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    underscore.array.builders.js underscore.array.selectors.js underscore.function.arity.js underscore.function.combinators.js underscore.function.iterators.js underscore.function.predicates.js underscore.object.builders.js underscore.object.selectors.js underscore.util.existential.js underscore.util.strings.js underscore.util.trampolines.js
  • underscore.util.existential.js

  • ¶

    Underscore-contrib (underscore.util.existential.js 0.0.1) (c) 2013 Michael Fogus, DocumentCloud and Investigative Reporters & Editors Underscore-contrib may be freely distributed under the MIT license.

    (function(root) {
  • ¶

    Baseline setup

  • ¶

    Establish the root object, window in the browser, or global on the server.

      var _ = root._ || require('underscore');
  • ¶

    Helpers

  • ¶

    Mixing in the truthiness

      _.mixin({
        exists: function(x) { return x != null; },
        truthy: function(x) { return (x !== false) && _.exists(x); },
        falsey: function(x) { return !_.truthy(x); },
        not:    function(b) { return !b; }
      });
    
    })(this);