block.js

const BLOCK = /\{[\w|\_|\s|\:|\!|\(|\)|\$]*\}/

/**
 * Get GraphQL block.
 * @param {string} [source]
 * @returns {string}
 */
const getBlocks = (source = '') => {
  const { '0': block, index } = BLOCK.exec(source) || {}
  if (!block)
    return []
  const rest = source.substring(index + block.length)
  return [ block, ...getBlocks(rest) ]
}

compress-graphql.js

query.substring(...[ query.indexOf('{'), query.indexOf('}') + 1 ]).replace(, '$1,').replace(/\s/g, '')

function compressGraphQLBlocks (source) {
  const LINE_BREAK_STATEMENTS = /([^\{])[\r\n|\n|\r][^\}]/g
  const block = source.replace(LINE_BREAK_STATEMENTS, '$1,')
  
  
  
  
  
}

function getBlockIndex (source) {
  const open = source.indexOf('{')
  const close = 
}

function getBlockIndexes (source, indexes) {
  const open = source.indexOf('{')
  const close = source.indexOf('}')
  const indexes = [ open, close ]
  return indexes
}

test-1.graphql

type User {
  id: String
  name: String
}