query-validator.js

query-validator.js

const fs = require('fs');
const schema = require('./schemas').default;
const gql = require('graphql-tag');
const { validate, graphql } = require('graphql');
const { removeConnectionDirectiveFromDocument } = require('apollo-utilities');
const { diffString } = require('json-diff');

const raw = fs.readFileSync('gql-queries.json');
const { queries, fragments } = JSON.parse(raw.toString());

const checkQueries = async () => {
  const output = [];

  Object.keys(queries).forEach(path => {
    const { query } = queries[path];
    const parsedQuery = removeConnectionDirectiveFromDocument(gql(query));

    const errors = validate(schema, parsedQuery);

    if (errors.length === 0) {
      return;
    }

    const parsedErrors = errors.map(e => e.message);

    output.push({
      path,
      errors: parsedErrors,
    });
  });

  return output;
};