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50 lines
1.0 KiB
50 lines
1.0 KiB
/* |
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MIT License http://www.opensource.org/licenses/mit-license.php |
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Author Tobias Koppers @sokra |
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*/ |
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"use strict"; |
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const PrefetchDependency = require("./dependencies/PrefetchDependency"); |
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/** @typedef {import("./Compiler")} Compiler */ |
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class PrefetchPlugin { |
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constructor(context, request) { |
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if (request) { |
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this.context = context; |
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this.request = request; |
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} else { |
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this.context = null; |
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this.request = context; |
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} |
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} |
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/** |
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* Apply the plugin |
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* @param {Compiler} compiler the compiler instance |
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* @returns {void} |
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*/ |
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apply(compiler) { |
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compiler.hooks.compilation.tap( |
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"PrefetchPlugin", |
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(compilation, { normalModuleFactory }) => { |
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compilation.dependencyFactories.set( |
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PrefetchDependency, |
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normalModuleFactory |
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); |
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} |
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); |
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compiler.hooks.make.tapAsync("PrefetchPlugin", (compilation, callback) => { |
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compilation.addModuleChain( |
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this.context || compiler.context, |
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new PrefetchDependency(this.request), |
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err => { |
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callback(err); |
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} |
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); |
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}); |
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} |
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} |
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module.exports = PrefetchPlugin;
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