Type Alias JMESPathParsingOptions

JMESPathParsingOptions: { customFunctions?: Functions }

Options for parsing.

You can use this type to customize the parsing of JMESPath expressions.

For example, you can use this type to provide custom functions to the parser.

Type declaration

OptionalcustomFunctions?: Functions
The custom functions to use.

By default, the interpreter uses the standard JMESPath functions available in the JMESPath specification.

Example

import { search } from '@aws-lambda-powertools/jmespath';
import { PowertoolsFunctions } from '@aws-lambda-powertools/jmespath/functions';

const expression = 'powertools_json(@)';

const result = search(expression, "{\n  \"a\": 1\n}", {
  customFunctions: new PowertoolsFunctions(),
});
console.log(result); // { a: 1 }