forked from denoland/deno
-
Notifications
You must be signed in to change notification settings - Fork 0
/
colors.ts
40 lines (31 loc) · 875 Bytes
/
colors.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
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
// TODO(kitsonk) Replace with `deno_std/colors/mod.ts` when we can load modules
// which end in `.ts`.
import { noColor } from "./os";
interface Code {
open: string;
close: string;
regexp: RegExp;
}
let enabled = !noColor;
function code(open: number, close: number): Code {
return {
open: `\x1b[${open}m`,
close: `\x1b[${close}m`,
regexp: new RegExp(`\\x1b\\[${close}m`, "g")
};
}
function run(str: string, code: Code): string {
return enabled
? `${code.open}${str.replace(code.regexp, code.open)}${code.close}`
: str;
}
export function bold(str: string): string {
return run(str, code(1, 22));
}
export function yellow(str: string): string {
return run(str, code(33, 39));
}
export function cyan(str: string): string {
return run(str, code(36, 39));
}