Require Node.js 12 and move to ESM

.github/funding.yml

@@ -1,2 +1,2 @@
-github: [sindresorhus,Qix-]
+github: [sindresorhus, Qix-]
 tidelift: npm/ansi-styles

.github/workflows/main.yml

@@ -12,10 +12,9 @@ jobs:
         node-version:
           - 14
           - 12
-          - 10
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

index.d.ts

@@ -1,167 +1,165 @@
-declare namespace ansiStyles {
-	interface CSPair {
-		/**
-		The ANSI terminal control sequence for starting this style.
-		*/
-		readonly open: string;
-
-		/**
-		The ANSI terminal control sequence for ending this style.
-		*/
-		readonly close: string;
-	}
-
-	interface ColorBase {
-		/**
-		The ANSI terminal control sequence for ending this color.
-		*/
-		readonly close: string;
-
-		ansi256(code: number): string;
-
-		ansi16m(red: number, green: number, blue: number): string;
-	}
-
-	interface Modifier {
-		/**
-		Resets the current color chain.
-		*/
-		readonly reset: CSPair;
-
-		/**
-		Make text bold.
-		*/
-		readonly bold: CSPair;
-
-		/**
-		Emitting only a small amount of light.
-		*/
-		readonly dim: CSPair;
-
-		/**
-		Make text italic. (Not widely supported)
-		*/
-		readonly italic: CSPair;
-
-		/**
-		Make text underline. (Not widely supported)
-		*/
-		readonly underline: CSPair;
-
-		/**
-		Make text overline.
-
-		Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.
-		*/
-		readonly overline: CSPair;
-
-		/**
-		Inverse background and foreground colors.
-		*/
-		readonly inverse: CSPair;
-
-		/**
-		Prints the text, but makes it invisible.
-		*/
-		readonly hidden: CSPair;
-
-		/**
-		Puts a horizontal line through the center of the text. (Not widely supported)
-		*/
-		readonly strikethrough: CSPair;
-	}
-
-	interface ForegroundColor {
-		readonly black: CSPair;
-		readonly red: CSPair;
-		readonly green: CSPair;
-		readonly yellow: CSPair;
-		readonly blue: CSPair;
-		readonly cyan: CSPair;
-		readonly magenta: CSPair;
-		readonly white: CSPair;
-
-		/**
-		Alias for `blackBright`.
-		*/
-		readonly gray: CSPair;
-
-		/**
-		Alias for `blackBright`.
-		*/
-		readonly grey: CSPair;
-
-		readonly blackBright: CSPair;
-		readonly redBright: CSPair;
-		readonly greenBright: CSPair;
-		readonly yellowBright: CSPair;
-		readonly blueBright: CSPair;
-		readonly cyanBright: CSPair;
-		readonly magentaBright: CSPair;
-		readonly whiteBright: CSPair;
-	}
-
-	interface BackgroundColor {
-		readonly bgBlack: CSPair;
-		readonly bgRed: CSPair;
-		readonly bgGreen: CSPair;
-		readonly bgYellow: CSPair;
-		readonly bgBlue: CSPair;
-		readonly bgCyan: CSPair;
-		readonly bgMagenta: CSPair;
-		readonly bgWhite: CSPair;
-
-		/**
-		Alias for `bgBlackBright`.
-		*/
-		readonly bgGray: CSPair;
-
-		/**
-		Alias for `bgBlackBright`.
-		*/
-		readonly bgGrey: CSPair;
-
-		readonly bgBlackBright: CSPair;
-		readonly bgRedBright: CSPair;
-		readonly bgGreenBright: CSPair;
-		readonly bgYellowBright: CSPair;
-		readonly bgBlueBright: CSPair;
-		readonly bgCyanBright: CSPair;
-		readonly bgMagentaBright: CSPair;
-		readonly bgWhiteBright: CSPair;
-	}
-
-	interface ConvertColor {
-		/**
-		Convert from the RGB color space to the ANSI 256 color space.
-
-		@param red - (`0...255`)
-		@param green - (`0...255`)
-		@param blue - (`0...255`)
-		*/
-		rgbToAnsi256(red: number, green: number, blue: number): number;
-
-		/**
-		Convert from the RGB HEX color space to the RGB color space.
-
-		@param hex - A hexadecimal string containing RGB data.
-		*/
-		hexToRgb(hex: string): [red: number, green: number, blue: number];
-
-		/**
-		Convert from the RGB HEX color space to the ANSI 256 color space.
-
-		@param hex - A hexadecimal string containing RGB data.
-		*/
-		hexToAnsi256(hex: string): number;
-	}
+export interface CSPair {
+	/**
+	The ANSI terminal control sequence for starting this style.
+	*/
+	readonly open: string;
+
+	/**
+	The ANSI terminal control sequence for ending this style.
+	*/
+	readonly close: string;
+}
+
+export interface ColorBase {
+	/**
+	The ANSI terminal control sequence for ending this color.
+	*/
+	readonly close: string;
+
+	ansi256(code: number): string;
+
+	ansi16m(red: number, green: number, blue: number): string;
+}
+
+export interface Modifier {
+	/**
+	Resets the current color chain.
+	*/
+	readonly reset: CSPair;
+
+	/**
+	Make text bold.
+	*/
+	readonly bold: CSPair;
+
+	/**
+	Emitting only a small amount of light.
+	*/
+	readonly dim: CSPair;
+
+	/**
+	Make text italic. (Not widely supported)
+	*/
+	readonly italic: CSPair;
+
+	/**
+	Make text underline. (Not widely supported)
+	*/
+	readonly underline: CSPair;
+
+	/**
+	Make text overline.
+
+	Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.
+	*/
+	readonly overline: CSPair;
+
+	/**
+	Inverse background and foreground colors.
+	*/
+	readonly inverse: CSPair;
+
+	/**
+	Prints the text, but makes it invisible.
+	*/
+	readonly hidden: CSPair;
+
+	/**
+	Puts a horizontal line through the center of the text. (Not widely supported)
+	*/
+	readonly strikethrough: CSPair;
+}
+
+export interface ForegroundColor {
+	readonly black: CSPair;
+	readonly red: CSPair;
+	readonly green: CSPair;
+	readonly yellow: CSPair;
+	readonly blue: CSPair;
+	readonly cyan: CSPair;
+	readonly magenta: CSPair;
+	readonly white: CSPair;
+
+	/**
+	Alias for `blackBright`.
+	*/
+	readonly gray: CSPair;
+
+	/**
+	Alias for `blackBright`.
+	*/
+	readonly grey: CSPair;
+
+	readonly blackBright: CSPair;
+	readonly redBright: CSPair;
+	readonly greenBright: CSPair;
+	readonly yellowBright: CSPair;
+	readonly blueBright: CSPair;
+	readonly cyanBright: CSPair;
+	readonly magentaBright: CSPair;
+	readonly whiteBright: CSPair;
+}
+
+export interface BackgroundColor {
+	readonly bgBlack: CSPair;
+	readonly bgRed: CSPair;
+	readonly bgGreen: CSPair;
+	readonly bgYellow: CSPair;
+	readonly bgBlue: CSPair;
+	readonly bgCyan: CSPair;
+	readonly bgMagenta: CSPair;
+	readonly bgWhite: CSPair;
+
+	/**
+	Alias for `bgBlackBright`.
+	*/
+	readonly bgGray: CSPair;
+
+	/**
+	Alias for `bgBlackBright`.
+	*/
+	readonly bgGrey: CSPair;
+
+	readonly bgBlackBright: CSPair;
+	readonly bgRedBright: CSPair;
+	readonly bgGreenBright: CSPair;
+	readonly bgYellowBright: CSPair;
+	readonly bgBlueBright: CSPair;
+	readonly bgCyanBright: CSPair;
+	readonly bgMagentaBright: CSPair;
+	readonly bgWhiteBright: CSPair;
+}
+
+export interface ConvertColor {
+	/**
+	Convert from the RGB color space to the ANSI 256 color space.
+
+	@param red - (`0...255`)
+	@param green - (`0...255`)
+	@param blue - (`0...255`)
+	*/
+	rgbToAnsi256(red: number, green: number, blue: number): number;
+
+	/**
+	Convert from the RGB HEX color space to the RGB color space.
+
+	@param hex - A hexadecimal string containing RGB data.
+	*/
+	hexToRgb(hex: string): [red: number, green: number, blue: number];
+
+	/**
+	Convert from the RGB HEX color space to the ANSI 256 color space.
+
+	@param hex - A hexadecimal string containing RGB data.
+	*/
+	hexToAnsi256(hex: string): number;
 }
 
 declare const ansiStyles: {
-	readonly modifier: ansiStyles.Modifier;
-	readonly color: ansiStyles.ForegroundColor & ansiStyles.ColorBase;
-	readonly bgColor: ansiStyles.BackgroundColor & ansiStyles.ColorBase;
+	readonly modifier: Modifier;
+	readonly color: ColorBase & ForegroundColor;
+	readonly bgColor: ColorBase & BackgroundColor;
 	readonly codes: ReadonlyMap<number, number>;
-} & ansiStyles.BackgroundColor & ansiStyles.ForegroundColor & ansiStyles.Modifier & ansiStyles.ConvertColor;
+} & ForegroundColor & BackgroundColor & Modifier & ConvertColor;
 
-export = ansiStyles;
+export default ansiStyles;

index.js

@@ -1,5 +1,3 @@
-'use strict';
-
 const ANSI_BACKGROUND_OFFSET = 10;
 
 const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;
@@ -157,8 +155,6 @@ function assembleStyles() {
 	return styles;
 }
 
-// Make the export immutable
-Object.defineProperty(module, 'exports', {
-	enumerable: true,
-	get: assembleStyles
-});
+const ansiStyles = assembleStyles();
+
+export default ansiStyles;