56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
/*
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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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/** @typedef {import("./Resolver")} Resolver */
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/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
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/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
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module.exports = class UseFilePlugin {
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/**
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* @param {string | ResolveStepHook} source source
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* @param {string} filename filename
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* @param {string | ResolveStepHook} target target
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*/
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constructor(source, filename, target) {
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this.source = source;
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this.filename = filename;
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this.target = target;
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}
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/**
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* @param {Resolver} resolver the resolver
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* @returns {void}
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*/
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apply(resolver) {
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const target = resolver.ensureHook(this.target);
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resolver
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.getHook(this.source)
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.tapAsync("UseFilePlugin", (request, resolveContext, callback) => {
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const filePath = resolver.join(
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/** @type {string} */ (request.path),
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this.filename,
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);
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/** @type {ResolveRequest} */
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const obj = {
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...request,
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path: filePath,
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relativePath:
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request.relativePath &&
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resolver.join(request.relativePath, this.filename),
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};
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resolver.doResolve(
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target,
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obj,
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`using path: ${filePath}`,
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resolveContext,
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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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