diff --git a/.prettierignore b/.prettierignore
index 2d5efb2..e385c65 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1 +1,3 @@
-/lib/esm/_deps/
+/dist/
+/lib/
+/out/
diff --git a/LICENSE.md b/LICENSE.md
index f8a94f6..5ae193c 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,21 +1,21 @@
-The MIT License (MIT)
-
-Copyright (c) Microsoft Corporation
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
\ No newline at end of file
+The MIT License (MIT)
+
+Copyright (c) Microsoft Corporation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index f04a18e..ba8ba59 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,14 @@
 # Monaco YAML
 
 YAML language plugin for the Monaco Editor. It provides the following features when editing YAML files:
-* Code completion, based on JSON schemas or by looking at similar objects in the same file
-* Hovers, based on JSON schemas
-* Validation: Syntax errors and schema validation
-* Formatting
-* Document Symbols
-* Syntax highlighting
-* Automatically load remote schema files (by enabling DiagnosticsOptions.enableSchemaRequest)
+
+- Code completion, based on JSON schemas or by looking at similar objects in the same file
+- Hovers, based on JSON schemas
+- Validation: Syntax errors and schema validation
+- Formatting
+- Document Symbols
+- Syntax highlighting
+- Automatically load remote schema files (by enabling DiagnosticsOptions.enableSchemaRequest)
 
 Schemas can also be provided by configuration. See [here](https://github.com/Microsoft/monaco-json/blob/master/src/monaco.d.ts)
 for the API that the JSON plugin offers to configure the JSON language support.
@@ -20,15 +21,17 @@ See `examples` directory for esm and umd examples.
 
 ## Development
 
-* `git clone https://github.com/pengx17/monaco-yaml`
-* `cd monaco-yaml`
-* `yarn`
+- `git clone https://github.com/pengx17/monaco-yaml`
+- `cd monaco-yaml`
+- `yarn`
 
 A running example:
 ![demo-image](test-demo.png)
 
 ## Credits
+
 - https://github.com/redhat-developer/yaml-language-server
 
 ## License
+
 [MIT](https://github.com/pengx17/monaco-yaml/blob/master/LICENSE.md)
diff --git a/examples/react-webpack-worker-loader/README.md b/examples/react-webpack-worker-loader/README.md
index 83e342f..3a3f0ff 100644
--- a/examples/react-webpack-worker-loader/README.md
+++ b/examples/react-webpack-worker-loader/README.md
@@ -1,9 +1,9 @@
 # Demo: React + Weback + Worker Loader + Babel
 
 To run:
+
 ```
 yarn && yarn start
 ```
 
 The demo will open in your browser. See (index.jsx)[index.jsx#L34-L36] for the schema loaded.
-
diff --git a/examples/react-webpack/README.md b/examples/react-webpack/README.md
index fb1a1ae..773b672 100644
--- a/examples/react-webpack/README.md
+++ b/examples/react-webpack/README.md
@@ -1,9 +1,9 @@
 # Demo: React + Weback + Babel
 
 To run:
+
 ```
 yarn && yarn start
 ```
 
 The demo will open in your browser. See (index.jsx)[index.jsx#L34-L36] for the schema loaded.
-
diff --git a/package.json b/package.json
index ba3c603..bdfa7bc 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "build": "yarn compile && yarn bundle",
     "prepare": "husky install",
     "prepack": "yarn build",
-    "lint": "prettier \"{src,test}/**/*.{json,scss,html,ts}\" --write"
+    "lint": "prettier \"**/*.{css,js,json,jsx,html,md,ts}\" --check"
   },
   "main": "./lib/esm/monaco.contribution.js",
   "module": "./lib/esm/monaco.contribution.js",