Allowing import Id customization

README.md

@@ -48,13 +48,21 @@ export interface CommonjsOptions {
     onFiles?: (files: string[], id: string) => typeof files | undefined
   }
   advanced?: {
-    /**
-     * Custom import module interop behavior.
-     * 
-     * If you want to fully customize the interop behavior, 
-     * you can pass a function and return the interop code snippet.
-     */
-    importRules?: ImportInteropType | ((id: string) => ImportInteropType | string)
+      /**
+       * Custom import module interop behavior.
+       *
+       * If you want to fully customize the interop behavior,
+       * you can pass a function and return the interop code snippet.
+       */
+      importRules?: ImportInteropType | ((id: string) => ImportInteropType | string)
+
+      /**
+       * Custom import ID handler.
+       *
+       * If you want to fully customize the generated import value,
+       * you can pass a function and return the proper name.
+       */
+      namingRules?: (id: string, node: AcornNode) => string
   }
 }
 ```

src/generate-import.ts

@@ -8,7 +8,7 @@ export interface ImportRecord {
 }
 
 export function generateImport(analyzed: Analyzed, id: string, options: CommonjsOptions) {
-  const { importRules } = options.advanced ?? {}
+  const { namingRules, importRules } = options.advanced ?? {}
   const imports: ImportRecord[] = []
   let count = 0
 
@@ -36,6 +36,10 @@ export function generateImport(analyzed: Analyzed, id: string, options: Commonjs
          ${'^'.repeat(codeSnippets.length)}`)
     }
 
+    if (typeof namingRules === 'function') {
+        requireId = namingRules(requireId, node)
+    }
+
     // This is probably less accurate, but is much cheaper than a full AST parse.
     let importInterop: ImportInteropType | string = 'defaultFirst'
     if (typeof importRules === 'string') {

src/index.ts

@@ -51,7 +51,15 @@ export interface CommonjsOptions {
      * If you want to fully customize the interop behavior, 
      * you can pass a function and return the interop code snippet.
      */
-    importRules?: ImportInteropType | ((id: string) => ImportInteropType | string)
+    importRules?: ImportInteropType | ((id: string) => ImportInteropType | string),
+
+    /**
+     * Custom import ID handler.
+     *
+     * If you want to fully customize the generated import value,
+     * you can pass a function and return the proper name.
+     */
+    namingRules?: (id: string, node: AcornNode) => string
   }
 }