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trans-ast

v1.3.0

Published

解析html字符串

Readme

trans-ast

trans-ast是一个可以将html字符串解析为AST(JS)对象的一个插件,提供Template转AST,AST转DOM的功能,解析大量HTML字符串的效率相比传统DOM操作提升25倍以上

演示地址: trans-ast-demo

安装

npm install --save trans-ast
or
yarn add trans-ast

使用

Node环境
const $AST = require("trans-ast")

Vue 或 React
import $AST from 'trans-ast'

提供方法

parseAST(template)

| 参数 | 描述 | |:---|:---| | template (必须) | String类型,合法的html字符串 | | 返回值 | 描述 | | AST | Object类型,解析后的AST对象 |

parseDOM(AST)

| 参数 | 描述 | |:---|:---| | AST (必须) | Object类型,由parseAST方法解析后的AST对象 | | 返回值 | 描述 | | ElementNode | Node节点,AST转换后的DOM |

AST属性说明

| 属性 | 描述 | |:---|:---| | attrsMap | Map类型的标签属性,包含自定义属性 | | attrslist | List类型的标签属性,包含自定义属性 | | children | 当前元素的子元素 | | parent | 当前元素的父元素 (已废弃)| | tag | 标签名称 | | type | 1:元素 2:文本 | | expression| 可执行字符串,后续版本会支持直接解析 | text | 文本内容 |

vue中全局注册

// 引入
import $AST from 'trans-ast'
// 注册
vue.prototype.$AST = $AST
// 使用
vm.$AST.parseAST(template)
vm.$AST.parseDOM(AST)