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/**
* Any copyright is dedicated to the Public Domain.
*/
var xhr = new XMLHttpRequest();
function onload(event) {
if (event.target != xhr) {
throw new Error("onload event.target != xhr");
}
if (event.target.status != 200) {
const message = { type: "error", error: event.target.status };
postMessage(message);
}
const message = { type: "load", data: xhr.responseText };
postMessage(message);
}
xhr.onload = onload;
xhr.addEventListener("load", onload);
xhr.removeEventListener("load", onload);
if (!xhr.onload) {
const message = { type: "error", error: "Lost message listener!" };
postMessage(message);
}
xhr.onerror = function (event) {
if (event.target != xhr) {
throw new Error("onerror event.target != xhr");
}
var message = { type: "error", error: event.target.status };
postMessage(message);
};
// eslint-disable-next-line no-self-assign
xhr.onerror = xhr.onerror;
// eslint-disable-next-line no-self-compare
if (!xhr.onerror || xhr.onerror != xhr.onerror) {
throw new Error("onerror wasn't set properly");
}
function onprogress(event) {
if (event.target != xhr) {
throw new Error("onprogress event.target != xhr");
}
const message = {
type: "progress",
current: event.loaded,
total: event.total,
};
postMessage(message);
}
xhr.addEventListener("progress", onprogress);
xhr.addEventListener("foopety", function () {});
xhr.removeEventListener("doopety", function () {});
xhr.onloadend = function () {
const message = { type: "loadend" };
postMessage(message);
};
var upload = xhr.upload;
upload.onprogress = function () {};
upload.addEventListener("foo", function () {});
upload.removeEventListener("foo", function () {});
upload.addEventListener("load", function () {});
upload.removeEventListener("foo", function () {});
upload.onload = function () {
const message = { type: "upload.load" };
postMessage(message);
};
onmessage = function (event) {
if (xhr.DONE != 4 || XMLHttpRequest.DONE != 4) {
throw new Error("xhr constants not correct!");
}
if (xhr.readystate > xhr.UNSENT) {
throw new Error("XHR already running!");
}
xhr.open("POST", event.data);
xhr.send("Data to send");
};