graphql-mocks/highlight/utils/walk.js

Tools for setting up graphql test resolvers

'use strict';

var getTypeForReference = require('./get-type-for-reference.js');
var getFieldForReference = require('./get-field-for-reference.js');
async function walk(graphqlSchema, references, callback) {
  for (const reference of references) {
    if (!Array.isArray(references)) {
      throw new Error(`Expected an array of references, got ${typeof references}`);
    }
    if (typeof callback !== 'function') {
      throw new Error(`Expected callback to be a function, got ${typeof callback}`);
    }
    const type = getTypeForReference.getTypeForReference(graphqlSchema, reference);
    const field = getFieldForReference.getFieldForReference(graphqlSchema, reference);
    if (!type) {
      continue;
    }
    await callback({
      reference,
      type,
      field
    });
  }
}
exports.walk = walk;
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