graphql-hash

Generate a deterministic hash of a GraphQL query for caching and persisted queries

Install

npm install graphql-hash

Usage

import graphqlHash from 'graphql-hash';

graphqlHash('{ user { name } }');
//=> 'e3b0c44298fc1c14...'

// Whitespace and comments don't affect the hash
graphqlHash(`
	# Fetch user
	{
		user {
			name
		}
	}
`);
//=> 'e3b0c44298fc1c14...' (same hash)

API

graphqlHash(query, options?)

Returns a hex-encoded hash string.

query

Type: string

The GraphQL query string.

options

Type: object

algorithm

Type: string
Default: 'sha256'

The hash algorithm to use. Any algorithm supported by node:crypto can be used.

normalizeQuery(query)

Returns a normalized string with comments stripped, whitespace collapsed, and spaces removed around structural characters.

query

Type: string

The GraphQL query string to normalize.

Related

• error-serialize - Serialize and deserialize Error objects

License

MIT