rword/dist/Rword.js

A cryptographically secure random generator for real English words. Contains 370,000 words.

import { Random } from './Random.js';
export class Rword {
    generations = 0;
    seedChars;
    words = [];
    constructor(words, seed) {
        this.seedChars = seed
            ? Array.from(seed).map((c) => c.charCodeAt(0))
            : undefined;
        this.load(words.slice());
    }
    generate(length = 1) {
        if (length <= 0)
            return [];
        if (this.seedChars) {
            return Array.from({ length }, () => {
                const index = Math.floor(Random.seededValue(this.seedChars, this.generations++) *
                    this.words.length);
                return this.words[index];
            });
        }
        return Random.indexes(this.words.length, length).map((i) => this.words[i]);
    }
    getWords() {
        return this.words;
    }
    shuffle() {
        Random.shuffle(this.words, this.seedChars);
    }
    load(words) {
        this.words = words;
        this.shuffle();
    }
}
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