chore: Moving Jest setup to JSDOM for the firefly-honeycomb project

gsoft-inc · Jan 20, 2025 · 5094cbf · 5094cbf
1 parent 811f20d
commit 5094cbf
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Showing 4 changed files with 14 additions and 1 deletion.
diff --git a/packages/firefly-honeycomb/jest-setup.js b/packages/firefly-honeycomb/jest-setup.js
@@ -0,0 +1,6 @@
+// https://github.com/mswjs/msw/issues/1796
+
+import { TextDecoder, TextEncoder } from "node:util";
+
+global.TextEncoder = TextEncoder;
+global.TextDecoder = TextDecoder;
diff --git a/packages/firefly-honeycomb/jest.config.ts b/packages/firefly-honeycomb/jest.config.ts
@@ -2,14 +2,17 @@ import type { Config } from "jest";
 import { swcConfig } from "./swc.jest.ts";
 
 const config: Config = {
-    testRegex: "/tests/*/.*\\.test\\.(ts|tsx)$",
+    // JSDOM is required for OTel instrumentation like "@opentelemetry/instrumentation-document-load".
+    testEnvironment: "jsdom",
+    testRegex: "/tests/*/.*\\.test\\.ts$",
     testPathIgnorePatterns: ["/node_modules/", "/dist/"],
     transformIgnorePatterns: [
         "node_modules/(?!.pnpm|memoize|mimic-function|@workleap/honeycomb)"
     ],
     transform: {
         "^.+\\.(js|ts|tsx)$": ["@swc/jest", swcConfig as Record<string, unknown>]
     },
+    setupFilesAfterEnv: ["<rootDir>/jest-setup.js"],
     cacheDirectory: "./node_modules/.cache/jest",
     verbose: true
 };

diff --git a/packages/firefly-honeycomb/package.json b/packages/firefly-honeycomb/package.json
@@ -63,6 +63,7 @@
         "@workleap/typescript-configs": "3.0.2",
         "eslint": "8.57.0",
         "jest": "29.7.0",
+        "jest-environment-jsdom": "29.7.0",
         "ts-node": "10.9.2",
         "typescript": "5.5.4"
     },

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml