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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
- /** @typedef {import("./Resolver")} Resolver */
- /** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
- /** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
- module.exports = class ParsePlugin {
- /**
- * @param {string | ResolveStepHook} source source
- * @param {Partial<ResolveRequest>} requestOptions request options
- * @param {string | ResolveStepHook} target target
- */
- constructor(source, requestOptions, target) {
- this.source = source;
- this.requestOptions = requestOptions;
- this.target = target;
- }
- /**
- * @param {Resolver} resolver the resolver
- * @returns {void}
- */
- apply(resolver) {
- const target = resolver.ensureHook(this.target);
- resolver
- .getHook(this.source)
- .tapAsync("ParsePlugin", (request, resolveContext, callback) => {
- const parsed = resolver.parse(/** @type {string} */ (request.request));
- /** @type {ResolveRequest} */
- const obj = { ...request, ...parsed, ...this.requestOptions };
- if (request.query && !parsed.query) {
- obj.query = request.query;
- }
- if (request.fragment && !parsed.fragment) {
- obj.fragment = request.fragment;
- }
- if (parsed && resolveContext.log) {
- if (parsed.module) resolveContext.log("Parsed request is a module");
- if (parsed.directory)
- resolveContext.log("Parsed request is a directory");
- }
- // There is an edge-case where a request with # can be a path or a fragment -> try both
- if (obj.request && !obj.query && obj.fragment) {
- const directory = obj.fragment.endsWith("/");
- /** @type {ResolveRequest} */
- const alternative = {
- ...obj,
- directory,
- request:
- obj.request +
- (obj.directory ? "/" : "") +
- (directory ? obj.fragment.slice(0, -1) : obj.fragment),
- fragment: ""
- };
- resolver.doResolve(
- target,
- alternative,
- null,
- resolveContext,
- (err, result) => {
- if (err) return callback(err);
- if (result) return callback(null, result);
- resolver.doResolve(target, obj, null, resolveContext, callback);
- }
- );
- return;
- }
- resolver.doResolve(target, obj, null, resolveContext, callback);
- });
- }
- };
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