1

2
export function parseTo(args: string[]): { to: string; j: number } {
3
  let j: number = 0;
4
  let to: string = "";
5
  for (let i = 0; i < args.length; i++) {
6
    if (args[i] === "--to") {
7
      j = i;
8
      to = args[i + 1];
9
      break;
10
    }
11
  }
12
  return { to, j };
13
}
14

15
export function parseSource(args: string[]): string {
16
  for (let i = 0; i < args.length; i++) {
17
    if (args[i].startsWith("--")) {
18
      if (args[i] != "--" && !args[i].includes("=")) {
19
        // skip argument to --
20
        i += 1;
21
      }
22
      continue;
23
    }
24
    // doesn't start with -- or wasn't next arg skipped due to starting with --
25
    return args[i];
26
  }
27
  throw Error("no source");
28
}
29

30