/
command-handlers.ts
69 lines (51 loc) · 2.04 KB
/
command-handlers.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
This file is part of uvcc -- USB Video Class (UVC) device configurator.
Copyright (C) 2018, 2019, 2020, 2021 Joel Purra <https://joelpurra.com/>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import assert from "node:assert";
import {
ReadonlyDeep,
} from "type-fest";
import Output from "./output.js";
import {
CommandHandlerArgumentNames,
CommandName, Commands,
} from "./types/command.js";
export default class CommandHandlers {
constructor(private readonly output: Output, private readonly commands: ReadonlyDeep<Commands>) {
assert.strictEqual(arguments.length, 2);
assert(typeof this.output === "object");
assert(typeof this.commands === "object");
}
async has(commandName: CommandName): Promise<boolean> {
assert.strictEqual(arguments.length, 1);
assert(typeof commandName === "string");
const command = this.commands[commandName];
return Boolean(command);
}
async execute(commandName: CommandName, ...args: readonly unknown[]): Promise<unknown> {
assert(typeof commandName === "string");
assert(Array.isArray(args));
const command = this.commands[commandName];
assert(typeof command === "object");
const output = await command.execute(...args);
return output;
}
async getArguments(commandName: CommandName): Promise<CommandHandlerArgumentNames[]> {
assert.strictEqual(arguments.length, 1);
assert(typeof commandName === "string");
const command = this.commands[commandName];
assert(typeof command === "object");
return command.getArguments();
}
}