element-web/src/autocomplete/RoomProvider.js

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JavaScript
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import React from 'react';
import _t from 'counterpart-riot';
import AutocompleteProvider from './AutocompleteProvider';
import MatrixClientPeg from '../MatrixClientPeg';
import Fuse from 'fuse.js';
import {PillCompletion} from './Components';
import {getDisplayAliasForRoom} from '../Rooms';
import sdk from '../index';
const ROOM_REGEX = /(?=#)(\S*)/g;
let instance = null;
export default class RoomProvider extends AutocompleteProvider {
constructor() {
super(ROOM_REGEX, {
keys: ['displayName', 'userId'],
});
this.fuse = new Fuse([], {
keys: ['name', 'roomId', 'aliases'],
});
}
async getCompletions(query: string, selection: {start: number, end: number}, force = false) {
const RoomAvatar = sdk.getComponent('views.avatars.RoomAvatar');
let client = MatrixClientPeg.get();
let completions = [];
const {command, range} = this.getCurrentCommand(query, selection, force);
if (command) {
// the only reason we need to do this is because Fuse only matches on properties
this.fuse.set(client.getRooms().filter(room => !!room).map(room => {
return {
room: room,
name: room.name,
aliases: room.getAliases(),
};
}));
completions = this.fuse.search(command[0]).map(room => {
let displayAlias = getDisplayAliasForRoom(room.room) || room.roomId;
return {
completion: displayAlias,
component: (
<PillCompletion initialComponent={<RoomAvatar width={24} height={24} room={room.room} />} title={room.name} description={displayAlias} />
),
range,
};
}).filter(completion => !!completion.completion && completion.completion.length > 0).slice(0, 4);
}
return completions;
}
getName() {
return '💬 ' + _t('Rooms');
}
static getInstance() {
if (instance == null) {
instance = new RoomProvider();
}
return instance;
}
renderCompletions(completions: [React.Component]): ?React.Component {
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return <div className="mx_Autocomplete_Completion_container_pill">
{completions}
</div>;
}
shouldForceComplete(): boolean {
return true;
}
}