Function readValue

packages/cli/src/commands/migrate.ts:1034–1038

(flag: string)

    for (let i = 0; i < args.length; i++) {
        const arg = args[i];
        const readValue = (flag: string): string => {
            const value = args[++i];
            if (!value || value.startsWith("--")) throw new Error(`Missing value for ${flag}`);
            return value;
        };
        if (arg === "--from") opts.from = readValue(arg);
        else if (arg === "--to") opts.to = readValue(arg);
        else if (arg === "--session") opts.session = readValue(arg);