angular-lorem-ipsum.js

(function (angular) {

    angular.module('lorem', [])
        .factory('lorem', function () {

            // Stolen from https://github.com/knicklabs/lorem-ipsum.js and slightly modified

            /* output = loremIpsum({
             count: 1                      // Number of words, sentences, or paragraphs to generate.
             , units: 'sentences'            // Generate words, sentences, or paragraphs.
             , sentenceLowerBound: 5         // Minimum words per sentence.
             , sentenceUpperBound: 15        // Maximum words per sentence.
             , paragraphLowerBound: 3        // Minimum sentences per paragraph.
             , paragraphUpperBound: 7        // Maximum sentences per paragraph.
             , format: 'plain'               // Plain text or html
             , words: ['ad', 'dolor', ... ]  // Custom word dictionary. Uses dictionary.words (in lib/dictionary.js) by default.
             , random: Math.random           // A PRNG function. Uses seed random by default
             , capitalize: false             // Capitalize words
             });
             */

            /*module.exports = {
              create: generator,
              seed: seed,
              randomInteger: randomInteger
            };*/

            var _seed = 1;

            function seed(value) {
                _seed = value;
            }

            function random() {
                var x = Math.sin(_seed++) * 10000;
                return x - Math.floor(x);
            }

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

            function generator() {
                var options = (arguments.length) ? arguments[0] : {}
                    , count = options.count || 1
                    , units = options.units || 'sentences'
                    , sentenceLowerBound = options.sentenceLowerBound || 5
                    , sentenceUpperBound = options.sentenceUpperBound || 15
                    , paragraphLowerBound = options.paragraphLowerBound || 3
                    , paragraphUpperBound = options.paragraphUpperBound || 7
                    , format = options.format || 'plain'
                    , words = options.words || dictonary
                    , random = options.random || random // Math.random
                    , capitalize = options.capitalize || false;

                units = simplePluralize(units.toLowerCase());
                //    var randomInteger = function (min, max) {
                //      return Math.floor(random() * (max - min + 1) + min);
                //    };
                var randomWord = function (words) {
                    var w = words[randomInteger(0, words.length - 1)];

                    if (capitalize) {
                        w = w.charAt(0).toUpperCase() + w.slice(1);
                    }

                    return w;
                };
                var randomSentence = function (words, lowerBound, upperBound) {
                    var sentence = ''
                        , bounds = { min: 0, max: randomInteger(lowerBound, upperBound) };
                    while (bounds.min < bounds.max) {
                        sentence = sentence + ' ' + randomWord(words);
                        bounds.min = bounds.min + 1;
                    }
                    if (sentence.length) {
                        sentence = sentence.slice(1);
                        sentence = sentence.charAt(0).toUpperCase() + sentence.slice(1);
                    }
                    return sentence;
                };
                var randomParagraph = function (words, lowerBound, upperBound, sentenceLowerBound, sentenceUpperBound) {
                    var paragraph = ''
                        , bounds = { min: 0, max: randomInteger(lowerBound, upperBound) };
                    while (bounds.min < bounds.max) {
                        paragraph = paragraph + '. ' + randomSentence(words, sentenceLowerBound, sentenceUpperBound);
                        bounds.min = bounds.min + 1;
                    }
                    if (paragraph.length) {
                        paragraph = paragraph.slice(2);
                        paragraph = paragraph + '.';
                    }
                    return paragraph;
                };
                var iter = 0
                    , bounds = { min: 0, max: count }
                    , string = ''
                    , prefix = ''
                    , suffix = "\r\n";
                if (format == 'html') {
                    prefix = '<p>';
                    suffix = '</p>';
                }
                while (bounds.min < bounds.max) {
                    switch (units.toLowerCase()) {
                        case 'words':
                            string = string + ' ' + randomWord(words);
                            break;
                        case 'sentences':
                            string = string + '. ' + randomSentence(words, sentenceLowerBound, sentenceUpperBound);
                            break;
                        case 'paragraphs':
                            string = string + prefix + randomParagraph(words, paragraphLowerBound, paragraphUpperBound, sentenceLowerBound, sentenceUpperBound) + suffix;
                            break;
                    }
                    bounds.min = bounds.min + 1;
                }
                if (string.length) {
                    var pos = 0;
                    if (string.indexOf('. ') == 0) {
                        pos = 2;
                    } else if (string.indexOf('.') == 0 || string.indexOf(' ') == 0) {
                        pos = 1;
                    }
                    string = string.slice(pos);
                    if (units == 'sentences') {
                        string = string + '.';
                    }
                }
                return string;
            }

            function simplePluralize(string) {
                if (string.indexOf('s', string.length - 1) === -1) {
                    return string + 's';
                }
                return string;
            }

            var dictonary = [
                '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'
            ];

            return {
                create: generator,
                seed: seed,
                randomInteger: randomInteger
            };
        });
} (angular));