85 lines
3.1 KiB
JavaScript
85 lines
3.1 KiB
JavaScript
/*
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Copyright 2016 Aviral Dasgupta
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Copyright 2017 Vector Creations Ltd
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Copyright 2017 New Vector Ltd
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Copyright 2018 Michael Telatynski <7t3chguy@gmail.com>
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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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import React from 'react';
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import {_t} from '../languageHandler';
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import AutocompleteProvider from './AutocompleteProvider';
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import FuzzyMatcher from './FuzzyMatcher';
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import {TextualCompletion} from './Components';
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import type {Completion, SelectionRange} from "./Autocompleter";
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import {CommandMap} from '../SlashCommands';
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const COMMANDS = Object.values(CommandMap);
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const COMMAND_RE = /(^\/\w*)(?: .*)?/g;
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export default class CommandProvider extends AutocompleteProvider {
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constructor() {
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super(COMMAND_RE);
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this.matcher = new FuzzyMatcher(COMMANDS, {
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keys: ['command', 'args', 'description'],
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});
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}
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async getCompletions(query: string, selection: SelectionRange, force?: boolean): Array<Completion> {
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const {command, range} = this.getCurrentCommand(query, selection);
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if (!command) return [];
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let matches = [];
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// check if the full match differs from the first word (i.e. returns false if the command has args)
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if (command[0] !== command[1]) {
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// The input looks like a command with arguments, perform exact match
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const name = command[1].substr(1); // strip leading `/`
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if (CommandMap[name]) {
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// some commands, namely `me` and `ddg` don't suit having the usage shown whilst typing their arguments
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if (CommandMap[name].hideCompletionAfterSpace) return [];
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matches = [CommandMap[name]];
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}
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} else {
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if (query === '/') {
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// If they have just entered `/` show everything
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matches = COMMANDS;
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} else {
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// otherwise fuzzy match against all of the fields
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matches = this.matcher.match(command[1]);
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}
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}
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return matches.map((result) => ({
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// If the command is the same as the one they entered, we don't want to discard their arguments
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completion: result.command === command[1] ? command[0] : (result.command + ' '),
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component: <TextualCompletion
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title={result.command}
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subtitle={result.args}
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description={_t(result.description)} />,
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range,
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}));
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}
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getName() {
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return '*️⃣ ' + _t('Commands');
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}
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renderCompletions(completions: [React.Component]): ?React.Component {
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return <div className="mx_Autocomplete_Completion_container_block">
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{ completions }
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</div>;
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}
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}
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