Function s4

packages/graphiql-react/src/editor/tabs.ts:337–341

()

function guid(): string {
  const s4 = () => {
    return Math.floor((1 + Math.random()) * 0x10000)
      .toString(16)
      .slice(1);
  };
  // return id of format 'aaaaaaaa'-'aaaa'-'aaaa'-'aaaa'-'aaaaaaaaaaaa'
  return `${s4()}${s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`;
}