add prettier

www/package-lock.json

@@ -18,6 +18,7 @@
         "@rollup/plugin-typescript": "^8.0.0",
         "@tsconfig/svelte": "^2.0.0",
         "@types/three": "^0.144.0",
+        "prettier": "^2.7.1",
         "rollup": "^2.3.4",
         "rollup-plugin-css-only": "^3.1.0",
         "rollup-plugin-livereload": "^2.0.0",
@@ -1011,6 +1012,21 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/prettier": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
+      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin-prettier.js"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",
@@ -2359,6 +2375,12 @@
       "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
       "dev": true
     },
+    "prettier": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
+      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "dev": true
+    },
     "queue-microtask": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.3.tgz",

www/package.json

@@ -8,7 +8,8 @@
     "build": "rollup -c",
     "dev": "rollup -c -w ",
     "start": "sirv public --no-clear --host",
-    "check": "svelte-check --tsconfig ./tsconfig.json"
+    "check": "svelte-check --tsconfig ./tsconfig.json",
+    "prettier": "prettier -w ./src"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^17.0.0",
@@ -16,6 +17,7 @@
     "@rollup/plugin-typescript": "^8.0.0",
     "@tsconfig/svelte": "^2.0.0",
     "@types/three": "^0.144.0",
+    "prettier": "^2.7.1",
     "rollup": "^2.3.4",
     "rollup-plugin-css-only": "^3.1.0",
     "rollup-plugin-livereload": "^2.0.0",

www/rollup.config.js

@@ -19,14 +19,18 @@ function serve() {
   return {
     writeBundle() {
       if (server) return;
-      server = require('child_process').spawn('npm', ['run', 'start', '--', '--dev'], {
-        stdio: ['ignore', 'inherit', 'inherit'],
-        shell: true
-      });
+      server = require('child_process').spawn(
+        'npm',
+        ['run', 'start', '--', '--dev'],
+        {
+          stdio: ['ignore', 'inherit', 'inherit'],
+          shell: true,
+        },
+      );
 
       process.on('SIGTERM', toExit);
       process.on('exit', toExit);
-    }
+    },
   };
 }
 
@@ -36,15 +40,15 @@ export default {
     sourcemap: true,
     format: 'iife',
     name: 'app',
-    file: 'public/build/bundle.js'
+    file: 'public/build/bundle.js',
   },
   plugins: [
     svelte({
       preprocess: sveltePreprocess({ sourceMap: !production }),
       compilerOptions: {
         // enable run-time checks when not in production
-        dev: !production
-      }
+        dev: !production,
+      },
     }),
     // we'll extract any component CSS out into
     // a separate file - better for performance
@@ -58,12 +62,12 @@ export default {
     resolve({
       main: true,
       browser: true,
-      dedupe: ['svelte']
+      dedupe: ['svelte'],
     }),
     commonjs(),
     typescript({
       sourceMap: !production,
-      inlineSources: !production
+      inlineSources: !production,
     }),
 
     // In dev mode, call `npm run start` once
@@ -76,9 +80,9 @@ export default {
 
     // If we're building for production (npm run build
     // instead of npm run dev), minify
-    production && terser()
+    production && terser(),
   ],
   watch: {
-    clearScreen: false
-  }
+    clearScreen: false,
+  },
 };

www/src/main.ts

@@ -2,7 +2,7 @@ import App from './App.svelte';
 
 const app = new App({
   target: document.body,
-  props: {}
+  props: {},
 });
 
 export default app;

www/tsconfig.json

@@ -3,21 +3,14 @@
   "compilerOptions": {
     "sourceMap": false,
     "paths": {
-      "@core": [
-        "../core/src"
-      ]
+      "@core": ["../core/src"]
     }
   },
-  "include": [
-    "src/**/*"
-  ],
-  "exclude": [
-    "node_modules/*",
-    "public/*"
-  ],
+  "include": ["src/**/*"],
+  "exclude": ["node_modules/*", "public/*"],
   "references": [
     {
       "path": "../core"
     }
   ]
-}
+}