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ajax: add json detection #397

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Merged
patrikjuvonen merged 1 commit into from
Dec 29, 2022
Merged

ajax: add json detection #397

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14 changes: 13 additions & 1 deletion [web]/ajax/ajax.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,15 @@ function decode( uri ) {
return uri;
}

// Check data is JSON
function isJSON(str) {
try {
JSON.parse(str);
} catch (e) {
return false;
}
return true;
}

function AJAXRequest( method, url, data, process, async, dosend) {
var self = this;
Expand Down Expand Up @@ -84,7 +93,7 @@ function AJAXRequest( method, url, data, process, async, dosend) {
}

self.AJAX.open(method, url, async);

if (method == "POST") {
//self.AJAX.setRequestHeader("Connection", "close"); // seems to cause issues in IE
self.AJAX.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
Expand All @@ -96,6 +105,9 @@ function AJAXRequest( method, url, data, process, async, dosend) {
// you'd do this to set special request headers
if ( dosend || typeof dosend == 'undefined' ) {
if ( !data ) data="";
if (method == "POST" && isJSON(data)) // change content type
self.AJAX.setRequestHeader("Content-Type", "application/json");

self.AJAX.send(data);
}
return self.AJAX;
Expand Down