34 lines
862 B
Plaintext
34 lines
862 B
Plaintext
const BLACKLIST = ['template', 'script', 'style'];
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function isHidable(node) {
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return node.nodeType === 1 && BLACKLIST.indexOf(node.tagName.toLowerCase()) === -1;
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}
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function siblings(container, mount, callback) {
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mount = [].concat(mount); // eslint-disable-line no-param-reassign
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[].forEach.call(container.children, node => {
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if (mount.indexOf(node) === -1 && isHidable(node)) {
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callback(node);
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}
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});
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}
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export function ariaHidden(show, node) {
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if (!node) {
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return;
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}
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if (show) {
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node.setAttribute('aria-hidden', 'true');
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} else {
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node.removeAttribute('aria-hidden');
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}
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}
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export function hideSiblings(container, mountNode) {
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siblings(container, mountNode, node => ariaHidden(true, node));
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}
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export function showSiblings(container, mountNode) {
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siblings(container, mountNode, node => ariaHidden(false, node));
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}
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