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index.js
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index.js
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/**
* @module index.js
* @desc
* @author Created by kimhou on 16/2/2
*/
'use strict';
var ConcatSource = require('webpack-core/lib/ConcatSource');
function ReplaceBundlePlugin(args) {
if (!( args instanceof Array)) {
throw new TypeError('Argument "args" must be an array.');
}
this.replacements = args;
}
function apply(compiler) {
// compiler.plugin('compilation', (compilation)=> {
// compilation.plugin('optimize-chunk-assets', (chunks, done)=> {
// replaceBundleStrings(compilation, chunks, this.replacements);
// done();
// })
// });
// compiler.hooks.compilation.tap('ReplaceBundlePlugin', (compilation) => {
// compilation.hooks.optimizeChunkAssets.tapAsync('ReplaceBundlePlugin', (chunks, callback) => {
// console.log(chunks)
// replaceBundleStrings(compilation, chunks, this.replacements);
// callback();
// })
// })
// compiler.hooks.optimizeChunkAssets
// .tapAsync('ReplaceBundlePlugin', (chunks, callback) => {
// replaceBundleStrings(compilation, chunks, this.replacements);
// callback();
// })
compiler.hooks.compilation.tap('ReplaceBundlePlugin', (compilation) => {
compilation.hooks.processAssets.tap(
{
name: 'ReplaceBundlePlugin',
stage: compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
},
(assets) => {
// console.log('====', typeof(assets), '====', assets)
// code here
replaceBundleStringsNew(compilation, assets, this.replacements)
// replaceFile(compilation, 'xx', replacement)
}
);
})
}
function replaceBundleStringsNew(compilation, assets, replacements){
Object.keys(assets).forEach(function (chunk) {
replaceFile(compilation, chunk, replacements);
});
}
function replaceBundleStrings(compilation, chunks, replacements){
chunks.forEach(function (chunk) {
chunk.files.forEach(function (fileName) {
replaceFile(compilation, fileName, replacements);
});
});
}
function replaceFile(compilation, fileName, replacements){
var result = compilation.assets[fileName].source();
replacements.forEach(function (replacement) {
if(!replacement.skip && replacement.partten && replacement.replacement && typeof(result) === 'string'){
result = result.replace(replacement.partten, replacement.replacement);
}
});
if(typeof(result) === 'string') {
compilation.assets[fileName] = new ConcatSource(result);
}
}
Object.defineProperty(ReplaceBundlePlugin.prototype, 'apply', {
value: apply,
enumerable: false
});
module.exports = ReplaceBundlePlugin;