json-schema-compare

Compare json schemas smarter.

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json-schema-compare Build Status Coverage Status
Compare json schemas correctly

npm install json-schema-compare --save

var compare = require('json-schema-compare')

var isEqual = compare({
  title: 'title 1',
  type: ['object'],
  uniqueItems: false,
  dependencies: {
    name: ['age', 'lastName']
  },
  required: ['name', 'age', 'name']
}, {
  title: 'title 2',
  type: 'object',
  required: ['age', 'name'],
  dependencies: {
    name: ['lastName', 'age']
  },
  properties: {
    name: {
      minLength: 0
    }
  }
}, {
  ignore: ['title']
})

console.log(isEqual) // => true

Compare json schemas correctly.
  • Ignores sort for arrays where sort does not matter, like required, enum, type, anyOf, oneOf, anyOf, dependencies (if array)
  • Compares correctly type when array or string
  • Ignores duplicate values before comparing
  • For schemas and sub schemas undefined, true and {} are equal
  • For minLength, minItems and minProperties undefined and 0 are equal
  • For uniqueItems, undefined and false are equal

Options

ignore array - default: []
Ignores certain keywords, useful to exclude meta keywords like title, description etc or custom keywords. If all you want to know if they are the same in terms of validation keywords.

Contributing

Create tests for new functionality and follow the eslint rules.

License

MIT © Martin Hansen