50 lines
1.2 KiB
TypeScript
50 lines
1.2 KiB
TypeScript
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/**
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* Reqzests iframe parent hostname
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* @returns
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*/
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export async function getIframeParentHost(): Promise<string> {
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return new Promise<any>((resolve) => {
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let resolved = false;
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let resendInterval;
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function handleMessage(event) {
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if (event.data.action === 'uw-parent-hostname') {
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resolved = true;
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clearInterval(resendInterval);
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window.removeEventListener('message', handleMessage);
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resolve(event.data.hostname);
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}
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}
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window.addEventListener('message', handleMessage);
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resendInterval = setInterval(
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() => {
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if (!resolved) {
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window.parent.postMessage(
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{ action: 'uw-get-parent-hostname' },
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'*'
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);
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}
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},
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500
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);
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});
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}
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function handleMessage(event) {
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if (event.data.action === 'uw-get-parent-hostname') {
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event.source.postMessage(
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{action: 'uw-parent-hostname', hostname: window.location.hostname},
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'*' as any
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)
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}
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}
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export async function setupHostnameReporting() {
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window.removeEventListener('message', handleMessage); // setupHostnameReporting may run more than once
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window.addEventListener('message', handleMessage);
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}
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