feat: support prettierConfigs with internal default options

Author: yunsii

src/configs/formatters.ts

@@ -53,7 +53,7 @@ export async function formatters(
     options.prettierOptions || {},
   )
 
-  const prettierXmlOptions = {
+  const prettierXmlOptions: VendoredPrettierOptions = {
     xmlQuoteAttributes: 'double',
     xmlSelfClosingSpace: true,
     xmlSortAttributesByKey: false,
@@ -289,5 +289,15 @@ export async function formatters(
     })
   }
 
+  if (options.prettierConfigs) {
+    const prettierConfigs = options.prettierConfigs({
+      defaultOptions: prettierOptions,
+      defaultXmlOptions: prettierXmlOptions,
+    })
+    prettierConfigs.forEach((item) => {
+      configs.push(item)
+    })
+  }
+
   return configs
 }

src/types.ts

@@ -50,6 +50,11 @@ export type OptionsTypescript =
   (OptionsTypeScriptWithTypes & OptionsOverrides)
   | (OptionsTypeScriptParserOptions & OptionsOverrides)
 
+export interface PrettierConfigsOptions {
+  defaultOptions: VendoredPrettierOptions
+  defaultXmlOptions: VendoredPrettierOptions
+}
+
 export interface OptionsFormatters {
   /**
    * Enable formatting support for CSS, Less, Sass, and SCSS.
@@ -93,6 +98,11 @@ export interface OptionsFormatters {
    */
   prettierOptions?: VendoredPrettierOptions
 
+  /**
+   * Custom configs let you have different configuration for certain file extensions and specific files.
+   */
+  prettierConfigs?: (options: PrettierConfigsOptions) => TypedFlatConfigItem[]
+
   /**
    * Custom options for dprint.
    *