chore(test): fix tests

Author: mgcrea

.github/workflows/main.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ["lts/-1", "lts/*"]
+        node: ["lts/*"]
     name: Test on node@v${{ matrix.node }}
     steps:
       - name: Checkout 🛎️
@@ -33,13 +33,13 @@ jobs:
         run: pnpm run lint
       - name: TypeScript 🔍
         run: pnpm run check
-      - name: Vitest 🔍
+      - name: Jest 🔍
         run: pnpm run spec
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ["lts/-1", "lts/*"]
+        node: ["lts/*"]
     name: Build on node@v${{ matrix.node }}
     steps:
       - name: Checkout 🛎️

eslint.config.js

@@ -8,14 +8,12 @@ const config = [
     },
   },
   {
-    // Add this configuration object to ignore specific folders
-    ignores: [".idea/**", "example/**"],
+    ignores: [".idea/**", "example/**", "test/**"],
   },
   {
     languageOptions: {
       parserOptions: {
         project: ["./tsconfig.node.json", "./tsconfig.json"],
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
         tsconfigRootDir: import.meta.dirname,
       },
     },

jest.config.cjs

@@ -0,0 +1,13 @@
+/** @type {import('jest').Config} */
+const config = {
+  preset: "react-native",
+  setupFilesAfterEnv: ["./test/setup.ts"],
+  moduleNameMapper: {
+    "^src/(.*)$": "<rootDir>/src/$1",
+  },
+  transformIgnorePatterns: ["node_modules/(?!(.pnpm/)?(@?react-native.*|react-native-.*|)/)"],
+  testPathIgnorePatterns: ["/.idea/", "/node_modules/", "/example/", "/dist/"],
+};
+
+// eslint-disable-next-line no-undef
+module.exports = config;

package.json

@@ -25,7 +25,7 @@
     "codegen:ios": "rm -rf ios/generated; node node_modules/react-native/scripts/generate-codegen-artifacts.js -p . -t ios -s library",
     "lint": "eslint .",
     "check": "tsc --noEmit",
-    "spec": "jest",
+    "spec": "NODE_OPTIONS=--experimental-require-module jest",
     "test": "npm run lint && npm run check && npm run spec",
     "prepare": "npm run build"
   },
@@ -37,9 +37,11 @@
     "@babel/cli": "^7.26.4",
     "@babel/core": "^7.26.9",
     "@babel/runtime": "^7.26.9",
+    "@jest/globals": "^29.7.0",
     "@mgcrea/eslint-config-react-native": "^0.12.22",
     "@react-native/babel-preset": "0.78.0",
     "@react-native/typescript-config": "0.78.0",
+    "@testing-library/react-native": "^13.2.0",
     "@types/react": "^19.0.10",
     "babel-plugin-module-resolver": "^5.0.2",
     "eslint": "^9.21.0",

pnpm-lock.yaml

@@ -0,0 +1,27 @@
+import { describe, expect, it } from "@jest/globals";
+import { lowercaseFirstLetter } from "./string";
+
+describe("lowercaseFirstLetter", () => {
+  it("should lowercase the first letter of a string", () => {
+    expect(lowercaseFirstLetter("Hello")).toBe("hello");
+    expect(lowercaseFirstLetter("World")).toBe("world");
+  });
+
+  it("should leave the rest of the string unchanged", () => {
+    expect(lowercaseFirstLetter("Hello World")).toBe("hello World");
+    expect(lowercaseFirstLetter("JavaScript")).toBe("javaScript");
+  });
+
+  it("should handle empty string", () => {
+    expect(lowercaseFirstLetter("")).toBe("");
+  });
+
+  it("should handle single character strings", () => {
+    expect(lowercaseFirstLetter("A")).toBe("a");
+    expect(lowercaseFirstLetter("Z")).toBe("z");
+  });
+
+  it("should handle strings that already start with lowercase", () => {
+    expect(lowercaseFirstLetter("already lowercase")).toBe("already lowercase");
+  });
+});

src/utils/string.test.ts

@@ -10,9 +10,8 @@
     "outDir": "./dist",
     "baseUrl": "./",
     "paths": {
-      "src/*": ["src/*"],
-      "test/*": ["test/*"]
+      "src/*": ["src/*"]
     }
   },
-  "include": ["src", "test"]
+  "include": ["src"]
 }

test/setup.ts

@@ -21,5 +21,5 @@
     "noUncheckedSideEffectImports": true,
     "allowJs": true
   },
-  "include": ["*.config.js", "*.config.ts"]
+  "include": ["*.config.cjs", "*.config.js", "*.config.ts"]
 }