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// Copyright 2018-2020 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 "./deno.ts";
interface Code {
open: string;
close: string;
regexp: RegExp;
}
const 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 italic(str: string): string {
return run(str, code(3, 23));
}
export function yellow(str: string): string {
return run(str, code(33, 39));
}
export function cyan(str: string): string {
return run(str, code(36, 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 bgRed(str: string): string {
return run(str, code(41, 49));
}
export function white(str: string): string {
return run(str, code(37, 39));
}
export function gray(str: string): string {
return run(str, code(90, 39));
}
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