source: trip-planner-front/node_modules/json-stringify-safe/README.md@ 6fe77af

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1# json-stringify-safe
2
3Like JSON.stringify, but doesn't throw on circular references.
4
5## Usage
6
7Takes the same arguments as `JSON.stringify`.
8
9```javascript
10var stringify = require('json-stringify-safe');
11var circularObj = {};
12circularObj.circularRef = circularObj;
13circularObj.list = [ circularObj, circularObj ];
14console.log(stringify(circularObj, null, 2));
15```
16
17Output:
18
19```json
20{
21 "circularRef": "[Circular]",
22 "list": [
23 "[Circular]",
24 "[Circular]"
25 ]
26}
27```
28
29## Details
30
31```
32stringify(obj, serializer, indent, decycler)
33```
34
35The first three arguments are the same as to JSON.stringify. The last
36is an argument that's only used when the object has been seen already.
37
38The default `decycler` function returns the string `'[Circular]'`.
39If, for example, you pass in `function(k,v){}` (return nothing) then it
40will prune cycles. If you pass in `function(k,v){ return {foo: 'bar'}}`,
41then cyclical objects will always be represented as `{"foo":"bar"}` in
42the result.
43
44```
45stringify.getSerialize(serializer, decycler)
46```
47
48Returns a serializer that can be used elsewhere. This is the actual
49function that's passed to JSON.stringify.
50
51**Note** that the function returned from `getSerialize` is stateful for now, so
52do **not** use it more than once.
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