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export default searchInput => {
// Keyboard Events
if (searchInput && typeof searchInput === 'object') {
const hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;
if (hasKeyCode) {
searchInput = hasKeyCode;
}
}
// Numbers
// if (typeof searchInput === 'number') {
// return names[searchInput]
// }
// Everything else (cast to string)
const search = String(searchInput);
// check codes
const foundNamedKeyCodes = codes[search.toLowerCase()];
if (foundNamedKeyCodes) {
return foundNamedKeyCodes;
}
// check aliases
const foundNamedKeyAliases = aliases[search.toLowerCase()];
if (foundNamedKeyAliases) {
return foundNamedKeyAliases;
}
// weird character?
if (search.length === 1) {
return search.charCodeAt(0);
}
return undefined;
};
/**
* Get by name
*
* exports.code['enter'] // => 13
*/
export const codes = {
'backspace': 8,
'tab': 9,
'enter': 13,
'shift': 16,
'ctrl': 17,
'alt': 18,
'pause/break': 19,
'caps lock': 20,
'esc': 27,
'space': 32,
'page up': 33,
'page down': 34,
'end': 35,
'home': 36,
'left': 37,
'up': 38,
'right': 39,
'down': 40,
// 'add': 43,
'insert': 45,
'delete': 46,
'command': 91,
'left command': 91,
'right command': 93,
'numpad *': 106,
// 'numpad +': 107,
'numpad +': 43,
'numpad add': 43, // as a trick
'numpad -': 109,
'numpad .': 110,
'numpad /': 111,
'num lock': 144,
'scroll lock': 145,
'my computer': 182,
'my calculator': 183,
';': 186,
'=': 187,
',': 188,
'-': 189,
'.': 190,
'/': 191,
'`': 192,
'[': 219,
'\\': 220,
']': 221,
"'": 222
};
// Helper aliases
export const aliases = {
'windows': 91,
'⇧': 16,
'⌥': 18,
'⌃': 17,
'⌘': 91,
'ctl': 17,
'control': 17,
'option': 18,
'pause': 19,
'break': 19,
'caps': 20,
'return': 13,
'escape': 27,
'spc': 32,
'pgup': 33,
'pgdn': 34,
'ins': 45,
'del': 46,
'cmd': 91
};
/*!
* Programatically add the following
*/
// lower case chars
for (let i = 97; i < 123; i++) {
codes[String.fromCharCode(i)] = i - 32;
}
// numbers
for (let i = 48; i < 58; i++) {
codes[i - 48] = i;
}
// function keys
for (let i = 1; i < 13; i++) {
codes['f' + i] = i + 111;
}
// numpad keys
for (let i = 0; i < 10; i++) {
codes['numpad ' + i] = i + 96;
}
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