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var stringify = require('./stringify.js');
var circularObj = { a: 'b' };
circularObj.circularRef = circularObj;
circularObj.list = [ circularObj, circularObj ];
//////////
// default
var testObj = {
"a": "b",
"circularRef": "[Circular]",
"list": [
"[Circular]",
"[Circular]"
]
};
var assert = require('assert');
assert.equal(JSON.stringify(testObj, null, 2),
stringify(circularObj, null, 2));
assert.equal(JSON.stringify(testObj, null, 2),
JSON.stringify(circularObj, stringify.getSerialize(), 2));
////////
// prune
testObj = {
"a": "b",
"list": [
null,
null
]
};
function prune(k, v) {}
assert.equal(JSON.stringify(testObj, null, 2),
stringify(circularObj, null, 2, prune));
///////////
// re-cycle
// (throws)
function recycle(k, v) {
return v;
}
assert.throws(function() {
stringify(circularObj, null, 2, recycle);
});
////////
// fancy
testObj = {
"a": "b",
"circularRef": "circularRef{a:string,circularRef:Object,list:Array}",
"list": [
"0{a:string,circularRef:Object,list:Array}",
"1{a:string,circularRef:Object,list:Array}"
]
};
function signer(key, value) {
var ret = key + '{';
var f = false;
for (var i in value) {
if (f)
ret += ',';
f = true;
ret += i + ':';
var v = value[i];
switch (typeof v) {
case 'object':
if (!v)
ret += 'null';
else if (Array.isArray(v))
ret += 'Array'
else
ret += v.constructor && v.constructor.name || 'Object';
break;
default:
ret += typeof v;
break;
}
}
ret += '}';
return ret;
}
assert.equal(JSON.stringify(testObj, null, 2),
stringify(circularObj, null, 2, signer));
////////
// pass!
console.log('ok');
|
