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songlairui/mpvue-template-compiler--build.js

Created December 20, 2018 06:32
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mpvue slot scoped 支撑
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mpvue-template-compiler--build.js
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var deindent = _interopDefault(require('de-indent'));
var he = _interopDefault(require('he'));
var babel = _interopDefault(require('babel-core'));
var prettier = _interopDefault(require('prettier'));
var t = require('babel-types');
var generate = _interopDefault(require('babel-generator'));
var template = _interopDefault(require('babel-template'));
const lary = (bool = true) => (type = 'log') => (...x) => {
if (bool) {
console[type](...x)
}
}
/* */
// these helpers produces better vm code in JS engines due to their
// explicitness and function inlining
/**
* Check if value is primitive
*/
/**
* Quick object check - this is primarily used to tell
* Objects from primitive values when we know the value
* is a JSON-compliant type.
*/
function isObject (obj) {
return obj !== null && typeof obj === 'object'
}
var _toString = Object.prototype.toString;
/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
function isPlainObject (obj) {
return _toString.call(obj) === '[object Object]'
}
/**
* Check if val is a valid array index.
*/
function isValidArrayIndex (val) {
var n = parseFloat(val);
return n >= 0 && Math.floor(n) === n && isFinite(val)
}
/**
* Convert a value to a string that is actually rendered.
*/
/**
* Convert a input value to a number for persistence.
* If the conversion fails, return original string.
*/
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
function makeMap (
str,
expectsLowerCase
) {
var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag.
*/
var isBuiltInTag = makeMap('slot,component', true);
/**
* Check if a attribute is a reserved attribute.
*/
var isReservedAttribute = makeMap('key,ref,slot,is');
/**
* Remove an item from an array
*/
function remove (arr, item) {
if (arr.length) {
var index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1)
}
}
}
/**
* Check whether the object has the property.
*/
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Create a cached version of a pure function.
*/
function cached (fn) {
var cache = Object.create(null);
return (function cachedFn (str) {
var hit = cache[str];
return hit || (cache[str] = fn(str))
})
}
/**
* Camelize a hyphen-delimited string.
*/
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});
/**
* Capitalize a string.
*/
/**
* Hyphenate a camelCase string.
*/
var hyphenateRE = /([^-])([A-Z])/g;
var hyphenate = cached(function (str) {
return str
.replace(hyphenateRE, '$1-$2')
.replace(hyphenateRE, '$1-$2')
.toLowerCase()
});
/**
* Simple bind, faster than native
*/
/**
* Convert an Array-like object to a real Array.
*/
/**
* Mix properties into target object.
*/
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* Merge an Array of Objects into a single Object.
*/
/**
* Perform no operation.
* Stubbing args to make Flow happy without leaving useless transpiled code
* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)
*/
function noop (a, b, c) {}
/**
* Always return false.
*/
var no = function (a, b, c) { return false; };
/**
* Return same value
*/
var identity = function (_) { return _; };
/**
* Generate a static keys string from compiler modules.
*/
function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
return keys.concat(m.staticKeys || [])
}, []).join(',')
}
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
/**
* Ensure a function is called only once.
*/
/* */
var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr'
);
// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap(
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
'title,tr,track'
);
/**
* Not type-checking this file because it's mostly vendor code.
*/
/*!
* HTML Parser By John Resig (ejohn.org)
* Modified by Juriy "kangax" Zaytsev
* Original code by Erik Arvidsson, Mozilla Public License
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
*/
// Regular Expressions for parsing tags and attributes
var singleAttrIdentifier = /([^\s"'<>/=]+)/;
var singleAttrAssign = /(?:=)/;
var singleAttrValues = [
// attr value double quotes
/"([^"]*)"+/.source,
// attr value, single quotes
/'([^']*)'+/.source,
// attr value, no quotes
/([^\s"'=<>`]+)/.source
];
var attribute = new RegExp(
'^\\s*' + singleAttrIdentifier.source +
'(?:\\s*(' + singleAttrAssign.source + ')' +
'\\s*(?:' + singleAttrValues.join('|') + '))?'
);
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
// but for Vue templates we can enforce a simple charset
var ncname = '[a-zA-Z_][\\w\\-\\.]*';
var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
var startTagOpen = new RegExp('^<' + qnameCapture);
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
var doctype = /^<!DOCTYPE [^>]+>/i;
var comment = /^<!--/;
var conditionalComment = /^<!\[/;
var IS_REGEX_CAPTURING_BROKEN = false;
'x'.replace(/x(.)?/g, function (m, g) {
IS_REGEX_CAPTURING_BROKEN = g === '';
});
// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};
var decodingMap = {
'&lt;': '<',
'&gt;': '>',
'&quot;': '"',
'&amp;': '&',
'&#10;': '\n'
};
var encodedAttr = /&(?:lt|gt|quot|amp);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10);/g;
const fakedToString = str => `{{ ${str} }}`
const replaceVarSimple = (alias, aliasFull) => str =>
str.replace(new RegExp("^"+alias+"$"), aliasFull)
.replace(new RegExp("\\\."+alias+"\\\.", 'g'), "." + aliasFull+ ".")
.replace(new RegExp("'"+alias+"'", 'g'), "'" + aliasFull+ "'")
.replace(new RegExp("^"+alias+"\\\."), aliasFull+ ".")
.replace(new RegExp("\\\."+alias+"$"), "." + aliasFull )
const replaceSlotScopeVar = (alias, aliasFull) => str =>
str.replace(new RegExp("^" + alias + "$"), aliasFull)
.replace(new RegExp("^" + alias + "\\\."), aliasFull + ".")
const replaceTemplateVar = (alias, aliasFull) => str => {
const result = str
.replace(new RegExp("^\\\(" + alias + "\\\)", 'g'), `(${aliasFull})`)
.replace(new RegExp("^\\\(" + alias + "\\\.", 'g'), `(${aliasFull}.`);
console.error(str, result, new RegExp("^\\\(" + alias + "\\\)"), `(${aliasFull})`, '\n',
new RegExp("^\\\(" + alias + "\\\."), `(${aliasFull}.`, alias, aliasFull)
return result
}
const expressionReplacerFactory = (target, using = '$scopedata') => expression => {
let arr = expression.split(/(\(.*?\))/g)
const textArr = [...arr]
const replacer = replaceTemplateVar(target, using)
const result = arr.map((str, idx) => {
if (!/^\(.*?\)$/.test(str)) return
const mainStr = replacer(str)
textArr[idx] = `(\`${mainStr.slice(1, mainStr.length -1)}\`)`
return `${replacer(str)}`
}).join('')
let text = ''
let _s = str => `{{ ${str} }}`
try {
text = eval(textArr.join('').replace(/\n/g, '\\n'))
} catch(e) {
console.error(e)
}
console.info(_s('text'), textArr, text)
return { expression: result, text }
}
const replaceVarStr = (nodeAst) => {
if(!nodeAst.replaceTarget) return nodeAst
const { replaceTarget } = nodeAst
const replacer = replaceSlotScopeVar(replaceTarget, '$scopedata')
const expressionReplacer = expressionReplacerFactory(replaceTarget, '$scopedata')
const cache = {}
let {attrs = [], attrsList = [], attrsMap = {}} = nodeAst
const getValueWithCache = oriValue => {
let value
if (cache[oriValue] !== undefined) {
value = cache[oriValue]
} else {
value = replacer(oriValue)
cache[oriValue] = value
}
return value
}
const mapFn = item => {
return {...item, value: getValueWithCache(item.value) }
}
attrs = attrs.map(mapFn)
attrsList = attrsList.map(mapFn)
const newMap = {}
Object.keys(attrsMap).forEach(key => {
if(!key.startsWith(':')) return
newMap[key] = getValueWithCache(attrsMap[key])
})
const newNode = {...nodeAst, attrs, attrsList, attrsMap: newMap}
// 替换静态内容
if (newNode.expression) {
const { expression, text } = expressionReplacer(newNode.expression)
newNode.expression = expression
newNode.text = text
}
return newNode
}
// #5992
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
function decodeAttr (value, shouldDecodeNewlines) {
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
return value.replace(re, function (match) { return decodingMap[match]; })
}
function parseHTML (html, options) {
// console.info('parseHTML', html, options)
var stack = [];
var expectHTML = options.expectHTML;
var isUnaryTag$$1 = options.isUnaryTag || no;
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
var index = 0;
var last, lastTag;
while (html) {
last = html;
// Make sure we're not in a plaintext content element like script/style
if (!lastTag || !isPlainTextElement(lastTag)) {
if (shouldIgnoreFirstNewline(lastTag, html)) {
advance(1);
}
var textEnd = html.indexOf('<');
if (textEnd === 0) {
// Comment:
if (comment.test(html)) {
var commentEnd = html.indexOf('-->');
if (commentEnd >= 0) {
if (options.shouldKeepComment) {
options.comment(html.substring(4, commentEnd));
}
advance(commentEnd + 3);
continue
}
}
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
if (conditionalComment.test(html)) {
var conditionalEnd = html.indexOf(']>');
if (conditionalEnd >= 0) {
advance(conditionalEnd + 2);
continue
}
}
// Doctype:
var doctypeMatch = html.match(doctype);
if (doctypeMatch) {
advance(doctypeMatch[0].length);
continue
}
// End tag:
var endTagMatch = html.match(endTag);
if (endTagMatch) {
var curIndex = index;
advance(endTagMatch[0].length);
parseEndTag(endTagMatch[1], curIndex, index);
continue
}
// Start tag:
var startTagMatch = parseStartTag();
if (startTagMatch) {
handleStartTag(startTagMatch);
continue
}
}
var text = (void 0), rest = (void 0), next = (void 0);
if (textEnd >= 0) {
rest = html.slice(textEnd);
while (
!endTag.test(rest) &&
!startTagOpen.test(rest) &&
!comment.test(rest) &&
!conditionalComment.test(rest)
) {
// < in plain text, be forgiving and treat it as text
next = rest.indexOf('<', 1);
if (next < 0) { break }
textEnd += next;
rest = html.slice(textEnd);
}
text = html.substring(0, textEnd);
advance(textEnd);
}
if (textEnd < 0) {
text = html;
html = '';
}
if (options.chars && text) {
options.chars(text, {});
}
} else {
var endTagLength = 0;
var stackedTag = lastTag.toLowerCase();
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
endTagLength = endTag.length;
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
text = text
.replace(/<!--([\s\S]*?)-->/g, '$1')
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
}
if (shouldIgnoreFirstNewline(stackedTag, text)) {
text = text.slice(1);
}
if (options.chars) {
options.chars(text);
}
return ''
});
index += html.length - rest$1.length;
html = rest$1;
parseEndTag(stackedTag, index - endTagLength, index);
}
if (html === last) {
options.chars && options.chars(html);
if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
options.warn(("Mal-formatted tag at end of template: \"" + html + "\""));
}
break
}
}
// Clean up any remaining tags
parseEndTag();
function advance (n) {
index += n;
html = html.substring(n);
}
function parseStartTag () {
var start = html.match(startTagOpen);
if (start) {
var match = {
tagName: start[1],
attrs: [],
start: index
};
advance(start[0].length);
var end, attr;
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
advance(attr[0].length);
match.attrs.push(attr);
}
if (end) {
match.unarySlash = end[1];
advance(end[0].length);
match.end = index;
return match
}
}
}
function handleStartTag (match) {
var tagName = match.tagName;
var unarySlash = match.unarySlash;
if (expectHTML) {
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
parseEndTag(lastTag);
}
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
parseEndTag(tagName);
}
}
var unary = isUnaryTag$$1(tagName) || !!unarySlash;
var l = match.attrs.length;
var attrs = new Array(l);
for (var i = 0; i < l; i++) {
var args = match.attrs[i];
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
if (args[3] === '') { delete args[3]; }
if (args[4] === '') { delete args[4]; }
if (args[5] === '') { delete args[5]; }
}
var value = args[3] || args[4] || args[5] || '';
attrs[i] = {
name: args[1],
value: decodeAttr(
value,
options.shouldDecodeNewlines
)
};
}
if (!unary) {
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
lastTag = tagName;
}
if (options.start) {
options.start(tagName, attrs, unary, match.start, match.end);
}
}
function parseEndTag (tagName, start, end) {
var pos, lowerCasedTagName;
if (start == null) { start = index; }
if (end == null) { end = index; }
if (tagName) {
lowerCasedTagName = tagName.toLowerCase();
}
// Find the closest opened tag of the same type
if (tagName) {
for (pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos].lowerCasedTag === lowerCasedTagName) {
break
}
}
} else {
// If no tag name is provided, clean shop
pos = 0;
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if (process.env.NODE_ENV !== 'production' &&
(i > pos || !tagName) &&
options.warn
) {
options.warn(
("tag <" + (stack[i].tag) + "> has no matching end tag.")
);
}
if (options.end) {
options.end(stack[i].tag, start, end);
}
}
// Remove the open elements from the stack
stack.length = pos;
lastTag = pos && stack[pos - 1].tag;
} else if (lowerCasedTagName === 'br') {
if (options.start) {
options.start(tagName, [], true, start, end);
}
} else if (lowerCasedTagName === 'p') {
if (options.start) {
options.start(tagName, [], false, start, end);
}
if (options.end) {
options.end(tagName, start, end);
}
}
}
}
/* */
var splitRE = /\r?\n/g;
var replaceRE = /./g;
var isSpecialTag = makeMap('script,style,template', true);
/**
* Parse a single-file component (*.vue) file into an SFC Descriptor Object.
*/
function parseComponent (
content,
options
) {
if ( options === void 0 ) options = {};
var sfc = {
template: null,
script: null,
styles: [],
customBlocks: []
};
var depth = 0;
var currentBlock = null;
function start (
tag,
attrs,
unary,
start,
end
) {
if (depth === 0) {
currentBlock = {
type: tag,
content: '',
start: end,
attrs: attrs.reduce(function (cumulated, ref) {
var name = ref.name;
var value = ref.value;
cumulated[name] = value || true;
return cumulated
}, Object.create(null))
};
if (isSpecialTag(tag)) {
checkAttrs(currentBlock, attrs);
if (tag === 'style') {
sfc.styles.push(currentBlock);
} else {
sfc[tag] = currentBlock;
}
} else { // custom blocks
sfc.customBlocks.push(currentBlock);
}
}
if (!unary) {
depth++;
}
}
function checkAttrs (block, attrs) {
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
if (attr.name === 'lang') {
block.lang = attr.value;
}
if (attr.name === 'scoped') {
block.scoped = true;
}
if (attr.name === 'module') {
block.module = attr.value || true;
}
if (attr.name === 'src') {
block.src = attr.value;
}
}
}
function end (tag, start, end) {
if (depth === 1 && currentBlock) {
currentBlock.end = start;
var text = deindent(content.slice(currentBlock.start, currentBlock.end));
// pad content so that linters and pre-processors can output correct
// line numbers in errors and warnings
if (currentBlock.type !== 'template' && options.pad) {
text = padContent(currentBlock, options.pad) + text;
}
currentBlock.content = text;
currentBlock = null;
}
depth--;
}
function padContent (block, pad) {
if (pad === 'space') {
return content.slice(0, block.start).replace(replaceRE, ' ')
} else {
var offset = content.slice(0, block.start).split(splitRE).length;
var padChar = block.type === 'script' && !block.lang
? '//\n'
: '\n';
return Array(offset).join(padChar)
}
}
parseHTML(content, {
start: start,
end: end
});
return sfc
}
/* globals renderer */
var isPreTag = function (tag) { return tag === 'pre'; };
var isReservedTag = makeMap(
'template,script,style,element,content,slot,link,meta,svg,view,' +
'a,div,img,image,text,span,richtext,input,switch,textarea,spinner,select,' +
'slider,slider-neighbor,indicator,trisition,trisition-group,canvas,' +
'list,cell,header,loading,loading-indicator,refresh,scrollable,scroller,' +
'video,web,embed,tabbar,tabheader,datepicker,timepicker,marquee,countdown',
true
);
// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');
// Elements that you can, intentionally, leave open (and which close themselves)
// more flexable than web
var canBeLeftOpenTag$1 = makeMap(
'web,spinner,switch,video,textarea,canvas,' +
'indicator,marquee,countdown',
true
);
var isUnaryTag$1 = makeMap(
'embed,img,image,input,link,meta',
true
);
function mustUseProp () { /* console.log('mustUseProp') */ }
function getTagNamespace () { /* console.log('getTagNamespace') */ }
// 用于小程序的 event type 到 web 的 event
/* */
var validDivisionCharRE = /[\w).+\-_$\]]/;
function parseFilters (exp) {
var inSingle = false;
var inDouble = false;
var inTemplateString = false;
var inRegex = false;
var curly = 0;
var square = 0;
var paren = 0;
var lastFilterIndex = 0;
var 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) { // /
var j = i - 1;
var p = (void 0);
// 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 || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
lastFilterIndex = i + 1;
}
if (filters) {
for (i = 0; i < filters.length; i++) {
expression = wrapFilter(expression, filters[i]);
}
}
return expression
}
function wrapFilter (exp, filter) {
var i = filter.indexOf('(');
if (i < 0) {
// _f: resolveFilter
return ("_f(\"" + filter + "\")(" + exp + ")")
} else {
var name = filter.slice(0, i);
var args = filter.slice(i + 1);
return ("_f(\"" + name + "\")(" + exp + "," + args)
}
}
/* */
var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
var buildRegex = cached(function (delimiters) {
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});
function parseText (
text,
delimiters,
el
) {
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
if (!tagRE.test(text)) {
return
}
var tokens = [];
var lastIndex = tagRE.lastIndex = 0;
var match, index;
while ((match = tagRE.exec(text))) {
index = match.index;
// push text token
if (index > lastIndex) {
tokens.push(JSON.stringify(text.slice(lastIndex, index)));
}
// tag token
var exp = parseFilters(match[1].trim());
let scopeTarget = el && el.slotScope
let parent = el
while(!scopeTarget && parent) {
parent = parent.parent
scopeTarget = parent.slotScope
}
if (scopeTarget) {
// replace
}
console.warn('scopeTarget', scopeTarget, el)
tokens.push(("_s(" + exp + ")"));
lastIndex = index + match[0].length;
}
if (lastIndex < text.length) {
tokens.push(JSON.stringify(text.slice(lastIndex)));
}
console.info('parseText', text, delimiters, tokens, tokens.join('+'))
return tokens.join('+')
}
/* */
function baseWarn (msg) {
console.error(("[Vue compiler]: " + msg));
}
function pluckModuleFunction (
modules,
key
) {
return modules
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
: []
}
function addProp (el, name, value) {
(el.props || (el.props = [])).push({ name: name, value: value });
}
function addAttr (el, name, value) {
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
}
function addDirective (
el,
name,
rawName,
value,
arg,
modifiers
) {
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
}
function addHandler (
el,
name,
value,
modifiers,
important,
warn
) {
// warn prevent and passive modifier
/* istanbul ignore if */
if (
process.env.NODE_ENV !== 'production' && warn &&
modifiers && modifiers.prevent && modifiers.passive
) {
warn(
'passive and prevent can\'t be used together. ' +
'Passive handler can\'t prevent default event.'
);
}
// check capture modifier
if (modifiers && modifiers.capture) {
delete modifiers.capture;
name = '!' + name; // mark the event as captured
}
if (modifiers && modifiers.once) {
delete modifiers.once;
name = '~' + name; // mark the event as once
}
/* istanbul ignore if */
if (modifiers && modifiers.passive) {
delete modifiers.passive;
name = '&' + name; // mark the event as passive
}
var events;
if (modifiers && modifiers.native) {
delete modifiers.native;
events = el.nativeEvents || (el.nativeEvents = {});
} else {
events = el.events || (el.events = {});
}
var newHandler = { value: value, modifiers: modifiers };
var handlers = events[name];
/* istanbul ignore if */
if (Array.isArray(handlers)) {
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
} else if (handlers) {
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
} else {
events[name] = newHandler;
}
}
function getBindingAttr (
el,
name,
getStatic
) {
var dynamicValue =
getAndRemoveAttr(el, ':' + name) ||
getAndRemoveAttr(el, 'v-bind:' + name);
if (dynamicValue != null) {
return parseFilters(dynamicValue)
} else if (getStatic !== false) {
var staticValue = getAndRemoveAttr(el, name);
if (staticValue != null) {
return JSON.stringify(staticValue)
}
}
}
function getAndRemoveAttr (el, name) {
var val;
if ((val = el.attrsMap[name]) != null) {
var list = el.attrsList;
for (var i = 0, l = list.length; i < l; i++) {
if (list[i].name === name) {
list.splice(i, 1);
break
}
}
}
return val
}
/* */
function transformNode (el, options) {
// console.info('transformNode', el, options)
var warn = options.warn || baseWarn;
var staticClass = getAndRemoveAttr(el, 'class');
if (process.env.NODE_ENV !== 'production' && staticClass) {
var expression = parseText(staticClass, options.delimiters, el);
if (expression) {
warn(
"class=\"" + staticClass + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div class="{{ val }}">, use <div :class="val">.'
);
}
}
if (staticClass) {
el.staticClass = JSON.stringify(staticClass);
}
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
if (classBinding) {
el.classBinding = classBinding;
}
}
function genData (el) {
var data = '';
if (el.staticClass) {
data += "staticClass:" + (el.staticClass) + ",";
}
if (el.classBinding) {
data += "class:" + (el.classBinding) + ",";
}
return data
}
var klass = {
staticKeys: ['staticClass'],
transformNode: transformNode,
genData: genData
};
/* */
var parseStyleText = cached(function (cssText) {
var res = {};
var listDelimiter = /;(?![^(]*\))/g;
var propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
var tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res
});
// normalize possible array / string values into Object
/**
* parent component style should be after child's
* so that parent component's style could override it
*/
/* */
function transformNode$1 (el, options) {
console.info('transformNode$1', el, options)
var warn = options.warn || baseWarn;
var staticStyle = getAndRemoveAttr(el, 'style');
if (staticStyle) {
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
var expression = parseText(staticStyle, options.delimiters, el);
if (expression) {
warn(
"style=\"" + staticStyle + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div style="{{ val }}">, use <div :style="val">.'
);
}
}
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
}
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
if (styleBinding) {
el.styleBinding = styleBinding;
}
}
function genData$1 (el) {
var data = '';
if (el.staticStyle) {
data += "staticStyle:" + (el.staticStyle) + ",";
}
if (el.styleBinding) {
data += "style:(" + (el.styleBinding) + "),";
}
return data
}
var style = {
staticKeys: ['staticStyle'],
transformNode: transformNode$1,
genData: genData$1
};
var modules = [
klass,
style
];
var ASSET_TYPES = [
'component',
'directive',
'filter'
];
var LIFECYCLE_HOOKS = [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated', 'onLaunch',
'onLoad',
'onShow',
'onReady',
'onHide',
'onUnload',
'onPullDownRefresh',
'onReachBottom',
'onShareAppMessage',
'onPageScroll',
'onTabItemTap',
'attached',
'ready',
'moved',
'detached'
];
/* */
var config = ({
/**
* Option merge strategies (used in core/util/options)
*/
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Show production mode tip message on boot?
*/
productionTip: process.env.NODE_ENV !== 'production',
/**
* Whether to enable devtools
*/
devtools: process.env.NODE_ENV !== 'production',
/**
* Whether to record perf
*/
performance: false,
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Warn handler for watcher warns
*/
warnHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if an attribute is reserved so that it cannot be used as a component
* prop. This is platform-dependent and may be overwritten.
*/
isReservedAttr: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* Parse the real tag name for the specific platform.
*/
parsePlatformTagName: identity,
/**
* Check if an attribute must be bound using property, e.g. value
* Platform-dependent.
*/
mustUseProp: no,
/**
* Exposed for legacy reasons
*/
_lifecycleHooks: LIFECYCLE_HOOKS
});
/* */
/**
* Cross-platform code generation for component v-model
*/
function genComponentModel (
el,
value,
modifiers
) {
var ref = modifiers || {};
var number = ref.number;
var trim = ref.trim;
var baseValueExpression = '$$v';
var valueExpression = baseValueExpression;
if (trim) {
valueExpression =
"(typeof " + baseValueExpression + " === 'string'" +
"? " + baseValueExpression + ".trim()" +
": " + baseValueExpression + ")";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var assignment = genAssignmentCode(value, valueExpression);
el.model = {
value: ("(" + value + ")"),
expression: ("\"" + value + "\""),
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
};
}
/**
* Cross-platform codegen helper for generating v-model value assignment code.
*/
function genAssignmentCode (
value,
assignment
) {
var modelRs = parseModel(value);
if (modelRs.idx === null) {
return (value + "=" + assignment)
} else {
return ("$set(" + (modelRs.exp) + ", " + (modelRs.idx) + ", " + assignment + ")")
}
}
/**
* parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)
*
* for loop possible cases:
*
* - test
* - test[idx]
* - test[test1[idx]]
* - test["a"][idx]
* - xxx.test[a[a].test1[idx]]
* - test.xxx.a["asa"][test1[idx]]
*
*/
var len;
var str;
var chr;
var index;
var expressionPos;
var expressionEndPos;
function parseModel (val) {
str = val;
len = str.length;
index = expressionPos = expressionEndPos = 0;
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
return {
exp: val,
idx: null
}
}
while (!eof()) {
chr = next();
/* istanbul ignore if */
if (isStringStart(chr)) {
parseString(chr);
} else if (chr === 0x5B) {
parseBracket(chr);
}
}
return {
exp: val.substring(0, expressionPos),
idx: val.substring(expressionPos + 1, expressionEndPos)
}
}
function next () {
return str.charCodeAt(++index)
}
function eof () {
return index >= len
}
function isStringStart (chr) {
return chr === 0x22 || chr === 0x27
}
function parseBracket (chr) {
var inBracket = 1;
expressionPos = index;
while (!eof()) {
chr = next();
if (isStringStart(chr)) {
parseString(chr);
continue
}
if (chr === 0x5B) { inBracket++; }
if (chr === 0x5D) { inBracket--; }
if (inBracket === 0) {
expressionEndPos = index;
break
}
}
}
function parseString (chr) {
var stringQuote = chr;
while (!eof()) {
chr = next();
if (chr === stringQuote) {
break
}
}
}
/* */
var warn;
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';
function model (
el,
dir,
_warn
) {
warn = _warn;
var value = dir.value;
var modifiers = dir.modifiers;
var tag = el.tag;
var type = el.attrsMap.type;
if (process.env.NODE_ENV !== 'production') {
var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
if (tag === 'input' && dynamicType) {
warn(
"<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" +
"v-model does not support dynamic input types. Use v-if branches instead."
);
}
// inputs with type="file" are read only and setting the input's
// value will throw an error.
if (tag === 'input' && type === 'file') {
warn(
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
"File inputs are read only. Use a v-on:change listener instead."
);
}
}
if (el.component) {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
} else if (tag === 'select') {
genSelect(el, value, modifiers);
} else if (tag === 'input' && type === 'checkbox') {
genCheckboxModel(el, value, modifiers);
} else if (tag === 'input' && type === 'radio') {
genRadioModel(el, value, modifiers);
} else if (tag === 'input' || tag === 'textarea') {
genDefaultModel(el, value, modifiers);
} else if (!config.isReservedTag(tag)) {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
} else if (process.env.NODE_ENV !== 'production') {
warn(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"v-model is not supported on this element type. " +
'If you are working with contenteditable, it\'s recommended to ' +
'wrap a library dedicated for that purpose inside a custom component.'
);
}
// ensure runtime directive metadata
return true
}
function genCheckboxModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
addProp(el, 'checked',
"Array.isArray(" + value + ")" +
"?_i(" + value + "," + valueBinding + ")>-1" + (
trueValueBinding === 'true'
? (":(" + value + ")")
: (":_q(" + value + "," + trueValueBinding + ")")
)
);
addHandler(el, CHECKBOX_RADIO_TOKEN,
"var $$a=" + value + "," +
'$$el=$event.target,' +
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
'if(Array.isArray($$a)){' +
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
'$$i=_i($$a,$$v);' +
"if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" +
"else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
"}else{" + (genAssignmentCode(value, '$$c')) + "}",
null, true
);
}
function genRadioModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
addHandler(el, CHECKBOX_RADIO_TOKEN, genAssignmentCode(value, valueBinding), null, true);
}
function genSelect (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var selectedVal = "Array.prototype.filter" +
".call($event.target.options,function(o){return o.selected})" +
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
"return " + (number ? '_n(val)' : 'val') + "})";
var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
var code = "var $$selectedVal = " + selectedVal + ";";
code = code + " " + (genAssignmentCode(value, assignment));
addHandler(el, 'change', code, null, true);
}
function genDefaultModel (
el,
value,
modifiers
) {
var type = el.attrsMap.type;
var ref = modifiers || {};
var lazy = ref.lazy;
var number = ref.number;
var trim = ref.trim;
var needCompositionGuard = !lazy && type !== 'range';
var event = lazy
? 'change'
: type === 'range'
? RANGE_TOKEN
: 'input';
var valueExpression = '$event.target.value';
if (trim) {
valueExpression = "$event.target.value.trim()";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var code = genAssignmentCode(value, valueExpression);
if (needCompositionGuard) {
code = "if($event.target.composing)return;" + code;
}
addProp(el, 'value', ("(" + value + ")"));
addHandler(el, event, code, null, true);
if (trim || number) {
addHandler(el, 'blur', '$forceUpdate()');
}
}
/* */
function text (el, dir) {
if (dir.value) {
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
}
}
/* */
function html (el, dir) {
if (dir.value) {
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
}
}
var directives = {
model: model,
text: text,
html: html
};
/* */
var isUnaryTag$2 = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr'
);
// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag$2 = makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag$1 = makeMap(
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
'title,tr,track'
);
/* */
var baseOptions = {
expectHTML: true,
modules: modules,
directives: directives,
isPreTag: isPreTag,
isUnaryTag: isUnaryTag$2,
mustUseProp: mustUseProp,
canBeLeftOpenTag: canBeLeftOpenTag$2,
isReservedTag: isReservedTag,
getTagNamespace: getTagNamespace,
staticKeys: genStaticKeys(modules)
};
/* */
var warn$2 = noop;
var tip = noop;
var formatComponentName = (null); // work around flow check
if (process.env.NODE_ENV !== 'production') {
var hasConsole = typeof console !== 'undefined';
var classifyRE = /(?:^|[-_])(\w)/g;
var classify = function (str) { return str
.replace(classifyRE, function (c) { return c.toUpperCase(); })
.replace(/[-_]/g, ''); };
warn$2 = function (msg, vm) {
var trace = vm ? generateComponentTrace(vm) : '';
if (config.warnHandler) {
config.warnHandler.call(null, msg, vm, trace);
} else if (hasConsole && (!config.silent)) {
console.error(("[Vue warn]: " + msg + trace));
}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + (
vm ? generateComponentTrace(vm) : ''
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
var name = typeof vm === 'string'
? vm
: typeof vm === 'function' && vm.options
? vm.options.name
: vm._isVue
? vm.$options.name || vm.$options._componentTag
: vm.name;
var file = vm._isVue && vm.$options.__file;
if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : '')
)
};
var repeat = function (str, n) {
var res = '';
while (n) {
if (n % 2 === 1) { res += str; }
if (n > 1) { str += str; }
n >>= 1;
}
return res
};
var generateComponentTrace = function (vm) {
if (vm._isVue && vm.$parent) {
var tree = [];
var currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
var last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue
} else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return '\n\nfound in\n\n' + tree
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
: formatComponentName(vm))); })
.join('\n')
} else {
return ("\n\n(found in " + (formatComponentName(vm)) + ")")
}
};
}
/* */
function handleError (err, vm, info) {
if (config.errorHandler) {
config.errorHandler.call(null, err, vm, info);
} else {
if (process.env.NODE_ENV !== 'production') {
warn$2(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
}
/* istanbul ignore else */
if (inBrowser && typeof console !== 'undefined') {
console.error(err);
} else {
throw err
}
}
}
/* */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var UA = ['mpvue-runtime'].join();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = UA && UA.indexOf('android') > 0;
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
// Firefix has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;
var supportsPassive = false;
if (inBrowser) {
try {
var opts = {};
Object.defineProperty(opts, 'passive', ({
get: function get () {
/* istanbul ignore next */
supportsPassive = true;
}
})); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
} catch (e) {}
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools
/* istanbul ignore next */
function isNative (Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) &&
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
/**
* Defer a task to execute it asynchronously.
*/
var nextTick = (function () {
var callbacks = [];
var pending = false;
var timerFunc;
function nextTickHandler () {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// the nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore if */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
var p = Promise.resolve();
var logError = function (err) { console.error(err); };
timerFunc = function () {
p.then(nextTickHandler).catch(logError);
// in problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS) { setTimeout(noop); }
};
// } else if (typeof MutationObserver !== 'undefined' && (
// isNative(MutationObserver) ||
// // PhantomJS and iOS 7.x
// MutationObserver.toString() === '[object MutationObserverConstructor]'
// )) {
// // use MutationObserver where native Promise is not available,
// // e.g. PhantomJS IE11, iOS7, Android 4.4
// var counter = 1
// var observer = new MutationObserver(nextTickHandler)
// var textNode = document.createTextNode(String(counter))
// observer.observe(textNode, {
// characterData: true
// })
// timerFunc = () => {
// counter = (counter + 1) % 2
// textNode.data = String(counter)
// }
} else {
// fallback to setTimeout
/* istanbul ignore next */
timerFunc = function () {
setTimeout(nextTickHandler, 0);
};
}
return function queueNextTick (cb, ctx) {
var _resolve;
callbacks.push(function () {
if (cb) {
try {
cb.call(ctx);
} catch (e) {
handleError(e, ctx, 'nextTick');
}
} else if (_resolve) {
_resolve(ctx);
}
});
if (!pending) {
pending = true;
timerFunc();
}
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve, reject) {
_resolve = resolve;
})
}
}
})();
var _Set;
/* istanbul ignore if */
if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = (function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] === true
};
Set.prototype.add = function add (key) {
this.set[key] = true;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set;
}());
}
/* */
var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:/;
var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/;
var forIteratorRE = /\((\{[^}]*\}|[^,]*),([^,]*)(?:,([^,]*))?\)/;
var argRE = /:(.*)$/;
var bindRE = /^:|^v-bind:/;
var modifierRE = /\.[^.]+/g;
var decodeHTMLCached = cached(he.decode);
// configurable state
var warn$1;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
/**
* Convert HTML string to AST.
*/
function parse (
template$$1,
options
) {
warn$1 = options.warn || baseWarn;
platformIsPreTag = options.isPreTag || no;
platformMustUseProp = options.mustUseProp || no;
platformGetTagNamespace = options.getTagNamespace || no;
transforms = pluckModuleFunction(options.modules, 'transformNode');
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
delimiters = options.delimiters;
var stack = [];
var preserveWhitespace = options.preserveWhitespace !== false;
var root;
var currentParent;
var inVPre = false;
var inPre = false;
var warned = false;
function warnOnce (msg) {
if (!warned) {
warned = true;
warn$1(msg);
}
}
function endPre (element) {
// check pre state
if (element.pre) {
inVPre = false;
}
if (platformIsPreTag(element.tag)) {
inPre = false;
}
}
parseHTML(template$$1, {
warn: warn$1,
expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
canBeLeftOpenTag: options.canBeLeftOpenTag,
shouldDecodeNewlines: options.shouldDecodeNewlines,
shouldKeepComment: options.comments,
start: function start (tag, attrs, unary) {
// check namespace.
// inherit parent ns if there is one
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
// handle IE svg bug
/* istanbul ignore if */
if (isIE && ns === 'svg') {
attrs = guardIESVGBug(attrs);
}
var element = {
type: 1,
tag: tag,
attrsList: attrs,
attrsMap: makeAttrsMap(attrs),
parent: currentParent,
children: []
};
if (ns) {
element.ns = ns;
}
if (isForbiddenTag(element) && !isServerRendering()) {
element.forbidden = true;
process.env.NODE_ENV !== 'production' && warn$1(
'Templates should only be responsible for mapping the state to the ' +
'UI. Avoid placing tags with side-effects in your templates, such as ' +
"<" + tag + ">" + ', as they will not be parsed.'
);
}
// apply pre-transforms
for (var i = 0; i < preTransforms.length; i++) {
preTransforms[i](element, options);
}
if (!inVPre) {
processPre(element);
if (element.pre) {
inVPre = true;
}
}
if (platformIsPreTag(element.tag)) {
inPre = true;
}
if (inVPre) {
processRawAttrs(element);
} else {
processFor(element);
processIf(element);
processOnce(element);
processKey(element);
// determine whether this is a plain element after
// removing structural attributes
element.plain = !element.key && !attrs.length;
processRef(element);
processSlot(element);
processComponent(element);
for (var i$1 = 0; i$1 < transforms.length; i$1++) {
transforms[i$1](element, options);
}
processAttrs(element);
}
function checkRootConstraints (el) {
if (process.env.NODE_ENV !== 'production') {
if (el.tag === 'slot' || el.tag === 'template') {
warnOnce(
"Cannot use <" + (el.tag) + "> as component root element because it may " +
'contain multiple nodes.'
);
}
if (el.attrsMap.hasOwnProperty('v-for')) {
warnOnce(
'Cannot use v-for on stateful component root element because ' +
'it renders multiple elements.'
);
}
}
}
// tree management
if (!root) {
root = element;
checkRootConstraints(root);
} else if (!stack.length) {
// allow root elements with v-if, v-else-if and v-else
if (root.if && (element.elseif || element.else)) {
checkRootConstraints(element);
addIfCondition(root, {
exp: element.elseif,
block: element
});
} else if (process.env.NODE_ENV !== 'production') {
warnOnce(
"Component template should contain exactly one root element. " +
"If you are using v-if on multiple elements, " +
"use v-else-if to chain them instead."
);
}
}
if (currentParent && !element.forbidden) {
if (element.elseif || element.else) {
processIfConditions(element, currentParent);
} else if (element.slotScope) { // scoped slot
currentParent.plain = false;
var name = element.slotTarget || '"default"';
(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
} else {
currentParent.children.push(element);
element.parent = currentParent;
}
}
if (!unary) {
currentParent = element;
stack.push(element);
} else {
endPre(element);
}
// apply post-transforms
for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
postTransforms[i$2](element, options);
}
},
end: function end () {
// remove trailing whitespace
var element = stack[stack.length - 1];
var lastNode = element.children[element.children.length - 1];
if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
element.children.pop();
}
// pop stack
stack.length -= 1;
currentParent = stack[stack.length - 1];
endPre(element);
},
chars: function chars (text) {
console.info('chars', text)
if (!currentParent) {
if (process.env.NODE_ENV !== 'production') {
if (text === template$$1) {
warnOnce(
'Component template requires a root element, rather than just text.'
);
} else if ((text = text.trim())) {
warnOnce(
("text \"" + text + "\" outside root element will be ignored.")
);
}
}
return
}
// IE textarea placeholder bug
/* istanbul ignore if */
if (isIE &&
currentParent.tag === 'textarea' &&
currentParent.attrsMap.placeholder === text
) {
return
}
var children = currentParent.children;
text = inPre || text.trim()
? isTextTag(currentParent) ? text : decodeHTMLCached(text)
// only preserve whitespace if its not right after a starting tag
: preserveWhitespace && children.length ? ' ' : '';
if (text) {
var expression;
if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
children.push({
type: 2,
expression: expression,
text: text
});
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
children.push({
type: 3,
text: text
});
}
}
},
comment: function comment (text) {
currentParent.children.push({
type: 3,
text: text,
isComment: true
});
}
});
return root
}
function processPre (el) {
if (getAndRemoveAttr(el, 'v-pre') != null) {
el.pre = true;
}
}
function processRawAttrs (el) {
var l = el.attrsList.length;
if (l) {
var attrs = el.attrs = new Array(l);
for (var i = 0; i < l; i++) {
attrs[i] = {
name: el.attrsList[i].name,
value: JSON.stringify(el.attrsList[i].value)
};
}
} else if (!el.pre) {
// non root node in pre blocks with no attributes
el.plain = true;
}
}
function processKey (el) {
var exp = getBindingAttr(el, 'key');
if (exp) {
if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
warn$1("<template> cannot be keyed. Place the key on real elements instead.");
}
el.key = exp;
}
}
function processRef (el) {
var ref = getBindingAttr(el, 'ref');
if (ref) {
el.ref = ref;
el.refInFor = checkInFor(el);
}
}
function processFor (el) {
var exp;
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
var inMatch = exp.match(forAliasRE);
if (!inMatch) {
process.env.NODE_ENV !== 'production' && warn$1(
("Invalid v-for expression: " + exp)
);
return
}
el.for = inMatch[2].trim();
var alias = inMatch[1].trim();
var iteratorMatch = alias.match(forIteratorRE);
if (iteratorMatch) {
el.alias = iteratorMatch[1].trim();
el.iterator1 = iteratorMatch[2].trim();
if (iteratorMatch[3]) {
el.iterator2 = iteratorMatch[3].trim();
}
} else {
el.alias = alias;
}
}
}
function processIf (el) {
var exp = getAndRemoveAttr(el, 'v-if');
if (exp) {
el.if = exp;
addIfCondition(el, {
exp: exp,
block: el
});
} else {
if (getAndRemoveAttr(el, 'v-else') != null) {
el.else = true;
}
var elseif = getAndRemoveAttr(el, 'v-else-if');
if (elseif) {
el.elseif = elseif;
}
}
}
function processIfConditions (el, parent) {
var prev = findPrevElement(parent.children);
if (prev && prev.if) {
addIfCondition(prev, {
exp: el.elseif,
block: el
});
} else if (process.env.NODE_ENV !== 'production') {
warn$1(
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
"used on element <" + (el.tag) + "> without corresponding v-if."
);
}
}
function findPrevElement (children) {
var i = children.length;
while (i--) {
if (children[i].type === 1) {
return children[i]
} else {
if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
warn$1(
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
"will be ignored."
);
}
children.pop();
}
}
}
function addIfCondition (el, condition) {
if (!el.ifConditions) {
el.ifConditions = [];
}
el.ifConditions.push(condition);
}
function processOnce (el) {
var once$$1 = getAndRemoveAttr(el, 'v-once');
if (once$$1 != null) {
el.once = true;
}
}
function processSlot (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name');
if (process.env.NODE_ENV !== 'production' && el.key) {
warn$1(
"`key` does not work on <slot> because slots are abstract outlets " +
"and can possibly expand into multiple elements. " +
"Use the key on a wrapping element instead."
);
}
} else {
// 添加slotScope属性，vue 2.5+
el.slotScope = getAndRemoveAttr(el, 'slot-scope')
var slotTarget = getBindingAttr(el, 'slot');
if (slotTarget) {
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
if (el.tag !== 'template' && !el.slotScope) {
addAttr(el, 'slot', slotTarget)
// el.slotScope = getAndRemoveAttr(el, 'scope');
}
}
}
}
function processComponent (el) {
var binding;
if ((binding = getBindingAttr(el, 'is'))) {
el.component = binding;
}
if (getAndRemoveAttr(el, 'inline-template') != null) {
el.inlineTemplate = true;
}
}
function processAttrs (el) {
// console.info('processAttrs', el)
var list = el.attrsList;
var i, l, name, rawName, value, modifiers, isProp;
for (i = 0, l = list.length; i < l; i++) {
name = rawName = list[i].name;
value = list[i].value;
if (dirRE.test(name)) {
// mark element as dynamic
el.hasBindings = true;
// modifiers
modifiers = parseModifiers(name);
if (modifiers) {
name = name.replace(modifierRE, '');
}
if (bindRE.test(name)) { // v-bind
name = name.replace(bindRE, '');
value = parseFilters(value);
isProp = false;
if (modifiers) {
if (modifiers.prop) {
isProp = true;
name = camelize(name);
if (name === 'innerHtml') { name = 'innerHTML'; }
}
if (modifiers.camel) {
name = camelize(name);
}
if (modifiers.sync) {
addHandler(
el,
("update:" + (camelize(name))),
genAssignmentCode(value, "$event")
);
}
}
if (!el.component && (
isProp || platformMustUseProp(el.tag, el.attrsMap.type, name)
)) {
addProp(el, name, value);
} else {
addAttr(el, name, value);
}
} else if (onRE.test(name)) { // v-on
name = name.replace(onRE, '');
addHandler(el, name, value, modifiers, false, warn$1);
} else { // normal directives
name = name.replace(dirRE, '');
// parse arg
var argMatch = name.match(argRE);
var arg = argMatch && argMatch[1];
if (arg) {
name = name.slice(0, -(arg.length + 1));
}
addDirective(el, name, rawName, value, arg, modifiers);
if (process.env.NODE_ENV !== 'production' && name === 'model') {
checkForAliasModel(el, value);
}
}
} else {
// literal attribute
if (process.env.NODE_ENV !== 'production') {
var expression = parseText(value, delimiters);
if (expression) {
warn$1(
name + "=\"" + value + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div id="{{ val }}">, use <div :id="val">.'
);
}
}
addAttr(el, name, JSON.stringify(value));
}
}
}
function checkInFor (el) {
var parent = el;
while (parent) {
if (parent.for !== undefined) {
return true
}
parent = parent.parent;
}
return false
}
function parseModifiers (name) {
var match = name.match(modifierRE);
if (match) {
var ret = {};
match.forEach(function (m) { ret[m.slice(1)] = true; });
return ret
}
}
function makeAttrsMap (attrs) {
var map = {};
for (var i = 0, l = attrs.length; i < l; i++) {
if (
process.env.NODE_ENV !== 'production' &&
map[attrs[i].name] && !isIE && !isEdge
) {
warn$1('duplicate attribute: ' + attrs[i].name);
}
map[attrs[i].name] = attrs[i].value;
}
return map
}
// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
return el.tag === 'script' || el.tag === 'style'
}
function isForbiddenTag (el) {
return (
el.tag === 'style' ||
(el.tag === 'script' && (
!el.attrsMap.type ||
el.attrsMap.type === 'text/javascript'
))
)
}
var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;
/* istanbul ignore next */
function guardIESVGBug (attrs) {
var res = [];
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
if (!ieNSBug.test(attr.name)) {
attr.name = attr.name.replace(ieNSPrefix, '');
res.push(attr);
}
}
return res
}
function checkForAliasModel (el, value) {
var _el = el;
while (_el) {
if (_el.for && _el.alias === value) {
warn$1(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"You are binding v-model directly to a v-for iteration alias. " +
"This will not be able to modify the v-for source array because " +
"writing to the alias is like modifying a function local variable. " +
"Consider using an array of objects and use v-model on an object property instead."
);
}
_el = _el.parent;
}
}
/* */
var isStaticKey;
var isPlatformReservedTag;
var genStaticKeysCached = cached(genStaticKeys$1);
/**
* Goal of the optimizer: walk the generated template AST tree
* and detect sub-trees that are purely static, i.e. parts of
* the DOM that never needs to change.
*
* Once we detect these sub-trees, we can:
*
* 1. Hoist them into constants, so that we no longer need to
* create fresh nodes for them on each re-render;
* 2. Completely skip them in the patching process.
*/
function optimize (root, options) {
if (!root) { return }
isStaticKey = genStaticKeysCached(options.staticKeys || '');
isPlatformReservedTag = options.isReservedTag || no;
// first pass: mark all non-static nodes.
markStatic(root);
// second pass: mark static roots.
markStaticRoots(root, false);
}
function genStaticKeys$1 (keys) {
return makeMap(
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
(keys ? ',' + keys : '')
)
}
function markStatic (node) {
node.static = isStatic(node);
if (node.type === 1) {
// do not make component slot content static. this avoids
// 1. components not able to mutate slot nodes
// 2. static slot content fails for hot-reloading
if (
!isPlatformReservedTag(node.tag) &&
node.tag !== 'slot' &&
node.attrsMap['inline-template'] == null
) {
return
}
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i];
markStatic(child);
if (!child.static) {
node.static = false;
}
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
var block = node.ifConditions[i$1].block;
markStatic(block);
if (!block.static) {
node.static = false;
}
}
}
}
}
function markStaticRoots (node, isInFor) {
if (node.type === 1) {
if (node.static || node.once) {
node.staticInFor = isInFor;
}
// For a node to qualify as a static root, it should have children that
// are not just static text. Otherwise the cost of hoisting out will
// outweigh the benefits and it's better off to just always render it fresh.
if (node.static && node.children.length && !(
node.children.length === 1 &&
node.children[0].type === 3
)) {
node.staticRoot = true;
return
} else {
node.staticRoot = false;
}
if (node.children) {
for (var i = 0, l = node.children.length; i < l; i++) {
markStaticRoots(node.children[i], isInFor || !!node.for);
}
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
markStaticRoots(node.ifConditions[i$1].block, isInFor);
}
}
}
}
function isStatic (node) {
if (node.type === 2) { // expression
return false
}
if (node.type === 3) { // text
return true
}
return !!(node.pre || (
!node.hasBindings && // no dynamic bindings
!node.if && !node.for && // not v-if or v-for or v-else
!isBuiltInTag(node.tag) && // not a built-in
isPlatformReservedTag(node.tag) && // not a component
!isDirectChildOfTemplateFor(node) &&
Object.keys(node).every(isStaticKey)
))
}
function isDirectChildOfTemplateFor (node) {
while (node.parent) {
node = node.parent;
if (node.tag !== 'template') {
return false
}
if (node.for) {
return true
}
}
return false
}
/* */
var fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?']|\[".*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*\s*$/;
// keyCode aliases
var keyCodes = {
esc: 27,
tab: 9,
enter: 13,
space: 32,
up: 38,
left: 37,
right: 39,
down: 40,
'delete': [8, 46]
};
// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
var modifierCode = {
stop: '$event.stopPropagation();',
prevent: '$event.preventDefault();',
self: genGuard("$event.target !== $event.currentTarget"),
ctrl: genGuard("!$event.ctrlKey"),
shift: genGuard("!$event.shiftKey"),
alt: genGuard("!$event.altKey"),
meta: genGuard("!$event.metaKey"),
left: genGuard("'button' in $event && $event.button !== 0"),
middle: genGuard("'button' in $event && $event.button !== 1"),
right: genGuard("'button' in $event && $event.button !== 2")
};
function genHandlers (
events,
isNative,
warn
) {
var res = isNative ? 'nativeOn:{' : 'on:{';
for (var name in events) {
var handler = events[name];
// #5330: warn click.right, since right clicks do not actually fire click events.
if (process.env.NODE_ENV !== 'production' &&
name === 'click' &&
handler && handler.modifiers && handler.modifiers.right
) {
warn(
"Use \"contextmenu\" instead of \"click.right\" since right clicks " +
"do not actually fire \"click\" events."
);
}
res += "\"" + name + "\":" + (genHandler(name, handler)) + ",";
}
return res.slice(0, -1) + '}'
}
function genHandler (
name,
handler
) {
if (!handler) {
return 'function(){}'
}
if (Array.isArray(handler)) {
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
}
var isMethodPath = simplePathRE.test(handler.value);
var isFunctionExpression = fnExpRE.test(handler.value);
if (!handler.modifiers) {
return isMethodPath || isFunctionExpression
? handler.value
: ("function($event){" + (handler.value) + "}") // inline statement
} else {
var code = '';
var genModifierCode = '';
var keys = [];
for (var key in handler.modifiers) {
if (modifierCode[key]) {
genModifierCode += modifierCode[key];
// left/right
if (keyCodes[key]) {
keys.push(key);
}
} else {
keys.push(key);
}
}
if (keys.length) {
code += genKeyFilter(keys);
}
// Make sure modifiers like prevent and stop get executed after key filtering
if (genModifierCode) {
code += genModifierCode;
}
var handlerCode = isMethodPath
? handler.value + '($event)'
: isFunctionExpression
? ("(" + (handler.value) + ")($event)")
: handler.value;
return ("function($event){" + code + handlerCode + "}")
}
}
function genKeyFilter (keys) {
return ("if(!('button' in $event)&&" + (keys.map(genFilterCode).join('&&')) + ")return null;")
}
function genFilterCode (key) {
var keyVal = parseInt(key, 10);
if (keyVal) {
return ("$event.keyCode!==" + keyVal)
}
var alias = keyCodes[key];
return ("_k($event.keyCode," + (JSON.stringify(key)) + (alias ? ',' + JSON.stringify(alias) : '') + ")")
}
/* */
var emptyObject = Object.freeze({});
/**
* Check if a string starts with $ or _
*/
/**
* Define a property.
*/
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/* */
var uid = 0;
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid++;
this.subs = [];
};
Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub (sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend () {
if (Dep.target) {
Dep.target.addDep(this);
}
};
Dep.prototype.notify = function notify () {
// stabilize the subscriber list first
var subs = this.subs.slice();
for (var i = 0, l = subs.length; i < l; i++) {
subs[i].update();
}
};
// the current target watcher being evaluated.
// this is globally unique because there could be only one
// watcher being evaluated at any time.
Dep.target = null;
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);[
'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
]
.forEach(function (method) {
// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
/* */
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
* By default, when a reactive property is set, the new value is
* also converted to become reactive. However when passing down props,
* we don't want to force conversion because the value may be a nested value
* under a frozen data structure. Converting it would defeat the optimization.
*/
var observerState = {
shouldConvert: true
};
/**
* Observer class that are attached to each observed
* object. Once attached, the observer converts target
* object's property keys into getter/setters that
* collect dependencies and dispatches updates.
*/
var Observer = function Observer (value, key) {
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
if (key) {
this.key = key;
}
def(value, '__ob__', this);
if (Array.isArray(value)) {
var augment = hasProto
? protoAugment
: copyAugment;
augment(value, arrayMethods, arrayKeys);
this.observeArray(value);
} else {
this.walk(value);
}
};
/**
* Walk through each property and convert them into
* getter/setters. This method should only be called when
* value type is Object.
*/
Observer.prototype.walk = function walk (obj) {
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
defineReactive$$1(obj, keys[i], obj[keys[i]]);
}
};
/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment an target Object or Array by intercepting
* the prototype chain using __proto__
*/
function protoAugment (target, src, keys) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/**
* Augment an target Object or Array by defining
* hidden properties.
*/
/* istanbul ignore next */
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value, asRootData, key) {
if (!isObject(value)) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
observerState.shouldConvert &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value, key);
ob.__keyPath = ob.__keyPath ? ob.__keyPath : {};
ob.__keyPath[key] = true;
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
obj,
key,
val,
customSetter,
shallow
) {
var dep = new Dep();
var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get;
var setter = property && property.set;
var childOb = !shallow && observe(val, undefined, key);
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
}
if (Array.isArray(value)) {
dependArray(value);
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
return
}
/* eslint-enable no-self-compare */
if (process.env.NODE_ENV !== 'production' && customSetter) {
customSetter();
}
if (setter) {
setter.call(obj, newVal);
} else {
val = newVal;
}
childOb = !shallow && observe(newVal, undefined, key);
dep.notify();
obj.__keyPath = obj.__keyPath ? obj.__keyPath : {};
obj.__keyPath[key] = true;
}
});
}
/**
* Set a property on an object. Adds the new property and
* triggers change notification if the property doesn't
* already exist.
*/
function set (target, key, val) {
if (Array.isArray(target) && isValidArrayIndex(key)) {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val
}
if (hasOwn(target, key)) {
target[key] = val;
return val
}
var ob = (target).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn$2(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return val
}
if (!ob) {
target[key] = val;
return val
}
defineReactive$$1(ob.value, key, val);
// Vue.set 添加对象属性，渲染时候把 val 传给小程序渲染
if (!target.__keyPath) {
target.__keyPath = {};
}
target.__keyPath[key] = true;
ob.dep.notify();
return val
}
/**
* Delete a property and trigger change if necessary.
*/
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
}
}
}
/* */
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
var strats = config.optionMergeStrategies;
/**
* Options with restrictions
*/
if (process.env.NODE_ENV !== 'production') {
strats.el = strats.propsData = function (parent, child, vm, key) {
if (!vm) {
warn$2(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
);
}
return defaultStrat(parent, child)
};
}
/**
* Helper that recursively merges two data objects together.
*/
function mergeData (to, from) {
if (!from) { return to }
var key, toVal, fromVal;
var keys = Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set(to, key, fromVal);
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
mergeData(toVal, fromVal);
}
}
return to
}
/**
* Data
*/
function mergeDataOrFn (
parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (!parentVal) {
return childVal
}
// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn () {
return mergeData(
typeof childVal === 'function' ? childVal.call(this) : childVal,
parentVal.call(this)
)
}
} else if (parentVal || childVal) {
return function mergedInstanceDataFn () {
// instance merge
var instanceData = typeof childVal === 'function'
? childVal.call(vm)
: childVal;
var defaultData = typeof parentVal === 'function'
? parentVal.call(vm)
: undefined;
if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
}
strats.data = function (
parentVal,
childVal,
vm
) {
if (!vm) {
if (childVal && typeof childVal !== 'function') {
process.env.NODE_ENV !== 'production' && warn$2(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm
);
return parentVal
}
return mergeDataOrFn.call(this, parentVal, childVal)
}
return mergeDataOrFn(parentVal, childVal, vm)
};
/**
* Hooks and props are merged as arrays.
*/
function mergeHook (
parentVal,
childVal
) {
return childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal
}
LIFECYCLE_HOOKS.forEach(function (hook) {
strats[hook] = mergeHook;
});
/**
* Assets
*
* When a vm is present (instance creation), we need to do
* a three-way merge between constructor options, instance
* options and parent options.
*/
function mergeAssets (parentVal, childVal) {
var res = Object.create(parentVal || null);
return childVal
? extend(res, childVal)
: res
}
ASSET_TYPES.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers.
*
* Watchers hashes should not overwrite one
* another, so we merge them as arrays.
*/
strats.watch = function (parentVal, childVal) {
// work around Firefox's Object.prototype.watch...
if (parentVal === nativeWatch) { parentVal = undefined; }
if (childVal === nativeWatch) { childVal = undefined; }
/* istanbul ignore if */
if (!childVal) { return Object.create(parentVal || null) }
if (!parentVal) { return childVal }
var ret = {};
extend(ret, parentVal);
for (var key in childVal) {
var parent = ret[key];
var child = childVal[key];
if (parent && !Array.isArray(parent)) {
parent = [parent];
}
ret[key] = parent
? parent.concat(child)
: Array.isArray(child) ? child : [child];
}
return ret
};
/**
* Other object hashes.
*/
strats.props =
strats.methods =
strats.inject =
strats.computed = function (parentVal, childVal) {
if (!childVal) { return Object.create(parentVal || null) }
if (!parentVal) { return childVal }
var ret = Object.create(null);
extend(ret, parentVal);
extend(ret, childVal);
return ret
};
strats.provide = mergeDataOrFn;
/**
* Default strategy.
*/
var defaultStrat = function (parentVal, childVal) {
return childVal === undefined
? parentVal
: childVal
};
/**
* Merge two option objects into a new one.
* Core utility used in both instantiation and inheritance.
*/
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
/* */
/* */
/* */
function on (el, dir) {
if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
warn$2("v-on without argument does not support modifiers.");
}
el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}
/* */
function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
};
}
/* */
var baseDirectives = {
on: on,
bind: bind$1,
cloak: noop
};
/* */
var CodegenState = function CodegenState (options) {
this.options = options;
this.warn = options.warn || baseWarn;
this.transforms = pluckModuleFunction(options.modules, 'transformCode');
this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
this.directives = extend(extend({}, baseDirectives), options.directives);
var isReservedTag = options.isReservedTag || no;
this.maybeComponent = function (el) { return !isReservedTag(el.tag); };
this.onceId = 0;
this.staticRenderFns = [];
};
function generate$1 (
ast,
options
) {
var state = new CodegenState(options);
var code = ast ? genElement(ast, state) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
function genElement (el, state) {
if (el.staticRoot && !el.staticProcessed) {
return genStatic(el, state)
} else if (el.once && !el.onceProcessed) {
return genOnce(el, state)
} else if (el.for && !el.forProcessed) {
return genFor(el, state)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.tag === 'template' && !el.slotTarget) {
return genChildren(el, state) || 'void 0'
} else if (el.tag === 'slot') {
return genSlot(el, state)
} else {
// component or element
var code;
if (el.component) {
code = genComponent(el.component, el, state);
} else {
var data = el.plain ? undefined : genData$2(el, state);
var children = el.inlineTemplate ? null : genChildren(el, state, true);
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
}
// module transforms
for (var i = 0; i < state.transforms.length; i++) {
code = state.transforms[i](el, code);
}
return code
}
}
// hoist static sub-trees out
function genStatic (el, state) {
el.staticProcessed = true;
state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}
// v-once
function genOnce (el, state) {
el.onceProcessed = true;
if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.staticInFor) {
var key = '';
var parent = el.parent;
while (parent) {
if (parent.for) {
key = parent.key;
break
}
parent = parent.parent;
}
if (!key) {
process.env.NODE_ENV !== 'production' && state.warn(
"v-once can only be used inside v-for that is keyed. "
);
return genElement(el, state)
}
return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + (key ? ("," + key) : "") + ")")
} else {
return genStatic(el, state)
}
}
function genIf (
el,
state,
altGen,
altEmpty
) {
el.ifProcessed = true; // avoid recursion
return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}
function genIfConditions (
conditions,
state,
altGen,
altEmpty
) {
if (!conditions.length) {
return altEmpty || '_e()'
}
var condition = conditions.shift();
if (condition.exp) {
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
} else {
return ("" + (genTernaryExp(condition.block)))
}
// v-if with v-once should generate code like (a)?_m(0):_m(1)
function genTernaryExp (el) {
return altGen
? altGen(el, state)
: el.once
? genOnce(el, state)
: genElement(el, state)
}
}
function genFor (
el,
state,
altGen,
altHelper
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
if (process.env.NODE_ENV !== 'production' &&
state.maybeComponent(el) &&
el.tag !== 'slot' &&
el.tag !== 'template' &&
!el.key
) {
state.warn(
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
"v-for should have explicit keys. " +
"See https://vuejs.org/guide/list.html#key for more info.",
true /* tip */
);
}
el.forProcessed = true; // avoid recursion
return (altHelper || '_l') + "((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + ((altGen || genElement)(el, state)) +
'})'
}
function genData$2 (el, state) {
var data = '{';
// directives first.
// directives may mutate the el's other properties before they are generated.
var dirs = genDirectives(el, state);
if (dirs) { data += dirs + ','; }
// key
if (el.key) {
data += "key:" + (el.key) + ",";
}
// ref
if (el.ref) {
data += "ref:" + (el.ref) + ",";
}
if (el.refInFor) {
data += "refInFor:true,";
}
// pre
if (el.pre) {
data += "pre:true,";
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\",";
}
// module data generation functions
for (var i = 0; i < state.dataGenFns.length; i++) {
data += state.dataGenFns[i](el);
}
// attributes
if (el.attrs) {
data += "attrs:{" + (genProps(el.attrs)) + "},";
}
// DOM props
if (el.props) {
data += "domProps:{" + (genProps(el.props)) + "},";
}
// event handlers
if (el.events) {
data += (genHandlers(el.events, false, state.warn)) + ",";
}
if (el.nativeEvents) {
data += (genHandlers(el.nativeEvents, true, state.warn)) + ",";
}
// slot target
if (el.slotTarget) {
data += "slot:" + (el.slotTarget) + ",";
}
// scoped slots
if (el.scopedSlots) {
data += (genScopedSlots(el.scopedSlots, state)) + ",";
}
// component v-model
if (el.model) {
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
}
// inline-template
if (el.inlineTemplate) {
var inlineTemplate = genInlineTemplate(el, state);
if (inlineTemplate) {
data += inlineTemplate + ",";
}
}
data = data.replace(/,$/, '') + '}';
// v-bind data wrap
if (el.wrapData) {
data = el.wrapData(data);
}
// v-on data wrap
if (el.wrapListeners) {
data = el.wrapListeners(data);
}
return data
}
function genDirectives (el, state) {
var dirs = el.directives;
if (!dirs) { return }
var res = 'directives:[';
var hasRuntime = false;
var i, l, dir, needRuntime;
for (i = 0, l = dirs.length; i < l; i++) {
dir = dirs[i];
needRuntime = true;
var gen = state.directives[dir.name];
if (gen) {
// compile-time directive that manipulates AST.
// returns true if it also needs a runtime counterpart.
needRuntime = !!gen(el, dir, state.warn);
}
if (needRuntime) {
hasRuntime = true;
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
}
}
if (hasRuntime) {
return res.slice(0, -1) + ']'
}
}
function genInlineTemplate (el, state) {
var ast = el.children[0];
if (process.env.NODE_ENV !== 'production' && (
el.children.length > 1 || ast.type !== 1
)) {
state.warn('Inline-template components must have exactly one child element.');
}
if (ast.type === 1) {
var inlineRenderFns = generate$1(ast, state.options);
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
}
}
function genScopedSlots (
slots,
state
) {
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) {
return genScopedSlot(key, slots[key], state)
}).join(',')) + "])")
}
function genScopedSlot (
key,
el,
state
) {
if (el.for && !el.forProcessed) {
return genForScopedSlot(key, el, state)
}
return "{key:" + key + ",fn:function(" + (String(el.slotScope)) + "){" +
"return " + (el.tag === 'template'
? genChildren(el, state) || 'void 0'
: genElement(el, state)) + "}}"
}
function genForScopedSlot (
key,
el,
state
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
el.forProcessed = true; // avoid recursion
return "_l((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + (genScopedSlot(key, el, state)) +
'})'
}
function genChildren (
el,
state,
checkSkip,
altGenElement,
altGenNode
) {
var children = el.children;
if (children.length) {
var el$1 = children[0];
// optimize single v-for
if (children.length === 1 &&
el$1.for &&
el$1.tag !== 'template' &&
el$1.tag !== 'slot'
) {
return (altGenElement || genElement)(el$1, state)
}
var normalizationType = checkSkip
? getNormalizationType(children, state.maybeComponent)
: 0;
var gen = altGenNode || genNode;
return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : ''))
}
}
// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
children,
maybeComponent
) {
var res = 0;
for (var i = 0; i < children.length; i++) {
var el = children[i];
if (el.type !== 1) {
continue
}
if (needsNormalization(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
res = 2;
break
}
if (maybeComponent(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
res = 1;
}
}
return res
}
function needsNormalization (el) {
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}
function genNode (node, state) {
if (node.type === 1) {
return genElement(node, state)
} if (node.type === 3 && node.isComment) {
return genComment(node)
} else {
return genText(node)
}
}
function genText (text) {
return ("_v(" + (text.type === 2
? text.expression // no need for () because already wrapped in _s()
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}
function genComment (comment) {
return ("_e('" + (comment.text) + "')")
}
function genSlot (el, state) {
var slotName = el.slotName || '"default"';
var children = genChildren(el, state);
var res = "_t(" + slotName + (children ? ("," + children) : '');
var attrs = el.attrs && ("{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}");
var bind$$1 = el.attrsMap['v-bind'];
if ((attrs || bind$$1) && !children) {
res += ",null";
}
if (attrs) {
res += "," + attrs;
}
if (bind$$1) {
res += (attrs ? '' : ',null') + "," + bind$$1;
}
return res + ')'
}
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
componentName,
el,
state
) {
var children = el.inlineTemplate ? null : genChildren(el, state, true);
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}
function genProps (props) {
var res = '';
for (var i = 0; i < props.length; i++) {
var prop = props[i];
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
}
return res.slice(0, -1)
}
// #3895, #4268
function transformSpecialNewlines (text) {
return text
.replace(/\u2028/g, '\\u2028')
.replace(/\u2029/g, '\\u2029')
}
/* */
// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var 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'
).split(',').join('\\b|\\b') + '\\b');
// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
// check valid identifier for v-for
var identRE = /[A-Za-z_$][\w$]*/;
// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template
function detectErrors (ast) {
var errors = [];
if (ast) {
checkNode(ast, errors);
}
return errors
}
function checkNode (node, errors) {
if (node.type === 1) {
for (var name in node.attrsMap) {
if (dirRE.test(name)) {
var value = node.attrsMap[name];
if (value) {
if (name === 'v-for') {
checkFor(node, ("v-for=\"" + value + "\""), errors);
} else if (onRE.test(name)) {
checkEvent(value, (name + "=\"" + value + "\""), errors);
} else {
checkExpression(value, (name + "=\"" + value + "\""), errors);
}
}
}
}
if (node.children) {
for (var i = 0; i < node.children.length; i++) {
checkNode(node.children[i], errors);
}
}
} else if (node.type === 2) {
checkExpression(node.expression, node.text, errors);
}
}
function checkEvent (exp, text, errors) {
var stipped = exp.replace(stripStringRE, '');
var keywordMatch = stipped.match(unaryOperatorsRE);
if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
errors.push(
"avoid using JavaScript unary operator as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
}
checkExpression(exp, text, errors);
}
function checkFor (node, text, errors) {
checkExpression(node.for || '', text, errors);
checkIdentifier(node.alias, 'v-for alias', text, errors);
checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
}
function checkIdentifier (ident, type, text, errors) {
if (typeof ident === 'string' && !identRE.test(ident)) {
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
}
}
function checkExpression (exp, text, errors) {
try {
new Function(("return " + exp));
} catch (e) {
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
if (keywordMatch) {
errors.push(
"avoid using JavaScript keyword as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
} else {
errors.push(("invalid expression: " + (text.trim())));
}
}
}
/* */
function createFunction (code, errors) {
try {
return new Function(code)
} catch (err) {
errors.push({ err: err, code: code });
return noop
}
}
function createCompileToFunctionFn (compile) {
var cache = Object.create(null);
return function compileToFunctions (
template$$1,
options,
vm
) {
options = options || {};
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
// detect possible CSP restriction
try {
new Function('return 1');
} catch (e) {
if (e.toString().match(/unsafe-eval|CSP/)) {
warn$2(
'It seems you are using the standalone build of Vue.js in an ' +
'environment with Content Security Policy that prohibits unsafe-eval. ' +
'The template compiler cannot work in this environment. Consider ' +
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
'templates into render functions.'
);
}
}
}
// check cache
var key = options.delimiters
? String(options.delimiters) + template$$1
: template$$1;
if (cache[key]) {
return cache[key]
}
// compile
var compiled = compile(template$$1, options);
// check compilation errors/tips
if (process.env.NODE_ENV !== 'production') {
if (compiled.errors && compiled.errors.length) {
warn$2(
"Error compiling template:\n\n" + template$$1 + "\n\n" +
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
vm
);
}
if (compiled.tips && compiled.tips.length) {
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
}
}
// turn code into functions
var res = {};
var fnGenErrors = [];
res.render = createFunction(compiled.render, fnGenErrors);
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
return createFunction(code, fnGenErrors)
});
// check function generation errors.
// this should only happen if there is a bug in the compiler itself.
// mostly for codegen development use
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
warn$2(
"Failed to generate render function:\n\n" +
fnGenErrors.map(function (ref) {
var err = ref.err;
var code = ref.code;
return ((err.toString()) + " in\n\n" + code + "\n");
}).join('\n'),
vm
);
}
}
return (cache[key] = res)
}
}
/* */
function createCompilerCreator (baseCompile) {
return function createCompiler (baseOptions) {
function compile (
template$$1,
options
) {
var finalOptions = Object.create(baseOptions);
var errors = [];
var tips = [];
finalOptions.warn = function (msg, tip) {
(tip ? tips : errors).push(msg);
};
if (options) {
// merge custom modules
if (options.modules) {
finalOptions.modules =
(baseOptions.modules || []).concat(options.modules);
}
// merge custom directives
if (options.directives) {
finalOptions.directives = extend(
Object.create(baseOptions.directives),
options.directives
);
}
// copy other options
for (var key in options) {
if (key !== 'modules' && key !== 'directives') {
finalOptions[key] = options[key];
}
}
}
var compiled = baseCompile(template$$1, finalOptions);
if (process.env.NODE_ENV !== 'production') {
errors.push.apply(errors, detectErrors(compiled.ast));
}
compiled.errors = errors;
compiled.tips = tips;
return compiled
}
return {
compile: compile,
compileToFunctions: createCompileToFunctionFn(compile)
}
}
}
var tagMap = {
'br': 'view',
'hr': 'view',
'p': 'view',
'h1': 'view',
'h2': 'view',
'h3': 'view',
'h4': 'view',
'h5': 'view',
'h6': 'view',
'abbr': 'view',
'address': 'view',
'b': 'view',
'bdi': 'view',
'bdo': 'view',
'blockquote': 'view',
'cite': 'view',
'code': 'view',
'del': 'view',
'ins': 'view',
'dfn': 'view',
'em': 'view',
'strong': 'view',
'samp': 'view',
'kbd': 'view',
'var': 'view',
'i': 'view',
'mark': 'view',
'pre': 'view',
'q': 'view',
'ruby': 'view',
'rp': 'view',
'rt': 'view',
's': 'view',
'small': 'view',
'sub': 'view',
'sup': 'view',
'time': 'view',
'u': 'view',
'wbr': 'view',
// 表单元素
'form': 'form',
'input': 'input',
'textarea': 'textarea',
'button': 'button',
'select': 'picker',
'option': 'view',
'optgroup': 'view',
'label': 'label',
'fieldset': 'view',
'datalist': 'picker',
'legend': 'view',
'output': 'view',
// 框架
'iframe': 'view',
// 图像
'img': 'image',
'canvas': 'canvas',
'figure': 'view',
'figcaption': 'view',
// 音视频
'audio': 'audio',
'source': 'audio',
'video': 'video',
'track': 'video',
// 链接
'a': 'navigator',
'nav': 'view',
'link': 'navigator',
// 列表
'ul': 'view',
'ol': 'view',
'li': 'view',
'dl': 'view',
'dt': 'view',
'dd': 'view',
'menu': 'view',
'command': 'view',
// 表格table
'table': 'view',
'caption': 'view',
'th': 'view',
'td': 'view',
'tr': 'view',
'thead': 'view',
'tbody': 'view',
'tfoot': 'view',
'col': 'view',
'colgroup': 'view',
// 样式 节
'div': 'view',
'main': 'view',
'span': 'label',
'header': 'view',
'footer': 'view',
'section': 'view',
'article': 'view',
'aside': 'view',
'details': 'view',
'dialog': 'view',
'summary': 'view',
'progress': 'progress',
'meter': 'progress', // todo
'head': 'view', // todo
'meta': 'view', // todo
'base': 'text', // todo
// 'map': 'image', // TODO不是很恰当
'area': 'navigator', // j结合map使用
'script': 'view',
'noscript': 'view',
'embed': 'view',
'object': 'view',
'param': 'view',
// https://mp.weixin.qq.com/debug/wxadoc/dev/component/
// [...document.querySelectorAll('.markdown-section tbody td:first-child')].map(v => v.textContent).join(',\n')
'view': 'view',
'scroll-view': 'scroll-view',
'swiper': 'swiper',
'icon': 'icon',
'text': 'text',
// 'progress': 'progress',
// 'button': 'button',
// 'form': 'form',
// 'input': 'input',
'checkbox': 'checkbox',
'radio': 'radio',
'picker': 'picker',
'picker-view': 'picker-view',
'slider': 'slider',
'switch': 'switch',
// 'label': 'label',
'navigator': 'navigator',
// 'audio': 'audio',
'image': 'image',
// 'video': 'video',
'map': 'map',
// 'canvas': 'canvas',
'contact-button': 'contact-button',
'block': 'block'
};
function maybeTag (tagName) {
return tagMap[tagName]
}
function getWxEleId (index, arr) {
if (!arr || !arr.length) {
return ("'" + index + "'")
}
var str = arr.join("+'-'+");
return ("'" + index + "-'+" + str)
}
// 检查不允许在 v-for 的时候出现2个及其以上相同 iterator1
function checkRepeatIterator (arr, options) {
var len = arr.length;
if (len > 1 && len !== new Set(arr).size) {
options.warn(("同一组件内嵌套的 v-for 不能连续使用相同的索引，目前为: " + arr), false);
}
}
function fixDefaultIterator (path) {
var forText = path.for;
var iterator1 = path.iterator1;
if (forText && !iterator1) {
path.iterator1 = 'index';
}
}
function addAttr$1 (path, key, value, inVdom) {
path[key] = value;
path.plain = false;
// path.attrsMap[key] = value
if (!inVdom) {
path.attrsMap[("data-" + key)] = "{{" + value + "}}";
}
// if (!path.attrsList) {
// path.attrsList = []
// }
// path.attrsList.push({ name: `':${key}'`, value })
if (!path.attrs) {
path.attrs = [];
}
path.attrs.push({ name: key, value: value });
}
function mark (path, options, deps, iteratorArr) {
if ( iteratorArr === void 0 ) iteratorArr = [];
fixDefaultIterator(path);
var tag = path.tag;
var children = path.children;
var iterator1 = path.iterator1;
var events = path.events;
var directives = path.directives;
var ifConditions = path.ifConditions;
var currentArr = Object.assign([], iteratorArr);
if (iterator1) {
currentArr.push(iterator1);
}
checkRepeatIterator(currentArr, options);
// 递归子节点
if (children && children.length) {
children.forEach(function (v, i) {
// const counterIterator = children.slice(0, i).filter(v => v.for).map(v => v.for + '.length').join(`+'-'+`)
mark(v, options, deps, currentArr);
});
}
// fix: v-else events
if (ifConditions && ifConditions.length > 1) {
ifConditions.slice(1).forEach(function (v, i) {
mark(v.block, options, deps, currentArr);
});
}
// for mpvue-template-compiler
// events || v-model
var hasModel = directives && directives.find(function (v) { return v.name === 'model'; });
var needEventsID = events || hasModel;
if (needEventsID) {
var eventId = getWxEleId(deps.eventIndex, currentArr);
// const eventId = getWxEleId(eIndex, currentArr)
addAttr$1(path, 'eventid', eventId);
path.attrsMap['data-comkey'] = '{{$k}}';
deps.eventIndex += 1;
// eIndex += 1
}
// 子组件
if (!tag || maybeTag(tag)) {
return
}
// eg. '1-'+i+'-'+j
var value = getWxEleId(deps.comIndex, currentArr);
addAttr$1(path, 'mpcomid', value, true);
path['mpcomid'] = value;
deps.comIndex += 1;
}
// 全局的事件触发器 ID
// let eIndex = 0
function markComponent (ast, options) {
var deps = { comIndex: 0, eventIndex: 0 };
mark(ast, options, deps);
return ast
}
/* */
// for mp
// `createCompilerCreator` allows creating compilers that use alternative
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
// Here we just export a default compiler using the default parts.
var createCompiler = createCompilerCreator(function baseCompile (
template$$1,
options
) {
var originAst = parse(template$$1.trim(), options);
var ast = markComponent(originAst, options);
optimize(ast, options);
var code = generate$1(ast, options);
return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
}
});
// type：
// 0, 默认值, 拼接 ${name}={{ ${content} }}
// 1, 拼接 ${name}
// 2, 拼接 ${map[key]}={{ '${content}' }}
// 3, 拼接 {{ ${content} }}
// 4, 拼接为空字符串
// 5, 不需要在wxml上表现出来，可直接清除
var noSupport = {
type: 4,
check: function (k, v, errors) {
errors(("不支持此指令: " + k + "=\"" + v + "\""));
return false
}
};
var wxmlDirectiveMap = {
'v-if': {
name: 'wx:if',
type: 0
},
'v-else-if': {
name: 'wx:elif',
type: 0
},
'v-else': {
name: 'wx:else',
type: 1
},
'v-text': {
name: '',
type: 1
},
'v-html': {
name: '',
type: 1
},
'v-on': {
name: '',
map: {
click: 'tap',
touchstart: 'touchstart',
touchmove: 'touchmove',
touchcancel: 'touchcancel',
touchend: 'touchend',
tap: 'tap',
longtap: 'longtap',
input: 'input',
change: 'change',
submit: 'submit',
blur: 'blur',
focus: 'focus',
reset: 'reset',
confirm: 'confirm',
columnchange: 'columnchange',
linechange: 'linechange',
error: 'error',
scrolltoupper: 'scrolltoupper',
scrolltolower: 'scrolltolower',
scroll: 'scroll',
load: 'load'
},
type: 2
},
'v-bind': {
name: '',
map: {
'href': 'url'
},
type: 3
},
'href': {
name: 'url',
type: 2
},
'v-pre': noSupport,
'v-cloak': noSupport,
'v-once': {
name: '',
type: 5
}
};
var tagConfig = {
virtualTag: ['slot', 'template', 'block']
};
// babel-plugin-transform-object-to-ternary-operator.js
function getStrByNode (node, onlyStr) {
if ( onlyStr === void 0 ) onlyStr = false;
if (onlyStr) {
return node.value || node.name || ''
}
return node.type === 'StringLiteral' ? node : t.stringLiteral(node.name || '')
}
// 把 { key: value } 转换成 [ value ? 'key' : '' ]
var objectVisitor = {
ObjectExpression: function (path) {
var elements = path.node.properties.map(function (propertyItem) {
return t.conditionalExpression(propertyItem.value, getStrByNode(propertyItem.key), t.stringLiteral(''))
});
path.replaceWith(t.arrayExpression(elements));
}
};
function transformObjectToTernaryOperator (babel$$1) {
return { visitor: objectVisitor }
}
// 把 { key: value } 转换成 'key:' + value + ';'
var objectToStringVisitor = {
ObjectExpression: function (path) {
var expression = path.node.properties.map(function (propertyItem) {
var keyStr = getStrByNode(propertyItem.key, true);
var key = keyStr ? hyphenate(keyStr) : keyStr;
var ref = generate(t.ExpressionStatement(propertyItem.value));
var val = ref.code;
return ("'" + key + ":' + (" + (val.slice(0, -1)) + ") + ';'")
}).join('+');
var p = template(expression)({});
path.replaceWith(p.expression);
}
};
function transformObjectToString (babel$$1) {
return { visitor: objectToStringVisitor }
}
function transformDynamicClass (staticClass, clsBinding) {
if ( staticClass === void 0 ) staticClass = '';
var result = babel.transform(("!" + clsBinding), { plugins: [transformObjectToTernaryOperator] });
// 先实现功能，再优化代码
// https://github.com/babel/babel/issues/7138
var cls = prettier.format(result.code, { semi: false, singleQuote: true }).slice(1).slice(0, -1).replace(/\n|\r/g, '');
return (staticClass + " {{" + cls + "}}")
}
function transformDynamicStyle (staticStyle, styleBinding) {
if ( staticStyle === void 0 ) staticStyle = '';
var result = babel.transform(("!" + styleBinding), { plugins: [transformObjectToString] });
var cls = prettier.format(result.code, { semi: false, singleQuote: true }).slice(1).slice(0, -1).replace(/\n|\r/g, '');
return (staticStyle + " {{" + cls + "}}")
}
var attrs = {
format: function format (attrs) {
if ( attrs === void 0 ) attrs = {};
var obj = {};
Object.keys(attrs).map(function (key) {
var val = attrs[key];
obj[key.replace('@', 'v-on:').replace(/^:/, 'v-bind:')] = val;
});
return obj
},
convertAttr: function convertAttr (ast, log) {
var this$1 = this;
var attrsMap = ast.attrsMap; if ( attrsMap === void 0 ) attrsMap = {};
var tag = ast.tag;
var staticClass = ast.staticClass;
var attrs = {};
var wxClass = this.classObj(attrsMap['v-bind:class'], staticClass);
wxClass.length ? attrsMap['class'] = wxClass : '';
var wxStyle = this.styleObj(attrsMap['v-bind:style'], attrsMap['style']);
wxStyle.length ? attrsMap['style'] = wxStyle : '';
Object.keys(attrsMap).map(function (key) {
var val = attrsMap[key];
if (key === 'v-bind:class' || key === 'v-bind:style') {
return
}
if (key === 'v-text') {
ast.children.unshift({
text: ("{{" + val + "}}"),
type: 3
});
} else if (key === 'v-html') {
ast.tag = 'rich-text';
attrs['nodes'] = "{{" + val + "}}";
} else if (key === 'v-show') {
attrs['hidden'] = "{{!(" + val + ")}}";
} else if (/^v\-on\:/i.test(key)) {
attrs = this$1.event(key, val, attrs, tag);
} else if (/^v\-bind\:/i.test(key)) {
attrs = this$1.bind(key, val, attrs, tag, attrsMap['wx:key']);
} else if (/^v\-model/.test(key)) {
attrs = this$1.model(key, val, attrs, tag, log);
} else if (wxmlDirectiveMap[key]) {
var ref = wxmlDirectiveMap[key] || {};
var name = ref.name; if ( name === void 0 ) name = '';
var type = ref.type;
var map = ref.map; if ( map === void 0 ) map = {};
var check = ref.check;
if (!(check && !check(key, val, log)) && !(!name || typeof type !== 'number')) {
// 见 ./wxmlDirectiveMap.js 注释
if (type === 0) {
attrs[name] = "{{" + val + "}}";
}
if (type === 1) {
attrs[name] = undefined;
}
if (type === 2) {
attrs[name] = val;
}
if (type === 3) {
attrs[map[name] || name] = "{{" + val + "}}";
return
}
}
} else if (/^v\-/.test(key)) {
log(("不支持此属性-> " + key + "=\"" + val + "\""), 'waring');
} else {
if ((tagConfig.virtualTag.indexOf(tag) > -1) && (key === 'class' || key === 'style' || key === 'data-mpcomid')) {
if (key !== 'data-mpcomid') {
log(("template 不支持此属性-> " + key + "=\"" + val + "\""), 'waring');
}
} else {
attrs[key] = val;
}
}
});
ast.attrsMap = attrs;
return ast
},
event: function event (key, val, attrs, tag) {
// 小程序能力所致，bind 和 catch 事件同时绑定时候，只会触发 bind ,catch 不会被触发。
// .stop 的使用会阻止冒泡，但是同时绑定了一个非冒泡事件，会导致该元素上的 catchEventName 失效！
// .prevent 可以直接干掉，因为小程序里没有什么默认事件，比如submit并不会跳转页面
// .capture 不能做，因为小程序没有捕获类型的事件
// .self 没有可以判断的标识
// .once 也不能做，因为小程序没有 removeEventListener, 虽然可以直接在 handleProxy 中处理，但非常的不优雅，违背了原意，暂不考虑
var name = key.replace(/^v\-on\:/i, '').replace(/\.prevent/i, '');
var ref = name.split('.');
var eventName = ref[0];
var eventNameMap = ref.slice(1);
var eventMap = wxmlDirectiveMap['v-on'];
var check = wxmlDirectiveMap.check;
if (check) {
check(key, val);
}
var wxmlEventName = '';
if (eventName === 'change' && (tag === 'input' || tag === 'textarea')) {
wxmlEventName = 'blur';
} else {
wxmlEventName = eventMap.map[eventName];
}
var eventType = 'bind';
var isStop = eventNameMap.includes('stop');
if (eventNameMap.includes('capture')) {
eventType = isStop ? 'capture-catch:' : 'capture-bind:';
} else if (isStop) {
eventType = 'catch';
}
wxmlEventName = eventType + (wxmlEventName || eventName);
attrs[wxmlEventName] = 'handleProxy';
return attrs
},
bind: function bind (key, val, attrs, tag, isIf) {
var name = key.replace(/^v\-bind\:/i, '');
if (isIf && name === 'key') {
attrs['wx:key'] = val;
}
if (tag === 'template') {
return attrs
}
if (name === 'href') {
attrs['url'] = "{{" + val + "}}";
} else {
attrs[name] = "{{" + val + "}}";
}
return attrs
},
classObj: function classObj (clsBinding, staticCls) {
if ( clsBinding === void 0 ) clsBinding = '';
if (!clsBinding && !staticCls) {
return ''
}
if (!clsBinding && staticCls) {
return staticCls
}
return transformDynamicClass(staticCls, clsBinding)
},
styleObj: function styleObj (styleBinding, staticStyle) {
if ( styleBinding === void 0 ) styleBinding = '';
if (!styleBinding && !staticStyle) {
return ''
}
if (!styleBinding && staticStyle) {
return staticStyle
}
return transformDynamicStyle(staticStyle, styleBinding)
},
model: function model (key, val, attrs, tag) {
var isFormInput = tag === 'input' || tag === 'textarea';
attrs['value'] = "{{" + val + "}}";
if (key === 'v-model.lazy') {
if (isFormInput) {
attrs['bindblur'] = 'handleProxy';
} else {
attrs['bindchange'] = 'handleProxy';
}
} else {
if (isFormInput) {
attrs['bindinput'] = 'handleProxy';
} else {
attrs['bindchange'] = 'handleProxy';
}
}
return attrs
}
};
function getSlotsName (obj) {
if (!obj) {
return ''
}
// wxml模板中 data="{{ a:{a1:'string2'}, b:'string'}}" 键a不能放在最后，会出错
return tmplateSlotsObj(obj)
.concat(
Object.keys(obj).map(function(k) {
return '$slot' + k + ":'" + obj[k] + "'"
})
)
.join(',')
}
function tmplateSlotsObj(obj) {
if (!obj) {
return []
}
// wxml模板中 data="{{ a:{a1:'string2'}, b:'string'}}" 键a1不能写成 'a1' 带引号的形式，会出错
var $for = Object.keys(obj)
.map(function(k) {
return (k + ":'" + (obj[k]) + "'")
})
.join(',');
return $for ? [("$for:{" + $for + "}")] : []
}
var component = {
isComponent: function isComponent (tagName, components) {
if ( components === void 0 ) components = {};
return !!components[tagName]
},
convertComponent: function convertComponent (ast, components, slotName) {
console.group('convertComponent', slotName)
console.warn(JSON.stringify(ast.attrsMap), JSON.stringify(ast.attrsList))
var attrsMap = ast.attrsMap;
var attrsList = ast.attrsList;
var tag = ast.tag;
var mpcomid = ast.mpcomid;
var slots = ast.slots;
if (slotName) {
const { alias, for: forName, iterator1 } = ast.parent
const hasFor = forName && alias
if (hasFor) {
// scope-slot 情况
const varRootStr = "$root[$k]"
const aliasFull = "['" + forName + "'][" + iterator1 + "]"
let $scopeStr = '{ '
const genKeyStr = replaceVarSimple(alias, aliasFull)
attrsList.forEach(function({name, value}) {
if(name.startsWith('v-bind')){
const bindTarget = name.slice('v-bind'.length + 1)
const pathStr = genKeyStr(value)
const varSep = pathStr[0] === '[' ? '' : '.'
const bindValStr = varRootStr + varSep + pathStr + ' ,'
if (!bindTarget) {
$scopeStr += '...' + bindValStr
} else {
$scopeStr += bindTarget + ': ' + bindValStr
}
console.info('bindTarget', bindTarget, bindValStr )
}
})
$scopeStr = $scopeStr.replace(/,?$/, ' }')
attrsMap['data'] = "{{ ...$root[$p], ...$root[$k], $root, $scopedata: "+ $scopeStr +" }}";
} else {
attrsMap['data'] = "{{...$root[$p], ...$root[$k], $root}}";
}
// bindedName is available when rendering slot in v-for
var bindedName = attrsMap['v-bind:name'];
if(bindedName) {
attrsMap['is'] = "{{$for[" + bindedName + "]}}";
} else {
attrsMap['is'] = "{{" + slotName + "}}";
}
} else {
var slotsName = getSlotsName(slots);
var restSlotsName = slotsName ? (", " + slotsName) : '';
attrsMap['data'] = "{{...$root[$kk+" + mpcomid + "], $root" + restSlotsName + "}}";
attrsMap['is'] = components[tag].name;
}
console.warn('-')
console.groupEnd()
return ast
}
};
var tag = function (ast, options) {
const { fromSlotScope } = ast
const hasScope = ast.attrsMap && ast.attrsMap['slot-scope']
const logger = lary(!!true)
logger('group')('tag')
logger('info')(options, ast)
var tag = ast.tag;
var elseif = ast.elseif;
var elseText = ast.else;
var forText = ast.for;
var staticClass = ast.staticClass; if ( staticClass === void 0 ) staticClass = '';
var attrsMap = ast.attrsMap; if ( attrsMap === void 0 ) attrsMap = {};
var components = options.components;
var ifText = attrsMap['v-if'];
var href = attrsMap.href;
var bindHref = attrsMap['v-bind:href'];
var name = attrsMap.name;
if (!tag) {
logger('info')('- -')
logger('groupEnd')()
return ast
}
var isComponent = component.isComponent(tag, components);
if (tag !== 'template' && tag !== 'block' && tag !== 'slot' && !isComponent) {
ast.staticClass = staticClass ? ("_" + tag + " " + staticClass) : ("_" + tag);
}
ast.tag = tagMap[tag] || tag;
var isSlot = tag === 'slot' || ast.slotScope
console.log('-', ifText, elseif, elseText, forText, tag, isComponent, isSlot)
if ((ifText || elseif || elseText || forText) && tag === 'template') {
ast.tag = 'block';
} else if (isComponent || (isSlot && !fromSlotScope)) {
var originSlotName = name || 'default';
var slotName = isSlot ? ("$slot" + originSlotName + " || '" + originSlotName + "'") : undefined;
// 用完必须删除，不然会被编译成 <template name="xxx"> 在小程序中就会表示这是一个模版申明而不是使用，小程序中不能同时申明和使用模版
delete ast.attrsMap.name;
ast = component.convertComponent(ast, components, slotName);
ast.tag = 'template';
} else if (tag === 'a' && !(href || bindHref)) {
ast.tag = 'view';
} else if (ast.events && ast.events.scroll) {
ast.tag = 'scroll-view';
} else if (tag === 'input') {
var type = attrsMap.type;
if (type && ['button', 'checkbox', 'radio'].indexOf(type) > -1) {
delete ast.attrsMap.type;
ast.tag = type;
}
if (type === 'button') {
ast.children.push({
text: attrsMap.value || '',
type: 3
});
delete ast.attrsMap.value;
}
}
logger('info')('-', ast.code)
logger('groupEnd')()
return ast
};
var astMap = {
if: 'wx:if',
iterator1: 'wx:for-index',
key: 'wx:key',
alias: 'wx:for-item',
'v-for': 'wx:for'
};
var convertFor = function (ast) {
var iterator1 = ast.iterator1;
var forText = ast.for;
var key = ast.key;
var alias = ast.alias;
var attrsMap = ast.attrsMap;
if (forText) {
attrsMap[astMap['v-for']] = "{{" + forText + "}}";
if (iterator1) {
attrsMap[astMap['iterator1']] = iterator1;
}
if (key) {
attrsMap[astMap['key']] = key;
}
if (alias) {
attrsMap[astMap['alias']] = alias;
}
delete attrsMap['v-for'];
}
return ast
};
function convertAst (node, options, util) {
try {
const hasVFor = node.attrsMap && node.attrsMap['v-for']
const shouldLog = hasVFor || (node.attrsMap && node.attrsMap['slot-scope'])
const logger = lary(!!shouldLog)
if ( options === void 0 ) options = {};
var children = node.children;
var ifConditions = node.ifConditions;
var staticClass = node.staticClass; if ( staticClass === void 0 ) staticClass = '';
var mpcomid = node.mpcomid;
var tagName = node.tag;
var log = util.log;
var deps = util.deps;
var slots = util.slots;
var scopedSlots = util.scopedSlots;
var slotTemplates = util.slotTemplates;
var wxmlAst = Object.assign({}, node);
var moduleId = options.moduleId;
var components = options.components;
wxmlAst.tag = tagName = tagName ? hyphenate(tagName) : tagName;
// 引入 import, isSlot 是使用 slot 的编译地方，意即 <slot></slot> 的地方
var isSlot = tagName === 'slot';
wxmlAst.scopedMap = {}
logger('group')('convertAst', node.tag)
logger()(node, options)
let replaceTarget = node.fromSlotScope
if (typeof replaceTarget !== 'string') {
replaceTarget = false
}
// 自身没有作用域属性，从上级取
replaceTarget = replaceTarget || node.replaceTarget
if (isSlot) {
deps.slots = 'slots';
// 把当前 slot 节点包裹 template
var defSlot = Object.assign({}, wxmlAst);
defSlot.tag = 'template';
var templateName = "" + (defSlot.attrsMap.name || 'default');
defSlot.attrsMap.name = templateName;
wxmlAst.children = [];
defSlot.parent = node.parent.parent;
slotTemplates[templateName] = defSlot;
}
var currentIsComponent = component.isComponent(tagName, components);
if (currentIsComponent) {
deps[tagName] = tagName;
}
if (moduleId && !currentIsComponent && tagConfig.virtualTag.indexOf(tagName) < 0) {
wxmlAst.staticClass = staticClass ? (moduleId + " " + staticClass).replace(/\"/g, '') : moduleId;
} else {
wxmlAst.staticClass = staticClass.replace(/\"/g, '');
}
// 组件内部的node节点全部是 slot
wxmlAst.slots = {};
// 缓存一份 scopedSlot
const srcScoped = {...node.scopedSlots}
Object.keys(srcScoped).forEach(key => {
const item = { ...srcScoped[key] }
var multiItem = Array.isArray(item)
var slotName = (item.attrsMap && item.attrsMap.slot) || 'default';
var isDefault = slotName === 'default';
var slotId = moduleId + "-" + slotName + "-" + (mpcomid.replace(/\'/g, ''));
var children = (multiItem ? item : [item]).map(item => ({...item, fromSlotScope: item.slotScope || true }))
console.warn('item', item, item.tag, children)
var node = isDefault ? { tag: 'template', attrsMap: {}, children } : item;
node.attrsMap.name = slotId;
delete node.attrsMap.slot;
console.group('scoped', node.tag)
scopedSlots[slotId] = { node: convertAst(node, options, util), name: slotName, slotId: slotId };
console.info('scopedSlots-', scopedSlots[slotId])
console.groupEnd('scoped')
wxmlAst.slots[slotName] = slotId;
})
if (currentIsComponent && children && children.length) {
// 只检查组件下的子节点（不检查孙子节点）是不是具名 slot，不然就是 default slot
children
.reduce(function (res, n) {
var ref = n.attrsMap || {};
var slot = ref.slot;
console.info('slot-name', slot)
// 不是具名的，全部放在第一个数组元素中
var arr = slot ? res : res[0];
arr.push(n);
return res
}, [[]])
.forEach(function (n) {
var isDefault = Array.isArray(n);
var slotName = isDefault ? 'default' : n.attrsMap.slot;
var slotId = moduleId + "-" + slotName + "-" + (mpcomid.replace(/\'/g, ''));
var node = isDefault ? { tag: 'slot', attrsMap: {}, children: n } : n;
node.tag = 'template';
node.attrsMap.name = slotId;
delete node.attrsMap.slot;
// 缓存，会集中生成一个 slots 文件
logger()('xx0 ->')
slots[slotId] = { node: convertAst(node, options, util), name: slotName, slotId: slotId };
logger()('xx0 -<')
wxmlAst.slots[slotName] = slotId;
});
// 清理当前组件下的节点信息，因为 slot 都被转移了
children.length = 0;
wxmlAst.children.length = 0;
}
wxmlAst.attrsMap = attrs.format(wxmlAst.attrsMap);
wxmlAst = tag(wxmlAst, options);
wxmlAst = convertFor(wxmlAst, options);
wxmlAst = attrs.convertAttr(wxmlAst, log);
if (children && !isSlot) {
logger()('xx1 ->', children)
wxmlAst.children = children.filter(_ => _).map(function (k) {
const nextNode = { ...k, replaceTarget }
return convertAst(replaceVarStr(nextNode), options, util);
});
logger()('xx1 -<')
}
if (ifConditions) {
logger()('xx2 ->')
var length = ifConditions.length;
for (var i = 1; i < length; i++) {
wxmlAst.ifConditions[i].block = convertAst(ifConditions[i].block, options, util);
}
logger()('xx2 -<')
}
logger()('-')
logger('groupEnd')()
return wxmlAst
} catch(e) {
console.error('e', e)
throw e
}
}
function wxmlAst (compiled, options, log) {
if ( options === void 0 ) options = {};
var ast = compiled.ast;
var deps = {
// slots: 'slots'
};
var slots = {
// slotId: nodeAst
};
var slotTemplates = {
};
var scopedSlots = {
// slotId: scopedSlots
}
var wxast = convertAst(ast, options, { log: log, deps: deps, slots: slots, scopedSlots: scopedSlots, slotTemplates: slotTemplates });
var children = Object.keys(slotTemplates).map(function (k) { return convertAst(slotTemplates[k], options, { log: log, deps: deps, slots: slots, slotTemplates: slotTemplates }); });
wxast.children = children.concat(wxast.children);
return {
wxast: wxast,
deps: deps,
slots: slots,
scopedSlots: scopedSlots
}
}
function generate$2 (obj, options) {
if ( options === void 0 ) options = {};
// console.info('generate', { obj, options })
var tag = obj.tag;
var attrsMap = obj.attrsMap; if ( attrsMap === void 0 ) attrsMap = {};
var children = obj.children;
var text = obj.text;
var ifConditions = obj.ifConditions;
if (!tag) { return text }
var child = '';
if (children && children.length) {
// 递归子节点
child = children.map(function (v) { return generate$2(v, options); }).join('');
}
// v-if 指令
var ifConditionsArr = [];
if (ifConditions) {
var length = ifConditions.length;
for (var i = 1; i < length; i++) {
ifConditionsArr.push(generate$2(ifConditions[i].block, options));
}
}
var attrs = Object.keys(attrsMap).map(function (k) { return convertAttr(k, attrsMap[k]); }).join(' ');
var tags = ['progress', 'checkbox', 'switch', 'input', 'radio', 'slider', 'textarea'];
if (tags.indexOf(tag) > -1 && !(children && children.length)) {
return ("<" + tag + (attrs ? ' ' + attrs : '') + " />" + (ifConditionsArr.join('')))
}
return ("<" + tag + (attrs ? ' ' + attrs : '') + ">" + (child || '') + "</" + tag + ">" + (ifConditionsArr.join('')))
}
function convertAttr (key, val) {
return (val === '' || typeof val === 'undefined') ? key : (key + "=\"" + val + "\"")
}
var utils = {
toLowerCase: function toLowerCase (str) {
return str.replace(/([A-Z])/g, '-$1').toLowerCase().trim()
},
getChar: function getChar (index) {
return String.fromCharCode(0x61 + index)
},
log: function log (compiled) {
compiled.mpErrors = [];
compiled.mpTips = [];
return function (str, type) {
if (type === 'waring') {
compiled.mpTips.push(str);
} else {
compiled.mpErrors.push(str);
}
}
}
};
function compileToWxml (compiled, options) {
if ( options === void 0 ) options = {};
// TODO, compiled is undefined
var components = options.components; if ( components === void 0 ) components = {};
var log = utils.log(compiled);
var ref = wxmlAst(compiled, options, log);
var wxast = ref.wxast;
var deps = ref.deps; if ( deps === void 0 ) deps = {};
var slots = ref.slots; if ( slots === void 0 ) slots = {};
var scopedSlots = ref.scopedSlots; if ( slots === void 0 ) scopedSlots = {};
var code = generate$2(wxast, options);
// 引用子模版
var importCode = Object.keys(deps).map(function (k) { return components[k] ? ("<import src=\"" + (components[k].src) + "\" />") : ''; }).join('');
code = importCode + "<template name=\"" + (options.name) + "\">" + code + "</template>";
// 生成 slots code
Object.keys(slots).forEach(function (k) {
var slot = slots[k];
slot.code = generate$2(slot.node, options);
});
// 生成 scoped slot code
Object.keys(scopedSlots).forEach(function (k) {
var slot = scopedSlots[k];
slot.code = generate$2(slot.node, options);
});
// TODO: 后期优化掉这种暴力全部 import，虽然对性能没啥大影响
return { code: code, compiled: compiled, slots: slots, scopedSlots: scopedSlots, importCode: importCode }
}
/* */
var ref = createCompiler(baseOptions);
var compile = ref.compile;
var compileToFunctions = ref.compileToFunctions;
/* */
exports.parseComponent = parseComponent;
exports.compile = compile;
exports.compileToFunctions = compileToFunctions;
exports.compileToWxml = compileToWxml;
@songlairui
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在dist文件中实时更改做出来了草稿。
使 mpvue 1.0.18 版支持slot-scope（极端场景没有测）

@songlairui
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实现要点：

  1. wxml中拼接变量，传入template:data
  2. 修改vue文件parse过程代码，使用 ‘slot-scope’ 作为scopedSlot标识
  3. 修改ast树，使用约定的scope变量传入，以适配vue中slot-scoped参数为更上一层级变量。
    3.1 修改ast中静态部分
    // 因为parseHTML在 ast树信息补全之前执行，目前做的后处理。相当于1.x遍逻辑，有优化空间

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