38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
import Ember from 'ember';
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import { range } from 'ember-composable-helpers/helpers/range';
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const { computed } = Ember;
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export default Ember.Component.extend({
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classNames: ['box', 'is-shadowless', 'list-pagination'],
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page: null,
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lastPage: null,
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link: null,
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model: null,
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// number of links to show on each side of page
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spread: 2,
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hasNext: computed('page', 'lastPage', function() {
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return this.get('page') < this.get('lastPage');
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}),
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hasPrevious: computed('page', 'lastPage', function() {
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return this.get('page') > 1;
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}),
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segmentLinks: computed.gt('lastPage', 10),
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pageRange: computed('page', 'lastPage', function() {
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const { spread, page, lastPage } = this.getProperties('spread', 'page', 'lastPage');
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let lower = Math.max(2, page - spread);
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let upper = Math.min(lastPage - 1, lower + spread * 2);
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// we're closer to lastPage than the spread
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if (upper - lower < 5) {
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lower = upper - 4;
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}
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if (lastPage <= 10) {
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return range([1, lastPage, true]);
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}
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return range([lower, upper, true]);
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}),
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});
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