
|
context.currentNode.codegenNode;
|
||
|
|
if (codegenNode && codegenNode.type === 13 /* VNODE_CALL */) {
|
||
|
|
// non-component sub tree should be turned into a block
|
||
|
|
if (node.tagType !== 1 /* COMPONENT */) {
|
||
|
|
makeBlock(codegenNode, context);
|
||
|
|
}
|
||
|
|
node.codegenNode = createCallExpression(context.helper(WITH_MEMO), [
|
||
|
|
dir.exp,
|
||
|
|
createFunctionExpression(undefined, codegenNode),
|
||
|
|
`_cache`,
|
||
|
|
String(context.cached++)
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function getBaseTransformPreset(prefixIdentifiers) {
|
||
|
|
return [
|
||
|
|
[
|
||
|
|
transformOnce,
|
||
|
|
transformIf,
|
||
|
|
transformMemo,
|
||
|
|
transformFor,
|
||
|
|
...([transformFilter] ),
|
||
|
|
...([transformExpression]
|
||
|
|
),
|
||
|
|
transformSlotOutlet,
|
||
|
|
transformElement,
|
||
|
|
trackSlotScopes,
|
||
|
|
transformText
|
||
|
|
],
|
||
|
|
{
|
||
|
|
on: transformOn,
|
||
|
|
bind: transformBind,
|
||
|
|
model: transformModel
|
||
|
|
}
|
||
|
|
];
|
||
|
|
}
|
||
|
|
// we name it `baseCompile` so that higher order compilers like
|
||
|
|
// @vue/compiler-dom can export `compile` while re-exporting everything else.
|
||
|
|
function baseCompile(template, options = {}) {
|
||
|
|
const onError = options.onError || defaultOnError;
|
||
|
|
const isModuleMode = options.mode === 'module';
|
||
|
|
/* istanbul ignore if */
|
||
|
|
{
|
||
|
|
if (options.prefixIdentifiers === true) {
|
||
|
|
onError(createCompilerError(46 /* X_PREFIX_ID_NOT_SUPPORTED */));
|
||
|
|
}
|
||
|
|
else if (isModuleMode) {
|
||
|
|
onError(createCompilerError(47 /* X_MODULE_MODE_NOT_SUPPORTED */));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const prefixIdentifiers = !true ;
|
||
|
|
if (options.cacheHandlers) {
|
||
|
|
onError(createCompilerError(48 /* X_CACHE_HANDLER_NOT_SUPPORTED */));
|
||
|
|
}
|
||
|
|
if (options.scopeId && !isModuleMode) {
|
||
|
|
onError(createCompilerError(49 /* X_SCOPE_ID_NOT_SUPPORTED */));
|
||
|
|
}
|
||
|
|
const ast = isString(template) ? baseParse(template, options) : template;
|
||
|
|
const [nodeTransforms, directiveTransforms] = getBaseTransformPreset();
|
||
|
|
transform(ast, extend({}, options, {
|
||
|
|
prefixIdentifiers,
|
||
|
|
nodeTransforms: [
|
||
|
|
...nodeTransforms,
|
||
|
|
...(options.nodeTransforms || []) // user transforms
|
||
|
|
],
|
||
|
|
directiveTransforms: extend({}, directiveTransforms, options.directiveTransforms || {} // user transforms
|
||
|
|
)
|
||
|
|
}));
|
||
|
|
return generate(ast, extend({}, options, {
|
||
|
|
prefixIdentifiers
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
|
||
|
|
const noopDirectiveTransform = () => ({ props: [] });
|
||
|
|
|
||
|
|
const V_MODEL_RADIO = Symbol(`vModelRadio` );
|
||
|
|
const V_MODEL_CHECKBOX = Symbol(`vModelCheckbox` );
|
||
|
|
const V_MODEL_TEXT = Symbol(`vModelText` );
|
||
|
|
const V_MODEL_SELECT = Symbol(`vModelSelect` );
|
||
|
|
const V_MODEL_DYNAMIC = Symbol(`vModelDynamic` );
|
||
|
|
const V_ON_WITH_MODIFIERS = Symbol(`vOnModifiersGuard` );
|
||
|
|
const V_ON_WITH_KEYS = Symbol(`vOnKeysGuard` );
|
||
|
|
const V_SHOW = Symbol(`vShow` );
|
||
|
|
const TRANSITION = Symbol(`Transition` );
|
||
|
|
const TRANSITION_GROUP = Symbol(`TransitionGroup` );
|
||
|
|
registerRuntimeHelpers({
|
||
|
|
[V_MODEL_RADIO]: `vModelRadio`,
|
||
|
|
[V_MODEL_CHECKBOX]: `vModelCheckbox`,
|
||
|
|
[V_MODEL_TEXT]: `vModelText`,
|
||
|
|
[V_MODEL_SELECT]: `vModelSelect`,
|
||
|
|
[V_MODEL_DYNAMIC]: `vModelDynamic`,
|
||
|
|
[V_ON_WITH_MODIFIERS]: `withModifiers`,
|
||
|
|
[V_ON_WITH_KEYS]: `withKeys`,
|
||
|
|
[V_SHOW]: `vShow`,
|
||
|
|
[TRANSITION]: `Transition`,
|
||
|
|
[TRANSITION_GROUP]: `TransitionGroup`
|
||
|
|
});
|
||
|
|
|
||
|
|
/* eslint-disable no-restricted-globals */
|
||
|
|
let decoder;
|
||
|
|
function decodeHtmlBrowser(raw, asAttr = false) {
|
||
|
|
if (!decoder) {
|
||
|
|
decoder = document.createElement('div');
|
||
|
|
}
|
||
|
|
if (asAttr) {
|
||
|
|
decoder.innerHTML = `<div foo="${raw.replace(/"/g, '"')}">`;
|
||
|
|
return decoder.children[0].getAttribute('foo');
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
decoder.innerHTML = raw;
|
||
|
|
return decoder.textContent;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const isRawTextContainer = /*#__PURE__*/ makeMap('style,iframe,script,noscript', true);
|
||
|
|
const parserOptions = {
|
||
|
|
isVoidTag,
|
||
|
|
isNativeTag: tag => isHTMLTag(tag) || isSVGTag(tag),
|
||
|
|
isPreTag: tag => tag === 'pre',
|
||
|
|
decodeEntities: decodeHtmlBrowser ,
|
||
|
|
isBuiltInComponent: (tag) => {
|
||
|
|
if (isBuiltInType(tag, `Transition`)) {
|
||
|
|
return TRANSITION;
|
||
|
|
}
|
||
|
|
else if (isBuiltInType(tag, `TransitionGroup`)) {
|
||
|
|
return TRANSITION_GROUP;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
|
||
|
|
getNamespace(tag, parent) {
|
||
|
|
let ns = parent ? parent.ns : 0 /* HTML */;
|
||
|
|
if (parent && ns === 2 /* MATH_ML */) {
|
||
|
|
if (parent.tag === 'annotation-xml') {
|
||
|
|
if (tag === 'svg') {
|
||
|
|
return 1 /* SVG */;
|
||
|
|
}
|
||
|
|
if (parent.props.some(a => a.type === 6 /* ATTRIBUTE */ &&
|
||
|
|
a.name === 'encoding' &&
|
||
|
|
a.value != null &&
|
||
|
|
(a.value.content === 'text/html' ||
|
||
|
|
a.value.content === 'application/xhtml+xml'))) {
|
||
|
|
ns = 0 /* HTML */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (/^m(?:[ions]|text)$/.test(parent.tag) &&
|
||
|
|
tag !== 'mglyph' &&
|
||
|
|
tag !== 'malignmark') {
|
||
|
|
ns = 0 /* HTML */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (parent && ns === 1 /* SVG */) {
|
||
|
|
if (parent.tag === 'foreignObject' ||
|
||
|
|
parent.tag === 'desc' ||
|
||
|
|
parent.tag === 'title') {
|
||
|
|
ns = 0 /* HTML */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ns === 0 /* HTML */) {
|
||
|
|
if (tag === 'svg') {
|
||
|
|
return 1 /* SVG */;
|
||
|
|
}
|
||
|
|
if (tag === 'math') {
|
||
|
|
return 2 /* MATH_ML */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ns;
|
||
|
|
},
|
||
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments
|
||
|
|
getTextMode({ tag, ns }) {
|
||
|
|
if (ns === 0 /* HTML */) {
|
||
|
|
if (tag === 'textarea' || tag === 'title') {
|
||
|
|
return 1 /* RCDATA */;
|
||
|
|
}
|
||
|
|
if (isRawTextContainer(tag)) {
|
||
|
|
return 2 /* RAWTEXT */;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0 /* DATA */;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Parse inline CSS strings for static style attributes into an object.
|
||
|
|
// This is a NodeTransform since it works on the static `style` attribute and
|
||
|
|
// converts it into a dynamic equivalent:
|
||
|
|
// style="color: red" -> :style='{ "color": "red" }'
|
||
|
|
// It is then processed by `transformElement` and included in the generated
|
||
|
|
// props.
|
||
|
|
const transformStyle = node => {
|
||
|
|
if (node.type === 1 /* ELEMENT */) {
|
||
|
|
node.props.forEach((p, i) => {
|
||
|
|
if (p.type === 6 /* ATTRIBUTE */ && p.name === 'style' && p.value) {
|
||
|
|
// replace p with an expression node
|
||
|
|
node.props[i] = {
|
||
|
|
type: 7 /* DIRECTIVE */,
|
||
|
|
name: `bind`,
|
||
|
|
arg: createSimpleExpression(`style`, true, p.loc),
|
||
|
|
exp: parseInlineCSS(p.value.content, p.loc),
|
||
|
|
modifiers: [],
|
||
|
|
loc: p.loc
|
||
|
|
};
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
const parseInlineCSS = (cssText, loc) => {
|
||
|
|
const normalized = parseStringStyle(cssText);
|
||
|
|
return createSimpleExpression(JSON.stringify(normalized), false, loc, 3 /* CAN_STRINGIFY */);
|
||
|
|
};
|
||
|
|
|
||
|
|
function createDOMCompilerError(code, loc) {
|
||
|
|
return createCompilerError(code, loc, DOMErrorMessages );
|
||
|
|
}
|
||
|
|
const DOMErrorMessages = {
|
||
|
|
[50 /* X_V_HTML_NO_EXPRESSION */]: `v-html is missing expression.`,
|
||
|
|
[51 /* X_V_HTML_WITH_CHILDREN */]: `v-html will override element children.`,
|
||
|
|
[52 /* X_V_TEXT_NO_EXPRESSION */]: `v-text is missing expression.`,
|
||
|
|
[53 /* X_V_TEXT_WITH_CHILDREN */]: `v-text will override element children.`,
|
||
|
|
[54 /* X_V_MODEL_ON_INVALID_ELEMENT */]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
|
||
|
|
[55 /* X_V_MODEL_ARG_ON_ELEMENT */]: `v-model argument is not supported on plain elements.`,
|
||
|
|
[56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
|
||
|
|
[57 /* X_V_MODEL_UNNECESSARY_VALUE */]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
|
||
|
|
[58 /* X_V_SHOW_NO_EXPRESSION */]: `v-show is missing expression.`,
|
||
|
|
[59 /* X_TRANSITION_INVALID_CHILDREN */]: `<Transition> expects exactly one child element or component.`,
|
||
|
|
[60 /* X_IGNORED_SIDE_EFFECT_TAG */]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformVHtml = (dir, node, context) => {
|
||
|
|
const { exp, loc } = dir;
|
||
|
|
if (!exp) {
|
||
|
|
context.onError(createDOMCompilerError(50 /* X_V_HTML_NO_EXPRESSION */, loc));
|
||
|
|
}
|
||
|
|
if (node.children.length) {
|
||
|
|
context.onError(createDOMCompilerError(51 /* X_V_HTML_WITH_CHILDREN */, loc));
|
||
|
|
node.children.length = 0;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: [
|
||
|
|
createObjectProperty(createSimpleExpression(`innerHTML`, true, loc), exp || createSimpleExpression('', true))
|
||
|
|
]
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformVText = (dir, node, context) => {
|
||
|
|
const { exp, loc } = dir;
|
||
|
|
if (!exp) {
|
||
|
|
context.onError(createDOMCompilerError(52 /* X_V_TEXT_NO_EXPRESSION */, loc));
|
||
|
|
}
|
||
|
|
if (node.children.length) {
|
||
|
|
context.onError(createDOMCompilerError(53 /* X_V_TEXT_WITH_CHILDREN */, loc));
|
||
|
|
node.children.length = 0;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: [
|
||
|
|
createObjectProperty(createSimpleExpression(`textContent`, true), exp
|
||
|
|
? getConstantType(exp, context) > 0
|
||
|
|
? exp
|
||
|
|
: createCallExpression(context.helperString(TO_DISPLAY_STRING), [exp], loc)
|
||
|
|
: createSimpleExpression('', true))
|
||
|
|
]
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformModel$1 = (dir, node, context) => {
|
||
|
|
const baseResult = transformModel(dir, node, context);
|
||
|
|
// base transform has errors OR component v-model (only need props)
|
||
|
|
if (!baseResult.props.length || node.tagType === 1 /* COMPONENT */) {
|
||
|
|
return baseResult;
|
||
|
|
}
|
||
|
|
if (dir.arg) {
|
||
|
|
context.onError(createDOMCompilerError(55 /* X_V_MODEL_ARG_ON_ELEMENT */, dir.arg.loc));
|
||
|
|
}
|
||
|
|
function checkDuplicatedValue() {
|
||
|
|
const value = findProp(node, 'value');
|
||
|
|
if (value) {
|
||
|
|
context.onError(createDOMCompilerError(57 /* X_V_MODEL_UNNECESSARY_VALUE */, value.loc));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const { tag } = node;
|
||
|
|
const isCustomElement = context.isCustomElement(tag);
|
||
|
|
if (tag === 'input' ||
|
||
|
|
tag === 'textarea' ||
|
||
|
|
tag === 'select' ||
|
||
|
|
isCustomElement) {
|
||
|
|
let directiveToUse = V_MODEL_TEXT;
|
||
|
|
let isInvalidType = false;
|
||
|
|
if (tag === 'input' || isCustomElement) {
|
||
|
|
const type = findProp(node, `type`);
|
||
|
|
if (type) {
|
||
|
|
if (type.type === 7 /* DIRECTIVE */) {
|
||
|
|
// :type="foo"
|
||
|
|
directiveToUse = V_MODEL_DYNAMIC;
|
||
|
|
}
|
||
|
|
else if (type.value) {
|
||
|
|
switch (type.value.content) {
|
||
|
|
case 'radio':
|
||
|
|
directiveToUse = V_MODEL_RADIO;
|
||
|
|
break;
|
||
|
|
case 'checkbox':
|
||
|
|
directiveToUse = V_MODEL_CHECKBOX;
|
||
|
|
break;
|
||
|
|
case 'file':
|
||
|
|
isInvalidType = true;
|
||
|
|
context.onError(createDOMCompilerError(56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */, dir.loc));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
// text type
|
||
|
|
checkDuplicatedValue();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (hasDynamicKeyVBind(node)) {
|
||
|
|
// element has bindings with dynamic keys, which can possibly contain
|
||
|
|
// "type".
|
||
|
|
directiveToUse = V_MODEL_DYNAMIC;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// text type
|
||
|
|
checkDuplicatedValue();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (tag === 'select') {
|
||
|
|
directiveToUse = V_MODEL_SELECT;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// textarea
|
||
|
|
checkDuplicatedValue();
|
||
|
|
}
|
||
|
|
// inject runtime directive
|
||
|
|
// by returning the helper symbol via needRuntime
|
||
|
|
// the import will replaced a resolveDirective call.
|
||
|
|
if (!isInvalidType) {
|
||
|
|
baseResult.needRuntime = context.helper(directiveToUse);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
context.onError(createDOMCompilerError(54 /* X_V_MODEL_ON_INVALID_ELEMENT */, dir.loc));
|
||
|
|
}
|
||
|
|
// native vmodel doesn't need the `modelValue` props since they are also
|
||
|
|
// passed to the runtime as `binding.value`. removing it reduces code size.
|
||
|
|
baseResult.props = baseResult.props.filter(p => !(p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
|
||
|
|
p.key.content === 'modelValue'));
|
||
|
|
return baseResult;
|
||
|
|
};
|
||
|
|
|
||
|
|
const isEventOptionModifier = /*#__PURE__*/ makeMap(`passive,once,capture`);
|
||
|
|
const isNonKeyModifier = /*#__PURE__*/ makeMap(
|
||
|
|
// event propagation management
|
||
|
|
`stop,prevent,self,` +
|
||
|
|
// system modifiers + exact
|
||
|
|
`ctrl,shift,alt,meta,exact,` +
|
||
|
|
// mouse
|
||
|
|
`middle`);
|
||
|
|
// left & right could be mouse or key modifiers based on event type
|
||
|
|
const maybeKeyModifier = /*#__PURE__*/ makeMap('left,right');
|
||
|
|
const isKeyboardEvent = /*#__PURE__*/ makeMap(`onkeyup,onkeydown,onkeypress`, true);
|
||
|
|
const resolveModifiers = (key, modifiers, context, loc) => {
|
||
|
|
const keyModifiers = [];
|
||
|
|
const nonKeyModifiers = [];
|
||
|
|
const eventOptionModifiers = [];
|
||
|
|
for (let i = 0; i < modifiers.length; i++) {
|
||
|
|
const modifier = modifiers[i];
|
||
|
|
if (modifier === 'native' &&
|
||
|
|
checkCompatEnabled("COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */, context, loc)) {
|
||
|
|
eventOptionModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
else if (isEventOptionModifier(modifier)) {
|
||
|
|
// eventOptionModifiers: modifiers for addEventListener() options,
|
||
|
|
// e.g. .passive & .capture
|
||
|
|
eventOptionModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// runtimeModifiers: modifiers that needs runtime guards
|
||
|
|
if (maybeKeyModifier(modifier)) {
|
||
|
|
if (isStaticExp(key)) {
|
||
|
|
if (isKeyboardEvent(key.content)) {
|
||
|
|
keyModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
nonKeyModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
keyModifiers.push(modifier);
|
||
|
|
nonKeyModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (isNonKeyModifier(modifier)) {
|
||
|
|
nonKeyModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
keyModifiers.push(modifier);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
keyModifiers,
|
||
|
|
nonKeyModifiers,
|
||
|
|
eventOptionModifiers
|
||
|
|
};
|
||
|
|
};
|
||
|
|
const transformClick = (key, event) => {
|
||
|
|
const isStaticClick = isStaticExp(key) && key.content.toLowerCase() === 'onclick';
|
||
|
|
return isStaticClick
|
||
|
|
? createSimpleExpression(event, true)
|
||
|
|
: key.type !== 4 /* SIMPLE_EXPRESSION */
|
||
|
|
? createCompoundExpression([
|
||
|
|
`(`,
|
||
|
|
key,
|
||
|
|
`) === "onClick" ? "${event}" : (`,
|
||
|
|
key,
|
||
|
|
`)`
|
||
|
|
])
|
||
|
|
: key;
|
||
|
|
};
|
||
|
|
const transformOn$1 = (dir, node, context) => {
|
||
|
|
return transformOn(dir, node, context, baseResult => {
|
||
|
|
const { modifiers } = dir;
|
||
|
|
if (!modifiers.length)
|
||
|
|
return baseResult;
|
||
|
|
let { key, value: handlerExp } = baseResult.props[0];
|
||
|
|
const { keyModifiers, nonKeyModifiers, eventOptionModifiers } = resolveModifiers(key, modifiers, context, dir.loc);
|
||
|
|
// normalize click.right and click.middle since they don't actually fire
|
||
|
|
if (nonKeyModifiers.includes('right')) {
|
||
|
|
key = transformClick(key, `onContextmenu`);
|
||
|
|
}
|
||
|
|
if (nonKeyModifiers.includes('middle')) {
|
||
|
|
key = transformClick(key, `onMouseup`);
|
||
|
|
}
|
||
|
|
if (nonKeyModifiers.length) {
|
||
|
|
handlerExp = createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
|
||
|
|
handlerExp,
|
||
|
|
JSON.stringify(nonKeyModifiers)
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
if (keyModifiers.length &&
|
||
|
|
// if event name is dynamic, always wrap with keys guard
|
||
|
|
(!isStaticExp(key) || isKeyboardEvent(key.content))) {
|
||
|
|
handlerExp = createCallExpression(context.helper(V_ON_WITH_KEYS), [
|
||
|
|
handlerExp,
|
||
|
|
JSON.stringify(keyModifiers)
|
||
|
|
]);
|
||
|
|
}
|
||
|
|
if (eventOptionModifiers.length) {
|
||
|
|
const modifierPostfix = eventOptionModifiers.map(capitalize).join('');
|
||
|
|
key = isStaticExp(key)
|
||
|
|
? createSimpleExpression(`${key.content}${modifierPostfix}`, true)
|
||
|
|
: createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`]);
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: [createObjectProperty(key, handlerExp)]
|
||
|
|
};
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformShow = (dir, node, context) => {
|
||
|
|
const { exp, loc } = dir;
|
||
|
|
if (!exp) {
|
||
|
|
context.onError(createDOMCompilerError(58 /* X_V_SHOW_NO_EXPRESSION */, loc));
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
props: [],
|
||
|
|
needRuntime: context.helper(V_SHOW)
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
const transformTransition = (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */ &&
|
||
|
|
node.tagType === 1 /* COMPONENT */) {
|
||
|
|
const component = context.isBuiltInComponent(node.tag);
|
||
|
|
if (component === TRANSITION) {
|
||
|
|
return () => {
|
||
|
|
if (!node.children.length) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// warn multiple transition children
|
||
|
|
if (hasMultipleChildren(node)) {
|
||
|
|
context.onError(createDOMCompilerError(59 /* X_TRANSITION_INVALID_CHILDREN */, {
|
||
|
|
start: node.children[0].loc.start,
|
||
|
|
end: node.children[node.children.length - 1].loc.end,
|
||
|
|
source: ''
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
// check if it's s single child w/ v-show
|
||
|
|
// if yes, inject "persisted: true" to the transition props
|
||
|
|
const child = node.children[0];
|
||
|
|
if (child.type === 1 /* ELEMENT */) {
|
||
|
|
for (const p of child.props) {
|
||
|
|
if (p.type === 7 /* DIRECTIVE */ && p.name === 'show') {
|
||
|
|
node.props.push({
|
||
|
|
type: 6 /* ATTRIBUTE */,
|
||
|
|
name: 'persisted',
|
||
|
|
value: undefined,
|
||
|
|
loc: node.loc
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function hasMultipleChildren(node) {
|
||
|
|
// #1352 filter out potential comment nodes.
|
||
|
|
const children = (node.children = node.children.filter(c => c.type !== 3 /* COMMENT */ &&
|
||
|
|
!(c.type === 2 /* TEXT */ && !c.content.trim())));
|
||
|
|
const child = children[0];
|
||
|
|
return (children.length !== 1 ||
|
||
|
|
child.type === 11 /* FOR */ ||
|
||
|
|
(child.type === 9 /* IF */ && child.branches.some(hasMultipleChildren)));
|
||
|
|
}
|
||
|
|
|
||
|
|
const ignoreSideEffectTags = (node, context) => {
|
||
|
|
if (node.type === 1 /* ELEMENT */ &&
|
||
|
|
node.tagType === 0 /* ELEMENT */ &&
|
||
|
|
(node.tag === 'script' || node.tag === 'style')) {
|
||
|
|
context.onError(createDOMCompilerError(60 /* X_IGNORED_SIDE_EFFECT_TAG */, node.loc));
|
||
|
|
context.removeNode();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
const DOMNodeTransforms = [
|
||
|
|
transformStyle,
|
||
|
|
...([transformTransition] )
|
||
|
|
];
|
||
|
|
const DOMDirectiveTransforms = {
|
||
|
|
cloak: noopDirectiveTransform,
|
||
|
|
html: transformVHtml,
|
||
|
|
text: transformVText,
|
||
|
|
model: transformModel$1,
|
||
|
|
on: transformOn$1,
|
||
|
|
show: transformShow
|
||
|
|
};
|
||
|
|
function compile(template, options = {}) {
|
||
|
|
return baseCompile(template, extend({}, parserOptions, options, {
|
||
|
|
nodeTransforms: [
|
||
|
|
// ignore <script> and <tag>
|
||
|
|
// this is not put inside DOMNodeTransforms because that list is used
|
||
|
|
// by compiler-ssr to generate vnode fallback branches
|
||
|
|
ignoreSideEffectTags,
|
||
|
|
...DOMNodeTransforms,
|
||
|
|
...(options.nodeTransforms || [])
|
||
|
|
],
|
||
|
|
directiveTransforms: extend({}, DOMDirectiveTransforms, options.directiveTransforms || {}),
|
||
|
|
transformHoist: null
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
function parse(template, options = {}) {
|
||
|
|
return baseParse(template, extend({}, parserOptions, options));
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.BASE_TRANSITION = BASE_TRANSITION;
|
||
|
|
exports.CAMELIZE = CAMELIZE;
|
||
|
|
exports.CAPITALIZE = CAPITALIZE;
|
||
|
|
exports.CREATE_BLOCK = CREATE_BLOCK;
|
||
|
|
exports.CREATE_COMMENT = CREATE_COMMENT;
|
||
|
|
exports.CREATE_ELEMENT_BLOCK = CREATE_ELEMENT_BLOCK;
|
||
|
|
exports.CREATE_ELEMENT_VNODE = CREATE_ELEMENT_VNODE;
|
||
|
|
exports.CREATE_SLOTS = CREATE_SLOTS;
|
||
|
|
exports.CREATE_STATIC = CREATE_STATIC;
|
||
|
|
exports.CREATE_TEXT = CREATE_TEXT;
|
||
|
|
exports.CREATE_VNODE = CREATE_VNODE;
|
||
|
|
exports.DOMDirectiveTransforms = DOMDirectiveTransforms;
|
||
|
|
exports.DOMNodeTransforms = DOMNodeTransforms;
|
||
|
|
exports.FRAGMENT = FRAGMENT;
|
||
|
|
exports.GUARD_REACTIVE_PROPS = GUARD_REACTIVE_PROPS;
|
||
|
|
exports.IS_MEMO_SAME = IS_MEMO_SAME;
|
||
|
|
exports.IS_REF = IS_REF;
|
||
|
|
exports.KEEP_ALIVE = KEEP_ALIVE;
|
||
|
|
exports.MERGE_PROPS = MERGE_PROPS;
|
||
|
|
exports.NORMALIZE_CLASS = NORMALIZE_CLASS;
|
||
|
|
exports.NORMALIZE_PROPS = NORMALIZE_PROPS;
|
||
|
|
exports.NORMALIZE_STYLE = NORMALIZE_STYLE;
|
||
|
|
exports.OPEN_BLOCK = OPEN_BLOCK;
|
||
|
|
exports.POP_SCOPE_ID = POP_SCOPE_ID;
|
||
|
|
exports.PUSH_SCOPE_ID = PUSH_SCOPE_ID;
|
||
|
|
exports.RENDER_LIST = RENDER_LIST;
|
||
|
|
exports.RENDER_SLOT = RENDER_SLOT;
|
||
|
|
exports.RESOLVE_COMPONENT = RESOLVE_COMPONENT;
|
||
|
|
exports.RESOLVE_DIRECTIVE = RESOLVE_DIRECTIVE;
|
||
|
|
exports.RESOLVE_DYNAMIC_COMPONENT = RESOLVE_DYNAMIC_COMPONENT;
|
||
|
|
exports.RESOLVE_FILTER = RESOLVE_FILTER;
|
||
|
|
exports.SET_BLOCK_TRACKING = SET_BLOCK_TRACKING;
|
||
|
|
exports.SUSPENSE = SUSPENSE;
|
||
|
|
exports.TELEPORT = TELEPORT;
|
||
|
|
exports.TO_DISPLAY_STRING = TO_DISPLAY_STRING;
|
||
|
|
exports.TO_HANDLERS = TO_HANDLERS;
|
||
|
|
exports.TO_HANDLER_KEY = TO_HANDLER_KEY;
|
||
|
|
exports.TRANSITION = TRANSITION;
|
||
|
|
exports.TRANSITION_GROUP = TRANSITION_GROUP;
|
||
|
|
exports.UNREF = UNREF;
|
||
|
|
exports.V_MODEL_CHECKBOX = V_MODEL_CHECKBOX;
|
||
|
|
exports.V_MODEL_DYNAMIC = V_MODEL_DYNAMIC;
|
||
|
|
exports.V_MODEL_RADIO = V_MODEL_RADIO;
|
||
|
|
exports.V_MODEL_SELECT = V_MODEL_SELECT;
|
||
|
|
exports.V_MODEL_TEXT = V_MODEL_TEXT;
|
||
|
|
exports.V_ON_WITH_KEYS = V_ON_WITH_KEYS;
|
||
|
|
exports.V_ON_WITH_MODIFIERS = V_ON_WITH_MODIFIERS;
|
||
|
|
exports.V_SHOW = V_SHOW;
|
||
|
|
exports.WITH_CTX = WITH_CTX;
|
||
|
|
exports.WITH_DIRECTIVES = WITH_DIRECTIVES;
|
||
|
|
exports.WITH_MEMO = WITH_MEMO;
|
||
|
|
exports.advancePositionWithClone = advancePositionWithClone;
|
||
|
|
exports.advancePositionWithMutation = advancePositionWithMutation;
|
||
|
|
exports.assert = assert;
|
||
|
|
exports.baseCompile = baseCompile;
|
||
|
|
exports.baseParse = baseParse;
|
||
|
|
exports.buildDirectiveArgs = buildDirectiveArgs;
|
||
|
|
exports.buildProps = buildProps;
|
||
|
|
exports.buildSlots = buildSlots;
|
||
|
|
exports.checkCompatEnabled = checkCompatEnabled;
|
||
|
|
exports.compile = compile;
|
||
|
|
exports.createArrayExpression = createArrayExpression;
|
||
|
|
exports.createAssignmentExpression = createAssignmentExpression;
|
||
|
|
exports.createBlockStatement = createBlockStatement;
|
||
|
|
exports.createCacheExpression = createCacheExpression;
|
||
|
|
exports.createCallExpression = createCallExpression;
|
||
|
|
exports.createCompilerError = createCompilerError;
|
||
|
|
exports.createCompoundExpression = createCompoundExpression;
|
||
|
|
exports.createConditionalExpression = createConditionalExpression;
|
||
|
|
exports.createDOMCompilerError = createDOMCompilerError;
|
||
|
|
exports.createForLoopParams = createForLoopParams;
|
||
|
|
exports.createFunctionExpression = createFunctionExpression;
|
||
|
|
exports.createIfStatement = createIfStatement;
|
||
|
|
exports.createInterpolation = createInterpolation;
|
||
|
|
exports.createObjectExpression = createObjectExpression;
|
||
|
|
exports.createObjectProperty = createObjectProperty;
|
||
|
|
exports.createReturnStatement = createReturnStatement;
|
||
|
|
exports.createRoot = createRoot;
|
||
|
|
exports.createSequenceExpression = createSequenceExpression;
|
||
|
|
exports.createSimpleExpression = createSimpleExpression;
|
||
|
|
exports.createStructuralDirectiveTransform = createStructuralDirectiveTransform;
|
||
|
|
exports.createTemplateLiteral = createTemplateLiteral;
|
||
|
|
exports.createTransformContext = createTransformContext;
|
||
|
|
exports.createVNodeCall = createVNodeCall;
|
||
|
|
exports.extractIdentifiers = extractIdentifiers;
|
||
|
|
exports.findDir = findDir;
|
||
|
|
exports.findProp = findProp;
|
||
|
|
exports.generate = generate;
|
||
|
|
exports.generateCodeFrame = generateCodeFrame;
|
||
|
|
exports.getBaseTransformPreset = getBaseTransformPreset;
|
||
|
|
exports.getConstantType = getConstantType;
|
||
|
|
exports.getInnerRange = getInnerRange;
|
||
|
|
exports.getMemoedVNodeCall = getMemoedVNodeCall;
|
||
|
|
exports.getVNodeBlockHelper = getVNodeBlockHelper;
|
||
|
|
exports.getVNodeHelper = getVNodeHelper;
|
||
|
|
exports.hasDynamicKeyVBind = hasDynamicKeyVBind;
|
||
|
|
exports.hasScopeRef = hasScopeRef;
|
||
|
|
exports.helperNameMap = helperNameMap;
|
||
|
|
exports.injectProp = injectProp;
|
||
|
|
exports.isBuiltInType = isBuiltInType;
|
||
|
|
exports.isCoreComponent = isCoreComponent;
|
||
|
|
exports.isFunctionType = isFunctionType;
|
||
|
|
exports.isInDestructureAssignment = isInDestructureAssignment;
|
||
|
|
exports.isMemberExpression = isMemberExpression;
|
||
|
|
exports.isMemberExpressionBrowser = isMemberExpressionBrowser;
|
||
|
|
exports.isMemberExpressionNode = isMemberExpressionNode;
|
||
|
|
exports.isReferencedIdentifier = isReferencedIdentifier;
|
||
|
|
exports.isSimpleIdentifier = isSimpleIdentifier;
|
||
|
|
exports.isSlotOutlet = isSlotOutlet;
|
||
|
|
exports.isStaticArgOf = isStaticArgOf;
|
||
|
|
exports.isStaticExp = isStaticExp;
|
||
|
|
exports.isStaticProperty = isStaticProperty;
|
||
|
|
exports.isStaticPropertyKey = isStaticPropertyKey;
|
||
|
|
exports.isTemplateNode = isTemplateNode;
|
||
|
|
exports.isText = isText;
|
||
|
|
exports.isVSlot = isVSlot;
|
||
|
|
exports.locStub = locStub;
|
||
|
|
exports.makeBlock = makeBlock;
|
||
|
|
exports.noopDirectiveTransform = noopDirectiveTransform;
|
||
|
|
exports.parse = parse;
|
||
|
|
exports.parserOptions = parserOptions;
|
||
|
|
exports.processExpression = processExpression;
|
||
|
|
exports.processFor = processFor;
|
||
|
|
exports.processIf = processIf;
|
||
|
|
exports.processSlotOutlet = processSlotOutlet;
|
||
|
|
exports.registerRuntimeHelpers = registerRuntimeHelpers;
|
||
|
|
exports.resolveComponentType = resolveComponentType;
|
||
|
|
exports.toValidAssetId = toValidAssetId;
|
||
|
|
exports.trackSlotScopes = trackSlotScopes;
|
||
|
|
exports.trackVForSlotScopes = trackVForSlotScopes;
|
||
|
|
exports.transform = transform;
|
||
|
|
exports.transformBind = transformBind;
|
||
|
|
exports.transformElement = transformElement;
|
||
|
|
exports.transformExpression = transformExpression;
|
||
|
|
exports.transformModel = transformModel;
|
||
|
|
exports.transformOn = transformOn;
|
||
|
|
exports.transformStyle = transformStyle;
|
||
|
|
exports.traverseNode = traverseNode;
|
||
|
|
exports.walkBlockDeclarations = walkBlockDeclarations;
|
||
|
|
exports.walkFunctionParams = walkFunctionParams;
|
||
|
|
exports.walkIdentifiers = walkIdentifiers;
|
||
|
|
exports.warnDeprecation = warnDeprecation;
|
||
|
|
|
||
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
||
|
|
|
||
|
|
return exports;
|
||
|
|
|
||
|
|
}({}));
|