graphql-mocks/highlight/highlighter/interface-field.js

Tools for setting up graphql test resolvers

'use strict';

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

var graphql = require('graphql');

require('ramda');

var isEqual = require('../utils/is-equal.js');

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

var field = require('./field.js');

class InterfaceFieldHighlighter {
  constructor(targets) {
    if (targets.length === 0) {
      targets = [[constants.HIGHLIGHT_ALL, constants.HIGHLIGHT_ALL]];
    }

    this.targets = targets;
  }

  mark(schema) {
    return InterfaceFieldHighlighter.expandTargets(schema, this.targets);
  }

  static expandTargets(schema, targets) {
    const interfaceTypes = Object.values(schema.getTypeMap()).filter(graphql.isInterfaceType);
    const fieldReferences = field.field(...targets).mark(schema);
    const interfaceTypeNamesAndFields = interfaceTypes.flatMap(interfaceType => {
      const interfaceName = interfaceType.name;
      const interfaceFields = Object.values(interfaceType.getFields()).map(interfaceField => {
        const interfaceFieldName = interfaceField.name;
        return [interfaceName, interfaceFieldName];
      });
      return [...interfaceFields];
    });
    return interfaceTypeNamesAndFields.filter(interfaceFieldReference => {
      const found = fieldReferences.find(allFieldReference => isEqual.isEqual(allFieldReference, interfaceFieldReference));
      return Boolean(found);
    });
  }

}

const interfaceField = function type(...interfaceNames) {
  return new InterfaceFieldHighlighter(interfaceNames);
};

exports.InterfaceFieldHighlighter = InterfaceFieldHighlighter;
exports.interfaceField = interfaceField;
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