84 lines
1.9 KiB
TypeScript
84 lines
1.9 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import Fuse, { FuseOptions } from 'fuse.js';
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import { ConversationType } from '../state/ducks/conversations';
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const FUSE_OPTIONS: FuseOptions<ConversationType> = {
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// A small-but-nonzero threshold lets us match parts of E164s better, and makes the
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// search a little more forgiving.
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threshold: 0.05,
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tokenize: true,
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keys: [
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{
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name: 'searchableTitle',
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weight: 1,
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},
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{
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name: 'title',
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weight: 1,
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},
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{
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name: 'name',
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weight: 1,
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},
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{
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name: 'e164',
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weight: 0.5,
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},
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],
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};
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const collator = new Intl.Collator();
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function searchConversations(
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conversations: ReadonlyArray<ConversationType>,
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searchTerm: string
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): Array<ConversationType> {
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return new Fuse<ConversationType>(conversations, FUSE_OPTIONS).search(
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searchTerm
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);
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}
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export function filterAndSortConversationsByRecent(
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conversations: ReadonlyArray<ConversationType>,
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searchTerm: string
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): Array<ConversationType> {
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if (searchTerm.length) {
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return searchConversations(conversations, searchTerm);
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}
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return conversations.concat().sort((a, b) => {
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if (a.activeAt && b.activeAt) {
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return a.activeAt > b.activeAt ? -1 : 1;
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}
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return a.activeAt && !b.activeAt ? -1 : 1;
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});
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}
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export function filterAndSortConversationsByTitle(
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conversations: ReadonlyArray<ConversationType>,
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searchTerm: string
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): Array<ConversationType> {
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if (searchTerm.length) {
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return searchConversations(conversations, searchTerm);
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}
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return conversations.concat().sort((a, b) => {
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const aHasName = hasName(a);
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const bHasName = hasName(b);
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if (aHasName === bHasName) {
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return collator.compare(a.title, b.title);
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}
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return aHasName && !bHasName ? -1 : 1;
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});
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}
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function hasName(contact: Readonly<ConversationType>): boolean {
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return Boolean(contact.name || contact.profileName);
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}
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