52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
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export function getMetaValue(name) {
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const element = findElement(document.head, `meta[name="${name}"]`);
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if (element) {
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return element.getAttribute('content');
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}
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}
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export function findElements(root, selector) {
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if (typeof root == 'string') {
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selector = root;
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root = document;
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}
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const elements = root.querySelectorAll(selector);
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return toArray(elements);
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}
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export function findElement(root, selector) {
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if (typeof root == 'string') {
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selector = root;
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root = document;
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}
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return root.querySelector(selector);
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}
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export function dispatchEvent(element, type, eventInit = {}) {
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const { disabled } = element;
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const { bubbles, cancelable, detail } = eventInit;
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const event = document.createEvent('Event');
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event.initEvent(type, bubbles || true, cancelable || true);
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event.detail = detail || {};
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try {
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element.disabled = false;
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element.dispatchEvent(event);
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} finally {
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element.disabled = disabled;
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}
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return event;
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}
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export function toArray(value) {
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if (Array.isArray(value)) {
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return value;
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} else if (Array.from) {
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return Array.from(value);
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} else {
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return [].slice.call(value);
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}
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}
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