captainduckduck/src/utils/Utils.ts

CLI tool for CaptainDuckDuck. See CaptainDuckDuck.com for more details.

export default {
	copyObject<T>(obj: T): T {
		return JSON.parse(JSON.stringify(obj)) as T;
	},

	generateUuidV4() {
		return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
			var r = (Math.random() * 16) | 0,
				v = c === 'x' ? r : (r & 0x3) | 0x8;
			return v.toString(16);
		});
	},

	getAnsiColorRegex() {
		const pattern = [
			'[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[a-zA-Z\\d]*)*)?\\u0007)',
			'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))'
		].join('|');

		return new RegExp(pattern, 'g');
	},

	cleanUpUrl(urlInput: string) {
		if (!urlInput || !urlInput.length) return null;

		let cleanedUrl = urlInput;

		if (cleanedUrl.indexOf('#') >= 0) cleanedUrl = cleanedUrl.substr(0, cleanedUrl.indexOf('#'));

		const hasSlashAtTheEnd = cleanedUrl.substr(cleanedUrl.length - 1, 1) === '/';

		if (hasSlashAtTheEnd) {
			// Remove the slash at the end
			cleanedUrl = cleanedUrl.substr(0, cleanedUrl.length - 1);
		}

		cleanedUrl = cleanedUrl.replace('http://', '').replace('https://', '').trim();

		return cleanedUrl;
	}
};