fix: indent generated augmentation interfaces

unjs · Mar 15, 2022 · 9af1021 · 9af1021
1 parent acd01ee
commit 9af1021
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/src/typescript.ts b/src/typescript.ts
@@ -21,20 +21,20 @@ export const genTypeObject = (obj: TypeObject, indent = '') => {
   }), indent, '{}', false)
 }
 
-export const genInterface = (name: string, contents?: TypeObject, options: GenInterfaceOptions = {}) => {
+export const genInterface = (name: string, contents?: TypeObject, options: GenInterfaceOptions = {}, indent = '') => {
   const result = [
     options.export && 'export',
     `interface ${name}`,
     options.extends && `extends ${Array.isArray(options.extends) ? options.extends.join(', ') : options.extends}`,
-    contents ? genTypeObject(contents) : '{}'
+    contents ? genTypeObject(contents, indent) : '{}'
   ].filter(Boolean).join(' ')
   return result
 }
 
 export const genAugmentation = (specifier: string, interfaces?: Record<string, TypeObject | [TypeObject, Omit<GenInterfaceOptions, 'export'>]>) => {
   return `declare module ${genString(specifier)} ${wrapInDelimiters(
     Object.entries(interfaces || {}).map(
-      ([key, entry]) => '  ' + (Array.isArray(entry) ? genInterface(key, ...entry) : genInterface(key, entry))
+      ([key, entry]) => '  ' + (Array.isArray(entry) ? genInterface(key, ...entry, '  ') : genInterface(key, entry, {}, '  '))
     )
   )}`
 }
diff --git a/test/index.test.ts b/test/index.test.ts
@@ -144,10 +144,16 @@ describe('genInterface', () => {
 const genAugmentationTests: Array<{ input: Parameters<typeof genAugmentation>, code: string }> = [
   { input: ['@nuxt/utils'], code: 'declare module "@nuxt/utils" {}' },
   {
-    input: ['@nuxt/utils', { MyInterface: {} }],
+    input: ['@nuxt/utils', {
+      MyInterface: {
+        'test?': 'string'
+      }
+    }],
     code:
 `declare module "@nuxt/utils" {
-  interface MyInterface {}
+  interface MyInterface {
+    test?: string
+  }
 }`
   },
   {