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json-schema-traverse

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json-schema-traverse

Traverse JSON Schema passing each schema object to callback


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What is json-schema-traverse?

The json-schema-traverse package is used to traverse and process JSON Schemas. It allows you to visit every schema node to analyze or modify the schema. This can be useful for schema analysis, transformation, and enhancement.

What are json-schema-traverse's main functionalities?

Traversing a JSON Schema

This feature allows you to traverse a JSON Schema and execute a callback function at each node. The callback receives information about the current schema node, its path, and its context within the overall schema.

{"schema": {"type": "object", "properties": {"foo": {"type": "string"}, "bar": {"type": "number"}}}, "callback": "(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) => { console.log('Traversing:', jsonPtr); }"}

Modifying a JSON Schema during traversal

This feature allows you to modify the schema nodes during traversal. For example, you can add constraints like 'minLength' to string properties.

{"schema": {"type": "object", "properties": {"foo": {"type": "string"}, "bar": {"type": "number"}}}, "callback": "(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) => { if (schema.type === 'string') { schema.minLength = 1; } }"}

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Package last updated on 10 Jun 2018

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