first commit

2026-06-05 17:29:09 +05:30
commit b984b55bc0
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+// Maps browser KeyboardEvent.code values to Windows virtual-key codes.
+// Reference: https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
+
+const VK = {};
+
+// Letters (KeyA..KeyZ -> 0x41..0x5A)
+for (let i = 0; i < 26; i++) VK['Key' + String.fromCharCode(65 + i)] = 0x41 + i;
+// Top-row digits (Digit0..Digit9 -> 0x30..0x39)
+for (let i = 0; i <= 9; i++) VK['Digit' + i] = 0x30 + i;
+// Numpad digits
+for (let i = 0; i <= 9; i++) VK['Numpad' + i] = 0x60 + i;
+// Function keys
+for (let i = 1; i <= 24; i++) VK['F' + i] = 0x70 + (i - 1);
+
+Object.assign(VK, {
+  Escape: 0x1b,
+  Tab: 0x09,
+  CapsLock: 0x14,
+  ShiftLeft: 0xa0,
+  ShiftRight: 0xa1,
+  ControlLeft: 0xa2,
+  ControlRight: 0xa3,
+  AltLeft: 0xa4,
+  AltRight: 0xa5,
+  MetaLeft: 0x5b,
+  MetaRight: 0x5c,
+  ContextMenu: 0x5d,
+  Space: 0x20,
+  Enter: 0x0d,
+  NumpadEnter: 0x0d,
+  Backspace: 0x08,
+  Delete: 0x2e,
+  Insert: 0x2d,
+  Home: 0x24,
+  End: 0x23,
+  PageUp: 0x21,
+  PageDown: 0x22,
+  ArrowUp: 0x26,
+  ArrowDown: 0x28,
+  ArrowLeft: 0x25,
+  ArrowRight: 0x27,
+  PrintScreen: 0x2c,
+  ScrollLock: 0x91,
+  Pause: 0x13,
+  NumLock: 0x90,
+  // OEM punctuation (US layout)
+  Semicolon: 0xba,
+  Equal: 0xbb,
+  Comma: 0xbc,
+  Minus: 0xbd,
+  Period: 0xbe,
+  Slash: 0xbf,
+  Backquote: 0xc0,
+  BracketLeft: 0xdb,
+  Backslash: 0xdc,
+  BracketRight: 0xdd,
+  Quote: 0xde,
+  // Numpad operators
+  NumpadMultiply: 0x6a,
+  NumpadAdd: 0x6b,
+  NumpadSubtract: 0x6d,
+  NumpadDecimal: 0x6e,
+  NumpadDivide: 0x6f,
+});
+
+/** @param {string} code KeyboardEvent.code @returns {number|undefined} Windows VK code */
+function toVirtualKey(code) {
+  return VK[code];
+}
+
+module.exports = { toVirtualKey, VK };