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script to extract sources, from sourcesContent field in sourcemap
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'use strict'; | |
var fs = require('fs'); | |
var maps = [ | |
fs.readFileSync('./main.xxxx.js.map'), | |
fs.readFileSync('./1.chunk.xxxx.js.map'), | |
fs.readFileSync('./2.chunk.xxxx.js.map'), | |
fs.readFileSync('./3.chunk.xxxx.js.map') | |
]; | |
function mapping(name){ | |
if (/^webpack:\/\/\/\.\//.test(name)) { | |
return 'unpacked/' + name.replace(/^webpack:\/\/\/\.\//, 'app/') | |
.replace(/\.(\w+)\?[./]*/, '\.$1'); | |
} | |
// add more cases here to map all mossible source paths | |
return false; | |
} | |
maps.forEach(function (mainJSON) { | |
var main = JSON.parse(mainJSON); | |
main.sources.forEach(function (name, i) { | |
var dstFile; | |
if (dstFile = mapping(name)) { | |
if (!fs.existsSync(dstFile)) { | |
var dirs = dstFile.split('/'); | |
dirs.slice(0,-1).reduce(function (acc, di) { | |
var dir = acc+di; | |
if (!fs.existsSync(dir)) { | |
fs.mkdirSync(dir); | |
} | |
return dir+'/'; | |
}, './'); | |
fs.writeFileSync(dstFile, main.sourcesContent[i]); | |
} | |
} else { | |
console.log('Mapping missing for filename: '+name); | |
} | |
}); | |
}); |
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