Convert project to a ES Module (#95)

* Set up Web Test Runner

* Convert project to Modules

* Remove browserify and the build task

* Remove build from CI

.github/workflows/nodejs.yml

@@ -7,7 +7,7 @@ on:
       - main
 
 jobs:
-  build:
+  Test:
     name: Build
     runs-on: ubuntu-latest
     steps:
@@ -35,9 +35,6 @@ jobs:
       - name: Install dependencies
         run: npm install
 
-      - name: Build
-        run: npm run build
-
       - name: Test
         run: npm run test
         env:

index.js

@@ -5,7 +5,8 @@
  * MIT Licensed
  */
 
-var type = require('type-detect');
+import type from 'type-detect';
+
 function FakeMap() {
   this._key = 'chai/deep-eql__' + Math.random() + Date.now();
 }
@@ -24,7 +25,7 @@ FakeMap.prototype = {
   },
 };
 
-var MemoizeMap = typeof WeakMap === 'function' ? WeakMap : FakeMap;
+export var MemoizeMap = typeof WeakMap === 'function' ? WeakMap : FakeMap;
 /*!
  * Check to see if the MemoizeMap has recorded a result of the two operands
  *
@@ -75,8 +76,7 @@ function memoizeSet(leftHandOperand, rightHandOperand, memoizeMap, result) {
  * Primary Export
  */
 
-module.exports = deepEqual;
-module.exports.MemoizeMap = MemoizeMap;
+export default deepEqual;
 
 /**
  * Assert deeply nested sameValue equality between two objects of any type.