haste-server/lib/key_generators/random.js

module.exports = class RandomKeyGenerator {

	// Initialize a new generator with the given keySpace
	constructor(options = {}){
		this.keyspace = options.keyspace || 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
	}

	// Generate a key of the given length
	createKey(keyLength){
		let text = '';

		for (let i = 0; i < keyLength; i++){
			const index = Math.floor(Math.random() * this.keyspace.length);
			text += this.keyspace.charAt(index);
		}

		return text;
	}

};