feat(crypto): added a hook for utilizing the crypto.subtle api

.swcrc

@@ -0,0 +1,15 @@
+{
+  "$schema": "https://json.schemastore.org/swcrc",
+  "sourceMaps": true,
+  "jsc": {
+    "parser": {
+      "syntax": "typescript",
+      "tsx": true
+    },
+    "transform": {
+      "react": {
+        "runtime": "automatic"
+      }
+    }
+  }
+}

jest.config.ts

@@ -1,23 +1,19 @@
-import type { JestConfigWithTsJest } from 'ts-jest';
+import type { Config } from 'jest';
+import { readFileSync } from 'fs';
 
-const jestConfig: JestConfigWithTsJest = {
+const config = JSON.parse(readFileSync(`${__dirname}/.swcrc`, 'utf-8'));
+
+export default {
   roots: ['<rootDir>/src'],
-  testEnvironment: 'jsdom',
+  testEnvironment: '@happy-dom/jest-environment',
 
   transform: {
-    '^.+\\.tsx?$': [
-      'ts-jest',
-      {
-        tsconfig: 'tsconfig.json',
-      },
-    ],
+    '^.+\\.(t|j)sx?$': ['@swc/jest', config],
   },
 
+  setupFiles: ['@inrupt/jest-jsdom-polyfills'],
   collectCoverageFrom: ['<rootDir>/src/**/*'],
-
   coveragePathIgnorePatterns: ['__tests__'],
-
   setupFilesAfterEnv: ['@testing-library/jest-dom/extend-expect'],
-};
-
-export default jestConfig;
+  extensionsToTreatAsEsm: ['.ts', '.tsx'],
+} satisfies Config;

package.json

@@ -25,6 +25,9 @@
     "classnames": "^2.5.1"
   },
   "devDependencies": {
+    "@happy-dom/jest-environment": "^13.0.6",
+    "@inrupt/jest-jsdom-polyfills": "^3.0.2",
+    "@swc/jest": "^0.2.29",
     "@testing-library/jest-dom": "^5.17.0",
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.4.3",
@@ -39,7 +42,6 @@
     "eslint-plugin-react": "^7.33.1",
     "eslint-plugin-unused-imports": "^3.0.0",
     "jest": "^29.6.2",
-    "jest-environment-jsdom": "^29.6.2",
     "microbundle": "^0.15.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",

src/hooks/__tests__/use-subtle-crypto.spec.tsx

@@ -0,0 +1,29 @@
+import { render, waitFor } from '@testing-library/react';
+import Chance from 'chance';
+import { useSubtleCrypto } from '../use-subtle-crypto';
+import { hash } from '../../utils/subtle-crypto';
+
+const chance = new Chance();
+
+describe('Crypto Hooks', () => {
+  describe('hook(useSubtleCrypto)', () => {
+    type ExampleComponentProps = {
+      value: string;
+    };
+
+    function ExampleComponent({ value }: ExampleComponentProps) {
+      const hashedValue = useSubtleCrypto('SHA-256', value);
+
+      return <div data-testid="example">{hashedValue}</div>;
+    }
+
+    it('should cache the value', async () => {
+      const value = chance.string();
+      const expectedValue = await hash('SHA-256', value);
+
+      const component = render(<ExampleComponent value={value} />);
+
+      await waitFor(() => expect(component.getByText(expectedValue)).toBeTruthy());
+    });
+  });
+});

src/hooks/use-subtle-crypto.ts

@@ -0,0 +1,21 @@
+import { useEffect, useState } from 'react';
+import { Algorithms, hash } from '../utils/subtle-crypto';
+
+/**
+ * Returns a hashed version of the value provided
+ * @param algorithm the hashing algorithm to use
+ * @param value the value to hash
+ * @returns the hashed value
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest#browser_compatibility
+ */
+export function useSubtleCrypto(algorithm: Algorithms, value?: string | null): string | undefined {
+  const [hashedValue, setHashedValue] = useState<string>();
+
+  useEffect(() => {
+    if (value) {
+      hash(algorithm, value).then(setHashedValue);
+    }
+  }, [algorithm, value]);
+
+  return hashedValue;
+}

src/utils/__tests__/subtle-crypto.spec.tsx

@@ -0,0 +1,17 @@
+import { Algorithms, hash } from '../../utils/subtle-crypto';
+
+describe('Crypto Utils', () => {
+  describe('fn(hash)', () => {
+    it.each([
+      ['SHA-1', 'a94a8fe5ccb19ba61c4c0873d391e987982fbbd3'],
+      ['SHA-256', '9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08'],
+      ['SHA-384', '768412320f7b0aa5812fce428dc4706b3cae50e02a64caa16a782249bfe8efc4b7ef1ccb126255d196047dfedf17a0a9'],
+      [
+        'SHA-512',
+        'ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff',
+      ],
+    ])('should support %s', async (algorithm: Algorithms, expectedValue: string) => {
+      await expect(hash(algorithm, 'test')).resolves.toEqual(expectedValue);
+    });
+  });
+});

src/utils/subtle-crypto.ts

@@ -0,0 +1,14 @@
+export type Algorithms = 'SHA-1' | 'SHA-256' | 'SHA-384' | 'SHA-512';
+
+export async function hash(algorithm: Algorithms, message: string): Promise<string> {
+  const msgBuffer = new TextEncoder().encode(message);
+
+  // hash the message
+  const hashBuffer = await crypto.subtle.digest(algorithm, msgBuffer);
+
+  // convert ArrayBuffer to Array
+  const hashArray = Array.from(new Uint8Array(hashBuffer));
+
+  // convert bytes to hex string
+  return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('');
+}