[breaking] Implement the es-shim-api interface

auto.js

@@ -0,0 +1,3 @@
+/*! https://mths.be/repeat v1.0.0 by @mathias */
+
+require('./shim')();

implementation.js

@@ -0,0 +1,27 @@
+/*! https://mths.be/repeat v1.0.0 by @mathias */
+
+'use strict';
+
+var RequireObjectCoercible = require('es-abstract/2019/RequireObjectCoercible');
+var ToString = require('es-abstract/2019/ToString');
+var ToInteger = require('es-abstract/2019/ToInteger');
+
+module.exports = function repeat(count) {
+    var O = RequireObjectCoercible(this);
+	var S = ToString(O);
+    var n = ToInteger(count);
+    // Account for out-of-bounds indices
+    if (n < 0 || n == Infinity) throw RangeError();
+
+    var result = '';
+    while (n) {
+        if (n % 2 == 1) {
+            result += string;
+        }
+        if (n > 1) {
+            string += string;
+        }
+        n >>= 1;
+    }
+    return result;
+};

index.js

@@ -0,0 +1,21 @@
+/*! https://mths.be/repeat v1.0.0 by @mathias */
+
+'use strict';
+
+var callBind = require('es-abstract/helpers/callBind');
+var define = require('define-properties');
+
+var implementation = require('./implementation');
+var getPolyfill = require('./polyfill');
+var shim = require('./shim');
+
+var boundRepeat = callBind(getPolyfill());
+
+define(boundRepeat, {
+	getPolyfill: getPolyfill,
+	implementation: implementation,
+	shim: shim
+});
+
+module.exports = boundRepeat;
+

package.json

@@ -3,7 +3,15 @@
 	"version": "0.2.0",
 	"description": "A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.",
 	"homepage": "https://mths.be/repeat",
-	"main": "repeat.js",
+	"main": "index.js",
+	"exports": {
+		".": "./index.js",
+		"./auto": "./auto.js",
+		"./shim": "./shim.js",
+		"./getPolyfill": "./getPolyfill.js",
+		"./implementation": "./implementation.js",
+		"./package.json": "./package.json"
+	},
 	"keywords": [
 		"string",
 		"repeat",
@@ -21,12 +29,12 @@
 		"url": "https://github.com/mathiasbynens/String.prototype.repeat.git"
 	},
 	"bugs": "https://github.com/mathiasbynens/String.prototype.repeat/issues",
-	"files": [
-		"LICENSE-MIT.txt",
-		"repeat.js"
-	],
 	"scripts": {
 		"test": "node tests/tests.js",
 		"cover": "istanbul cover --report html --verbose --dir coverage tests/tests.js"
+	},
+	"dependencies": {
+		"define-properties": "^1.1.3",
+		"es-abstract": "^1.17.5"
 	}
 }

polyfill.js

@@ -0,0 +1,9 @@
+/*! https://mths.be/repeat v1.0.0 by @mathias */
+
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = function getPolyfill() {
+	return String.prototype.repeat || implementation;
+};

shim.js

@@ -0,0 +1,17 @@
+/*! https://mths.be/repeat v1.0.0 by @mathias */
+
+'use strict';
+
+var define = require('define-properties');
+
+var getPolyfill = require('./polyfill');
+
+module.exports = function shimRepeat() {
+	var polyfill = getPolyfill();
+
+	if (String.prototype.repeat !== polyfill) {
+		define(String.prototype, { repeat: polyfill });
+	}
+
+	return polyfill;
+};