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- 大幅优化渲染速度，测试显示提速4倍以上 - 添加对输出变量未定义时的容错处理，不会在报错，而是返回空字符串 - 添加供预编译处理器使用的接口
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,7 @@ | ||
| { | ||
| "name": "template.js", | ||
| "main": "template.js", | ||
| "version": "0.5.0", | ||
| "version": "0.6.0", | ||
| "homepage": "https://github.com/yanhaijing/template.js", | ||
| "authors": [ | ||
| "yanhaijing <[email protected]>" | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,256 @@ | ||
| /*! | ||
| * template.js v0.6.0 (https://github.com/yanhaijing/template.js) | ||
| * API https://github.com/yanhaijing/template.js/blob/master/doc/api.md | ||
| * Copyright 2015 yanhaijing. All Rights Reserved | ||
| * Licensed under MIT (https://github.com/yanhaijing/template.js/blob/master/MIT-LICENSE.txt) | ||
| */ | ||
| ;(function(root, factory) { | ||
| var template = factory(root); | ||
| if (typeof define === 'function' && define.amd) { | ||
| // AMD | ||
| define('template', function() { | ||
| return template; | ||
| }); | ||
| } else if (typeof exports === 'object') { | ||
| // Node.js | ||
| module.exports = template; | ||
| } else { | ||
| // Browser globals | ||
| var _template = root.template; | ||
|
|
||
| template.noConflict = function() { | ||
| if (root.template === template) { | ||
| root.template = _template; | ||
| } | ||
|
|
||
| return template; | ||
| }; | ||
| root.template = template; | ||
| } | ||
| }(this, function(root) { | ||
| 'use strict'; | ||
| var o = { | ||
| sTag: '<%',//开始标签 | ||
| eTag: '%>',//结束标签 | ||
| compress: false,//是否压缩html | ||
| escape: true, //默认输出是否进行HTML转义 | ||
| error: function (e) {}//错误回调 | ||
| }; | ||
| var toString = {}.toString; | ||
|
|
||
| function getType(x) { | ||
| if(x === null){ | ||
| return 'null'; | ||
| } | ||
|
|
||
| var t= typeof x; | ||
|
|
||
| if(t !== 'object'){ | ||
| return t; | ||
| } | ||
|
|
||
| var c = toString.call(x).slice(8, -1).toLowerCase(); | ||
| if(c !== 'object'){ | ||
| return c; | ||
| } | ||
|
|
||
| if(x.constructor==Object){ | ||
| return c; | ||
| } | ||
|
|
||
| return 'unkonw'; | ||
| } | ||
|
|
||
| function isObject(obj) { | ||
| return getType(obj) === 'object'; | ||
| } | ||
| function extend() { | ||
| var target = arguments[0] || {}; | ||
| var arrs = Array.prototype.slice.call(arguments, 1); | ||
| var len = arrs.length; | ||
|
|
||
| for (var i = 0; i < len; i++) { | ||
| var arr = arrs[i]; | ||
| for (var name in arr) { | ||
| target[name] = arr[name]; | ||
| } | ||
|
|
||
| } | ||
| return target; | ||
| } | ||
| function encodeHTML(source) { | ||
| return String(source) | ||
| .replace(/&/g,'&') | ||
| .replace(/</g,'<') | ||
| .replace(/>/g,'>') | ||
| .replace(/\\/g,'\') | ||
| .replace(/"/g,'"') | ||
| .replace(/'/g,'''); | ||
| }; | ||
| function compress(html) { | ||
| return html.replace(/\s+/g, ' ').replace(/<!--[\w\W]*?-->/g, ''); | ||
| } | ||
| function handelError(e) { | ||
| var message = 'template.js error\n\n'; | ||
|
|
||
| for (var key in e) { | ||
| message += '<' + key + '>\n' + e[key] + '\n\n'; | ||
| } | ||
| message += '<message>\n' + e.message + '\n\n'; | ||
| console && console.error && console.error(message); | ||
|
|
||
| o.error(e); | ||
| function error() { | ||
| return 'template.js error'; | ||
| } | ||
| error.toString = function () { | ||
| return '__str__ = "template.js error"'; | ||
| } | ||
| return error; | ||
| } | ||
| function parse(tpl, opt) { | ||
| var code = ''; | ||
| var sTag = opt.sTag; | ||
| var eTag = opt.eTag; | ||
| var escape = opt.escape; | ||
| function parsehtml(line) { | ||
| // 单双引号转义，换行符替换为空格 | ||
| line = line.replace(/('|")/g, '\\$1').replace(/\n/g, ' '); | ||
| return ';__code__ += ("' + line + '")\n'; | ||
| } | ||
| function parsejs(line) { | ||
| var html; | ||
| if (line.search(/^=/) !== -1) { | ||
| //默认输出 | ||
| html = line.slice(1); | ||
| html = escape ? ('__encodeHTML__(typeof (' + html + ') === "undefined" ? "" : ' + html + ')') : html; | ||
| return ';__code__ += (' + html + ')\n'; | ||
| } | ||
|
|
||
| if (line.search(/^:h=/) !== -1) { | ||
| //HTML转义输出 | ||
| html = line.slice(3); | ||
| return ';__code__ += (__encodeHTML__(typeof (' + html + ') === "undefined" ? "" : ' + html + '))\n'; | ||
| } | ||
|
|
||
| if (line.search(/^:=/) !== -1) { | ||
| //不转义 | ||
| html = line.slice(2); | ||
| return ';__code__ += (typeof (' + html + ') === "undefined" ? "" : ' + html + ')\n'; | ||
| } | ||
|
|
||
| if (line.search(/^:u=/) !== -1) { | ||
| //URL转义 | ||
| html = line.slice(3); | ||
| return ';__code__ += (typeof (' + html + ') === "undefined" ? "" : encodeURI(' + html + '))\n'; | ||
| } | ||
|
|
||
| //原生js | ||
| return ';' + line + '\n'; | ||
| } | ||
|
|
||
| var tokens = tpl.split(sTag); | ||
|
|
||
| for (var i = 0, len = tokens.length; i < len; i++) { | ||
| var token = tokens[i].split(eTag); | ||
|
|
||
| if (token.length === 1) { | ||
| code += parsehtml(token[0]); | ||
| } else { | ||
| code += parsejs(token[0], true); | ||
| if (token[1]) { | ||
| code += parsehtml(token[1]); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return code; | ||
| } | ||
| function compiler(tpl, opt) { | ||
| var mainCode = parse(tpl, opt); | ||
|
|
||
| var headerCode = '\n' + | ||
| ' var html = (function (__data__, __encodeHTML__) {\n' + | ||
| ' var __str__ = "", __code__ = "";\n' + | ||
| ' for(var key in __data__) {\n' + | ||
| ' __str__+=("var " + key + "=__data__[\'" + key + "\'];");\n' + | ||
| ' }\n' + | ||
| ' eval(__str__);\n\n'; | ||
|
|
||
| var footerCode = '\n' + | ||
| ' ;return __code__;\n' + | ||
| ' }(__data__, __encodeHTML__));\n' + | ||
| ' return html;\n'; | ||
|
|
||
| var code = headerCode + mainCode + footerCode; | ||
| code = code.replace(/[\r]/g, ' '); // ie 7 8 会报错，不知道为什么 | ||
| try { | ||
| var Render = new Function('__data__', '__encodeHTML__', code); | ||
| Render.toString = function () { | ||
| return mainCode; | ||
| } | ||
| return Render; | ||
| } catch(e) { | ||
| e.temp = 'function anonymous(__data__, __encodeHTML__) {' + code + '}'; | ||
| throw e; | ||
| } | ||
| } | ||
| function compile(tpl, opt) { | ||
| opt = extend({}, o, opt); | ||
|
|
||
| try { | ||
| var Render = compiler(tpl, opt); | ||
| } catch(e) { | ||
| e.name = 'CompileError'; | ||
| e.tpl = tpl; | ||
| e.render = e.temp; | ||
| delete e.temp; | ||
| return handelError(e); | ||
| } | ||
|
|
||
| function render(data) { | ||
| try { | ||
| var html = Render(data, encodeHTML); | ||
| html = opt.compress ? compress(html) : html; | ||
| return html; | ||
| } catch(e) { | ||
| e.name = 'RenderError'; | ||
| e.tpl = tpl; | ||
| e.render = Render.toString(); | ||
| return handelError(e); | ||
| } | ||
| } | ||
|
|
||
| render.toString = function () { | ||
| return Render.toString(); | ||
| }; | ||
| return render; | ||
| } | ||
| function template(tpl, data) { | ||
| if (typeof tpl !== 'string') { | ||
| return ''; | ||
| } | ||
|
|
||
| var fn = compile(tpl); | ||
| if (!isObject(data)) { | ||
| return fn; | ||
| } | ||
|
|
||
| return fn(data); | ||
| } | ||
|
|
||
| template.config = function (option) { | ||
| if (isObject(option)) { | ||
| o = extend(o, option); | ||
| } | ||
|
|
||
| return extend({}, o); | ||
| }; | ||
|
|
||
| template.__encodeHTML = encodeHTML; | ||
| template.__compress = compress; | ||
| template.__handelError = handelError; | ||
| template.__compile = compile; | ||
| template.version = '0.6.0'; | ||
| return template; | ||
| })); |
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