fix(Fragment): fix tsconfig Fragment

src/compiler/transpile/transpile-module.ts

@@ -59,7 +59,7 @@ export const transpileModule = (config: d.Config, input: string, transformOpts:
     tsCompilerOptions.jsxFactory = 'h';
   }
 
-  if (tsCompilerOptions.jsxFragmentFactory != null && !isString(tsCompilerOptions.jsxFragmentFactory)) {
+  if (tsCompilerOptions.jsx != null && !isString(tsCompilerOptions.jsxFragmentFactory)) {
     tsCompilerOptions.jsxFragmentFactory = 'Fragment';
   }
 

src/internal/stencil-core/index.d.ts

@@ -31,6 +31,7 @@ export {
   getElement,
   getMode,
   getRenderingRef,
+  Fragment,
   forceUpdate,
   h,
   Host,

src/runtime/test/jsx.spec.tsx

@@ -1,8 +1,38 @@
-import { Component, Host, Prop, State, h } from '@stencil/core';
+import { Component, Host, Prop, State, h, Fragment } from '@stencil/core';
 import { newSpecPage } from '@stencil/core/testing';
 import { FunctionalComponent } from '../../declarations';
 
 describe('jsx', () => {
+  it('Fragment', async () => {
+    @Component({ tag: 'cmp-a' })
+    class CmpA {
+      render() {
+        return (
+          <>
+            <div>A</div>
+            <div>B</div>
+          </>
+        );
+      }
+    }
+
+    const { root } = await newSpecPage({
+      components: [CmpA],
+      html: `<cmp-a></cmp-a>`,
+    });
+
+    expect(root).toEqualHtml(`
+      <cmp-a>
+        <div>
+          A
+        </div>
+        <div>
+          B
+        </div>
+      </cmp-a>
+    `);
+  });
+
   it('render template', async () => {
     @Component({ tag: 'cmp-a' })
     class CmpA {

src/runtime/test/tsconfig.json

@@ -8,6 +8,7 @@
     "forceConsistentCasingInFileNames": true,
     "jsx": "react",
     "jsxFactory": "h",
+    "jsxFragmentFactory": "Fragment",
     "lib": ["dom", "es2017", "esnext.array"],
     "module": "esnext",
     "moduleResolution": "node",

src/testing/jest/jest-preprocessor.ts

@@ -58,7 +58,7 @@ export const jestPreprocessor = {
       filePath,
       jestConfigStr,
       !!transformOptions.instrument,
-      5, // cache buster
+      6, // cache buster
     ];
 
     return key.join(':');

tsconfig.json

@@ -8,6 +8,7 @@
     "forceConsistentCasingInFileNames": true,
     "jsx": "react",
     "jsxFactory": "h",
+    "jsxFragmentFactory": "Fragment",
     "lib": ["dom", "es2018", "esnext.array"],
     "module": "esnext",
     "moduleResolution": "node",