48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
"use strict";
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const fs = require(`fs-extra`);
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const path = require(`path`);
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class GatsbyWebpackStatsExtractor {
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constructor(options) {
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this.plugin = {
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name: `GatsbyWebpackStatsExtractor`
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};
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this.options = options || {};
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}
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apply(compiler) {
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compiler.hooks.done.tapAsync(this.plugin, (stats, done) => {
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let assets = {};
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let assetsMap = {};
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for (let chunkGroup of stats.compilation.chunkGroups) {
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if (chunkGroup.name) {
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let files = [];
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for (let chunk of chunkGroup.chunks) {
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files.push(...chunk.files);
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}
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assets[chunkGroup.name] = files.filter(f => f.slice(-4) !== `.map`);
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assetsMap[chunkGroup.name] = files.filter(f => f.slice(-4) !== `.map` && f.slice(0, chunkGroup.name.length) === chunkGroup.name).map(filename => `/${filename}`);
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}
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}
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const webpackStats = Object.assign({}, stats.toJson({
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all: false,
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chunkGroups: true
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}), {
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assetsByChunkName: assets
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});
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fs.writeFile(path.join(`public`, `chunk-map.json`), JSON.stringify(assetsMap), () => {
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fs.writeFile(path.join(`public`, `webpack.stats.json`), JSON.stringify(webpackStats), done);
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});
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});
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}
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}
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module.exports = GatsbyWebpackStatsExtractor;
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//# sourceMappingURL=gatsby-webpack-stats-extractor.js.map
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