27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
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/**
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* Plugin for HtmlPlugin which inlines content for an extracted Webpack manifest
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* into the HTML in a <script> tag before other emitted asssets are injected by
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* HtmlPlugin itself.
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*/
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export default function injectManifestPlugin() {
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this.plugin('compilation', (compilation) => {
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compilation.plugin('html-webpack-plugin-before-html-processing', (data, cb) => {
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Object.keys(compilation.assets).forEach((key) => {
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if (!key.startsWith('manifest.')) { return; }
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const { children } = compilation.assets[key];
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if (children && children[0]) {
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// eslint-disable-next-line no-param-reassign
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data.html = data.html.replace(/^(\s*)<\/body>/m, `$1<script>${children[0]._value}</script>\n$1</body>`);
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// Remove the manifest from HtmlPlugin's assets to prevent a <script>
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// tag being created for it.
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const manifestIndex = data.assets.js.indexOf(data.assets.publicPath + key);
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data.assets.js.splice(manifestIndex, 1);
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// eslint-disable-next-line no-param-reassign
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delete data.assets.chunks.manifest;
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}
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});
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cb(null, data);
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});
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});
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}
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