element-web/src/autocomplete/CommandProvider.js
David Baker b267798010 Kill FuzzyMatcher
This has been commented out for ages. Just remove it and make things
use QueryMatcher directly rather than looking like they do fuzzy matching
but not.
2018-10-10 19:18:06 +01:00

84 lines
3.1 KiB
JavaScript

/*
Copyright 2016 Aviral Dasgupta
Copyright 2017 Vector Creations Ltd
Copyright 2017 New Vector Ltd
Copyright 2018 Michael Telatynski <7t3chguy@gmail.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from 'react';
import {_t} from '../languageHandler';
import AutocompleteProvider from './AutocompleteProvider';
import QueryMatcher from './QueryMatcher';
import {TextualCompletion} from './Components';
import type {Completion, SelectionRange} from "./Autocompleter";
import {CommandMap} from '../SlashCommands';
const COMMANDS = Object.values(CommandMap);
const COMMAND_RE = /(^\/\w*)(?: .*)?/g;
export default class CommandProvider extends AutocompleteProvider {
constructor() {
super(COMMAND_RE);
this.matcher = new QueryMatcher(COMMANDS, {
keys: ['command', 'args', 'description'],
});
}
async getCompletions(query: string, selection: SelectionRange, force?: boolean): Array<Completion> {
const {command, range} = this.getCurrentCommand(query, selection);
if (!command) return [];
let matches = [];
// check if the full match differs from the first word (i.e. returns false if the command has args)
if (command[0] !== command[1]) {
// The input looks like a command with arguments, perform exact match
const name = command[1].substr(1); // strip leading `/`
if (CommandMap[name]) {
// some commands, namely `me` and `ddg` don't suit having the usage shown whilst typing their arguments
if (CommandMap[name].hideCompletionAfterSpace) return [];
matches = [CommandMap[name]];
}
} else {
if (query === '/') {
// If they have just entered `/` show everything
matches = COMMANDS;
} else {
// otherwise fuzzy match against all of the fields
matches = this.matcher.match(command[1]);
}
}
return matches.map((result) => ({
// If the command is the same as the one they entered, we don't want to discard their arguments
completion: result.command === command[1] ? command[0] : (result.command + ' '),
component: <TextualCompletion
title={result.command}
subtitle={result.args}
description={_t(result.description)} />,
range,
}));
}
getName() {
return '*️⃣ ' + _t('Commands');
}
renderCompletions(completions: [React.Component]): ?React.Component {
return <div className="mx_Autocomplete_Completion_container_block">
{ completions }
</div>;
}
}