92 lines
2.6 KiB
JavaScript
92 lines
2.6 KiB
JavaScript
import Component from '@ember/component';
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import { inject as service } from '@ember/service';
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import { get, set } from '@ember/object';
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const replace = function(
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obj,
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prop,
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value,
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destroy = (prev = null, value) => (typeof prev === 'function' ? prev() : null)
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) {
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const prev = obj[prop];
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if (prev !== value) {
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destroy(prev, value);
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}
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return set(obj, prop, value);
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};
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export default Component.extend({
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tagName: '',
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dom: service('dom'),
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logger: service('logger'),
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data: service('data-source/service'),
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closeOnDestroy: true,
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onerror: function(e) {
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this.logger.execute(e.error);
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},
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init: function() {
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this._super(...arguments);
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this._listeners = this.dom.listeners();
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},
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willDestroyElement: function() {
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if (this.closeOnDestroy) {
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this.actions.close.apply(this, []);
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}
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this._listeners.remove();
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this._super(...arguments);
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},
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didReceiveAttrs: function() {
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this._super(...arguments);
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// only close and reopen if the uri changes
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// otherwise this will fire whenever the proxies data changes
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if (get(this, 'src.configuration.uri') !== get(this, 'source.configuration.uri')) {
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this.actions.open.apply(this, []);
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}
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},
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actions: {
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open: function() {
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replace(this, 'source', this.data.open(this.src, this), (prev, source) => {
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// Makes sure any previous source (if different) is ALWAYS closed
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if (typeof prev !== 'undefined') {
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this.data.close(prev, this);
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}
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});
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replace(this, 'proxy', this.src, (prev, proxy) => {
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// Makes sure any previous proxy (if different) is ALWAYS closed
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if (typeof prev !== 'undefined') {
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prev.destroy();
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}
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});
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const error = err => {
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try {
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const error = get(err, 'error.errors.firstObject');
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if (get(error || {}, 'status') !== '429') {
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this.onerror(err);
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}
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this.logger.execute(err);
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} catch (err) {
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this.logger.execute(err);
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}
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};
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// set up the listeners (which auto cleanup on component destruction)
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// we only need errors here as this only uses proxies which
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// automatically update their data
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const remove = this._listeners.add(this.source, {
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error: e => {
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error(e);
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},
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});
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replace(this, '_remove', remove);
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},
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close: function() {
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if (typeof this.source !== 'undefined') {
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this.data.close(this.source, this);
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replace(this, '_remove', undefined);
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set(this, 'source', undefined);
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}
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if (typeof this.proxy !== 'undefined') {
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this.proxy.destroy();
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}
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},
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},
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});
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