1 |
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2 | const { readdir, stat } = require('fs');
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3 | const { resolve, join } = require('path');
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4 | const { promisify } = require('util');
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5 |
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6 | const ls = promisify(readdir);
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7 | const toStat = promisify(stat);
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8 | const toRegex = x => new RegExp(x, 'i');
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9 |
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10 | async function parse(dir, pattern, opts = {}) {
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11 | if (pattern) pattern = toRegex(pattern);
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12 | else if (dir) pattern = /(((?:[^\/]*(?:\/|$))*)[\\\/])?\w+\.([mc]js|[jt]sx?)$/;
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13 | else pattern = /((\/|^)(tests?|__tests?__)\/.*|\.(tests?|spec)|^\/?tests?)\.([mc]js|[jt]sx?)$/i;
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14 | dir = resolve(opts.cwd || '.', dir || '.');
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15 |
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16 | let suites = [];
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17 | let requires = [].concat(opts.require || []).filter(Boolean);
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18 | let ignores = ['^.git', 'node_modules'].concat(opts.ignore || []).map(toRegex);
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19 |
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20 | requires.forEach(name => {
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21 | try { return require(name) }
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22 | catch (e) { throw new Error(`Cannot find module "${name}"`) }
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23 | });
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24 |
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25 |
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26 |
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27 | await (async function collect(d, p) {
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28 | await ls(d).then(files => {
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29 | return Promise.all(
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30 | files.map(async str => {
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31 | let name = join(p, str);
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32 | for (let i = ignores.length; i--;) {
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33 | if (ignores[i].test(name)) return;
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34 | }
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35 |
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36 | let file = join(d, str);
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37 | let stats = await toStat(file);
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38 | if (stats.isDirectory()) return collect(file, name);
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39 | else if (pattern.test(name)) suites.push({ name, file });
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40 | })
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41 | );
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42 | });
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43 | })(dir, '');
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44 |
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45 | suites.sort((a, b) => a.name.localeCompare(b.name));
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46 |
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47 | return { dir, suites, requires: requires.length > 0 };
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48 | }
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49 |
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50 | exports.parse = parse;
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