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add source map support #6

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Merged
merged 1 commit into from
Aug 9, 2016
Merged

add source map support #6

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32 changes: 29 additions & 3 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
"use strict";
var JavaScriptObfuscator = require('javascript-obfuscator'), multimatch = require('multimatch'), RawSource = require('webpack-core/lib/RawSource');
var JavaScriptObfuscator = require('javascript-obfuscator'), multimatch = require('multimatch'), RawSource = require('webpack-core/lib/RawSource'), SourceMapSource = require("webpack-core/lib/SourceMapSource"), transferSourceMap = require("multi-stage-sourcemap").transfer;
var WebpackObfuscator = (function () {
function WebpackObfuscator(options, excludes) {
this.options = {};
Expand All @@ -24,8 +24,34 @@ var WebpackObfuscator = (function () {
if (_this.shouldExclude(file, _this.excludes)) {
return;
}
var asset = compilation.assets[file], obfuscationResult = JavaScriptObfuscator.obfuscate(asset.source(), _this.options);
compilation.assets[file] = new RawSource(obfuscationResult.toString());
var asset = compilation.assets[file];
var input, inputSourceMap;
if (_this.options.sourceMap !== false) {
if (asset.sourceAndMap) {
var sourceAndMap = asset.sourceAndMap();
inputSourceMap = sourceAndMap.map;
input = sourceAndMap.source;
}
else {
inputSourceMap = asset.map();
input = asset.source();
}
if (inputSourceMap) {
_this.options.sourceMap = true;
}
}
else {
input = asset.source();
}
var obfuscationResult = JavaScriptObfuscator.obfuscate(input, _this.options);
if (_this.options.sourceMap) {
var obfuscationSourceMap = obfuscationResult.getSourceMap();
var transferedSourceMap = transferSourceMap({ fromSourceMap: obfuscationSourceMap, toSourceMap: inputSourceMap });
compilation.assets[file] = new SourceMapSource(obfuscationResult.toString(), file, JSON.parse(transferedSourceMap), asset.source(), inputSourceMap);
}
else {
compilation.assets[file] = new RawSource(obfuscationResult.toString());
}
});
callback();
});
Expand Down
36 changes: 30 additions & 6 deletions index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,9 @@

let JavaScriptObfuscator = require('javascript-obfuscator'),
multimatch: any = require('multimatch'),
RawSource: any = require('webpack-core/lib/RawSource');
RawSource: any = require('webpack-core/lib/RawSource'),
SourceMapSource: any = require("webpack-core/lib/SourceMapSource"),
transferSourceMap = require("multi-stage-sourcemap").transfer;

class WebpackObfuscator {
public options: any = {};
Expand Down Expand Up @@ -41,14 +43,36 @@ class WebpackObfuscator {
if (this.shouldExclude(file, this.excludes)) {
return;
}
let asset = compilation.assets[file];
let input, inputSourceMap;
if (this.options.sourceMap !== false) {
if (asset.sourceAndMap) {
let sourceAndMap = asset.sourceAndMap();
inputSourceMap = sourceAndMap.map;
input = sourceAndMap.source;
} else {
inputSourceMap = asset.map();
input = asset.source();
}
if (inputSourceMap) {
this.options.sourceMap = true;
}
} else {
input = asset.source();
}

let asset = compilation.assets[file],
obfuscationResult: any = JavaScriptObfuscator.obfuscate(
asset.source(),
let obfuscationResult: any = JavaScriptObfuscator.obfuscate(
input,
this.options
);

compilation.assets[file] = new RawSource(obfuscationResult.toString());
if (this.options.sourceMap) {
let obfuscationSourceMap: any = obfuscationResult.getSourceMap();
let transferedSourceMap: any = transferSourceMap({fromSourceMap: obfuscationSourceMap, toSourceMap: inputSourceMap});
compilation.assets[file] = new SourceMapSource(obfuscationResult.toString(), file, JSON.parse(transferedSourceMap), asset.source(), inputSourceMap);
}
else {
compilation.assets[file] = new RawSource(obfuscationResult.toString());
}
});

callback();
Expand Down
1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
"main": "index.js",
"dependencies": {
"javascript-obfuscator": "^0.7.0-dev.3",
"multi-stage-sourcemap": "^0.2.1",
"multimatch": "^2.0.0",
"webpack-core": "^0.6.8"
},
Expand Down