add esm source module

.gitignore

@@ -1 +1,2 @@
 .idea/
+node_modules/

keycharm.js

@@ -1,25 +1,12 @@
-"use strict";
-/**
- * Created by Alex on 11/6/2014.
- */
-
-// https://github.com/umdjs/umd/blob/master/returnExports.js#L40-L60
-// if the module has no dependencies, the above pattern can be simplified to
-(function (root, factory) {
- if (typeof define === 'function' && define.amd) {
- // AMD. Register as an anonymous module.
- define([], factory);
- } else if (typeof exports === 'object') {
- // Node. Does not work with strict CommonJS, but
- // only CommonJS-like environments that support module.exports,
- // like Node.
- module.exports = factory();
- } else {
- // Browser globals (root is window)
- root.keycharm = factory();
- }
-}(this, function () {
-
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.keycharm = factory());
+}(this, (function () { 'use strict';
+
+ /**
+ * Created by Alex on 11/6/2014.
+ */
  function keycharm(options) {
  var preventDefault = options && options.preventDefault || false;
 
@@ -188,6 +175,5 @@
  }
 
  return keycharm;
-}));
-
 
+})));

package.json

@@ -4,6 +4,17 @@
  "description": "Simple, lightweight key-binding lib",
  "version": "0.3.0",
  "license": "(Apache-2.0 OR MIT)",
+ "repository": "https://github.com/AlexDM0/keycharm",
  "main": "keycharm.js",
- "repository": "https://github.com/AlexDM0/keycharm"
+ "module": "./src/keycharm.js",
+ "scripts": {
+ "build": "rollup ./src/keycharm.js --file keycharm.js --format umd --output.name keycharm"
+ },
+ "pre-commit": [
+ "build"
+ ],
+ "devDependencies": {
+ "pre-commit": "^1.2.2",
+ "rollup": "^2.28.2"
+ }
 }