graphql-mocks/es/highlight/highlighter/union.js

Tools for setting up graphql test resolvers

import { isUnionType } from 'graphql';
import { HIGHLIGHT_ALL } from './constants.js';

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

    this.targets = targets;
  }

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

  static expandTargets(schema, targets) {
    var unionTypeNames = Object.values(schema.getTypeMap()).filter(isUnionType).map(union => union.name);

    if (targets.includes(HIGHLIGHT_ALL)) {
      return unionTypeNames;
    }

    return unionTypeNames.filter(unionName => targets.includes(unionName));
  }

}

var union = function type() {
  for (var _len = arguments.length, unionNames = new Array(_len), _key = 0; _key < _len; _key++) {
    unionNames[_key] = arguments[_key];
  }

  return new UnionHighlighter(unionNames);
};

export { UnionHighlighter, union };
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