Method cmdToParseOptions

lib/command.ts:594–623

(cmdString: string)

  // Based on parsing variadic markers '...', demand syntax '<foo>', etc.,
  // populate parser hints:
  public cmdToParseOptions(cmdString: string): Positionals {
    const parseOptions: Positionals = {
      array: [],
      default: {},
      alias: {},
      demand: {},
    };

    const parsed = parseCommand(cmdString);
    parsed.demanded.forEach(d => {
      const [cmd, ...aliases] = d.cmd;
      if (d.variadic) {
        parseOptions.array.push(cmd);
        parseOptions.default[cmd] = [];
      }
      parseOptions.alias[cmd] = aliases;
      parseOptions.demand[cmd] = true;
    });

    parsed.optional.forEach(o => {
      const [cmd, ...aliases] = o.cmd;
      if (o.variadic) {
        parseOptions.array.push(cmd);
        parseOptions.default[cmd] = [];
      }
      parseOptions.alias[cmd] = aliases;
    });

    return parseOptions;
  }

  // we run yargs-parser against the positional arguments
  // applying the same parsing logic used for flags.