curl_transcode/src/command_line.ts

Transcode cURL query to various programming languages

import path from "path";
import { CommandLineError } from "./error.ts";

export class CommandLine {
  readonly sourceDirectory: string;
  readonly targetDirectory: string;

  constructor(sourceDirectory: string, targetDirectory: string) {
    this.sourceDirectory = sourceDirectory;
    this.targetDirectory = targetDirectory;
  }

  static fromProcessArguments(): CommandLine {
    let command = path.basename(process.argv[0]);
    if (process.argv.length !== 4) {
      throw new CommandLineError(
        `hint: ${command} <source_directory> <target_directory>`
      );
    }
    return new CommandLine(process.argv[2], process.argv[3]);
  }
}