Filters are functions which transform the data into a user readable format. They are important because they remove the formatting responsibility from the application logic, further simplifying the application logic.<\/p>\n
myModule.filter(‘length’, function() {<\/p>\n
return function(text) {<\/p>\n
return (” + (text || ”)).length;<\/p>\n
}<\/p>\n
});<\/p>\n
describe(‘length filter’, function() {<\/p>\n
var $filter;<\/p>\n
beforeEach(inject(function(_$filter_){<\/p>\n
$filter = _$filter_;<\/p>\n
}));<\/p>\n
it(‘returns 0 when given null’, function() {<\/p>\n
var length = $filter(‘length’);<\/p>\n
expect(length(null)).toEqual(0);<\/p>\n
});<\/p>\n
it(‘returns the correct value when given a string of chars’, function() {<\/p>\n
var length = $filter(‘length’);<\/p>\n
expect(length(‘abc’)).toEqual(3);<\/p>\n
});<\/p>\n
});<\/p>\n","protected":false},"excerpt":{"rendered":"
Filters are functions which transform the data into a user readable format. They are important because they remove the formatting responsibility from the application logic, further simplifying the application logic. myModule.filter(‘length’, function() { return function(text) { return (” + (text || ”)).length; } }); describe(‘length filter’, function() { var $filter; beforeEach(inject(function(_$filter_){ $filter = _$filter_; }));…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8417],"tags":[8449],"class_list":["post-72389","page","type-page","status-publish","hentry","category-angular-js-web-development","tag-testing-filters"],"acf":[],"yoast_head":"\n