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46 lines
1.2 KiB
46 lines
1.2 KiB
3 years ago
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# JSON Pointer for Node.js
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This is an implementation of [JSON Pointer](https://tools.ietf.org/html/rfc6901).
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## CLI
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Looking to filter JSON from the command line? Check out [jsonpointer-cli](https://github.com/joeyespo/jsonpointer-cli).
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## Usage
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```javascript
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var jsonpointer = require('jsonpointer');
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var obj = { foo: 1, bar: { baz: 2}, qux: [3, 4, 5]};
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jsonpointer.get(obj, '/foo'); // returns 1
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jsonpointer.get(obj, '/bar/baz'); // returns 2
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jsonpointer.get(obj, '/qux/0'); // returns 3
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jsonpointer.get(obj, '/qux/1'); // returns 4
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jsonpointer.get(obj, '/qux/2'); // returns 5
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jsonpointer.get(obj, '/quo'); // returns undefined
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jsonpointer.set(obj, '/foo', 6); // sets obj.foo = 6;
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jsonpointer.set(obj, '/qux/-', 6) // sets obj.qux = [3, 4, 5, 6]
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var pointer = jsonpointer.compile('/foo')
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pointer.get(obj) // returns 1
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pointer.set(obj, 1) // sets obj.foo = 1
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```
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## Testing
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$ npm test
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All tests pass.
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$
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[](https://github.com/janl/node-jsonpointer/actions/workflows/node.js.yml)
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## Author
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(c) 2011-2021 Jan Lehnardt <jan@apache.org> & Marc Bachmann <https://github.com/marcbachmann>
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Thanks to all contributors.
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## License
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MIT License.
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