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add version string to package requests #3

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Merged
JohnMcLear merged 1 commit into from
Mar 19, 2021
Merged

add version string to package requests #3

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17 changes: 17 additions & 0 deletions kernel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -266,7 +266,24 @@
return xmlhttp;
}

let randomVersionString;
const getRandomVersionString = () => {
if (randomVersionString) return randomVersionString;

let win = window;
while (win !== window.top) {
win = win.parent;
if (win.clientVars) {
randomVersionString = win.clientVars.randomVersionString;
return randomVersionString;
}
}
};

function getXHR(uri, async, callback, request) {
if (getRandomVersionString()) {
uri = uri + `&v=${getRandomVersionString()}`;
}
var request = request || createXMLHTTPObject();
if (!request) {
throw new Error("Error making remote request.")
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