9b2fb14e51
This is mostly deprecation fixes and blueprint changes. There are some dependency updates too; the changes to Ember Basic Dropdown necessitated changing it to angle bracket component invocation. The conversion of the rest of the templates will happen separately.
36 lines
980 B
JavaScript
36 lines
980 B
JavaScript
import Component from '@ember/component';
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import { computed, get } from '@ember/object';
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import { computed as overridable } from 'ember-overridable-computed';
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export default Component.extend({
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classNames: ['accordion'],
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key: 'id',
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source: overridable(() => []),
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onToggle(/* item, isOpen */) {},
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startExpanded: false,
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decoratedSource: computed('source.[]', function() {
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const stateCache = this.stateCache;
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const key = this.key;
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const deepKey = `item.${key}`;
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const startExpanded = this.startExpanded;
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const decoratedSource = this.source.map(item => {
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const cacheItem = stateCache.findBy(deepKey, get(item, key));
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return {
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item,
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isOpen: cacheItem ? !!cacheItem.isOpen : startExpanded,
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};
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});
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this.set('stateCache', decoratedSource);
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return decoratedSource;
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}),
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// When source updates come in, the state cache is used to preserve
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// open/close state.
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stateCache: overridable(() => []),
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});
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