ID-2116 Unit test Passport in a browser-like environment

packages/passport/sdk/jest.config.ts

@@ -11,7 +11,8 @@ const config: Config = {
     '@imtbl/x-client': '<rootDir>../../x-client/src',
     '@imtbl/toolkit': '<rootDir>../../internal/toolkit/src',
   },
-  testEnvironment: 'jsdom',
+  resolver: "./resolver.ts",
+  testEnvironment: "./jest.custom.env.ts",
   transform: {
     '^.+\\.(t|j)sx?$': '@swc/jest',
   },

packages/passport/sdk/jest.custom.env.ts

@@ -0,0 +1,10 @@
+import JSDOMEnvironment from 'jest-environment-jsdom';
+
+export default class CustomEnvironment extends JSDOMEnvironment {
+  async setup() {
+    await super.setup();
+
+    // In browser environments, the global Buffer is not available.
+    (this.global.Buffer as any) = undefined;
+  }
+}

packages/passport/sdk/package.json

@@ -37,6 +37,7 @@
     "@types/uuid": "^8.3.4",
     "@typescript-eslint/eslint-plugin": "^5.57.1",
     "@typescript-eslint/parser": "^5.57.1",
+    "browser-resolve": "^2.0.0",
     "cross-fetch": "^3.1.6",
     "eslint": "^8.40.0",
     "jest": "^29.4.3",

packages/passport/sdk/resolver.ts

@@ -0,0 +1,8 @@
+/**
+ * browser-resolve ensures that browser versions of packages are resolved where appropriate.
+ * It respects the "browser" field in package.json.
+ */
+
+const browserResolve = require('browser-resolve');
+
+module.exports = browserResolve.sync;

yarn.lock

@@ -3825,6 +3825,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^5.57.1
     "@typescript-eslint/parser": ^5.57.1
     axios: ^1.6.5
+    browser-resolve: ^2.0.0
     cross-fetch: ^3.1.6
     eslint: ^8.40.0
     ethers: ^5.7.2