feat: electron app (#1586)

apps/electron/layers/preload/src/index.ts

@@ -0,0 +1,33 @@
+/**
+ * @module preload
+ */
+
+import { contextBridge } from 'electron';
+
+import { sha256sum } from './sha256sum';
+
+// Expose version number to renderer
+contextBridge.exposeInMainWorld('yerba', { version: 0.1 });
+
+/**
+ * The "Main World" is the JavaScript context that your main renderer code runs in.
+ * By default, the page you load in your renderer executes code in this world.
+ *
+ * @see https://www.electronjs.org/docs/api/context-bridge
+ */
+
+/**
+ * After analyzing the `exposeInMainWorld` calls,
+ * `packages/preload/exposedInMainWorld.d.ts` file will be generated.
+ * It contains all interfaces.
+ * `packages/preload/exposedInMainWorld.d.ts` file is required for TS is `renderer`
+ *
+ * @see https://github.com/cawa-93/dts-for-context-bridge
+ */
+
+/**
+ * Safe expose node.js API
+ * @example
+ * window.nodeCrypto('data')
+ */
+contextBridge.exposeInMainWorld('nodeCrypto', { sha256sum });

apps/electron/layers/preload/src/sha256sum.ts

@@ -0,0 +1,6 @@
+import type { BinaryLike } from 'crypto';
+import { createHash } from 'crypto';
+
+export function sha256sum(data: BinaryLike) {
+  return createHash('sha256').update(data).digest('hex');
+}