source: trip-planner-front/node_modules/enhanced-resolve/lib/DirectoryExistsPlugin.js

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

initial commit

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8/** @typedef {import("./Resolver")} Resolver */
9/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
10
11module.exports = class DirectoryExistsPlugin {
12 /**
13 * @param {string | ResolveStepHook} source source
14 * @param {string | ResolveStepHook} target target
15 */
16 constructor(source, target) {
17 this.source = source;
18 this.target = target;
19 }
20
21 /**
22 * @param {Resolver} resolver the resolver
23 * @returns {void}
24 */
25 apply(resolver) {
26 const target = resolver.ensureHook(this.target);
27 resolver
28 .getHook(this.source)
29 .tapAsync(
30 "DirectoryExistsPlugin",
31 (request, resolveContext, callback) => {
32 const fs = resolver.fileSystem;
33 const directory = request.path;
34 if (!directory) return callback();
35 fs.stat(directory, (err, stat) => {
36 if (err || !stat) {
37 if (resolveContext.missingDependencies)
38 resolveContext.missingDependencies.add(directory);
39 if (resolveContext.log)
40 resolveContext.log(directory + " doesn't exist");
41 return callback();
42 }
43 if (!stat.isDirectory()) {
44 if (resolveContext.missingDependencies)
45 resolveContext.missingDependencies.add(directory);
46 if (resolveContext.log)
47 resolveContext.log(directory + " is not a directory");
48 return callback();
49 }
50 if (resolveContext.fileDependencies)
51 resolveContext.fileDependencies.add(directory);
52 resolver.doResolve(
53 target,
54 request,
55 `existing directory ${directory}`,
56 resolveContext,
57 callback
58 );
59 });
60 }
61 );
62 }
63};
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