chore: configure eslint

.eslintignore

@@ -0,0 +1 @@
+/build

.eslintrc

@@ -0,0 +1,49 @@
+{
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 5
+    },
+    "env": {
+        "browser": true,
+        "node": true
+    },
+    "globals": {
+        "gl": true,
+        "GL": true,
+        "LS": true,
+        "Uint8Array": true,
+        "Uint32Array": true,
+        "Float32Array": true,
+        "LGraphCanvas": true,
+        "LGraph": true,
+        "LGraphNode": true,
+        "LiteGraph": true,
+        "LGraphTexture": true,
+        "Mesh": true,
+        "Shader": true,
+        "enableWebGLCanvas": true,
+        "vec2": true,
+        "vec3": true,
+        "vec4": true,
+        "DEG2RAD": true,
+        "isPowerOfTwo": true,
+        "cloneCanvas": true,
+        "createCanvas": true,
+        "hex2num": true,
+        "colorToString": true,
+        "showElement": true,
+        "quat": true,
+        "AudioSynth": true,
+        "SillyClient": true
+    },
+    "rules": {
+        "no-console": "off",
+        "no-empty": "warn",
+        "no-redeclare": "warn",
+        "no-inner-declarations": "warn",
+        "no-constant-condition": "warn",
+        "no-unused-vars": "warn",
+        "no-mixed-spaces-and-tabs": "warn",
+        "no-unreachable": "warn"
+    }
+}

.vscode/extensions.json

@@ -3,7 +3,7 @@
     // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
 
     // List of extensions which should be recommended for users of this workspace.
-    "recommendations": ["esbenp.prettier-vscode"],
+    "recommendations": ["esbenp.prettier-vscode", "dbaeumer.vscode-eslint"],
     // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
     "unwantedRecommendations": []
 }

package.json

@@ -12,7 +12,9 @@
         "build": "grunt build",
         "start": "nodemon utils/server.js",
         "test": "echo \"Error: no test specified\" && exit 1",
-        "prettier": "npx prettier --write src/**/*.* css/**/*.*"
+        "prettier": "npx prettier --write src/**/*.* css/**/*.*",
+        "lint": "npx eslint src",
+        "lint:fix": "npx eslint --fix src"
     },
     "repository": {
         "type": "git",