fix: utf8 on windows (#35)

Author: florian-lefebvre

src/index.ts

@@ -1,6 +1,6 @@
 import {spawn} from 'node:child_process';
 
-const TIMEOUT = 2000;
+const TIMEOUT = 3000;
 
 function checkUnixCommandExists(command: string): Promise<boolean> {
   return new Promise((resolve) => {
@@ -12,17 +12,26 @@ function checkUnixCommandExists(command: string): Promise<boolean> {
 
 type Command = [string, Array<string>];
 
+const WINDOWS_READ_COMMAND: Command = [
+  'powershell',
+  [
+    '-NoProfile',
+    '-Command',
+    '[Console]::OutputEncoding = [Text.UTF8Encoding]::new($false); Get-Clipboard'
+  ]
+];
+
 async function getReadCommand(): Promise<Command | undefined> {
   switch (process.platform) {
     case 'darwin':
       return ['pbpaste', []];
     case 'win32':
-      return ['powershell', ['Get-Clipboard']];
+      return WINDOWS_READ_COMMAND;
     case 'linux':
     case 'freebsd':
     case 'openbsd':
       if (process.env.WSL_DISTRO_NAME) {
-        return ['powershell.exe', ['-noprofile', '-command', 'Get-Clipboard']];
+        return WINDOWS_READ_COMMAND;
       }
       if (process.env.WAYLAND_DISPLAY) {
         return ['wl-paste', []];
@@ -69,17 +78,26 @@ export function readText(): Promise<string> {
   });
 }
 
+const WINDOWS_WRITE_COMMAND: Command = [
+  'powershell',
+  [
+    '-NoProfile',
+    '-Command',
+    '[Console]::InputEncoding = [Text.UTF8Encoding]::new($false); [Console]::In.ReadToEnd() | Set-Clipboard'
+  ]
+];
+
 async function getWriteCommand(): Promise<Command | undefined> {
   switch (process.platform) {
     case 'darwin':
       return ['pbcopy', []];
     case 'win32':
-      return ['clip', []];
+      return WINDOWS_WRITE_COMMAND;
     case 'linux':
     case 'freebsd':
     case 'openbsd':
       if (process.env.WSL_DISTRO_NAME) {
-        return ['clip.exe', []];
+        return WINDOWS_WRITE_COMMAND;
       }
       if (process.env.WAYLAND_DISPLAY) {
         return ['wl-copy', []];

tests/index.test.ts

@@ -14,7 +14,7 @@ describe('clipboard', () => {
   });
 
   it('should copy then read successfully', async () => {
-    const text = Math.random().toString();
+    const text = '❤️' + Math.random().toString();
     await clipboard.writeText(text);
     expect(await clipboard.readText()).toEqual(text);
   });