40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
const wu=require("./wuLib.js");
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const path=require("path");
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const UglifyJS=require("uglify-es");
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const {js_beautify}=require("js-beautify");
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const {VM}=require('vm2');
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function jsBeautify(code){
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return UglifyJS.minify(code,{mangle:false,compress:false,output:{beautify:true,comments:true}}).code;
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}
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function splitJs(name,cb){
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let dir=path.dirname(name);
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wu.get(name,code=>{
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let needDelList={};
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let vm=new VM({sandbox:{
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require(){},
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define(name,func){
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let code=func.toString();
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code=code.slice(code.indexOf("{")+1,code.lastIndexOf("}")-1).trim();
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let bcode=code;
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if(code.startsWith('"use strict";')||code.startsWith("'use strict';"))code=code.slice(13);
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else if((code.startsWith('(function(){"use strict";')||code.startsWith("(function(){'use strict';"))&&code.endsWith("})();"))code=code.slice(25,-5);
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let res=jsBeautify(code);
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if(typeof res=="undefined"){
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console.log("Fail to delete 'use strict' in \""+name+"\".");
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res=jsBeautify(bcode);
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}
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needDelList[path.resolve(dir,name)]=-8;
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wu.save(path.resolve(dir,name),jsBeautify(res));
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}
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}});
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vm.run(code.slice(code.indexOf("define(")));
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console.log("Splitting \""+name+"\" done.");
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if(!needDelList[name])needDelList[name]=8;
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cb(needDelList);
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});
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}
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module.exports={jsBeautify:jsBeautify,wxsBeautify:js_beautify,splitJs:splitJs};
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if(require.main===module){
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wu.commandExecute(splitJs,"Split and beautify weapp js file.\n\n<files...>\n\n<files...> js files to split and beautify.");
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}
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