chore: sync staging → main (#122)

Author: Griko Nibras

.eslintrc.json

@@ -11,7 +11,7 @@
     "simple-import-sort/exports": "warn",
     "simple-import-sort/imports": "warn"
   },
-  "ignorePatterns": ["node_modules/", ".next/", "out/", "src/chains/"],
+  "ignorePatterns": ["node_modules/", ".next/", "out/", "src/chains/*"],
   "overrides": [
     {
       "files": ["*.ts", "*.tsx"],

chain-registry

@@ -7,14 +7,27 @@ const createJestConfig = nextJest({
 });
 
 // Add any custom config to be passed to Jest
+/** @type {import('ts-jest').JestConfigWithTsJest} */
 const customJestConfig = {
+  preset: "ts-jest/presets/js-with-ts-esm",
+  moduleNameMapper: {
+    isows: "<rootDir>/node_modules/isows/_cjs/index.js", // https://github.com/wagmi-dev/viem/issues/1329
+    tinykeys: "<rootDir>/node_modules/tinykeys/dist/tinykeys.js",
+  },
+  setupFiles: ["<rootDir>/jest.polyfills.js"],
   setupFilesAfterEnv: ["<rootDir>/jest.setup.js"],
   testEnvironment: "jest-environment-jsdom",
   testPathIgnorePatterns: [
     "<rootDir>/.next/",
     "<rootDir>/node_modules/",
     "<rootDir>/tests/",
   ],
+  transform: {
+    "^.+\\.[tj]sx?$": ["ts-jest", { useESM: true }],
+  },
+  transformIgnorePatterns: [
+    "node_modules/(?!isows/)", // https://github.com/wagmi-dev/viem/issues/1329
+  ],
 };
 
 // createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async

jest.config.js

@@ -0,0 +1,28 @@
+// https://mswjs.io/docs/faq/#referenceerror-fetch-is-not-defined-in-nodejs
+// https://mswjs.io/docs/faq/#requestresponsetextencoder-is-not-defined-jest
+
+const { ReadableStream } = require("stream/web");
+const { clearImmediate, setImmediate } = require("timers");
+const { TextDecoder, TextEncoder } = require("util");
+
+Object.defineProperties(global, {
+  ReadableStream: { value: ReadableStream },
+  TextDecoder: { value: TextDecoder },
+  TextEncoder: { value: TextEncoder },
+  clearImmediate: { value: clearImmediate },
+  setImmediate: { value: setImmediate },
+});
+
+const { Blob, File } = require("buffer");
+const { fetch, FormData, Headers, Request, Response } = require("undici");
+
+Object.defineProperties(global, {
+  Blob: { value: Blob },
+  File: { value: File },
+  FormData: { value: FormData },
+  Headers: { value: Headers },
+  Request: { value: Request },
+  ResizeObserver: { value: require("resize-observer-polyfill") },
+  Response: { value: Response },
+  fetch: { value: fetch, writable: true },
+});

jest.polyfills.js

@@ -1,9 +1,4 @@
-import "@testing-library/jest-dom/extend-expect";
-
-global.ResizeObserver = require("resize-observer-polyfill");
-
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-global.TextEncoder = require("util").TextEncoder;
+import "@testing-library/jest-dom";
 
 // suppress zustand deprecation notice to clear out logs
 global.console.warn = (...args) =>