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if Prototype is loaded, remove its Array.toJSON #18

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if Prototype is loaded, remove its Array.toJSON #18

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ef3dc3d
if Prototype is loaded, remove its Array.toJSON which flattens arrays…
edsu Aug 22, 2013
e9caa88
temporarily remove Prototype's Array.toJSON to address @csillag's con…
edsu Aug 22, 2013
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15 changes: 15 additions & 0 deletions src/jschannel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,21 @@
if (!window.JSON || !window.JSON.stringify || ! window.JSON.parse) {
throw("jschannel cannot run this browser, no JSON parsing/serialization");
}
if (window.Prototype) {
// Some versions of Prototype ship with a broken Array.toJSON
// which flattens arrays into strings! Since we have a working
// JSON.stringify we can safely remove it.
// See: http://stackoverflow.com/questions/710586/json-stringify-bizarreness
console.log("patching Prototype's faulty Array.toJSON")
var stringify = window.JSON.stringify;
window.JSON.stringify = function(value) {
var _array_tojson = Array.prototype.toJSON;
delete Array.prototype.toJSON;
var r = stringify(value);
Array.prototype.toJSON = _array_tojson;
return r;
}
}

/* basic argument validation */
if (typeof cfg != 'object') throw("Channel build invoked without a proper object argument");
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