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37 lines
1002 B
Markdown
37 lines
1002 B
Markdown
# Circular
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Tiny utility to safely stringify objects with circular references.
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## Usage
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Replace all circular references with the string `[Circular]`;
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```javascript
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var circular = require('circular');
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var obj = {}; var child = {parent: obj}; obj.child = child;
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var str = JSON.stringify(obj, circular());
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// => {"child":{"parent":"[Circular]"}}
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```
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If you prefer you can pass an alternative string to use:
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```javascript
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var str = JSON.stringify(obj, circular('#ref'));
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```
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Or a function that returns a string:
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```javascript
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function ref(value){return '' + value};
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var str = JSON.stringify(obj, circular(ref));
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```
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As of version `1.0.4` you can also pass an additional boolean that will convert function references to strings, useful for converting javascript modules to `couchdb` design documents.
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```javascript
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var str = JSON.stringify(obj, circular(null, true));
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```
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## License
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Everything is [MIT](http://en.wikipedia.org/wiki/MIT_License). Read the [license](/LICENSE) if you feel inclined.
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