@apollo-elements/lib

Helper functions for Apollo Elements

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createApolloClient

Creates a simple ApolloClient instance given a URI and some params.

createApolloClient({
  uri: '/graphql',
  typePolicies: {
    User: {
      fields: {
        fullName(_, { readField }) {
          return `${readField('firstName')} ${readField('lastName')}`;
        }
      }
    }
  }
});

hasAllVariables

Predicate that validates a GraphQL request (a DocumentNode and a variables object) as having all of its required (i.e. non-nullable) variables defined.

function hasAllVariables(params: { query: DocumentNode, variables: any }): boolean

isClientOperation

Predicate that validates a DocumentNode as being an exclusively client-side operation, i.e. all of it's requests are modified by a @client directive.

function isClientOperation(operation: Operation): boolean

isValidGql

Predicate that validates an object as a DocumentNode.

function isValidGql(document: DocumentNode | any): boolean