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htmldom.umd.js
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htmldom.umd.js
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.createHtmlDom = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
let $Elements = require('./lib/$elements.js')
let HtmlParser = require('./lib/html.parser')
const { getHtml } = require('./lib/get.html')
const uglifyOuterHTML = require('./lib/uglify')
const beautifyOuterHTML = require('./lib/beautify')
/**
* @example
* let $ = createHtmlDom('<div><a></a></div>')
*
* $('div a').addClass('title').html()
* $.nodes
* $.root().prepend('<head></head>')
* $.html()
* $.beautify()
* $.uglify()
*
*/
function createHtmlDom (code) {
let { nodes } = new HtmlParser(code)
function htmldom (selector) {
return new $Elements(selector, {
type: 'root',
children: nodes
})
}
Object.defineProperty(htmldom, 'nodes', {
value: nodes
})
htmldom.root = function () {
return new $Elements({
type: 'root',
children: nodes
})
}
htmldom.html = function () {
return getHtml({
type: 'root',
children: nodes
})
}
htmldom.uglify = function (options) {
options = {
removeAttributeQuotes: false,
...options
}
let html = ''
for (let i = 0; i < nodes.length; i++) {
html += uglifyOuterHTML(nodes[i], options)
}
return html
}
htmldom.beautify = function (options) {
options = {
indent: ' ',
...options
}
let html = ''
for (let i = 0; i < nodes.length; i++) {
html += beautifyOuterHTML(nodes[i], options.indent, 0)
}
return html.trim()
}
return htmldom
}
module.exports = createHtmlDom
},{"./lib/$elements.js":2,"./lib/beautify":3,"./lib/get.html":4,"./lib/html.parser":5,"./lib/uglify":11}],2:[function(require,module,exports){
let QuerySelector = require('./query.selector')
let HtmlParser = require('./html.parser')
const { isUndefined, isString, isFunction } = require('./util')
const { getHtml, getOuterHTML } = require('./get.html')
const { updateAttrValue, cloneNode } = require('./node.op')
const { GET_NODE_PARENT } = require('./private.key')
function insertChild (parent, children, pos) {
let newNodes = children.map(node => {
let newNode = cloneNode(node)
newNode.parent = parent.type === 'root' ? null : parent
return newNode
})
parent.children.splice(pos, 0, ...newNodes)
}
class $Elements extends QuerySelector {
constructor (selector, rootNode) {
super(selector, rootNode)
}
/**
* @example
* $('').each(function(index, item) {})
*/
each (callback) {
for (let i = 0; i < this.length; i++) {
let item = this[i]
callback.call(item, i, item)
}
return this
}
/**
* @example
* $('').html() => Get html code
* $('').html('<div></div>') => Set html code
*/
html (content) {
if (isUndefined(content)) {
let node = this[0]
return node ? getHtml(node) : null
}
let nodes
for (let item of this) {
if (item.tagType === 'rawTag') {
item.textContent = content
continue
}
if (!nodes) {
let parser = new HtmlParser(content)
nodes = parser.nodes
}
item.children = nodes.map(node => {
node.parent = item
return node
})
}
return this
}
/**
* @example
* $('').outerHTML()
*/
outerHTML () {
if (!this.length) {
return null
}
return getOuterHTML(this[0])
}
/**
* @example
* $('#id').clone()
*/
clone () {
let newNodes = []
for (let item of this) {
newNodes.push(cloneNode(item))
}
return new $Elements(newNodes)
}
/**
* @example
* $('ul').append('<li>1<li>2')
*/
append (content) {
let { nodes } = new HtmlParser(content)
for (let item of this) {
insertChild(item, nodes, item.children.length)
}
return this
}
/**
* @example
* $('ul').prepend('<li>1<li>2')
*/
prepend (content) {
let { nodes } = new HtmlParser(content)
for (let item of this) {
insertChild(item, nodes, 0)
}
return this
}
/**
* @example
* $('li').before('<li>1<li>2')
*/
before (content) {
let { nodes } = new HtmlParser(content)
for (let item of this) {
let parent = this[GET_NODE_PARENT](item)
let pos = parent.children.indexOf(item)
insertChild(parent, nodes, pos)
}
return this
}
/**
* @example
* $('li').after('<li>1<li>2')
*/
after (content) {
let { nodes } = new HtmlParser(content)
for (let item of this) {
let parent = this[GET_NODE_PARENT](item)
let pos = parent.children.indexOf(item)
insertChild(parent, nodes, pos + 1)
}
return this
}
/**
* @example
* $('div').replaceWith('<view>1</view>')
*/
replaceWith (content) {
return this.before(content).remove()
}
/**
* @example
* $('').remove()
*/
remove () {
for (let item of this) {
let parent = this[GET_NODE_PARENT](item)
let pos = parent.children.indexOf(item)
parent.children.splice(pos, 1)
}
return this
}
/**
* @example
* $('').addClass('cls')
* $('').addClass('cls cls2')
*/
addClass (name) {
name = name.split(/\s+/)
for (let item of this) {
let classList = item.classList
name.forEach(item => {
classList.add(item)
})
item.classList = classList
}
return this
}
/**
* @example
* $('').removeClass() clear all class
* $('').removeClass('one')
* $('').removeClass('one two')
*/
removeClass (cls) {
let isClear = isUndefined(cls)
let removeList = isClear ? null : cls.split(/\s+/)
for (let item of this) {
let classList = item.classList
if (isClear) {
classList.clear()
} else {
removeList.forEach(item => {
classList.delete(item)
})
}
item.classList = classList
}
return this
}
/**
* @example
* $('').hasClass('cls')
*/
hasClass (cls) {
for (let item of this) {
let classList = item.classList
if (classList.has(cls)) return true
}
return false
}
/**
* @example
* $('').attr('key', 'value') // assign
* $('').attr('key', function(index,oldValue) {});
* $('').attr({
* k1: 'v1',
* 'data-id': 'v2'
* }); // multiple assign
* $('').attr('key', null) // remove attr
*/
attr (key, value) {
let attrObj = key
if (isString(key)) {
if (isUndefined(value)) {
return this.length ? this[0].attributes[key] : null
}
if (isFunction(value)) {
for (let i = 0; i < this.length; i++) {
updateAttrValue(this[i], key, value(i, this[i].attributes[key]))
}
return this
}
attrObj = {
[key]: value
}
}
for (let item of this) {
for (let attrKey in attrObj) {
updateAttrValue(item, attrKey, attrObj[attrKey])
}
}
return this
}
/**
* @example
* $('').css('height') // get
* $('').css('height', '200px') // set
* $('').css('height', null) // remove
* $('').css({ width: '200px', height: '200px'})
*/
css (key, value) {
let newStyle = key
if (isString(key)) {
if (isUndefined(value)) {
return this.length ? this[0].style[key] : null
}
newStyle = {
[key]: value
}
}
for (let item of this) {
let oldStyle = item.style
item.style = {
...oldStyle,
...newStyle
}
}
}
}
module.exports = $Elements
},{"./get.html":4,"./html.parser":5,"./node.op":6,"./private.key":7,"./query.selector":8,"./util":12}],3:[function(require,module,exports){
const { getAttributesCode } = require('./node.op')
function getNewLineIndent(indent, depth) {
var str = ''
while (depth--) {
str += indent
}
return '\n' + str
}
function hasElement (children) {
return children.find(item => item.type === 'tag')
}
function beautifyRawTag (name, value, newline) {
if (!value.trim()) {
return `</${name}>`
}
return `${value}${newline}</${name}>`
}
function beautifyText (value, newline) {
value = value.trim()
if (!value) return ''
return newline + value
}
/**
* @example
* <button>click</button>
*/
function beautifyTextChildren(children) {
let result = ''
for (let item of children) {
if (item.type === 'comment') {
result += `<!-- ${item.data} -->`
continue
}
result += item.data.trim()
}
return result
}
/**
* Get a node's html code
*
* @example
* {
* type: 'tag',
* children: [{ type: 'text', value: 1 }],
* name: 'div'
* }
* <div>1</div>
*/
function beautifyOuterHTML ({
name,
type,
tagType,
children,
attributes,
data,
textContent
}, indent, depth) {
let code = []
let newline = getNewLineIndent(indent, depth)
switch (type) {
case 'tag':
code.push(`${newline}<${name}${getAttributesCode(attributes)}`)
if (tagType === 'selfClosingTag') {
// <img src="" />
code.push('/>')
} else if (tagType === 'voidTag') {
// <br>
code.push('>')
} else {
code.push('>')
if (tagType === 'rawTag') {
code.push(beautifyRawTag(name, textContent, newline))
} else {
let flag = hasElement(children)
if (flag) {
for (let item of children) {
code.push(beautifyOuterHTML(item, indent, depth + 1))
}
code.push(`${newline}</${name}>`)
} else {
code.push(`${beautifyTextChildren(children)}</${name}>`)
}
}
}
break
case 'text':
code.push(beautifyText(data, newline))
break
case 'comment':
code.push(`${newline}<!--${data}-->`)
break
}
return code.join('')
}
module.exports = beautifyOuterHTML
},{"./node.op":6}],4:[function(require,module,exports){
const { getAttributesCode } = require('./node.op')
/**
* Get a node's html code
*
* @example
* {
* type: 'tag',
* children: [{ type: 'text', value: 1 }],
* name: 'div'
* }
* <div>1</div>
*/
function getOuterHTML ({
name,
type,
tagType,
children,
attributes,
data,
textContent
}) {
let code = []
switch (type) {
case 'tag':
code.push(`<${name}${getAttributesCode(attributes)}`)
if (tagType === 'selfClosingTag') {
// <img src="" />
code.push('/>')
} else if (tagType === 'voidTag') {
// <br>
code.push('>')
} else {
code.push('>')
if (tagType === 'rawTag') {
code.push(textContent)
} else {
for (let item of children) {
code.push(getOuterHTML(item))
}
}
code.push(`</${name}>`)
}
break
case 'text':
code.push(data)
break
case 'comment':
code.push(`<!--${data}-->`)
break
}
return code.join('')
}
function getHtml (node) {
let html = '';
let children = node.children;
// script, style, textarea
if (node.tagType === 'rawTag') {
return node.textContent
}
for (let i = 0; i < children.length; i++) {
html += getOuterHTML(children[i])
}
return html
}
module.exports = {
getOuterHTML,
getHtml
}
},{"./node.op":6}],5:[function(require,module,exports){
const OPTIONAL_TAGS = {
head: ['body'],
/**
* </li>可以在以下两种情况下缺省
* 1. <li>紧挨着另一个<li>
* 2. 父亲元素没有更多的内容
*
* @example
* <ul>
* <li> 1
* <li> 2
* </ul>
*/
li: ['li'],
dt: ['dt', 'dd'],
dd: ['dd', 'dt'],
p: ['address', 'article', 'aside', 'blockquote', 'details', 'div', 'dl', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hgroup', 'hr', 'main', 'menu', 'nav', 'ol', 'p', ' pre', 'section', 'table', 'ul'],
option: ['option'],
caption: ['caption', 'thead', 'tbody'],
colgroup: ['tbody', 'tr', 'tfoot'],
col: ['col', 'tbody', 'tr'],
thead: ['tbody', 'tfoot'],
tbody: ['tbody', 'tfoot'],
tfoot: ['tbody'],
tr: ['tr', 'tbody'],
td: ['td', 'th', 'tr', 'tbody'],
th: ['td', 'th', 'tr', 'tbody']
}
const Tokenize = require('./tokenize')
const { nodeClassList, nodeStyle } = require('./node.op')
/**
* Parser html dom that is created by tokenize
* @example
* let { nodes } = new HtmlParser('<div></div>')
*/
class HtmlParser {
constructor(htmlCode) {
let { doms } = new Tokenize(htmlCode)
this.doms = doms
this.nodes = this.traverse(null)
}
traverse(parent) {
let doms = this.doms
let nodes = []
while (doms.length) {
let item = this.shift()
let node
switch (item.type) {
case 'openTag':
node = this.matchOpenTag(parent, item)
break
case 'closeTag':
if (this.matchCloseTag(parent, item)) {
return nodes
}
break
case 'rawTag':
case 'voidTag':
case 'selfClosingTag':
node = {
...item,
type: 'tag',
tagType: item.type,
children: []
}
break
case 'text':
case 'comment':
node = item
break
}
if (node) {
node.parent = parent
this.parseAttributes(node)
nodeClassList(node)
nodeStyle(node)
nodes.push(node)
}
}
return nodes
}
matchOpenTag(prev, node) {
if (prev) {
let optional = OPTIONAL_TAGS[prev.name]
// optional tags
if (optional && optional.includes(node.name)) {
this.optionalTagClose(node, prev.name)
return null
}
}
node.type = 'tag'
node.tagType = null
node.children = this.traverse(node)
return node
}
matchCloseTag(prev, node) {
let nodeName = node.name
if (prev) {
if (prev.name === nodeName) return true
let optional = OPTIONAL_TAGS[prev.name]
/**
* <ul><li></ul>
*/
if (optional) {
this.optionalTagClose(node, prev.name)
}
}
/**
* <div></div></p>
*/
if (nodeName === 'p') {
this.doms.unshift({
type: 'openTag',
attributes: '',
name: nodeName
}, node)
}
return false
}
/**
* Convert attributes string to object
* @example
* Empty attribute syntax: <input disabled> (https://html.spec.whatwg.org/multipage/syntax.html#attributes-2)
* Unquoted attribute value: <input value=yes>
* Single-quoted attribute value: <input type='checkbox'>
* Double-quoted attribute value: <input name="be evil">
*/
parseAttributes(node) {
if (node.type !== 'tag') return
let attributes = node.attributes.trim()
let result = {}
let reg = /([^=\s]+)(?:\s*=\s*(?:'([^']*)'|"([^"]*)"|([^\s]*)))?/g
let match = reg.exec(attributes)
while (match) {
let key = match[1]
let value = match[2] || match[3] || match[4] || ''
if (!Reflect.has(result, key)) {
result[key] = value
}
match = reg.exec(attributes)
}
node.attributes = result
}
shift() {
return this.doms.shift()
}
optionalTagClose (node, name) {
this.doms.unshift({
type: 'closeTag',
name
}, node)
}
}
module.exports = HtmlParser
},{"./node.op":6,"./tokenize":10}],6:[function(require,module,exports){
const { isNull } = require('./util')
function updateAttrValue (node, key, value) {
if (isNull(value)) {
delete node.attributes[key]
return
}
node.attributes[key] = value + ''
}
function cloneNode (node, parent) {
if (!parent) parent = null
let result = {
...node,
parent
}
if (node.children) {
let children = []
node.children.forEach(item => {
children.push(cloneNode(item, result))
})
result.children = children
}
if (node.attributes) {
result.attributes = {
...node.attributes
}
nodeClassList(result)
nodeStyle(result)
}
return result
}
function nodeClassList (node) {
if (node.type !== 'tag') return
Object.defineProperty(node, 'classList', {
get () {
let className = this.attributes.class
let classList = className ? className.split(/\s+/) : []
return new Set(classList)
},
set (value) {
let result = [...value]
if (result.length) {
this.attributes.class = result.join(' ')
} else {
delete this.attributes.class
}
}
})
}
const SEMICOLON = /\s*;\s*/
/**
* Set or get node's style
* @example
* node.style => {}
* node.style = { color: 'value '}
*/
function nodeStyle (node) {
if (node.type !== 'tag') return
Object.defineProperty(node, 'style', {
get () {
let style = this.attributes.style
let result = {}
if (!style) return result
style = style.split(SEMICOLON)
for (let item of style) {
let index = item.indexOf(':')
if (index !== -1) {
let key = item.slice(0, index).trim()
let value = item.slice(index + 1).trim()
result[key] = value
}
}
return result
},
set (obj) {
if (!obj) {
delete this.attributes.style
return
}
let style = []
for (let key in obj) {
let value = obj[key]
if (!isNull(value)) {
style.push(`${key}:${value}`)
}
}
if (style.length) {
this.attributes.style = style.join(';')
} else {
delete this.attributes.style
}
}
})
}
const DOUBLE_QUOTES = /"/g
const SPECIAL_ATTR_VALUE = /['"><\s=`]/
function getAttributesCode (attributes) {
let result = ''
for (let key in attributes) {
let value = attributes[key]
if (value) {
result += ` ${key}="${value.replace(DOUBLE_QUOTES, '"')}"`
} else {
result += ` ${key}`
}
}
return result
}
function isScriptOrStyle (name, type) {
let isScript = name === 'script' && type === 'text/javascript'
let isStyle = name === 'style' && type === 'text/css'
return isScript || isStyle
}
function uglifyAttributesCode(name, attributes, removeAttributeQuotes) {
let result = ''
/**
* <script type="text/javascript"> => <script>
* <style type="text/css"> => <style>
*/
if (isScriptOrStyle(name, attributes.type)) {
attributes = {
...attributes
}
delete attributes.type
}
for (let key in attributes) {
let value = attributes[key]
if (value) {
if (removeAttributeQuotes && !SPECIAL_ATTR_VALUE.test(value)) {
result += ` ${key}=${value}`
continue
}
result += ` ${key}="${value.replace(DOUBLE_QUOTES, '"')}"`
continue
}
result += ` ${key}`
}
return result
}
module.exports = {
updateAttrValue,
cloneNode,
nodeClassList,
nodeStyle,
getAttributesCode,
uglifyAttributesCode
}
},{"./util":12}],7:[function(require,module,exports){
let FILTER_CHILDREN = Symbol('filter')
let SET_LIST = Symbol('list')