1f588a2a6e
Re-implements the in-memory search index sans Angular Co-authored-by: Andrew Henry <akhenry@gmail.com> Co-authored-by: John Hill <john.c.hill@nasa.gov> Co-authored-by: John Hill <jchill2.spam@gmail.com>
91 lines
3.2 KiB
JavaScript
91 lines
3.2 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2021, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/**
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* Module defining InMemorySearchWorker. Created by deeptailor on 10/03/2019.
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*/
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(function () {
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// An object composed of domain object IDs and models
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// {id: domainObject's ID, name: domainObject's name}
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const indexedItems = {};
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self.onconnect = function (e) {
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const port = e.ports[0];
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port.onmessage = function (event) {
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if (event.data.request === 'index') {
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indexItem(event.data.keyString, event.data.model);
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} else if (event.data.request === 'search') {
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port.postMessage(search(event.data));
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}
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};
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port.start();
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};
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self.onerror = function (error) {
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//do nothing
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console.error('Error on feed', error);
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};
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function indexItem(keyString, model) {
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indexedItems[keyString] = {
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type: model.type,
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name: model.name,
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keyString
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};
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}
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/**
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* Gets search results from the indexedItems based on provided search
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* input. Returns matching results from indexedItems
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*
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* @param data An object which contains:
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* * input: The original string which we are searching with
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* * maxResults: The maximum number of search results desired
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* * queryId: an id identifying this query, will be returned.
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*/
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function search(data) {
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// This results dictionary will have domain object ID keys which
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// point to the value the domain object's score.
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let results;
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const input = data.input.trim().toLowerCase();
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const message = {
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request: 'search',
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results: {},
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total: 0,
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queryId: data.queryId
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};
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results = Object.values(indexedItems).filter((indexedItem) => {
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return indexedItem.name.toLowerCase().includes(input);
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});
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message.total = results.length;
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message.results = results
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.slice(0, data.maxResults);
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return message;
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}
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}());
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