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