underscore.hasInside

Check if an object or it's descendants fullfill a predicate

Installation

npm install underscore.has-inside

Usage

setup

        _.mixin(require('underscore.has-inside'));

findInside

Checks a predicate for an object and its descendant

        var obj = {
            foo: 'bar',
            moo: {
                boo: 'poo'
            },
            arrrr: [1,2,3,4]
        };
        _.findInside(obj, function(item) {
            return item.boo && item.boo === 'poo';
        });  // -> true

hasInside

Check if an object or it's descendants have a property

        var obj = {
            foo: 'bar',
            moo: {
                boo: 'poo'
            },
            arrrr: [1,2,3,4]
        };
        _.hasInside(obj, 'boo');  // -> true
 
        _.hasInside(obj, 'bar');  // -> false