44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
import Ember from 'ember';
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const { Mixin, computed, get } = Ember;
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/**
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Searchable mixin
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Simple search filtering behavior for a list of objects.
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Properties to override:
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- searchTerm: the string to use as a query
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- searchProps: the props on each object to search
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- listToSearch: the list of objects to search
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Properties provided:
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- listSearched: a subset of listToSearch of items that meet the search criteria
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*/
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export default Mixin.create({
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searchTerm: '',
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listToSearch: computed(() => []),
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searchProps: null,
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listSearched: computed('searchTerm', 'listToSearch.[]', 'searchProps.[]', function() {
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const searchTerm = this.get('searchTerm');
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if (searchTerm && searchTerm.length) {
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return regexSearch(searchTerm, this.get('listToSearch'), this.get('searchProps'));
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}
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return this.get('listToSearch');
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}),
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});
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function regexSearch(term, list, keys) {
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if (term.length) {
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try {
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const regex = new RegExp(term, 'i');
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// Test the value of each key for each object against the regex
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// All that match are returned.
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return list.filter(item => keys.some(key => regex.test(get(item, key))));
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} catch (e) {
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// Swallow the error; most likely due to an eager search of an incomplete regex
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}
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}
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}
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