index.js

#!/usr/bin/env node

const args = process.argv.slice(2);

if (!args.length) {
  console.log("bhic <file> [--debug or -d] [--verbose or -vb] [--set variableName variableValue]*");
  process.exit();
}

const moment = require("moment");
const Environment = require("./src/environment");
const Pipe = require("./src/commands/pipe/index");
const Log = require("./src/log");

let file;
let cwd;
let command = null;

const settings = {
  verbose: false,
  debug: false,
};

const initialVariables = {
  timestamp: () => moment().format("YYYYMMDDHHmmss"),
  date: format => moment().format(format || "YYYY-MM-DD"),
  time: format => moment().format(format || "HHmmss"),
};

for (let i = 0; i < args.length; i++) {
  let a = args[i];
  if (a[0] === "-") {
    a = a.toLowerCase();
    if (a === "--set") {
      const variable = args[++i];
      const variableName = variable.substr(0, variable.indexOf("=")).trim();
      const variableValue = variable.substr(variable.indexOf("=") + 1).trim();

      initialVariables[variableName] = variableValue;
    }
    else if (a === "--debug" || a === "-d") {
      settings.debug = true;
      Log.debug("Debug mode on");
    }
    else if (a === "--verbose" || a === "-vb") {
      settings.verbose = true;
      Log.verbose("Verbose mode on");
    }
    else if (a === "--command" || a === "-c") {
      command = "";
      for (let j = i + 1; j < args.length; j++) {
        command += ` ${args[j]}`;
      }

      command = command.trim();

      if (settings.verbose || settings.debug) {
        Log.debug(`Command: ${command}`);
      }

      break;
    }
  }
  else if (!file) {
    file = a;
  }
  else if (!cwd) {
    cwd = a;
  }
  else {
    Log.error("Wrong number of parameters.");
    break;
  }
}

cwd = cwd || process.cwd();

const env = new Environment(cwd, settings);
env.setFromProcess(process);
env.setVariables(initialVariables, false);

const pipe = new Pipe(env);
let thread;

if (command) {
  thread = pipe.load(command);
}
else {
  thread = pipe.loadFromFile(file);
}

thread.then(() => {
  Log.success("Program finished");
}, err => {
  Log.error(err);
});