30 lines
634 B
JavaScript
30 lines
634 B
JavaScript
function checkFunc(dom, selector) {
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if (typeof dom.update === 'function') {
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const el = dom.update().find(selector);
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if (el.exists()) {
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return el;
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}
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return null;
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}
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const els = dom.querySelectorAll(selector);
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if (els.length !== 0) {
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return els;
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}
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return null;
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}
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export async function waitForSelection(dom, selector) {
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let numSleep = 0;
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for (;;) {
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const el = checkFunc(dom, selector);
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if (el) {
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return el;
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}
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if (numSleep > 2) {
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throw new Error(`could not find ${selector}`);
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}
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await new Promise(resolve => setTimeout(resolve, 250));
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numSleep += 1;
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}
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} |