consul/ui-v2/app/services/dom.js

55 lines
1.9 KiB
JavaScript

import Service from '@ember/service';
import { getOwner } from '@ember/application';
import { get } from '@ember/object';
import qsaFactory from 'consul-ui/utils/dom/qsa-factory';
// TODO: Move to utils/dom
import getComponentFactory from 'consul-ui/utils/get-component-factory';
import normalizeEvent from 'consul-ui/utils/dom/normalize-event';
// ember-eslint doesn't like you using a single $ so use double
// use $_ for components
const $$ = qsaFactory();
let $_;
export default Service.extend({
doc: document,
init: function() {
this._super(...arguments);
$_ = getComponentFactory(getOwner(this));
},
normalizeEvent: function() {
return normalizeEvent(...arguments);
},
root: function() {
return get(this, 'doc').documentElement;
},
// TODO: Should I change these to use the standard names
// even though they don't have a standard signature (querySelector*)
elementById: function(id) {
return get(this, 'doc').getElementById(id);
},
elementsByTagName: function(name, context) {
context = typeof context === 'undefined' ? get(this, 'doc') : context;
return context.getElementByTagName(name);
},
elements: function(selector, context) {
return $$(selector, context);
},
element: function(selector, context) {
if (selector.substr(0, 1) === '#') {
return this.elementById(selector.substr(1));
}
// TODO: This can just use querySelector
return [...$$(selector, context)][0];
},
// ember components aren't strictly 'dom-like'
// but if you think of them as a web component 'shim'
// then it makes more sense to think of them as part of the dom
// with traditional/standard web components you wouldn't actually need this
// method as you could just get to their methods from the dom element
component: function(selector, context) {
// TODO: support passing a dom element, when we need to do that
return $_(this.element(selector, context));
},
});