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40 lines
672 B
JavaScript
40 lines
672 B
JavaScript
module.exports = {
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bindKey(element, key, handler) {
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element.addEventListener('keydown', (e) => {
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if (key === this.getKey(e)) {
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handler(e);
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}
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})
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},
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getKey(e) {
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var keycode = e.keyCode || e.which;
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var key = this.keyMap[keycode] || String.fromCharCode(keycode);
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if(e.ctrlKey || e.metaKey) {
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// add ctrl+ the key
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key = 'ctrl+' + key;
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}
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if(e.shiftKey) {
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// add ctrl+ the key
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key = 'shift+' + key;
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}
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return key.toLowerCase();
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},
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keyMap: {
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8: 'backspace',
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9: 'tab',
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13: 'enter',
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16: 'shift',
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17: 'ctrl',
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91: 'meta',
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18: 'alt',
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27: 'escape',
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37: 'left',
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39: 'right',
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38: 'up',
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40: 'down',
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32: 'space'
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},
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} |