json-schema-traverse
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Traverse JSON Schema passing each schema object to callback
npm install json-schema-traverse
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'}
// Or:
traverse(schema, {cb: {pre, post}});
// pre is called 3 times with:
// 1. root schema
// 2. {type: 'string'}
// 3. {type: 'integer'}
//
// post is called 3 times with:
// 1. {type: 'string'}
// 2. {type: 'integer'}
// 3. root schema
Callback function cb
is called for each schema object (not including draft-06 boolean schemas), including the root schema, in pre-order traversal. Schema references ($ref) are not resolved, they are passed as is. Alternatively, you can pass a {pre, post}
object as cb
, and then pre
will be called before traversing child elements, and post
will be called after all child elements have been traversed.
Callback is passed these parameters:
traverse
objectproperties
, anyOf
, etc.){type: 'string'}
is the root schema{type: 'string'}
the property name is 'foo'
const traverse = require('json-schema-traverse');
const schema = {
mySchema: {
minimum: 1,
maximum: 2
}
};
traverse(schema, {allKeys: true, cb});
// cb is called 2 times with:
// 1. root schema
// 2. mySchema
Without option allKeys: true
callback will be called only with root schema.
json-schema-traverse package is a part of Tidelift enterprise subscription - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers.
To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues.
FAQs
Traverse JSON Schema passing each schema object to callback
The npm package json-schema-traverse receives a total of 64,904,612 weekly downloads. As such, json-schema-traverse popularity was classified as popular.
We found that json-schema-traverse demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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