1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-24 08:09:08 -05:00
denoland-deno/runtime/js/01_colors.js
2021-01-11 18:13:41 +01:00

92 lines
1.7 KiB
JavaScript

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
((window) => {
function code(open, close) {
return {
open: `\x1b[${open}m`,
close: `\x1b[${close}m`,
regexp: new RegExp(`\\x1b\\[${close}m`, "g"),
};
}
function run(str, code) {
return `${code.open}${str.replace(code.regexp, code.open)}${code.close}`;
}
function bold(str) {
return run(str, code(1, 22));
}
function italic(str) {
return run(str, code(3, 23));
}
function yellow(str) {
return run(str, code(33, 39));
}
function cyan(str) {
return run(str, code(36, 39));
}
function red(str) {
return run(str, code(31, 39));
}
function green(str) {
return run(str, code(32, 39));
}
function bgRed(str) {
return run(str, code(41, 49));
}
function white(str) {
return run(str, code(37, 39));
}
function gray(str) {
return run(str, code(90, 39));
}
function magenta(str) {
return run(str, code(35, 39));
}
function dim(str) {
return run(str, code(2, 22));
}
// https://github.com/chalk/ansi-regex/blob/2b56fb0c7a07108e5b54241e8faec160d393aedb/index.js
const ANSI_PATTERN = new RegExp(
[
"[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)",
"(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))",
].join("|"),
"g",
);
function stripColor(string) {
return string.replace(ANSI_PATTERN, "");
}
function maybeColor(fn) {
return !(globalThis.Deno?.noColor ?? false) ? fn : (s) => s;
}
window.__bootstrap.colors = {
bold,
italic,
yellow,
cyan,
red,
green,
bgRed,
white,
gray,
magenta,
dim,
stripColor,
maybeColor,
};
})(this);