Merge pull request #7 from alexeyraspopov/feature/CJSSupport

Introduce CommonJS module

Co-authored-by: Mr. K <[email protected]>

package.json

@@ -2,17 +2,23 @@
  "name": "picocolors",
  "version": "0.0.1",
  "type": "module",
- "main": "picocolors.js",
- "module": "picocolors.js",
- "exports": "picocolors.js",
+ "main": "./picocolors.cjs",
+ "module": "./picocolors.js",
+ "exports": {
+ ".": {
+ "require": "./picocolors.cjs",
+ "import": "./picocolors.js",
+ "default": "./picocolors.js"
+ },
+ "./package.json": "./package.json"
+ },
  "sideEffects": false,
  "description": "The tiniest and the fastest coloring library ever",
  "scripts": {
  "test": "node test.js"
  },
  "files": [
- "picocolors.d.ts",
- "picocolors.js.flow"
+ "picocolors.*"
  ],
  "keywords": [
  "terminal",

picocolors.cjs

@@ -0,0 +1,56 @@
+let tty = require("tty");
+
+let isColorSupported =
+ !("NO_COLOR" in process.env || process.argv.includes("--no-color")) &&
+ ("FORCE_COLOR" in process.env ||
+ process.argv.includes("--color") ||
+ process.platform === "win32" ||
+ (tty.isatty(1) && process.env.TERM !== "dumb") ||
+ "CI" in process.env);
+
+function formatter(open, close, replace = open) {
+ return isColorSupported
+ ? (string) => {
+ let index = string.indexOf(close, open.length);
+ return !~index
+ ? open + string + close
+ : open + replaceClose(string, close, replace, index) + close;
+ }
+ : (string) => string;
+}
+
+function replaceClose(string, close, replace, index) {
+ if (!~index) return string;
+ let start = string.substring(0, index) + replace;
+ let end = string.substring(index + close.length);
+ return start + replaceClose(end, close, replace, end.indexOf(close));
+}
+
+module.exports = {
+ isColorSupported,
+ reset: (s) => `\x1b[0m${s}\x1b[0m`,
+ bold: formatter("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m"),
+ dim: formatter("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m"),
+ italic: formatter("\x1b[3m", "\x1b[23m"),
+ underline: formatter("\x1b[4m", "\x1b[24m"),
+ inverse: formatter("\x1b[7m", "\x1b[27m"),
+ hidden: formatter("\x1b[8m", "\x1b[28m"),
+ strikethrough: formatter("\x1b[9m", "\x1b[29m"),
+ black: formatter("\x1b[30m", "\x1b[39m"),
+ red: formatter("\x1b[31m", "\x1b[39m"),
+ green: formatter("\x1b[32m", "\x1b[39m"),
+ yellow: formatter("\x1b[33m", "\x1b[39m"),
+ blue: formatter("\x1b[34m", "\x1b[39m"),
+ magenta: formatter("\x1b[35m", "\x1b[39m"),
+ cyan: formatter("\x1b[36m", "\x1b[39m"),
+ white: formatter("\x1b[37m", "\x1b[39m"),
+ gray: formatter("\x1b[90m", "\x1b[39m"),
+ bgBlack: formatter("\x1b[40m", "\x1b[49m"),
+ bgRed: formatter("\x1b[41m", "\x1b[49m"),
+ bgGreen: formatter("\x1b[42m", "\x1b[49m"),
+ bgYellow: formatter("\x1b[43m", "\x1b[49m"),
+ bgBlue: formatter("\x1b[44m", "\x1b[49m"),
+ bgMagenta: formatter("\x1b[45m", "\x1b[49m"),
+ bgCyan: formatter("\x1b[46m", "\x1b[49m"),
+ bgWhite: formatter("\x1b[47m", "\x1b[49m"),
+};