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// Wait for a blob URL to be posted to this worker.
// Obtain the blob, and read the string contained in it.
// Post back the string.
var postStringInBlob = function (blobObject) {
var fileReader = new FileReaderSync();
var result = fileReader.readAsText(blobObject);
postMessage(result);
};
self.addEventListener("message", function (e) {
if ("error" in e.data) {
postMessage(e.data);
return;
}
var blobURL = e.data.blobURL,
xhr = new XMLHttpRequest();
try {
xhr.open("GET", blobURL, true);
xhr.onload = function () {
postStringInBlob(xhr.response);
};
xhr.onerror = function () {
postMessage({ error: "xhr error" });
};
xhr.responseType = "blob";
xhr.send();
} catch (e) {
postMessage({ error: e.message });
}
}, false);
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