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export var base = {
8: "Backspace",
9: "Tab",
10: "Enter",
12: "NumLock",
13: "Enter",
16: "Shift",
17: "Control",
18: "Alt",
20: "CapsLock",
27: "Escape",
32: " ",
33: "PageUp",
34: "PageDown",
35: "End",
36: "Home",
37: "ArrowLeft",
38: "ArrowUp",
39: "ArrowRight",
40: "ArrowDown",
44: "PrintScreen",
45: "Insert",
46: "Delete",
59: ";",
61: "=",
91: "Meta",
92: "Meta",
106: "*",
107: "+",
108: ",",
109: "-",
110: ".",
111: "/",
144: "NumLock",
145: "ScrollLock",
160: "Shift",
161: "Shift",
162: "Control",
163: "Control",
164: "Alt",
165: "Alt",
173: "-",
186: ";",
187: "=",
188: ",",
189: "-",
190: ".",
191: "/",
192: "`",
219: "[",
220: "\\",
221: "]",
222: "'"
}
export var shift = {
48: ")",
49: "!",
50: "@",
51: "#",
52: "$",
53: "%",
54: "^",
55: "&",
56: "*",
57: "(",
59: ":",
61: "+",
173: "_",
186: ":",
187: "+",
188: "<",
189: "_",
190: ">",
191: "?",
192: "~",
219: "{",
220: "|",
221: "}",
222: "\""
}
var mac = typeof navigator != "undefined" && /Mac/.test(navigator.platform)
var ie = typeof navigator != "undefined" && /MSIE \d|Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent)
// Fill in the digit keys
for (var i = 0; i < 10; i++) base[48 + i] = base[96 + i] = String(i)
// The function keys
for (var i = 1; i <= 24; i++) base[i + 111] = "F" + i
// And the alphabetic keys
for (var i = 65; i <= 90; i++) {
base[i] = String.fromCharCode(i + 32)
shift[i] = String.fromCharCode(i)
}
// For each code that doesn't have a shift-equivalent, copy the base name
for (var code in base) if (!shift.hasOwnProperty(code)) shift[code] = base[code]
export function keyName(event) {
// On macOS, keys held with Shift and Cmd don't reflect the effect of Shift in `.key`.
// On IE, shift effect is never included in `.key`.
var ignoreKey = mac && event.metaKey && event.shiftKey && !event.ctrlKey && !event.altKey ||
ie && event.shiftKey && event.key && event.key.length == 1 ||
event.key == "Unidentified"
var name = (!ignoreKey && event.key) ||
(event.shiftKey ? shift : base)[event.keyCode] ||
event.key || "Unidentified"
// Edge sometimes produces wrong names (Issue #3)
if (name == "Esc") name = "Escape"
if (name == "Del") name = "Delete"
// https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/8860571/
if (name == "Left") name = "ArrowLeft"
if (name == "Up") name = "ArrowUp"
if (name == "Right") name = "ArrowRight"
if (name == "Down") name = "ArrowDown"
return name
}
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