source: trip-planner-front/node_modules/enhanced-resolve/lib/RootsPlugin.js@ 188ee53

Last change on this file since 188ee53 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.3 KB
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1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Ivan Kopeykin @vankop
4*/
5
6"use strict";
7
8const forEachBail = require("./forEachBail");
9
10/** @typedef {import("./Resolver")} Resolver */
11/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
12
13class RootsPlugin {
14 /**
15 * @param {string | ResolveStepHook} source source hook
16 * @param {Set<string>} roots roots
17 * @param {string | ResolveStepHook} target target hook
18 */
19 constructor(source, roots, target) {
20 this.roots = Array.from(roots);
21 this.source = source;
22 this.target = target;
23 }
24
25 /**
26 * @param {Resolver} resolver the resolver
27 * @returns {void}
28 */
29 apply(resolver) {
30 const target = resolver.ensureHook(this.target);
31
32 resolver
33 .getHook(this.source)
34 .tapAsync("RootsPlugin", (request, resolveContext, callback) => {
35 const req = request.request;
36 if (!req) return callback();
37 if (!req.startsWith("/")) return callback();
38
39 forEachBail(
40 this.roots,
41 (root, callback) => {
42 const path = resolver.join(root, req.slice(1));
43 const obj = {
44 ...request,
45 path,
46 relativePath: request.relativePath && path
47 };
48 resolver.doResolve(
49 target,
50 obj,
51 `root path ${root}`,
52 resolveContext,
53 callback
54 );
55 },
56 callback
57 );
58 });
59 }
60}
61
62module.exports = RootsPlugin;
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