Package Exports

json-schema-traverse

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Readme

json-schema-traverse

Traverse JSON Schema passing each schema object to callback

Install

npm install json-schema-traverse

Usage

const traverse = require('json-schema-traverse');
const schema = {
  properties: {
    foo: {type: 'string'},
    bar: {type: 'integer'}
  }
}

traverse(schema, cb);
// cb is called 3 times with:
// 1. root schema
// 2. {type: 'string'}
// 3. {type: 'integer'}

Callback function is called for each schema object (not including draft-06 boolean schemas), including the root schema. Schema references ($ref) are not resolved, they are passed as is.

Callback is passed these parameters:

schema: the current schema object
JSON pointer: from the root schema to the current schema object
root schema: the schema passed to traverse object
parent JSON pointer: from the root schema to the parent schema object (see below)
parent keyword: the keyword inside which this schema appears (e.g. properties, anyOf, etc.)
parent schema: not necessarily parent object/array; in the example above the parent schema for {type: 'string'} is the root schema
index/property: index or property name in the array/object containing multiple schemas; in the example above for {type: 'string'} the property name is 'foo'

License

MIT