haste-server/lib/key_generators/dictionary.js

32 lines
786 B
JavaScript

const fs = require('fs');
module.exports = class DictionaryGenerator {
constructor(options, readyCallback) {
// Check options format
if (!options) throw Error('No options passed to generator');
if (!options.path) throw Error('No dictionary path specified in options');
// Load dictionary
fs.readFile(options.path, 'utf8', (err, data) => {
if (err) throw err;
this.dictionary = data.split(/[\n\r]+/);
if (readyCallback) readyCallback();
});
}
// Generates a dictionary-based key, of keyLength words
createKey(keyLength) {
let text = '';
for (let i = 0; i < keyLength; i++) {
const index = Math.floor(Math.random() * this.dictionary.length);
text += this.dictionary[index];
}
return text;
}
};