Migrate to TypeScript + functional tests

Author: MacFJA

.esdoc.json

@@ -3,13 +3,18 @@ module.exports = {
         "browser": true,
         "es6": true
     },
-    "extends": ["eslint:recommended", "plugin:import/errors"],
+    "extends": [
+        "eslint:recommended",
+        "plugin:import/errors",
+        "plugin:@typescript-eslint/recommended"
+    ],
     "parserOptions": {
         "ecmaVersion": 2019,
         "sourceType": "module"
     },
     plugins: [
-        "import"
+        "import",
+        "@typescript-eslint"
     ],
     "rules": {
         "indent": [

.eslintrc.js

@@ -1,3 +1,5 @@
 /node_modules/
 /dist/
-/docs/
+/types/
+/docs/
+/tests/build/

.gitignore

@@ -6,9 +6,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.1.0]
+
+### Added
+
+- Functional tests
+
+### Changed
+
+- Migrate the code to TypeScript
+
 ## [1.0.0] - 2020-09-12
 
 First version
 
-[Unreleased]: https://github.com/MacFJA/svelte-undoable/compare/1.0.0...HEAD
+[Unreleased]: https://github.com/MacFJA/svelte-undoable/compare/1.1.0...HEAD
+[1.1.0]: https://github.com/MacFJA/svelte-undoable/releases/tag/1.0.0...1.1.0
 [1.0.0]: https://github.com/MacFJA/svelte-undoable/releases/tag/1.0.0

CHANGELOG.md

@@ -33,6 +33,7 @@
 Check your code by running the command:
 ```sh
 npm run lint
+npm run test
 ```
 The command will output any information worth knowing. No error should be left.
 

CONTRIBUTING.md

@@ -30,7 +30,7 @@ name.redo()
 
 ## Example
 
-```sveltehtml
+```html
 <script>
 import { undoable, undo, redo, reset, canUndo, canRedo } from "@macfja/svelte-undoable"
 import { derived } from "svelte/store"