Copilot assisted move from babel-jest to swc/jest.

2026-03-02 22:35:22 +00:00 · 2026-03-02 08:01:37 -08:00
3 changed files with 278 additions and 556 deletions
--- a/jest.config.js
+++ b/jest.config.js
@@ -169,7 +169,29 @@ module.exports = {
  // A map from regular expressions to paths to transformers
  transform: {
    "^.+\\.html?$": "jest-html-loader",
-    "^.+\\.[t|j]sx?$": "babel-jest",
+    "^.+\\.[t|j]sx?$": [
+      "@swc/jest",
+      {
+        jsc: {
+          parser: {
+            syntax: "typescript",
+            tsx: true,
+            decorators: true,
+          },
+          transform: {
+            legacyDecorator: true,
+            decoratorMetadata: true,
+            react: {
+              runtime: "automatic",
+            },
+          },
+          target: "es2022",
+        },
+        module: {
+          type: "commonjs",
+        },
+      },
+    ],
    "^.+\\.svg$": "<rootDir>/jest/svgTransform.js",
  },

--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -139,6 +139,8 @@
    "@babel/preset-react": "7.24.7",
    "@babel/preset-typescript": "7.24.7",
    "@playwright/test": "1.55.1",
+    "@swc/core": "1.15.18",
+    "@swc/jest": "0.2.39",
    "@testing-library/react": "11.2.3",
    "@types/applicationinsights-js": "1.0.7",
    "@types/codemirror": "0.0.56",