From c9a2a53ccda555793defeda4fe1856ec93de37be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=8C=E8=B4=A7=E6=9C=BA=E5=99=A8=E4=BA=BA?=
 <smith3816@gmail.com>
Date: Wed, 24 May 2023 10:18:15 +0800
Subject: [PATCH] fix: jest 28 compatable

---
 src/transformers/fileTransformer.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/transformers/fileTransformer.ts b/src/transformers/fileTransformer.ts
index 29ead99..6c7216a 100644
--- a/src/transformers/fileTransformer.ts
+++ b/src/transformers/fileTransformer.ts
@@ -1,11 +1,15 @@
 import path from "path";
 
+// Jest 28 has breaking change of this.
+const jestPkg = require('jest/package.json');
+const aboveJest28 = parseFloat(jestPkg.version) >= 28;
+
 export default {
   process(src: string, filename: string) {
     const assetFilename = JSON.stringify(path.basename(filename));
 
     if (filename.match(/\.svg$/)) {
-      return `module.exports = {
+      const code = `module.exports = {
         __esModule: true,
         default: ${assetFilename},
         ReactComponent: ({ svgRef, ...props }) => ({
@@ -18,8 +22,11 @@ export default {
           })
         }),
       };`;
+
+      return aboveJest28 ? { code } : code;
     }
 
-    return `module.exports = ${assetFilename};`;
+    const rawCode = `module.exports = ${assetFilename};`;
+    return aboveJest28 ? { code: rawCode } : rawCode;
   },
 };