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fe4778b28b
& remove them from the ignored list
107 lines
3.7 KiB
JavaScript
107 lines
3.7 KiB
JavaScript
/*
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Copyright 2016 Aviral Dasgupta
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Copyright 2017, 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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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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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// @flow
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import type {Component} from 'react';
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import {Room} from 'matrix-js-sdk';
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import CommandProvider from './CommandProvider';
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import CommunityProvider from './CommunityProvider';
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import DuckDuckGoProvider from './DuckDuckGoProvider';
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import RoomProvider from './RoomProvider';
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import UserProvider from './UserProvider';
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import EmojiProvider from './EmojiProvider';
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import NotifProvider from './NotifProvider';
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import Promise from 'bluebird';
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export type SelectionRange = {
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beginning: boolean, // whether the selection is in the first block of the editor or not
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start: number, // byte offset relative to the start anchor of the current editor selection.
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end: number, // byte offset relative to the end anchor of the current editor selection.
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};
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export type Completion = {
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completion: string,
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component: ?Component,
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range: SelectionRange,
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command: ?string,
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// If provided, apply a LINK entity to the completion with the
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// data = { url: href }.
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href: ?string,
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};
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const PROVIDERS = [
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UserProvider,
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RoomProvider,
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EmojiProvider,
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NotifProvider,
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CommandProvider,
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CommunityProvider,
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DuckDuckGoProvider,
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];
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// Providers will get rejected if they take longer than this.
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const PROVIDER_COMPLETION_TIMEOUT = 3000;
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export default class Autocompleter {
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constructor(room: Room) {
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this.room = room;
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this.providers = PROVIDERS.map((Prov) => {
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return new Prov(room);
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});
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}
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destroy() {
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this.providers.forEach((p) => {
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p.destroy();
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});
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}
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async getCompletions(query: string, selection: SelectionRange, force: boolean = false): Array<Completion> {
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/* Note: This intentionally waits for all providers to return,
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otherwise, we run into a condition where new completions are displayed
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while the user is interacting with the list, which makes it difficult
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to predict whether an action will actually do what is intended
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*/
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const completionsList = await Promise.all(
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// Array of inspections of promises that might timeout. Instead of allowing a
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// single timeout to reject the Promise.all, reflect each one and once they've all
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// settled, filter for the fulfilled ones
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this.providers.map(provider =>
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provider
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.getCompletions(query, selection, force)
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.timeout(PROVIDER_COMPLETION_TIMEOUT)
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.reflect(),
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),
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);
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return completionsList.filter(
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(inspection) => inspection.isFulfilled(),
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).map((completionsState, i) => {
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return {
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completions: completionsState.value(),
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provider: this.providers[i],
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/* the currently matched "command" the completer tried to complete
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* we pass this through so that Autocomplete can figure out when to
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* re-show itself once hidden.
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*/
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command: this.providers[i].getCurrentCommand(query, selection, force),
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};
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});
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}
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}
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