diff --git a/NEWS.md b/NEWS.md
index 5daf3233e..86e3a5476 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -6,7 +6,8 @@
 # 3.2.8
 - Upgrade dependencies
 - Update examples and removed deprecated function calls like `byteArray.toString()`
-- Add `dom.js` and `ambient.js` to allow importing `dom.d.ts` and `ambient.d.ts` in the codebase with a bundler
+- Add `dom.js`, `ambient.js` and `node-ambient.js` to allow importing there type definitions in the codebase with a bundler
+- Update TSDoc documentation for `system`
 - node-gtk: Add new `gtk-4-application` example
 - node-gtk: Uses snake_case for property names at constructor, fixes #131
 
diff --git a/packages/generator-typescript/src/type-definition-generator.ts b/packages/generator-typescript/src/type-definition-generator.ts
index 8ac909e27..e80d0fdd9 100644
--- a/packages/generator-typescript/src/type-definition-generator.ts
+++ b/packages/generator-typescript/src/type-definition-generator.ts
@@ -1263,6 +1263,37 @@ export class TypeDefinitionGenerator implements Generator {
         }
     }
 
+    protected async exportModuleAmbientJS(
+        moduleTemplateProcessor: TemplateProcessor,
+        girModule: GirModule,
+    ): Promise<void> {
+        const template = 'module-ambient.js'
+        let target = `${girModule.importName}-ambient.js`
+
+        if (this.overrideConfig.moduleType) {
+            if (this.overrideConfig.moduleType === 'cjs') {
+                target = `${girModule.importName}-ambient.cjs`
+            } else {
+                target = `${girModule.importName}-ambient.mjs`
+            }
+        }
+
+        if (this.config.outdir) {
+            await moduleTemplateProcessor.create(
+                template,
+                this.config.outdir,
+                target,
+                undefined,
+                undefined,
+                undefined,
+                this.config,
+            )
+        } else {
+            const { append, prepend } = await moduleTemplateProcessor.load(template, {}, this.config)
+            this.log.log(append + prepend)
+        }
+    }
+
     protected async exportModuleImportTS(
         moduleTemplateProcessor: TemplateProcessor,
         girModule: GirModule,
@@ -1294,6 +1325,37 @@ export class TypeDefinitionGenerator implements Generator {
         }
     }
 
+    protected async exportModuleImportJS(
+        moduleTemplateProcessor: TemplateProcessor,
+        girModule: GirModule,
+    ): Promise<void> {
+        const template = 'module-import.js'
+        let target = `${girModule.importName}-import.js`
+
+        if (this.overrideConfig.moduleType) {
+            if (this.overrideConfig.moduleType === 'cjs') {
+                target = `${girModule.importName}-import.cjs`
+            } else {
+                target = `${girModule.importName}-import.mjs`
+            }
+        }
+
+        if (this.config.outdir) {
+            await moduleTemplateProcessor.create(
+                template,
+                this.config.outdir,
+                target,
+                undefined,
+                undefined,
+                undefined,
+                this.config,
+            )
+        } else {
+            const { append, prepend } = await moduleTemplateProcessor.load(template, {}, this.config)
+            this.log.log(append + prepend)
+        }
+    }
+
     protected async exportModuleTS(moduleTemplateProcessor: TemplateProcessor, girModule: GirModule): Promise<void> {
         const template = 'module.d.ts'
         let explicitTemplate = `${girModule.importName}.d.ts`
@@ -1612,14 +1674,20 @@ export class TypeDefinitionGenerator implements Generator {
         )
 
         await this.exportModuleTS(moduleTemplateProcessor, girModule)
+        if (this.config.buildType === 'lib') {
+            await this.exportModuleJS(moduleTemplateProcessor, girModule)
+        }
 
         if (this.config.environment === 'gjs') {
             await this.exportModuleAmbientTS(moduleTemplateProcessor, girModule)
+
+            if (this.config.buildType === 'lib') {
+                await this.exportModuleAmbientJS(moduleTemplateProcessor, girModule)
+            }
         }
         await this.exportModuleImportTS(moduleTemplateProcessor, girModule)
-
         if (this.config.buildType === 'lib') {
-            await this.exportModuleJS(moduleTemplateProcessor, girModule)
+            await this.exportModuleImportJS(moduleTemplateProcessor, girModule)
         }
 
         if (this.config.package) {
@@ -1768,11 +1836,15 @@ export class TypeDefinitionGenerator implements Generator {
 
         // Import ambient types
         await templateProcessor.create('ambient.d.ts', this.config.outdir, 'ambient.d.ts')
-        await templateProcessor.create('ambient.js', this.config.outdir, 'ambient.js')
+        if (this.config.buildType === 'lib') {
+            await templateProcessor.create('ambient.js', this.config.outdir, 'ambient.js')
+        }
 
         // DOM types
         await templateProcessor.create('dom.d.ts', this.config.outdir, 'dom.d.ts')
-        await templateProcessor.create('dom.js', this.config.outdir, 'dom.js')
+        if (this.config.buildType === 'lib') {
+            await templateProcessor.create('dom.js', this.config.outdir, 'dom.js')
+        }
 
         // Import ambient path alias
         if (this.config.generateAlias) {
@@ -1844,6 +1916,9 @@ export class TypeDefinitionGenerator implements Generator {
 
         // Import ambient types
         await templateProcessor.create('ambient.d.ts', this.config.outdir, 'node-ambient.d.ts')
+        if (this.config.buildType === 'lib') {
+            await templateProcessor.create('ambient.js', this.config.outdir, 'node-ambient.js')
+        }
 
         // Package
         if (this.config.package) {
diff --git a/packages/generator-typescript/templates/gjs/module-ambient.js b/packages/generator-typescript/templates/gjs/module-ambient.js
new file mode 100644
index 000000000..693da49fc
--- /dev/null
+++ b/packages/generator-typescript/templates/gjs/module-ambient.js
@@ -0,0 +1 @@
+export {}
\ No newline at end of file
diff --git a/packages/generator-typescript/templates/gjs/module-import.js b/packages/generator-typescript/templates/gjs/module-import.js
new file mode 100644
index 000000000..b2bf6c686
--- /dev/null
+++ b/packages/generator-typescript/templates/gjs/module-import.js
@@ -0,0 +1,2 @@
+const gi = globalThis.imports?.gi || {};
+export default gi;
\ No newline at end of file
diff --git a/packages/generator-typescript/templates/node-gtk/ambient.js b/packages/generator-typescript/templates/node-gtk/ambient.js
new file mode 100644
index 000000000..4351cbe54
--- /dev/null
+++ b/packages/generator-typescript/templates/node-gtk/ambient.js
@@ -0,0 +1,5 @@
+<% if(moduleType === 'esm'){ %>
+    export {};
+<% } else { %>  
+    module.exports = {};
+<% } %>
\ No newline at end of file
diff --git a/packages/generator-typescript/templates/node-gtk/module-import.js b/packages/generator-typescript/templates/node-gtk/module-import.js
new file mode 100644
index 000000000..aae833c57
--- /dev/null
+++ b/packages/generator-typescript/templates/node-gtk/module-import.js
@@ -0,0 +1,10 @@
+const gi = globalThis.imports?.gi || {};
+export default gi;
+
+<% if(moduleType === 'esm'){ %>
+    import * as gi from 'node-gtk';
+    export default gi;
+<% } else { %>  
+    const gi = require('node-gtk');
+    module.exports = gi;
+<% } %>
\ No newline at end of file
diff --git a/packages/generator-typescript/templates/package.json b/packages/generator-typescript/templates/package.json
index 692d54156..35ae6a95b 100644
--- a/packages/generator-typescript/templates/package.json
+++ b/packages/generator-typescript/templates/package.json
@@ -29,8 +29,11 @@ _%>
       <%_ if (packageName === 'Gjs' && generateAlias) { _%>
         "./tsconfig.alias.json": "./tsconfig.alias.json",
       <%_ } _%>
-      <%_ if (packageName === 'Gjs') { _%>
-        "./ambient": "./ambient.d.ts",
+        <%_ if (packageName === 'Gjs') { _%>
+        "./ambient": {
+          "types": "./ambient.d.ts",
+          "default": "./ambient.js"
+        },
         "./gettext": {
           <%_ if (moduleType === 'esm') { _%>
           "import": {
@@ -96,13 +99,28 @@ _%>
         },
       <%_ } _%>
       <%_ if (entryPointName === 'gjs') { _%>
-      "./ambient": "./ambient.d.ts",
-      "./dom": "./dom.d.ts",
+      "./ambient": {
+        "types": "./ambient.d.ts",
+        "default": "./ambient.js"
+      },
+      "./dom": {
+        "types": "./dom.d.ts",
+        "default": "./dom.js"
+      },
       <%_ } else if (entryPointName === 'node-gtk') { _%>
-      "./ambient": "./node-ambient.d.ts",
+      "./ambient": {
+        "types": "./node-ambient.d.ts",
+        "default": "./node-ambient.js"
+      },
       <%_ } else {_%>
-      "./ambient": "./<%- entryPointName %>-ambient.d.ts",
-      "./import": "./<%- entryPointName %>-import.d.ts",
+      "./ambient": {
+        "types": "./<%- entryPointName %>-ambient.d.ts",
+        "default": "./<%- entryPointName %>-ambient.js"
+      },
+      "./import": {
+        "types": "./<%- entryPointName %>-import.d.ts",
+        "default": "./<%- entryPointName %>-import.js"
+      },
       <%_ } _%>
       ".": {
         <%_ if (moduleType === 'esm') { _%>
diff --git a/types b/types
index 0037de12d..9104102dc 160000
--- a/types
+++ b/types
@@ -1 +1 @@
-Subproject commit 0037de12df188dacedef4c006617ea21a966df34
+Subproject commit 9104102dcdfc002d86b4ffaac69ff02ed778f503