Simple Lorem Ipsum generation in Javascript.

lipsum.js

// Some stuff from https://github.com/knicklabs/lorem-ipsum.js

const WORDS = [
    'ad', 'adipisicing', 'aliqua', 'aliquip', 'amet', 'anim', 'aute',
    'cillum', 'commodo', 'consectetur', 'consequat', 'culpa',
    'cupidatat', 'deserunt', 'do', 'dolor', 'dolore', 'duis', 'ea',
    'eiusmod', 'elit', 'enim', 'esse', 'est', 'et', 'eu', 'ex',
    'excepteur', 'exercitation', 'fugiat', 'id', 'in', 'incididunt',
    'ipsum', 'irure', 'labore', 'laboris', 'laborum', 'Lorem',
    'magna', 'minim', 'mollit', 'nisi', 'non', 'nostrud', 'nulla',
    'occaecat', 'officia', 'pariatur', 'proident', 'qui', 'quis',
    'reprehenderit', 'sint', 'sit', 'sunt', 'tempor', 'ullamco', 'ut',
    'velit', 'veniam', 'voluptate'];


function randomInteger(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min);
}


function randomChoice(array) {
    let idx = randomInteger(0, array.length - 1);
    return array[idx];
}


export function randomWord() {
    return randomChoice(WORDS);
}


function capitalize(word) {
    if (!word.length) {
        return word;
    }
    return word.charAt(0).toUpperCase() + word.slice(1);
}


export function randomSentence(wordsCount) {
    let words = [];
    for (let i = 0; i < wordsCount; i++) {
        let word = randomWord();
        if (i == 0) {
            word = capitalize(word);
        }
        words.push(word);
    }
    return words.join(' ') + (wordsCount > 0 ? '.' : '');
}


export function randomParagraph(wordsCount) {
    let sentences = [];
    while (wordsCount > 0) {
        let sentenceWordsCount = randomInteger(3, 15);
        sentenceWordsCount = Math.min(sentenceWordsCount, wordsCount);
        wordsCount -= sentenceWordsCount;
        sentences.push(randomSentence(sentenceWordsCount));
    }
    return {sentences.join(' ')};
}