INNER CODE UNIT · JavaScript

cast

danburzo/percollate · src/cli-opts.js:94

export function cast(val) {
	if (val === 'true') return true;
	if (val === 'false') return false;
	const num = parseFloat(val);
	if (!Number.isNaN(num)) return num;
	return val;
}

export function namespacedOptions(options, namespace) {
	const matcher = new RegExp(String.raw`${namespace}\.(.+)`);
	return Object.keys(options).reduce((obj, k) => {
		const m = k.match(matcher);
		if (m) {
			obj[m[1]] = cast(options[k]);
		}
		return obj;
	}, {});
}

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