feat: use Wasm to compute email addr

pages/index.vue

@@ -78,12 +78,23 @@
 import VueWriter from 'vue-writer'
 import { SOCIAL_LINKS } from '@/config/links'
 
-const arr = [
-  0x64, 0x47, 0x39, 0x31, 0x59, 0x32, 0x68, 0x41, 0x63, 0x6d, 0x35, 0x74, 0x5a, 0x57, 0x39, 0x33,
-  0x4c, 0x6d, 0x4e, 0x76, 0x62, 0x51, 0x3d, 0x3d
-]
 if (process.client) {
-  localStorage.setItem('email', atob(String.fromCharCode.apply(null, arr)))
+  const { instance } = await WebAssembly.instantiate(
+    new Uint8Array([
+      0, 97, 115, 109, 1, 0, 0, 0, 1, 5, 1, 96, 0, 1, 127, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 7, 44, 3,
+      6, 109, 101, 109, 111, 114, 121, 2, 0, 14, 103, 101, 116, 95, 115, 116, 114, 105, 110, 103,
+      95, 112, 116, 114, 0, 0, 14, 103, 101, 116, 95, 115, 116, 114, 105, 110, 103, 95, 108, 101,
+      110, 0, 1, 10, 11, 2, 4, 0, 65, 0, 11, 4, 0, 65, 16, 11, 11, 22, 1, 0, 65, 0, 11, 16, 116,
+      111, 117, 99, 104, 64, 114, 110, 109, 101, 111, 119, 46, 99, 111, 109
+    ])
+  )
+
+  const memory = instance.exports.memory as WebAssembly.Memory
+  const ptr = (instance.exports.get_string_ptr as CallableFunction)() as number
+  const len = (instance.exports.get_string_len as CallableFunction)() as number
+  const arr = new Uint8Array(memory.buffer, ptr, len)
+
+  localStorage.setItem('email', String.fromCharCode.apply(null, Array.from(arr)))
 }
 
 const emailAddr = ref('')