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docdiff

Evaluate the difference between two documents (objects)


Version published
Maintainers
1
Weekly downloads
11
increased by120%

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Source

docdiff

Simple tool for diff'ing two documents (objects)

Example

var docdiff = require('docdiff');

var original = {
  a: 1
};

var now = {
  a: 2
};

var diff = docdiff(original, now);

// diff:
//
// [
//   {
//     path: ['a'],
//     change: 'update',
//     type: 'primitive',
//     values: {
//       now: 2,
//       original: 1
//     }
//   }
// ]

Spec

docdiff will return an array of changes, each change will comprise of the following:

  • path [array] An array of object keys that lead to the value described in this change, for example the changed value at { a: { b: 2 } } would have the path [a, b]
  • change [string] One of: add, update or remove
  • type [string] One of primitive, primitiveArray (array of primitives), documentArray (array of objects) or mixedArray
  • values [object]:
  • now [mixed] The new value (undefined for type remove)
  • original [mixed] The original value (undefined for type add)
  • added [array] Array of elements added (undefined for anything other than primitiveArray)
  • removed [array] Array of elements removed (undefined for anything other than primitiveArray)

Author

Thom Seddon

License

Copyright (c) 2013-present Thom Seddon

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Last updated on 17 Dec 2013

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