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Support XMLHttpRequest errors #97

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Support XMLHttpRequest errors #97

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2 changes: 1 addition & 1 deletion background.js
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ function handleErrorsRequest(data, sender, sendResponse) {
}
error.type = 'File not found';
error.text = error.url;
popupErrors.unshift('File not found: ' + htmlentities(error.url));
popupErrors.unshift('Failed to load: ' + htmlentities(error.url));
}
else {
error.text = error.text.replace(/^Uncaught /, '').replace(/^Error: /, '');
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19 changes: 19 additions & 0 deletions content.js
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,25 @@ new function() {
}));
}
}, true);

// handle 404 errors from xhr
XMLHttpRequest.prototype.jse__open = XMLHttpRequest.prototype.open
XMLHttpRequest.prototype.jse__onload = function(e) {
if (this.status >= 400) {
document.dispatchEvent(new CustomEvent('ErrorToExtension', {
detail: {
is404: true,
url: this.jse__url
}
}));
}
};
XMLHttpRequest.prototype.open = function(m, u, a) {
this.jse__url = u
this.addEventListener('load', this.jse__onload, { once : true });
return this.jse__open(m, u, a);
};

}

var script = document.createElement('script');
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