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// @ts-check
const { readdir, stat } = require('fs');
const { resolve, join } = require('path');
const { promisify } = require('util');
const ls = promisify(readdir);
const toStat = promisify(stat);
const toRegex = x => new RegExp(x, 'i');
async function parse(dir, pattern, opts = {}) {
if (pattern) pattern = toRegex(pattern);
else if (dir) pattern = /(((?:[^\/]*(?:\/|$))*)[\\\/])?\w+\.([mc]js|[jt]sx?)$/;
else pattern = /((\/|^)(tests?|__tests?__)\/.*|\.(tests?|spec)|^\/?tests?)\.([mc]js|[jt]sx?)$/i;
dir = resolve(opts.cwd || '.', dir || '.');
let suites = [];
let requires = [].concat(opts.require || []).filter(Boolean);
let ignores = ['^.git', 'node_modules'].concat(opts.ignore || []).map(toRegex);
requires.forEach(name => {
try { return require(name) }
catch (e) { throw new Error(`Cannot find module "${name}"`) }
});
// NOTE: Node 8.x support
// @modified lukeed/totalist
await (async function collect(d, p) {
await ls(d).then(files => {
return Promise.all(
files.map(async str => {
let name = join(p, str);
for (let i = ignores.length; i--;) {
if (ignores[i].test(name)) return;
}
let file = join(d, str);
let stats = await toStat(file);
if (stats.isDirectory()) return collect(file, name);
else if (pattern.test(name)) suites.push({ name, file });
})
);
});
})(dir, '');
suites.sort((a, b) => a.name.localeCompare(b.name));
return { dir, suites, requires: requires.length > 0 };
}
exports.parse = parse;
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