Dump an effection `Fork`

dump.js

export function dump(fork: any, indent = '') {
  return `Fork {
  state: ${fork.state}
  operation: ${fork.operation.name}
  children:
${[...fork.children].map(child => dump(child, '  ' + indent)).join("\n")}
}`.split("\n").map(line => `${indent}${line}`).join("\n");

}