32 lines
850 B
JavaScript
32 lines
850 B
JavaScript
import { ConcatSource } from 'webpack-sources'
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// This plugin combines a set of assets into a single asset
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// This should be only used with text assets,
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// otherwise the result is unpredictable.
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export default class CombineAssetsPlugin {
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constructor ({ input, output }) {
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this.input = input
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this.output = output
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}
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apply (compiler) {
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compiler.plugin('compilation', (compilation) => {
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compilation.plugin('optimize-chunk-assets', (chunks, callback) => {
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const concat = new ConcatSource()
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this.input.forEach((name) => {
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const asset = compilation.assets[name]
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if (!asset) return
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concat.add(asset)
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// We keep existing assets since that helps when analyzing the bundle
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})
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compilation.assets[this.output] = concat
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callback()
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})
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})
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}
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}
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