feat: Add @w3ux/crypto package

builder/package.json

@@ -14,6 +14,7 @@
     "build:hooks": "node dist/index.js -t build:hooks",
     "build:factories": "node dist/index.js -t build:factories",
     "build:types": "node dist/index.js -t build:types",
+    "build:crypto": "node dist/index.js -t build:crypto",
     "build:utils": "node dist/index.js -t build:utils",
     "clear": "rm -rf node_modules dist tsconfig.tsbuildinfo"
   },

builder/src/builders/crypto/index.ts

@@ -0,0 +1,54 @@
+/* @license Copyright 2024 w3ux authors & contributors
+SPDX-License-Identifier: GPL-3.0-only */
+
+import { PACKAGE_OUTPUT } from "config";
+import { prebuild } from "builders/common/prebuild";
+import {
+  gePackageDirectory,
+  generatePackageJson,
+  removePackageOutput,
+} from "builders/util";
+import { promisify } from "util";
+import { exec } from "child_process";
+
+const execPromisify = promisify(exec);
+
+export const build = async () => {
+  const folder = "crypto";
+  const libDirectory = gePackageDirectory(folder);
+
+  try {
+    // Prebuild integrity checks.
+    if (!(await prebuild(folder))) {
+      throw `Prebuild failed.`;
+    }
+
+    // Call tsup command to build dist folder.
+    try {
+      await execPromisify(`cd ../library/${folder} && yarn build`);
+    } catch (e) {
+      throw `Failed to generate dist. ${e}`;
+    }
+
+    // Generate package.json.
+    if (
+      !(await generatePackageJson(
+        libDirectory,
+        `${libDirectory}/${PACKAGE_OUTPUT}`,
+        "tsup"
+      ))
+    ) {
+      throw `Failed to generate package.json file.`;
+    }
+
+    console.log(`✅ Package successfully built.`);
+  } catch (err) {
+    // Handle on error.
+    console.error(`❌ Error occurred while building the package.`, err);
+
+    // Remove package output directory if it exists.
+    if (!(await removePackageOutput(libDirectory, false))) {
+      console.error(`❌ Failed to remove package output directory.`);
+    }
+  }
+};

builder/src/builders/utils/index.ts

@@ -35,19 +35,7 @@ export const build = async () => {
       !(await generatePackageJson(
         libDirectory,
         `${libDirectory}/${PACKAGE_OUTPUT}`,
-        "tsup",
-        // Defining the additional entry points as `polkadot/util` and `polkadot/util-crypto`
-        // packages are re-exported.
-        {
-          "./util": {
-            import: "./util/index.js",
-            require: "./util/index.cjs",
-          },
-          "./util-crypto": {
-            import: "./util-crypto/index.js",
-            require: "./util-crypto/index.cjs",
-          },
-        }
+        "tsup"
       ))
     ) {
       throw `Failed to generate package.json file.`;

builder/src/index.ts

@@ -5,6 +5,7 @@ import minimist from "minimist";
 import * as extensionAssets from "./builders/extension-assets";
 import * as validatorAssets from "./builders/validator-assets";
 import * as types from "./builders/types";
+import * as crypto from "./builders/crypto";
 import * as utils from "./builders/utils";
 import * as directory from "./builders/directory";
 import * as reactOdometer from "./builders/react-odometer";
@@ -58,6 +59,10 @@ switch (task) {
     utils.build();
     break;
 
+  case "build:crypto":
+    crypto.build();
+    break;
+
   default:
     console.log("❌ No task provided.");
 }

library/crypto/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@w3ux/crypto-source",
+  "license": "GPL-3.0-only",
+  "version": "1.0.0-beta.0",
+  "type": "module",
+  "scripts": {
+    "clear": "rm -rf node_modules dist tsconfig.tsbuildinfo",
+    "test": "vitest run",
+    "build": "tsup src/**/* --format esm,cjs --target es2022 --dts --no-splitting"
+  }
+}

library/crypto/packageInfo.yml

@@ -0,0 +1,8 @@
+directory:
+  - name: Crypto
+    description: Cryptographic utilities for Dapps.
+
+npm:
+  title: Crypto
+  contents:
+    - item: Cryptographic utilities for Dapps.

library/crypto/src/index.ts

@@ -0,0 +1,28 @@
+/* @license Copyright 2024 w3ux authors & contributors
+SPDX-License-Identifier: GPL-3.0-only */
+
+import { blake2b } from "blakejs";
+
+/**
+ * Creates a BLAKE2b hash of the input data and returns it as a Uint8Array.
+ *
+ * @param data - The input data to hash, as a string, Uint8Array, or Buffer.
+ * @param bitLength - The bit length of the hash output (default 256).
+ * @returns The BLAKE2b hash output as a Uint8Array.
+ */
+export function blake2AsU8a(
+  data: Uint8Array | string | Buffer,
+  bitLength = 256
+): Uint8Array {
+  // Convert input to Uint8Array if it's a string
+  const input =
+    typeof data === "string" ? new TextEncoder().encode(data) : data;
+
+  // Calculate byte length from bit length (256 bits => 32 bytes)
+  const byteLength = bitLength / 8;
+
+  // Generate the hash using blake2b with the specified output length
+  const hash = blake2b(input, undefined, byteLength);
+
+  return new Uint8Array(hash);
+}

library/crypto/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "rootDir": ".",
+    "declarationDir": ".",
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "target": "es2020",
+    "lib": ["DOM", "DOM.Iterable", "ESNext"],
+    "sourceMap": false,
+    "jsx": "react-jsx",
+    "allowSyntheticDefaultImports": true,
+    "emitDeclarationOnly": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+  },
+  "include": ["./**/*"],
+}

library/crypto/tsup.config.ts

@@ -0,0 +1,13 @@
+/* @license Copyright 2024 w3ux authors & contributors
+SPDX-License-Identifier: GPL-3.0-only */
+
+import { defineConfig } from "tsup";
+
+export default defineConfig({
+  entry: ["src/index.ts"],
+  splitting: false,
+  sourcemap: false,
+  clean: true,
+  dts: true,
+  format: "esm",
+});

library/factories/packageInfo.yml

@@ -3,6 +3,6 @@ directory:
     description: A collection of general purpose TypeScript factories.
 
 npm:
-  title: Hooks
+  title: Factories
   contents:
     - item: A collection of general purpose TypeScript factories.

package.json

@@ -35,6 +35,7 @@
   },
   "workspaces": [
     "builder",
+    "library/crypto",
     "library/utils",
     "library/types",
     "library/factories",

release-please-config.json

@@ -10,6 +10,7 @@
     "library/react-polkicon": {},
     "library/types": {},
     "library/utils": {},
+    "library/crypto": {},
     "library/validator-assets": {}
   }
 }