oomph/lib/publicModules/utilities.js

Object Oriented javascript models for the client and the server

// Generated by CoffeeScript 1.9.3
(function() {
  var Promise, _, pluralize, utilities;

  _ = require('lodash');

  pluralize = require('pluralize');

  Promise = require('promise');

  utilities = {
    randomString: function(length) {
      var max, min;
      max = parseInt(new Array(length + 1).join('z'), 36);
      min = parseInt((Math.pow(10, length - 1)).toString(), 36);
      return Math.floor(Math.random() * (max - min) + min).toString(36);
    },
    currency: function(symbol, number) {
      return symbol + parseFloat(Math.round(number * 100) / 100).toFixed(2);
    },
    isBlank: function(string) {
      return string === "" || string === void 0 || string === null;
    },
    isPresent: function(string) {
      return !isBlank(string);
    },
    promiseWhile: function(conditionFn, fn) {
      return new Promise(function(resolve, reject) {
        var promiseLoop;
        promiseLoop = function(output) {
          if (!conditionFn()) {
            return resolve(output);
          }
          return fn().then(promiseLoop);
        };
        return process.nextTick(promiseLoop);
      });
    },
    promiseEachFn: function(promiseFnArray) {
      var firstPromiseFn, promise, promiseReturnArray;
      promiseReturnArray = [];
      if (promiseFnArray.length > 0) {
        firstPromiseFn = promiseFnArray.shift();
        promise = firstPromiseFn();
        promiseReturnArray.push(promise);
      } else {
        promise = new Promise(function(resolve) {
          return resolve();
        });
      }
      _.each(promiseFnArray, (function(_this) {
        return function(fn) {
          promise = promise.then(fn);
          return promiseReturnArray.push(promise);
        };
      })(this));
      return Promise.all(promiseReturnArray);
    },
    promiseEach: function(promiseArray) {
      var promise, promiseReturnArray;
      promiseReturnArray = [];
      if (promiseArray.length > 0) {
        promise = promiseArray.shift();
        promiseReturnArray.push(promise);
      } else {
        promise = new Promise(function(resolve) {
          return resolve();
        });
      }
      _.each(promiseArray, (function(_this) {
        return function(p) {
          promise = promise.then(function() {
            return p;
          });
          return promiseReturnArray.push(promise);
        };
      })(this));
      return Promise.all(promiseReturnArray);
    },
    queryStringToObject: function(querystring) {
      var pairs, result;
      pairs = querystring.replace('?', '').split('&');
      result = {};
      pairs.forEach(function(pair) {
        pair = pair.split('=');
        return result[pair[0]] = decodeURIComponent(pair[1] || '');
      });
      return result;
    },
    objectToQueryString: function(obj, prefix) {
      var k, p, str, v;
      str = [];
      for (p in obj) {
        if (obj.hasOwnProperty(p)) {
          k = prefix ? prefix + '[' + p + ']' : p;
          v = obj[p];
          str.push(typeof v === 'object' ? this.objectToQueryString(v, k) : encodeURIComponent(k) + '=' + encodeURIComponent(v));
        }
      }
      return str.join('&');
    },
    camelCase: function(str) {
      return str.replace(/(?:^\w|[A-Z]|\b\w|_\w)/g, function(letter, index) {
        if (index === 0) {
          return letter.toLowerCase();
        } else {
          return letter.toUpperCase();
        }
      }).replace(/\s+|_/g, '');
    },
    plural: function(str) {
      return pluralize(str);
    },
    pluralKebabCase: function(str) {
      var kebabCaseStr, lastWord, match;
      kebabCaseStr = _.kebabCase(str);
      match = kebabCaseStr.match(/-(\w+)$/);
      if (match) {
        lastWord = match[1];
      } else {
        lastWord = kebabCaseStr;
      }
      return kebabCaseStr.replace(new RegExp(lastWord + '$'), pluralize(lastWord));
    }
  };

  module.exports = utilities;

}).call(this);