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