chore: set up prettier

.husky/pre-commit

@@ -2,3 +2,4 @@
 . "$(dirname -- "$0")/_/husky.sh"
 
 pnpm run lint
+pnpm run format

.pretterignore

@@ -0,0 +1,6 @@
+# Ignore artifacts:
+
+site
+vendors
+build
+coverage

package.json

@@ -37,7 +37,7 @@
     "pub": "pnpm run clean && pnpm run build && npm publish",
     "pub:patch": "npm version patch && pnpm run pub",
     "pub:minor": "npm version minor && pnpm run pub",
-    "pretty": "prettier --write \"./**/*.{js,mjs,json}\"",
+    "format": "prettier --write \"./**/*.{js,mjs,json}\"",
     "lint": "eslint . --config eslint.config.js",
     "prepare": "husky install"
   },

prettier.config.js

@@ -0,0 +1,14 @@
+// prettier.config.js, .prettierrc.js, prettier.config.mjs, or .prettierrc.mjs
+
+/**
+ * @see https://prettier.io/docs/en/configuration.html
+ * @type {import("prettier").Config}
+ */
+const config = {
+  trailingComma: 'es5',
+  tabWidth: 2,
+  semi: false,
+  singleQuote: true,
+}
+
+export default config

site/.prettierignore

@@ -0,0 +1 @@
+*