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50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
/* eslint-disable import/no-extraneous-dependencies */
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const _ = require('lodash');
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const crypto = require('crypto');
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export default class StaticManifestPlugin {
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constructor({ fileName, ignore }) {
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this.fileName = fileName;
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this.ignore = ignore;
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}
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apply(compiler) {
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compiler.hooks.emit.tap('sync', (compilation) => {
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const stats = compilation.getStats().toJson();
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const manifest = _(stats.assets)
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.map((asset) => {
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const { name } = asset;
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// Skip files listed in ignore
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if (_.some(this.ignore, (ignorePattern) => name.indexOf(ignorePattern) > -1)) {
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return null;
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}
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// Skip calculating hash for names like ?xxxx
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if (name.indexOf('?') > -1) {
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return [
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name.replace(/\?[\s\S]*/, ''), // origin name
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name, // name with hash
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];
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}
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// We need to calculate hash for the remaining files.
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const source = compilation.assets[asset.name].source();
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const shasum = crypto.createHash('sha1');
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shasum.update(source);
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const hash = shasum.digest('hex').substr(0, 10);
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return [
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name, // origin name
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`${name}?${hash}`, // name with hash
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];
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})
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.filter()
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.orderBy(['0'])
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.fromPairs()
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.value();
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const json = JSON.stringify(manifest, null, 2);
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compilation.assets[this.fileName] = {
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source: () => json,
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size: () => json.length,
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};
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});
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}
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}
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