Last change
on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
set to
100644
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File size:
1.2 KB
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1 | var path = require('path');
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2 | var parse = path.parse || require('path-parse');
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3 |
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4 | var getNodeModulesDirs = function getNodeModulesDirs(absoluteStart, modules) {
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5 | var prefix = '/';
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6 | if ((/^([A-Za-z]:)/).test(absoluteStart)) {
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7 | prefix = '';
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8 | } else if ((/^\\\\/).test(absoluteStart)) {
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9 | prefix = '\\\\';
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10 | }
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11 |
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12 | var paths = [absoluteStart];
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13 | var parsed = parse(absoluteStart);
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14 | while (parsed.dir !== paths[paths.length - 1]) {
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15 | paths.push(parsed.dir);
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16 | parsed = parse(parsed.dir);
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17 | }
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18 |
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19 | return paths.reduce(function (dirs, aPath) {
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20 | return dirs.concat(modules.map(function (moduleDir) {
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21 | return path.resolve(prefix, aPath, moduleDir);
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22 | }));
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23 | }, []);
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24 | };
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25 |
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26 | module.exports = function nodeModulesPaths(start, opts, request) {
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27 | var modules = opts && opts.moduleDirectory
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28 | ? [].concat(opts.moduleDirectory)
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29 | : ['node_modules'];
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30 |
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31 | if (opts && typeof opts.paths === 'function') {
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32 | return opts.paths(
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33 | request,
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34 | start,
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35 | function () { return getNodeModulesDirs(start, modules); },
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36 | opts
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37 | );
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38 | }
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39 |
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40 | var dirs = getNodeModulesDirs(start, modules);
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41 | return opts && opts.paths ? dirs.concat(opts.paths) : dirs;
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42 | };
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