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zxz
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JN
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dr_py
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libs
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jinja.min.js

jinja.min.js 12 KB
文件歷史 原始文件

1 
  1. (function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?factory(exports):typeof define==="function"&&define.amd?define(["exports"],factory):(global=typeof globalThis!=="undefined"?globalThis:global||self,factory(global.jinja={}))})(this,function(jinja){"use strict";var STRINGS=/'(\\.|[^'])*'|"(\\.|[^"'"])*"/g;var IDENTS_AND_NUMS=/([$_a-z][$\w]*)|([+-]?\d+(\.\d+)?)/g;var NUMBER=/^[+-]?\d+(\.\d+)?$/;var NON_PRIMITIVES=/\[[@#~](,[@#~])*\]|\[\]|\{([@i]:[@#~])(,[@i]:[@#~])*\}|\{\}/g;var IDENTIFIERS=/[$_a-z][$\w]*/gi;var VARIABLES=/i(\.i|\[[@#i]\])*/g;var ACCESSOR=/(\.i|\[[@#i]\])/g;var OPERATORS=/(===?|!==?|>=?|<=?|&&|\|\||[+\-\*\/%])/g;var EOPS=/(^|[^$\w])(and|or|not|is|isnot)([^$\w]|$)/g;var LEADING_SPACE=/^\s+/;var TRAILING_SPACE=/\s+$/;var START_TOKEN=/\{\{\{|\{\{|\{%|\{#/;var TAGS={"{{{":/^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?\}\}\}/,"{{":/^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?\}\}/,"{%":/^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?%\}/,"{#":/^('(\\.|[^'])*'|"(\\.|[^"'"])*"|.)+?#\}/};var delimeters={"{%":"directive","{{":"output","{#":"comment"};var operators={and:"&&",or:"||",not:"!",is:"==",isnot:"!="};var constants={true:true,false:false,null:null};function Parser(){this.nest=[];this.compiled=[];this.childBlocks=0;this.parentBlocks=0;this.isSilent=false}Parser.prototype.push=function(line){if(!this.isSilent){this.compiled.push(line)}};Parser.prototype.parse=function(src){this.tokenize(src);return this.compiled};Parser.prototype.tokenize=function(src){var lastEnd=0,parser=this,trimLeading=false;matchAll(src,START_TOKEN,function(open,index,src){var match=src.slice(index+open.length).match(TAGS[open]);match=match?match[0]:"";var simplified=match.replace(STRINGS,"@");if(!match||~simplified.indexOf(open)){return index+1}var inner=match.slice(0,0-open.length);if(inner.charAt(0)==="-")var wsCollapseLeft=true;if(inner.slice(-1)==="-")var wsCollapseRight=true;inner=inner.replace(/^-|-$/g,"").trim();if(parser.rawMode&&open+inner!=="{%endraw"){return index+1}var text=src.slice(lastEnd,index);lastEnd=index+open.length+match.length;if(trimLeading)text=trimLeft(text);if(wsCollapseLeft)text=trimRight(text);if(wsCollapseRight)trimLeading=true;if(open==="{{{"){open="{{";inner+="|safe"}parser.textHandler(text);parser.tokenHandler(open,inner)});var text=src.slice(lastEnd);if(trimLeading)text=trimLeft(text);this.textHandler(text)};Parser.prototype.textHandler=function(text){this.push("write("+JSON.stringify(text)+");")};Parser.prototype.tokenHandler=function(open,inner){var type=delimeters[open];if(type==="directive"){this.compileTag(inner)}else if(type==="output"){var extracted=this.extractEnt(inner,STRINGS,"@");extracted.src=extracted.src.replace(/\|\|/g,"~").split("|");extracted.src=extracted.src.map(function(part){return part.split("~").join("||")});var parts=this.injectEnt(extracted,"@");if(parts.length>1){var filters=parts.slice(1).map(this.parseFilter.bind(this));this.push("filter("+this.parseExpr(parts[0])+","+filters.join(",")+");")}else{this.push("filter("+this.parseExpr(parts[0])+");")}}};Parser.prototype.compileTag=function(str){var directive=str.split(" ")[0];var handler=tagHandlers[directive];if(!handler){throw new Error("Invalid tag: "+str)}handler.call(this,str.slice(directive.length).trim())};Parser.prototype.parseFilter=function(src){src=src.trim();var match=src.match(/[:(]/);var i=match?match.index:-1;if(i<0)return JSON.stringify([src]);var name=src.slice(0,i);var args=src.charAt(i)===":"?src.slice(i+1):src.slice(i+1,-1);args=this.parseExpr(args,{terms:true});return"["+JSON.stringify(name)+","+args+"]"};Parser.prototype.extractEnt=function(src,regex,placeholder){var subs=[],isFunc=typeof placeholder=="function";src=src.replace(regex,function(str){var replacement=isFunc?placeholder(str):placeholder;if(replacement){subs.push(str);return replacement}return str});return{src:src,subs:subs}};Parser.prototype.injectEnt=function(extracted,placeholder){var src=extracted.src,subs=extracted.subs,isArr=Array.isArray(src);var arr=isArr?src:[src];var re=new RegExp("["+placeholder+"]","g"),i=0;arr.forEach(function(src,index){arr[index]=src.replace(re,function(){return subs[i++]})});return isArr?arr:arr[0]};Parser.prototype.replaceComplex=function(s){var parsed=this.extractEnt(s,/i(\.i|\[[@#i]\])+/g,"v");parsed.src=parsed.src.replace(NON_PRIMITIVES,"~");return this.injectEnt(parsed,"v")};Parser.prototype.parseExpr=function(src,opts){opts=opts||{};var parsed1=this.extractEnt(src,STRINGS,"@");parsed1.src=parsed1.src.replace(EOPS,function(s,before,op,after){return op in operators?before+operators[op]+after:s});var parsed2=this.extractEnt(parsed1.src,IDENTS_AND_NUMS,function(s){return s in constants||NUMBER.test(s)?"#":null});var parsed3=this.extractEnt(parsed2.src,IDENTIFIERS,"i");parsed3.src=parsed3.src.replace(/\s+/g,"");var simplified=parsed3.src;while(simplified!==(simplified=this.replaceComplex(simplified)));while(simplified!==(simplified=simplified.replace(/i(\.i|\[[@#i]\])+/,"v")));simplified=simplified.replace(/[iv]\[v?\]/g,"x");simplified=simplified.replace(/[@#~v]/g,"i");simplified=simplified.replace(OPERATORS,"%");simplified=simplified.replace(/!+[i]/g,"i");var terms=opts.terms?simplified.split(","):[simplified];terms.forEach(function(term){while(term!==(term=term.replace(/\(i(%i)*\)/g,"i")));if(!term.match(/^i(%i)*/)){throw new Error("Invalid expression: "+src+" "+term)}});parsed3.src=parsed3.src.replace(VARIABLES,this.parseVar.bind(this));parsed2.src=this.injectEnt(parsed3,"i");parsed1.src=this.injectEnt(parsed2,"#");return this.injectEnt(parsed1,"@")};Parser.prototype.parseVar=function(src){var args=Array.prototype.slice.call(arguments);var str=args.pop(),index=args.pop();if(src==="i"&&str.charAt(index+1)===":"){return'"i"'}var parts=['"i"'];src.replace(ACCESSOR,function(part){if(part===".i"){parts.push('"i"')}else if(part==="[i]"){parts.push('get("i")')}else{parts.push(part.slice(1,-1))}});return"get("+parts.join(",")+")"};Parser.prototype.escName=function(str){return str.replace(/\W/g,function(s){return"$"+s.charCodeAt(0).toString(16)})};Parser.prototype.parseQuoted=function(str){if(str.charAt(0)==="'"){str=str.slice(1,-1).replace(/\\.|"/,function(s){if(s==="\\'")return"'";return s.charAt(0)==="\\"?s:"\\"+s});str='"'+str+'"'}return JSON.parse(str)};var tagHandlers={if:function(expr){this.push("if ("+this.parseExpr(expr)+") {");this.nest.unshift("if")},else:function(){if(this.nest[0]==="for"){this.push("}, function() {")}else{this.push("} else {")}},elseif:function(expr){this.push("} else if ("+this.parseExpr(expr)+") {")},endif:function(){this.nest.shift();this.push("}")},for:function(str){var i=str.indexOf(" in ");var name=str.slice(0,i).trim();var expr=str.slice(i+4).trim();this.push("each("+this.parseExpr(expr)+","+JSON.stringify(name)+",function() {");this.nest.unshift("for")},endfor:function(){this.nest.shift();this.push("});")},raw:function(){this.rawMode=true},endraw:function(){this.rawMode=false},set:function(stmt){var i=stmt.indexOf("=");var name=stmt.slice(0,i).trim();var expr=stmt.slice(i+1).trim();this.push("set("+JSON.stringify(name)+","+this.parseExpr(expr)+");")},block:function(name){if(this.isParent){++this.parentBlocks;var blockName="block_"+(this.escName(name)||this.parentBlocks);this.push("block(typeof "+blockName+' == "function" ? '+blockName+" : function() {")}else if(this.hasParent){this.isSilent=false;++this.childBlocks;blockName="block_"+(this.escName(name)||this.childBlocks);this.push("function "+blockName+"() {")}this.nest.unshift("block")},endblock:function(){this.nest.shift();if(this.isParent){this.push("});")}else if(this.hasParent){this.push("}");this.isSilent=true}},extends:function(name){name=this.parseQuoted(name);var parentSrc=this.readTemplateFile(name);this.isParent=true;this.tokenize(parentSrc);this.isParent=false;this.hasParent=true;this.isSilent=true},include:function(name){name=this.parseQuoted(name);var incSrc=this.readTemplateFile(name);this.isInclude=true;this.tokenize(incSrc);this.isInclude=false}};tagHandlers.assign=tagHandlers.set;tagHandlers.elif=tagHandlers.elseif;var getRuntime=function runtime(data,opts){var defaults={autoEscape:"toJson"};var _toString=Object.prototype.toString;var _hasOwnProperty=Object.prototype.hasOwnProperty;var getKeys=Object.keys||function(obj){var keys=[];for(var n in obj)if(_hasOwnProperty.call(obj,n))keys.push(n);return keys};var isArray=Array.isArray||function(obj){return _toString.call(obj)==="[object Array]"};var create=Object.create||function(obj){function F(){}F.prototype=obj;return new F};var toString=function(val){if(val==null)return"";return typeof val.toString=="function"?val.toString():_toString.call(val)};var extend=function(dest,src){var keys=getKeys(src);for(var i=0,len=keys.length;i<len;i++){var key=keys[i];dest[key]=src[key]}return dest};var get=function(){var val,n=arguments[0],c=stack.length;while(c--){val=stack[c][n];if(typeof val!="undefined")break}for(var i=1,len=arguments.length;i<len;i++){if(val==null)continue;n=arguments[i];val=_hasOwnProperty.call(val,n)?val[n]:typeof val._get=="function"?val[n]=val._get(n):null}return val==null?"":val};var set=function(n,val){stack[stack.length-1][n]=val};var push=function(ctx){stack.push(ctx||{})};var pop=function(){stack.pop()};var write=function(str){output.push(str)};var filter=function(val){for(var i=1,len=arguments.length;i<len;i++){var arr=arguments[i],name=arr[0],filter=filters[name];if(filter){arr[0]=val;val=filter.apply(data,arr)}else{throw new Error("Invalid filter: "+name)}}if(opts.autoEscape&&name!==opts.autoEscape&&name!=="safe"){val=filters[opts.autoEscape].call(data,val)}output.push(val)};var each=function(obj,loopvar,fn1,fn2){if(obj==null)return;var arr=isArray(obj)?obj:getKeys(obj),len=arr.length;var ctx={loop:{length:len,first:arr[0],last:arr[len-1]}};push(ctx);for(var i=0;i<len;i++){extend(ctx.loop,{index:i+1,index0:i});fn1(ctx[loopvar]=arr[i])}if(len===0&&fn2)fn2();pop()};var block=function(fn){push();fn();pop()};var render=function(){return output.join("")};data=data||{};opts=extend(defaults,opts||{});var filters=extend({html:function(val){return toString(val).split("&").join("&amp;").split("<").join("&lt;").split(">").join("&gt;").split('"').join("&quot;")},safe:function(val){return val},toJson:function(val){if(typeof val==="object"){return JSON.stringify(val)}return toString(val)}},opts.filters||{});var stack=[create(data||{})],output=[];return{get:get,set:set,push:push,pop:pop,write:write,filter:filter,each:each,block:block,render:render}};var runtime;jinja.compile=function(markup,opts){opts=opts||{};var parser=new Parser;parser.readTemplateFile=this.readTemplateFile;var code=[];code.push("function render($) {");code.push("var get = $.get, set = $.set, push = $.push, pop = $.pop, write = $.write, filter = $.filter, each = $.each, block = $.block;");code.push.apply(code,parser.parse(markup));code.push("return $.render();");code.push("}");code=code.join("\n");if(opts.runtime===false){var fn=new Function("data","options","return ("+code+")(runtime(data, options))")}else{runtime=runtime||(runtime=getRuntime.toString());fn=new Function("data","options","return ("+code+")(("+runtime+")(data, options))")}return{render:fn}};jinja.render=function(markup,data,opts){var tmpl=jinja.compile(markup);return tmpl.render(data,opts)};jinja.templateFiles=[];jinja.readTemplateFile=function(name){var templateFiles=this.templateFiles||[];var templateFile=templateFiles[name];if(templateFile==null){throw new Error("Template file not found: "+name)}return templateFile};function trimLeft(str){return str.replace(LEADING_SPACE,"")}function trimRight(str){return str.replace(TRAILING_SPACE,"")}function matchAll(str,reg,fn){reg=new RegExp(reg.source,"g"+(reg.ignoreCase?"i":"")+(reg.multiline?"m":""));var match;while(match=reg.exec(str)){var result=fn(match[0],match.index,str);if(typeof result=="number"){reg.lastIndex=result}}}});
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