fix!: use import assertions to get prettierrcs

We need them to be in module graph so that esbuild can correctly bundle
them, see f822d2d

This is a breaking change as we can only support Node.js 16.14+
by using this feature.

Author: haoqunjiang

index.js

@@ -144,7 +144,7 @@ export default function createConfig ({
   }
   if (needsPrettier) {
     // Prettier recommends an explicit configuration file to let the editor know that it's used.
-    files['.prettierrc.json'] = prettierrcs[styleGuide]
+    files['.prettierrc.json'] = JSON.stringify(prettierrcs[styleGuide], undefined, 2)
   }
 
   return {

package.json

@@ -8,7 +8,7 @@
     "create-eslint-config": "bin/create-eslint-config.js"
   },
   "engines": {
-    "node": "^14.18.0 || >=16.0.0"
+    "node": "^16.14.0 || >= 18.0.0"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"

templates/prettierrcs.js

@@ -1,7 +1,11 @@
-import { readFileSync } from 'node:fs'
-import { fileURLToPath } from 'node:url'
+import defaultConfig from './prettierrc-default.json' assert { type: 'json' }
 
-export default readFileSync(fileURLToPath(new URL('./prettierrc-default.json', import.meta.url)))
+import airbnb from './prettierrc-airbnb.json' assert { type: 'json' }
+import standard from './prettierrc-standard.json' assert { type: 'json' }
 
-export const airbnb = readFileSync(fileURLToPath(new URL('./prettierrc-airbnb.json', import.meta.url)))
-export const standard = readFileSync(fileURLToPath(new URL('./prettierrc-standard.json', import.meta.url)))
+export {
+  defaultConfig as default,
+
+  airbnb,
+  standard,
+}