graphql-mocks/wrapper/log.js

Tools for setting up graphql test resolvers

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});

require('graphql');

var constants = require('../resolver/constants.js');

var createWrapper = require('../resolver/create-wrapper.js');

var isFieldResolver = require('../resolver/utils/is-field-resolver.js');

var isTypeResolver = require('../resolver/utils/is-type-resolver.js');

const logWrapper = createWrapper.createWrapper('log-wrapper', constants.WrapperFor.ANY, async function (originalResolver, options) {
  const {
    type,
    field
  } = options;

  if (isFieldResolver.isFieldResolver(options.type, originalResolver)) {
    const resolver = async function (parent, args, context, info) {
      const [parentOut, argsOut] = [parent, args].map(out => {
        try {
          return JSON.stringify(out, null, 2);
        } catch {
          return 'Unable to JSON.stringify';
        }
      });
      console.log(`--- START: field resolver on ${type.name}.${field === null || field === void 0 ? void 0 : field.name} ---`);
      console.log('');
      console.log(`parent:`);
      console.log(parentOut);
      console.log('');
      console.log('args:');
      console.log(argsOut);
      console.log('');
      const result = await originalResolver(parent, args, context, info);
      const resultOut = JSON.stringify(result, null, 2);
      console.log('result:');
      console.log(resultOut);
      console.log('');
      console.log(`--- END: field resolver on ${type.name}.${field === null || field === void 0 ? void 0 : field.name} ---`);
      return result;
    };

    return resolver;
  }

  if (isTypeResolver.isTypeResolver(options.type, originalResolver)) {
    const resolver = async (value, context, info, abstractType) => {
      const [valueOut] = [value].map(out => {
        try {
          return JSON.stringify(out, null, 2);
        } catch {
          return 'Unable to JSON.stringify';
        }
      });
      console.log(`--- START: type resolver on ${type.name} ---`);
      console.log('');
      console.log('value:');
      console.log(valueOut);
      console.log('');
      const result = await originalResolver(value, context, info, abstractType);
      const resultOut = JSON.stringify(result, null, 2);
      console.log('result:');
      console.log(resultOut);
      console.log('');
      console.log(`--- END: type resolver on ${type.name} ---`);
      return result;
    };

    return resolver;
  }

  return originalResolver;
});
exports.logWrapper = logWrapper;
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