Part of Web APIs for Angular

A set of common utils for consuming Web APIs with Angular

• WINDOW — provides access to global window object
• NAVIGATOR — provides access to window.navigator object
• USER_AGENT — provides access to window.navigator.userAgent string
• PERFORMANCE — provides access to window.performance object
• ANIMATION_FRAME — shared Observable based on window.requestAnimationFrame
• CSS — provides access to window.CSS object or mock object if it's not available (i.e. in IE)
• LOCATION — provides access to window.location object
• LOCAL_STORAGE — provides access to window.localStorage object
• PAGE_VISIBILITY — wrapper for document.addEventListener('visibilityChange') api