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34 lines
928 B
JavaScript
34 lines
928 B
JavaScript
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class CustomCheckbox {
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constructor(elem) {
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this.elem = elem;
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this.checkbox = elem.querySelector('input[type=checkbox]');
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this.display = elem.querySelector('[role="checkbox"]');
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this.checkbox.addEventListener('change', this.stateChange.bind(this));
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this.elem.addEventListener('keydown', this.onKeyDown.bind(this));
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}
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onKeyDown(event) {
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const isEnterOrPress = event.keyCode === 32 || event.keyCode === 13;
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if (isEnterOrPress) {
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event.preventDefault();
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this.toggle();
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}
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}
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toggle() {
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this.checkbox.checked = !this.checkbox.checked;
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this.checkbox.dispatchEvent(new Event('change'));
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this.stateChange();
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}
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stateChange() {
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const checked = this.checkbox.checked ? 'true' : 'false';
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this.display.setAttribute('aria-checked', checked);
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}
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}
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export default CustomCheckbox; |