Fix error on JSON request with certain unicode chars

[colxi]

When any of the values represented inside the Object being stringified, contain some UNICODE characters, produces the return of the following Error:
{message : "Invalid request body - JSON parse error", type : "invalid_json"}

The proposed patch, converts each string char to its (Hex) Unicode representation
An example, using a Spanish word -with a conflictive accent mark in the 'o'- :
"Atención" => "\u0041\u0074\u0065\u006e\u0063\u0069\u00f3\u006e"
The proposed disambiguation prevents the unexpected error on the request sending.

(addition in line 44 of databox.js)
jsonData = jsonData.replace(/[\u007F-\uFFFF]/g, function(chr) {
return "\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4);
});

[colxi]

I updated my fix, with a better approach, where the explicit UTF-8 encoding is only applied to the value of the attributes.
However i consider , the whole JSON request should be encoded with UTF-8, according to the internationalization standards, it should be done using lower level mechanisms, not via scripting.

Issue : #7

[colxi]

No movement arround this?

[VladaPetrovic]

Sorry I haven't had much time for this. I'll definitely have more time this week to look into it.