Hipster filler text generator.

hipster-filler.js

/*!
 * Hipster filler text generator.
 * Inspired by (and words taken from):
 * http://hipsum.co/
 * 
 * Usage:
 *
 * // sentences only
 * APP.utils.hipster.sentence(); // generates 1 sentence with 9, 12, or 18 words
 * APP.utils.hipster.sentences(3); // generates 3 sentences
 * APP.utils.hipster.sentences(4, 12); // generates 4 sentences with 12 words each
 *
 * // paragraphs
 * APP.utils.hipster.paragraph(); // generates 1 paragraph with 2, 3, or 5 sentences with 9, 12, or 18 words
 * APP.utils.hipster.paragraphs(); // generates 1, 2, or 3 paragraphs with 2, 3, or 5 sentences with 9, 12, or 18 words
 * APP.utils.hipster.paragraphs(3); // generates 3 paragraphs
 * APP.utils.hipster.paragraphs(2, 4); // generates 2 paragraphs with 4 sentences each
 * APP.utils.hipster.paragraphs(3, 5, 15); // generates 3 paragraphs with 5 sentences each, with 15 words per sentence
 */

var APP = (typeof APP == 'object') ? APP : {};

(function(APP){

    var lingo, punc, utils, hipster;

    lingo =
    ('trust fund|PBR&B|street art|mustache|roof party|health|goth|selfies|next level|hashtag|' +
    'post-ironic|Vice|sriracha|banh mi|art party|paleo|flexitarian|tweet|street|art|scenester|' +
    'whatever|chillwave|tousled|tofu|raw|denim|cred|cold-pressed|Echo Park|migas|listicle|' +
    'crucifix|90s|Odd Future|farm-to-table|four loko|iPhone|actually|craft beer|beard oil|' +
    'banjo|VHS|vinyl|8-bit|Thundercats|readymade|blog|locavore|pickled|skateboard|disrupt|' +
    'salvia|millenial|bitters|cassette|stumptown|Tumblr|butcher|lomo|single-origin|coffee|' +
    'Etsy|master cleanse|American Apparel|yr mixtape|messenger bag|jean shorts|synth|retro|' +
    'narwhal|occupy|Austin|tote bag|pug|umami|viral|semiotics|Banksy|small batch|gluten-free|' +
    'fingerstache|YOLO|ethical|DIY|typewriter|organic|mumblecore|fixie|vegan|four dollar toast|' +
    'keytar|meggings|cray-cray|polaroid|truffaut|flannel|hella|gastropub|food truck').split('|');

    punc = ('. . . ? . . . ! . . . ? . . .').split(' '); // weight periods?

    APP.utils = utils =
    getObject(APP.utils);

    APP.utils.hipster = hipster =
    getObject(APP.utils.hipster);

    // generate sentences (text only)
    hipster.sentences = function(sentences, words){

        var output = [], temp = [], i = -1, ii = -1;

        sentences = sentences || 1;
        words = words || randomFromArray([9, 12, 18]);

        while (++i < sentences) {
            temp = [];
            ii = -1;
            while (++ii < words) {
                temp.push(randomFromArray(lingo));
            }
            output.push(sentenceCase(temp.join(' ')) + randomFromArray(punc) + ' ');
        }
        return output.join(' ').replace(/\s+$/, '');
    };

    // generate ONE sentence (text only),
    // optionally specifying word count
    hipster.sentence = function(words){
        return hipster.sentences(1, words);
    };

    // generate string appropriate for use
    // in an HTML element id attribute:
    // starts with letter and has only
    // letters, numbers, and hyphens
    // optionally appending the time in ms
    hipster.id = function(words, prefix, time){

        var id = hipster.sentences(1, words || 2);

        if (time) {
            id += ('-' + Date.now());
        }

        if (prefix) {
            id = prefix + '-' + id;
        }

        return id.
        replace(/^[^A-Za-z]/, 'x-$&'). // starts with other than a letter
        replace(/[^A-Za-z0-9]/g, '-'). // remove non-alphanumeric
        replace(/\-+/g, '-'). // remove any multiple hyphens that were created
        slice(0, -1).toLowerCase(); // remove punctuation and lowercaserize

    };

    // generate paragraphs (HTML with <p> tags)
    hipster.paragraphs = function(paragraphs, sentences, words){

        var output = '', i = -1;

        paragraphs = paragraphs || randomFromArray([1, 2, 3]);

        while (++i < paragraphs) {
            sentences = sentences || randomFromArray([2, 3, 5]);
            output += ('<p class="hipster">' + hipster.sentences(sentences, words) + '</p>');
        }
        return output;
    };

    // generate ONE paragraph (with <p></p>),
    // optionally specifying sentence and word count
    hipster.paragraph = function(sentences, words){
        return hipster.paragraphs(1, sentences, words);
    };

    function randomFromArray(arr){
        return arr[Math.floor(Math.random() * (arr.length))]
    }

    function sentenceCase(string){
        return string.charAt(0).toUpperCase() + string.slice(1);
    }

    function isPlainObject(obj){
        return Object.prototype.toString.call(obj) === '[object Object]';
    }

    function getObject(obj){
        return isPlainObject(obj) ? obj : {};
    }

})(APP);