Update devDependencies

.npmignore

@@ -1,7 +1,6 @@
 spec
 script
 src
-lib
 .npmignore
 .DS_Store
 npm-debug.log

.travis.yml

@@ -7,7 +7,9 @@ notifications:
     on_failure: change
 
 node_js:
-  - 8
+  - 10
+  - 12
+  - 14
 
 git:
   depth: 10

README.md

@@ -74,3 +74,9 @@ const {Disposable} = require('event-kit')
 
 const disposable = new Disposable(() => this.destroyResource())
 ```
+
+### Using ES6 Code
+You can use the ES6 style classes from `lib` directory.
+```
+const {Disposable} = require('event-kit/lib/event-kit')
+```

appveyor.yml

@@ -1,11 +1,15 @@
 environment:
-  nodejs_version: "6"
+  matrix:
+    - nodejs_version: "10"
+    - nodejs_version: "12"
+    - nodejs_version: "14"
 
 platform:
   - x64
   - x86
 
 install:
+  - SET PATH=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\bin;%PATH%
   - ps: Install-Product node $env:nodejs_version
   - npm install
 

babel.config.js

@@ -0,0 +1,10 @@
+let presets = ["babel-preset-atomic"];
+
+let plugins = ["@babel/plugin-transform-classes"] // this is needed so Disposabale can be extended by ES5-style classes
+
+module.exports = {
+  presets: presets,
+  plugins: plugins,
+  exclude: "node_modules/**",
+  sourceMap: true,
+}

package.json

@@ -4,7 +4,9 @@
   "description": "Simple library for implementing and consuming evented APIs",
   "main": "./dist/event-kit",
   "scripts": {
-    "prepublish": "babel lib --out-dir dist --presets @babel/env && joanna-tello -o api.json package.json lib",
+    "build": "cross-env BABEL_KEEP_MODULES=false babel lib --out-dir dist --delete-dir-on-start",
+    "docs": "joanna-tello -o api.json package.json lib",
+    "prepublish": "npm run build && npm run docs",
     "test": "jasmine-focused --captureExceptions --forceexit spec"
   },
   "repository": {
@@ -16,12 +18,11 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@babel/cli": "^7.1.2",
-    "@babel/core": "^7.1.2",
-    "@babel/preset-env": "^7.1.0",
-    "jasmine-focused": "^1.0.4",
-    "joanna": "0.0.11",
-    "rimraf": "^2.2.2",
-    "temp": "^0.6.0"
+    "@babel/cli": "^7.12.10",
+    "@babel/core": "^7.12.10",
+    "babel-preset-atomic": "^3.0.1",
+    "cross-env": "^7.0.3",
+    "jasmine-focused": "^1.0.7",
+    "joanna": "https://github.com/aminya/joanna"
   }
 }