Go back to the original tab and try again
`;
const windowToBlobMap = new WeakMap();
class Preview {
constructor () {
const preview = getPreviewSource();
// Safari does not let file: URIs used by standalone version to open blob: URIs
// The desktop app just doesn't support windows loaded from blobs
const canUseBlobWindow = !(isStandalone && isSafari) && typeof IsDesktop === 'undefined';
if (canUseBlobWindow) {
const url = URL.createObjectURL(new Blob([preview], {
type: 'text/html'
})) + '#do-not-share-this-link-it-will-not-work-for-others';
this.window = window.open(url);
} else {
this.window = window.open('about:blank');
if (this.window) {
this.window.document.write(preview);
}
}
if (!this.window) {
throw new Error('Cannot open popup');
}
}
setContent (content) {
windowToBlobMap.set(this.window, content);
this.window.postMessage({
blob: content
}, origin);
}
setProgress (progress, text) {
this.window.postMessage({
progress,
text
}, origin);
}
close () {
this.window.close();
}
}
window.addEventListener('message', (e) => {
if (origin !== '*' && e.origin !== location.origin) {
return;
}
const data = e.data;
if (data && data.preview === 'hello') {
const source = e.source;
const blob = windowToBlobMap.get(source);
if (blob) {
source.postMessage({
blob
}, origin);
}
}
});
export default Preview;