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77 lines
2.3 KiB
77 lines
2.3 KiB
4 weeks ago
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/*
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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 ParsePlugin {
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/**
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* @param {string | ResolveStepHook} source source
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* @param {Partial<ResolveRequest>} requestOptions request options
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* @param {string | ResolveStepHook} target target
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*/
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constructor(source, requestOptions, target) {
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this.source = source;
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this.requestOptions = requestOptions;
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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("ParsePlugin", (request, resolveContext, callback) => {
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const parsed = resolver.parse(/** @type {string} */ (request.request));
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/** @type {ResolveRequest} */
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const obj = { ...request, ...parsed, ...this.requestOptions };
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if (request.query && !parsed.query) {
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obj.query = request.query;
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}
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if (request.fragment && !parsed.fragment) {
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obj.fragment = request.fragment;
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}
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if (parsed && resolveContext.log) {
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if (parsed.module) resolveContext.log("Parsed request is a module");
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if (parsed.directory)
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resolveContext.log("Parsed request is a directory");
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}
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// There is an edge-case where a request with # can be a path or a fragment -> try both
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if (obj.request && !obj.query && obj.fragment) {
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const directory = obj.fragment.endsWith("/");
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/** @type {ResolveRequest} */
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const alternative = {
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...obj,
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directory,
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request:
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obj.request +
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(obj.directory ? "/" : "") +
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(directory ? obj.fragment.slice(0, -1) : obj.fragment),
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fragment: ""
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};
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resolver.doResolve(
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target,
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alternative,
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null,
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resolveContext,
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(err, result) => {
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if (err) return callback(err);
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if (result) return callback(null, result);
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resolver.doResolve(target, obj, null, resolveContext, callback);
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}
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);
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return;
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}
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resolver.doResolve(target, obj, null, resolveContext, callback);
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});
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}
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};
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