diff --git a/configs/rollup.yaml b/configs/rollup.yaml
index c100a8e..74c5252 100644
--- a/configs/rollup.yaml
+++ b/configs/rollup.yaml
@@ -1,21 +1,21 @@
-input: '{source}/index.ts'
+input: '{source}/index.js'
 output:
-  - file: '{output}/index.js'
-    format: cjs
-    sourcemap: true
+    -   file: '{output}/index.js'
+        format: cjs
+        sourcemap: true
 plugins:
-  - '@apply @rollup/plugin-json[default]'
-  - '@apply @rollup/plugin-node-resolve[default]'
-  - - '@apply @rollup/plugin-commonjs[default]'
-    - extensions:
-        - .js
-        - .jsx
-        - .ts
-        - .tsx
-  - '@apply @rollup/plugin-graphql[default]'
-  - '@apply @rollup/plugin-image[default]'
-  - '@apply @rollup/plugin-yaml[default]'
-  - - '@apply rollup-plugin-postcss[default]'
-    - inject:
-        insertAt: top
-  - '@apply rollup-plugin-visualizer[visualizer]'
+    - '@apply @rollup/plugin-json[default]'
+    - '@apply @rollup/plugin-node-resolve[default]'
+    -   - '@apply @rollup/plugin-commonjs[default]'
+        -   extensions:
+                - .js
+                - .jsx
+                - .ts
+                - .tsx
+    - '@apply @rollup/plugin-graphql[default]'
+    - '@apply @rollup/plugin-image[default]'
+    - '@apply @rollup/plugin-yaml[default]'
+    -   - '@apply rollup-plugin-postcss[default]'
+        -   inject:
+                insertAt: top
+    - '@apply rollup-plugin-visualizer[visualizer]'
diff --git a/source/index.ts b/source/index.ts
index d14790f..20b1674 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -41,11 +41,13 @@ export type Variable = {
   source: string;
   /** the directory containing all the compiled files (default: lib) */
   output: string;
+  buildSource: string;
 };
 
 export const DEFAULT_VARIABLE: Variable = {
-  source: 'source',
+  source: 'build',
   output: 'lib',
+  buildSource: 'buildSource',
 };
 
 /**
@@ -71,8 +73,12 @@ export default function (): PresetAsset {
     scripts: resolve(TEMPLATES, 'scripts.yaml'),
     noSymlinks: ['rollup.config.ts'],
     supplementaryConfig: {
-      gitignore: ['/rollup.config.ts'],
-      rollup: resolve(CONFIGS, 'rollup.yaml'),
+      'gitignore': ['/rollup.config.ts'],
+      'rollup': resolve(CONFIGS, 'rollup.yaml'),
+      'tsconfig.build': {
+        include: ['{buildSource}'],
+        outDir: ['{source}'],
+      },
     },
     variable: DEFAULT_VARIABLE,
   };