On 2018-03-16 18:04, Mike Samuel wrote:
It is entirely unsuitable to embedding in HTML or XML though.
IIUC, with an implementation based on this
JSON.canonicalize(JSON.stringify("</script>")) === `"</script>"` &&
JSON.canonicalize(JSON.stringify("]]>")) === `"]]>"`
I don't know what you are trying to prove here :-)
The output of JSON.canonicalize would also not be in the subset of JSON that is
also a subset of JavaScript's PrimaryExpression.
JSON.canonicalize(JSON.stringify("\u2028\u2029")) === `"\u2028\u2029"`
It also is not suitable for use internally within systems that internally use
cstrings.
JSON.canonicalize(JSON.stringify("\u0000")) === `"\u0000"`
JSON.canonicalize() would be [almost] identical to JSON.stringify()
JSON.canonicalize(JSON.parse('"\u2028\u2029"')) === '"\u2028\u2029"' //
Returns true
"Emulator":
var canonicalize = function(object) {
var buffer = '';
serialize(object);
return buffer;
function serialize(object) {
if (object !== null && typeof object === 'object') {
if (Array.isArray(object)) {
buffer += '[';
let next = false;
object.forEach((element) => {
if (next) {
buffer += ',';
}
next = true;
serialize(element);
});
buffer += ']';
} else {
buffer += '{';
let next = false;
Object.keys(object).sort().forEach((property) => {
if (next) {
buffer += ',';
}
next = true;
buffer += JSON.stringify(property);
buffer += ':';
serialize(object[property]);
});
buffer += '}';
}
} else {
buffer += JSON.stringify(object);
}
}
};
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