Minor refactoring to future proof against ts preset changes

client/tests/jest/jest.config.js

@@ -1,6 +1,5 @@
 const path = require("path");
 const { defaults: tsjPreset } = require("ts-jest/presets");
-const ts = require("typescript");
 
 // For a detailed explanation regarding each configuration property, visit:
 // https://jestjs.io/docs/en/configuration.html
@@ -16,12 +15,25 @@ const modulesToTransform = [
     "openapi-typescript-fetch",
 ].join("|");
 
-const tsjPresetTransform = tsjPreset.transform;
-
 // Override verbatimModuleSyntax to false to allow jest to transform the module syntax like it wants.
 // This is necessary to allow jest to transform the module syntax to commonjs, which is necessary for
 // jest to work properly.  I think.
-tsjPresetTransform[0].tsconfig.verbatimModuleSyntax = false;
+
+const configOverride = {
+    "^.+.tsx?$": [
+        "ts-jest",
+        {
+            tsconfig: {
+                verbatimModuleSyntax: false,
+            },
+        },
+    ],
+};
+
+const mergedTSJTransform = {
+    ...tsjPreset.transform,
+    ...configOverride,
+};
 
 module.exports = {
     preset: "ts-jest",
@@ -56,7 +68,7 @@ module.exports = {
         "^.*\\.(vue)$": "@vue/vue2-jest",
         "^.+\\.ya?ml$": "<rootDir>/tests/jest/yaml-jest.js",
         "^.+\\.txt$": "<rootDir>/tests/jest/jest-raw-loader.js",
-        ...tsjPresetTransform,
+        ...mergedTSJTransform,
     },
     transformIgnorePatterns: [`/node_modules/(?!${modulesToTransform})`],
 };