graphql-mocks/es/graphql/utils/create-schema.js

Tools for setting up graphql test resolvers

import { isSchema, buildASTSchema, buildSchema } from 'graphql';
import { copySchema } from './copy-schema.js';

function createSchema(schema) {
  if (isSchema(schema)) return copySchema(schema);

  if (typeof schema === 'object' && schema.kind === 'Document') {
    try {
      return buildASTSchema(schema);
    } catch (error) {
      throw new Error('Unable to build a schema from the AST Schema passed into the `graphqlSchema` dependency. Failed with error:\n\n' + error.message);
    }
  }

  if (typeof schema === 'string') {
    try {
      return buildSchema(schema);
    } catch (error) {
      throw new Error('Unable to build a schema from the string passed into the `graphqlSchema` dependency. Failed with error:\n\n' + error.message);
    }
  }

  throw new Error('Unable to build schema, pass in an instance of schema or a string');
}

export { createSchema };
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