mirror of
https://github.com/swc-project/swc.git
synced 2024-12-28 08:04:43 +03:00
211 lines
4.5 KiB
TypeScript
211 lines
4.5 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/deps/colors/colors.ts
|
|
|
|
|
|
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
/**
|
|
* A module to print ANSI terminal colors. Inspired by chalk, kleur, and colors
|
|
* on npm.
|
|
*
|
|
* ```
|
|
* import { bgBlue, red, bold } from "https://deno.land/std/fmt/colors.ts";
|
|
* console.log(bgBlue(red(bold("Hello world!"))));
|
|
* ```
|
|
*
|
|
* This module supports `NO_COLOR` environmental variable disabling any coloring
|
|
* if `NO_COLOR` is set.
|
|
*/
|
|
const { noColor } = Deno;
|
|
|
|
interface Code {
|
|
open: string;
|
|
close: string;
|
|
regexp: RegExp;
|
|
}
|
|
|
|
/** RGB 8-bits per channel. Each in range `0->255` or `0x00->0xff` */
|
|
interface Rgb {
|
|
r: number;
|
|
g: number;
|
|
b: number;
|
|
}
|
|
|
|
let enabled = !noColor;
|
|
|
|
export function setColorEnabled(value: boolean): void {
|
|
if (noColor) {
|
|
return;
|
|
}
|
|
|
|
enabled = value;
|
|
}
|
|
|
|
export function getColorEnabled(): boolean {
|
|
return enabled;
|
|
}
|
|
|
|
function code(open: number[], close: number): Code {
|
|
return {
|
|
open: `\x1b[${open.join(";")}m`,
|
|
close: `\x1b[${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 reset(str: string): string {
|
|
return run(str, code([0], 0));
|
|
}
|
|
|
|
export function bold(str: string): string {
|
|
return run(str, code([1], 22));
|
|
}
|
|
|
|
export function dim(str: string): string {
|
|
return run(str, code([2], 22));
|
|
}
|
|
|
|
export function italic(str: string): string {
|
|
return run(str, code([3], 23));
|
|
}
|
|
|
|
export function underline(str: string): string {
|
|
return run(str, code([4], 24));
|
|
}
|
|
|
|
export function inverse(str: string): string {
|
|
return run(str, code([7], 27));
|
|
}
|
|
|
|
export function hidden(str: string): string {
|
|
return run(str, code([8], 28));
|
|
}
|
|
|
|
export function strikethrough(str: string): string {
|
|
return run(str, code([9], 29));
|
|
}
|
|
|
|
export function black(str: string): string {
|
|
return run(str, code([30], 39));
|
|
}
|
|
|
|
export function red(str: string): string {
|
|
return run(str, code([31], 39));
|
|
}
|
|
|
|
export function green(str: string): string {
|
|
return run(str, code([32], 39));
|
|
}
|
|
|
|
export function yellow(str: string): string {
|
|
return run(str, code([33], 39));
|
|
}
|
|
|
|
export function blue(str: string): string {
|
|
return run(str, code([34], 39));
|
|
}
|
|
|
|
export function magenta(str: string): string {
|
|
return run(str, code([35], 39));
|
|
}
|
|
|
|
export function cyan(str: string): string {
|
|
return run(str, code([36], 39));
|
|
}
|
|
|
|
export function white(str: string): string {
|
|
return run(str, code([37], 39));
|
|
}
|
|
|
|
export function gray(str: string): string {
|
|
return run(str, code([90], 39));
|
|
}
|
|
|
|
export function bgBlack(str: string): string {
|
|
return run(str, code([40], 49));
|
|
}
|
|
|
|
export function bgRed(str: string): string {
|
|
return run(str, code([41], 49));
|
|
}
|
|
|
|
export function bgGreen(str: string): string {
|
|
return run(str, code([42], 49));
|
|
}
|
|
|
|
export function bgYellow(str: string): string {
|
|
return run(str, code([43], 49));
|
|
}
|
|
|
|
export function bgBlue(str: string): string {
|
|
return run(str, code([44], 49));
|
|
}
|
|
|
|
export function bgMagenta(str: string): string {
|
|
return run(str, code([45], 49));
|
|
}
|
|
|
|
export function bgCyan(str: string): string {
|
|
return run(str, code([46], 49));
|
|
}
|
|
|
|
export function bgWhite(str: string): string {
|
|
return run(str, code([47], 49));
|
|
}
|
|
|
|
/* Special Color Sequences */
|
|
|
|
function clampAndTruncate(n: number, max = 255, min = 0): number {
|
|
return Math.trunc(Math.max(Math.min(n, max), min));
|
|
}
|
|
|
|
/** Set text color using paletted 8bit colors.
|
|
* https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit */
|
|
export function rgb8(str: string, color: number): string {
|
|
return run(str, code([38, 5, clampAndTruncate(color)], 39));
|
|
}
|
|
|
|
/** Set background color using paletted 8bit colors.
|
|
* https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit */
|
|
export function bgRgb8(str: string, color: number): string {
|
|
return run(str, code([48, 5, clampAndTruncate(color)], 49));
|
|
}
|
|
|
|
/** Set text color using 24bit rgb. */
|
|
export function rgb24(str: string, color: Rgb): string {
|
|
return run(
|
|
str,
|
|
code(
|
|
[
|
|
38,
|
|
2,
|
|
clampAndTruncate(color.r),
|
|
clampAndTruncate(color.g),
|
|
clampAndTruncate(color.b),
|
|
],
|
|
39
|
|
)
|
|
);
|
|
}
|
|
|
|
/** Set background color using 24bit rgb. */
|
|
export function bgRgb24(str: string, color: Rgb): string {
|
|
return run(
|
|
str,
|
|
code(
|
|
[
|
|
48,
|
|
2,
|
|
clampAndTruncate(color.r),
|
|
clampAndTruncate(color.g),
|
|
clampAndTruncate(color.b),
|
|
],
|
|
49
|
|
)
|
|
);
|
|
}
|