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8782564ddf
* Add support for standard-compliant placeholder option * Bump version and rebuild files
45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
import WrappedElement from './wrapped-element';
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export default class WrappedSelect extends WrappedElement {
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constructor({ element, classNames, template }) {
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super({ element, classNames });
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this.template = template;
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}
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get placeholderOption() {
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return (
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this.element.querySelector('option[value=""]') ||
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// Backward compatibility layer for the non-standard placeholder attribute supported in older versions.
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this.element.querySelector('option[placeholder]')
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);
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}
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get optionGroups() {
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return Array.from(this.element.getElementsByTagName('OPTGROUP'));
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}
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get options() {
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return Array.from(this.element.options);
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}
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set options(options) {
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const fragment = document.createDocumentFragment();
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const addOptionToFragment = data => {
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// Create a standard select option
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const option = this.template(data);
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// Append it to fragment
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fragment.appendChild(option);
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};
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// Add each list item to list
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options.forEach(optionData => addOptionToFragment(optionData));
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this.appendDocFragment(fragment);
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}
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appendDocFragment(fragment) {
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this.element.innerHTML = '';
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this.element.appendChild(fragment);
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}
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}
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