function collectFiles()

in src/package.ts [1446:1499]

• 43 lines of code
• 7 McCabe index (conditional complexity)

function collectFiles(
	cwd: string,
	dependencies: 'npm' | 'yarn' | 'none' | undefined,
	dependencyEntryPoints?: string[],
	ignoreFile?: string
): Promise<string[]> {
	return collectAllFiles(cwd, dependencies, dependencyEntryPoints).then(files => {
		files = files.filter(f => !/\r$/m.test(f));

		return (
			fs.promises
				.readFile(ignoreFile ? ignoreFile : path.join(cwd, '.vscodeignore'), 'utf8')
				.catch<string>(err =>
					err.code !== 'ENOENT' ? Promise.reject(err) : ignoreFile ? Promise.reject(err) : Promise.resolve('')
				)

				// Parse raw ignore by splitting output into lines and filtering out empty lines and comments
				.then(rawIgnore =>
					rawIgnore
						.split(/[\n\r]/)
						.map(s => s.trim())
						.filter(s => !!s)
						.filter(i => !/^\s*#/.test(i))
				)

				// Add '/**' to possible folder names
				.then(ignore => [
					...ignore,
					...ignore.filter(i => !/(^|\/)[^/]*\*[^/]*$/.test(i)).map(i => (/\/$/.test(i) ? `${i}**` : `${i}/**`)),
				])

				// Combine with default ignore list
				.then(ignore => [...defaultIgnore, ...ignore, ...notIgnored])

				// Split into ignore and negate list
				.then(ignore =>
					ignore.reduce<[string[], string[]]>(
						(r, e) => (!/^\s*!/.test(e) ? [[...r[0], e], r[1]] : [r[0], [...r[1], e]]),
						[[], []]
					)
				)
				.then(r => ({ ignore: r[0], negate: r[1] }))

				// Filter out files
				.then(({ ignore, negate }) =>
					files.filter(
						f =>
							!ignore.some(i => minimatch(f, i, MinimatchOptions)) ||
							negate.some(i => minimatch(f, i.substr(1), MinimatchOptions))
					)
				)
		);
	});
}