2017-06-23 17:03:32 +00:00
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//import Levenshtein from 'liblevenshtein';
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//import _at from 'lodash/at';
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//import _flatMap from 'lodash/flatMap';
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//import _sortBy from 'lodash/sortBy';
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//import _sortedUniq from 'lodash/sortedUniq';
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//import _keys from 'lodash/keys';
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//
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//class KeyMap {
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// keys: Array<String>;
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// objectMap: {[String]: Array<Object>};
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// priorityMap: {[String]: number}
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//}
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//
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//const DEFAULT_RESULT_COUNT = 10;
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//const DEFAULT_DISTANCE = 5;
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2016-12-01 06:36:57 +00:00
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2017-02-10 17:04:52 +00:00
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// FIXME Until Fuzzy matching works better, we use prefix matching.
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import PrefixMatcher from './QueryMatcher';
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export default PrefixMatcher;
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2017-06-23 17:03:32 +00:00
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//class FuzzyMatcher { // eslint-disable-line no-unused-vars
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// /**
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// * @param {object[]} objects the objects to perform a match on
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// * @param {string[]} keys an array of keys within each object to match on
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// * Keys can refer to object properties by name and as in JavaScript (for nested properties)
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// *
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// * To use, simply presort objects by required criteria, run through this function and create a FuzzyMatcher with the
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// * resulting KeyMap.
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// *
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// * TODO: Handle arrays and objects (Fuse did this, RoomProvider uses it)
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// * @return {KeyMap}
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// */
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// static valuesToKeyMap(objects: Array<Object>, keys: Array<String>): KeyMap {
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// const keyMap = new KeyMap();
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// const map = {};
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// const priorities = {};
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//
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// objects.forEach((object, i) => {
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// const keyValues = _at(object, keys);
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// console.log(object, keyValues, keys);
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// for (const keyValue of keyValues) {
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// if (!map.hasOwnProperty(keyValue)) {
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// map[keyValue] = [];
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// }
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// map[keyValue].push(object);
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// }
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// priorities[object] = i;
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// });
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//
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// keyMap.objectMap = map;
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// keyMap.priorityMap = priorities;
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// keyMap.keys = _sortBy(_keys(map), [(value) => priorities[value]]);
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// return keyMap;
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// }
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//
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// constructor(objects: Array<Object>, options: {[Object]: Object} = {}) {
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// this.options = options;
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// this.keys = options.keys;
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// this.setObjects(objects);
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// }
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//
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// setObjects(objects: Array<Object>) {
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// this.keyMap = FuzzyMatcher.valuesToKeyMap(objects, this.keys);
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// console.log(this.keyMap.keys);
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// this.matcher = new Levenshtein.Builder()
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// .dictionary(this.keyMap.keys, true)
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// .algorithm('transposition')
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// .sort_candidates(false)
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// .case_insensitive_sort(true)
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// .include_distance(true)
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// .maximum_candidates(this.options.resultCount || DEFAULT_RESULT_COUNT) // result count 0 doesn't make much sense
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// .build();
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// }
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//
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// match(query: String): Array<Object> {
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// const candidates = this.matcher.transduce(query, this.options.distance || DEFAULT_DISTANCE);
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// // TODO FIXME This is hideous. Clean up when possible.
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// const val = _sortedUniq(_sortBy(_flatMap(candidates, (candidate) => {
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// return this.keyMap.objectMap[candidate[0]].map((value) => {
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// return {
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// distance: candidate[1],
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// ...value,
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// };
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// });
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// }),
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// [(candidate) => candidate.distance, (candidate) => this.keyMap.priorityMap[candidate]]));
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// console.log(val);
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// return val;
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// }
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//}
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