test: boost test performance using swc

Author: ahochsteger

jest.config.ts jest.config.jsjest.config.ts renamed to jest.config.js

@@ -104,7 +104,6 @@ export default {
 
   // A preset that is used as a base for Jest's configuration
   // preset: undefined,
-  preset: "ts-jest/presets/js-with-ts",
 
   // Run tests from one or more projects
   // projects: undefined,
@@ -199,14 +198,23 @@ export default {
   //   '^.+\\.tsx?$': 'babel-jest',
   // },
   transform: {
-    "^.+\\.tsx?$": [
-      "ts-jest",
+    "^.+\\.(t|j)sx?$": [
+      "@swc/jest",
       {
-        /* ts-jest config goes here in Jest */
+        jsc: {
+          parser: {
+            syntax: "typescript",
+            decorators: true, // Enable decorator parsing
+          },
+          keepClassNames: true,
+          transform: {
+            legacyDecorator: true, // Use legacy decorator behavior (common for TS projects)
+            decoratorMetadata: true, // Enable metadata emission (like emitDecoratorMetadata in tsconfig)
+          },
+        },
       },
     ],
   },
-
   // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
   // transformIgnorePatterns: [
   //   "/node_modules/",

jest.setup.ts

@@ -1,2 +1,3 @@
+// Required for class-transformer
 // See https://stackoverflow.com/a/67371037/236784
 import "reflect-metadata"

package-lock.json

@@ -12,7 +12,7 @@
     "ci": "npm run ci:build && npm run ci:test && npm run ci:docs",
     "ci:build": "npm run clean && npm ci && npm run build && npm run lint:code",
     "ci:docs": "npm run clean:docs && npm ci && ( cd docs && npm ci ) && npm run build:docs",
-    "ci:test": "TZ=Etc/UTC jest --runInBand -i --ci --coverage",
+    "ci:test": "TZ=Etc/UTC npx jest --runInBand --ci --coverage",
     "clean": "rm -rf build docs/build",
     "clean:docs": "rm -rf docs/build",
     "clean:examples": "scripts/clasp.sh examples clean",
@@ -109,6 +109,8 @@
     "@rollup/plugin-replace": "6.0.2",
     "@rollup/plugin-terser": "0.4.4",
     "@rollup/plugin-typescript": "12.1.2",
+    "@swc/core": "^1.11.24",
+    "@swc/jest": "^0.2.38",
     "@types/addressparser": "1.0.3",
     "@types/crypto-js": "4.2.2",
     "@types/google-apps-script": "1.0.97",