graphql-compose-mongoose/node8/resolvers/helpers/record.js

Plugin for `graphql-compose` which derive a graphql types from a mongoose model.

'use strict';

exports.__esModule = true;
const recordHelperArgs = exports.recordHelperArgs = (tc, opts) => {
  if (!tc || tc.constructor.name !== 'TypeComposer') {
    throw new Error('First arg for recordHelperArgs() should be instance of TypeComposer.');
  }

  if (!opts || !opts.recordTypeName) {
    throw new Error('You should provide non-empty `recordTypeName` in options.');
  }

  const recordTypeName = opts.recordTypeName;

  let recordITC;
  const schemaComposer = tc.constructor.schemaComposer;
  if (schemaComposer.hasInstance(recordTypeName, schemaComposer.InputTypeComposer)) {
    recordITC = schemaComposer.getITC(recordTypeName);
  } else {
    recordITC = tc.getInputTypeComposer().clone(recordTypeName);
  }

  if (opts && opts.removeFields) {
    recordITC.removeField(opts.removeFields);
  }

  if (opts && opts.requiredFields) {
    recordITC.makeRequired(opts.requiredFields);
  }

  return {
    record: {
      type: opts.isRequired ? recordITC.getTypeNonNull() : recordITC.getType()
    }
  };
};