source: trip-planner-front/node_modules/webpack/lib/sharing/utils.js@ 1ad8e64

Last change on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.3 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
8const { join, dirname, readJson } = require("../util/fs");
9
10/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
11
12/**
13 * @param {string} str maybe required version
14 * @returns {boolean} true, if it looks like a version
15 */
16exports.isRequiredVersion = str => {
17 return /^([\d^=v<>~]|[*xX]$)/.test(str);
18};
19
20/**
21 *
22 * @param {InputFileSystem} fs file system
23 * @param {string} directory directory to start looking into
24 * @param {string[]} descriptionFiles possible description filenames
25 * @param {function(Error=, {data: object, path: string}=): void} callback callback
26 */
27const getDescriptionFile = (fs, directory, descriptionFiles, callback) => {
28 let i = 0;
29 const tryLoadCurrent = () => {
30 if (i >= descriptionFiles.length) {
31 const parentDirectory = dirname(fs, directory);
32 if (!parentDirectory || parentDirectory === directory) return callback();
33 return getDescriptionFile(
34 fs,
35 parentDirectory,
36 descriptionFiles,
37 callback
38 );
39 }
40 const filePath = join(fs, directory, descriptionFiles[i]);
41 readJson(fs, filePath, (err, data) => {
42 if (err) {
43 if ("code" in err && err.code === "ENOENT") {
44 i++;
45 return tryLoadCurrent();
46 }
47 return callback(err);
48 }
49 if (!data || typeof data !== "object" || Array.isArray(data)) {
50 return callback(
51 new Error(`Description file ${filePath} is not an object`)
52 );
53 }
54 callback(null, { data, path: filePath });
55 });
56 };
57 tryLoadCurrent();
58};
59exports.getDescriptionFile = getDescriptionFile;
60
61exports.getRequiredVersionFromDescriptionFile = (data, packageName) => {
62 if (
63 data.optionalDependencies &&
64 typeof data.optionalDependencies === "object" &&
65 packageName in data.optionalDependencies
66 ) {
67 return data.optionalDependencies[packageName];
68 }
69 if (
70 data.dependencies &&
71 typeof data.dependencies === "object" &&
72 packageName in data.dependencies
73 ) {
74 return data.dependencies[packageName];
75 }
76 if (
77 data.peerDependencies &&
78 typeof data.peerDependencies === "object" &&
79 packageName in data.peerDependencies
80 ) {
81 return data.peerDependencies[packageName];
82 }
83 if (
84 data.devDependencies &&
85 typeof data.devDependencies === "object" &&
86 packageName in data.devDependencies
87 ) {
88 return data.devDependencies[packageName];
89 }
90};
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