Add TypeScript definition

index.d.ts

@@ -0,0 +1,81 @@
+declare const figures: {
+	/**
+	Replace unicode symbols depending on the OS.
+
+	@param string - String where the unicode symbols will be replaced with fallback symbols depending on the OS.
+	@returns The input with replaced fallback Unicode symbols on Windows.
+
+	@example
+	```
+	import figures = require('figures');
+
+	console.log(figures('✔︎ check'));
+	// On real OSes:  ✔︎ check
+	// On Windows:    √ check
+
+	console.log(figures.tick);
+	// On real OSes:  ✔︎
+	// On Windows:    √
+	```
+	*/
+	(string: string): string;
+
+	readonly tick: string;
+	readonly cross: string;
+	readonly star: string;
+	readonly square: string;
+	readonly squareSmall: string;
+	readonly squareSmallFilled: string;
+	readonly play: string;
+	readonly circle: string;
+	readonly circleFilled: string;
+	readonly circleDotted: string;
+	readonly circleDouble: string;
+	readonly circleCircle: string;
+	readonly circleCross: string;
+	readonly circlePipe: string;
+	readonly circleQuestionMark: string;
+	readonly bullet: string;
+	readonly dot: string;
+	readonly line: string;
+	readonly ellipsis: string;
+	readonly pointer: string;
+	readonly pointerSmall: string;
+	readonly info: string;
+	readonly warning: string;
+	readonly hamburger: string;
+	readonly smiley: string;
+	readonly mustache: string;
+	readonly heart: string;
+	readonly arrowUp: string;
+	readonly arrowDown: string;
+	readonly arrowLeft: string;
+	readonly arrowRight: string;
+	readonly radioOn: string;
+	readonly radioOff: string;
+	readonly checkboxOn: string;
+	readonly checkboxOff: string;
+	readonly checkboxCircleOn: string;
+	readonly checkboxCircleOff: string;
+	readonly questionMarkPrefix: string;
+	readonly oneHalf: string;
+	readonly oneThird: string;
+	readonly oneQuarter: string;
+	readonly oneFifth: string;
+	readonly oneSixth: string;
+	readonly oneSeventh: string;
+	readonly oneEighth: string;
+	readonly oneNinth: string;
+	readonly oneTenth: string;
+	readonly twoThirds: string;
+	readonly twoFifths: string;
+	readonly threeQuarters: string;
+	readonly threeFifths: string;
+	readonly threeEighths: string;
+	readonly fourFifths: string;
+	readonly fiveSixths: string;
+	readonly fiveEighths: string;
+	readonly sevenEighth: string;
+};
+
+export = figures;

index.test-d.ts

@@ -0,0 +1,5 @@
+import {expectType} from 'tsd';
+import figures = require('.');
+
+expectType<string>(figures('✔︎ check'));
+expectType<string>(figures.tick);

package.json

@@ -13,11 +13,12 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "xo && ava",
+		"test": "xo && ava && tsd",
 		"make": "./makefile.js"
 	},
 	"files": [
-		"index.js"
+		"index.js",
+		"index.d.ts"
 	],
 	"keywords": [
 		"unicode",
@@ -36,9 +37,10 @@
 		"escape-string-regexp": "^1.0.5"
 	},
 	"devDependencies": {
-		"ava": "^1.0.1",
+		"ava": "^1.4.1",
 		"import-fresh": "^3.0.0",
-		"markdown-table": "^1.0.0",
-		"xo": "^0.23.0"
+		"markdown-table": "^1.1.2",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
 	}
 }

readme.md

@@ -35,13 +35,13 @@ console.log(figures.tick);
 
 ## API
 
-### figures(input)
+### figures(string)
 
 Returns the input with replaced fallback Unicode symbols on Windows.
 
 All the below [figures](#figures) are attached to the main export as shown in the example above.
 
-#### input
+#### string
 
 Type: `string`