common_graphql_client

try {
  const { buildClientSchema, graphql } = require('graphql');
  const fs = require('fs')

  function runQuery(schemaContents, queryString, documentVariables) {
    let schema = buildClientSchema(schemaContents.data);

    // This can validate a query
    graphql(schema, queryString, null, null, documentVariables).then(
      function (result) {
        if(result['errors']) {
          console.log('ERROR', result);
          // Indicates error
          process.exit(1)
        } else {
          console.log('SUCCESS', result);
          // Indicates success
          process.exit(0)
        }
      }
    );
  }

  // Fill this in with the schema string
  let schemaString = process.env.SCHEMA_STRING || fs.readFileSync(process.env.SCHEMA_PATH, 'utf8');

  // Make a GraphQL schema with no resolvers
  let schemaContents = JSON.parse(schemaString);

  // Fill this in with the query string
  let queryString = process.env.QUERY_STRING;

  // Fill this in with the document variables json
  let documentVariablesString = process.env.DOCUMENT_VARIABLES;

  // Make a GraphQL schema with no resolvers
  let documentVariables = JSON.parse(documentVariablesString);

  if (typeof schemaContents.errors != 'undefined') {
    console.log('ERROR', 'Schema has errors in it');
    console.log(schemaContents.errors);
    // Indicates error
    process.exit(1)
  } else if (typeof schemaContents.data != 'undefined') {
    runQuery(schemaContents, queryString, documentVariables)
  } else {
    console.log('ERROR', 'Schema does not have errors or data');
    // Indicates error
    process.exit(1)
  }
} catch (e) {
  console.error(e);
  process.exit(1)
}