angular2
Version:
Angular 2 - a web framework for modern web apps
74 lines (73 loc) • 2.29 kB
JavaScript
import { Set } from 'angular2/src/facade/collection';
import { isPresent } from 'angular2/src/facade/lang';
const MOUSE_EVENT_PROPERTIES = [
"altKey",
"button",
"clientX",
"clientY",
"metaKey",
"movementX",
"movementY",
"offsetX",
"offsetY",
"region",
"screenX",
"screenY",
"shiftKey"
];
const KEYBOARD_EVENT_PROPERTIES = [
'altkey',
'charCode',
'code',
'ctrlKey',
'isComposing',
'key',
'keyCode',
'location',
'metaKey',
'repeat',
'shiftKey',
'which'
];
const TRANSITION_EVENT_PROPERTIES = ['propertyName', 'elapsedTime', 'pseudoElement'];
const EVENT_PROPERTIES = ['type', 'bubbles', 'cancelable'];
const NODES_WITH_VALUE = new Set(["input", "select", "option", "button", "li", "meter", "progress", "param", "textarea"]);
export function serializeGenericEvent(e) {
return serializeEvent(e, EVENT_PROPERTIES);
}
// TODO(jteplitz602): Allow users to specify the properties they need rather than always
// adding value and files #3374
export function serializeEventWithTarget(e) {
var serializedEvent = serializeEvent(e, EVENT_PROPERTIES);
return addTarget(e, serializedEvent);
}
export function serializeMouseEvent(e) {
return serializeEvent(e, MOUSE_EVENT_PROPERTIES);
}
export function serializeKeyboardEvent(e) {
var serializedEvent = serializeEvent(e, KEYBOARD_EVENT_PROPERTIES);
return addTarget(e, serializedEvent);
}
export function serializeTransitionEvent(e) {
var serializedEvent = serializeEvent(e, TRANSITION_EVENT_PROPERTIES);
return addTarget(e, serializedEvent);
}
// TODO(jteplitz602): #3374. See above.
function addTarget(e, serializedEvent) {
if (NODES_WITH_VALUE.has(e.target.tagName.toLowerCase())) {
var target = e.target;
serializedEvent['target'] = { 'value': target.value };
if (isPresent(target.files)) {
serializedEvent['target']['files'] = target.files;
}
}
return serializedEvent;
}
function serializeEvent(e, properties) {
var serialized = {};
for (var i = 0; i < properties.length; i++) {
var prop = properties[i];
serialized[prop] = e[prop];
}
return serialized;
}