bam-lambda/src/commands/help.js

Serverless framework for AWS Lambda and API Gateway

const {
  log,
  vertPadding,
} = require('../util/logger');

const {
  getOptionsCommands,
  formatCommands,
  formatCommandOptions,
  commands,
} = require('../util/helpHelpers');

const logOptions = (optionsCommands, optionsMsg) => {
  if (optionsCommands.length === 0) {
    log('There are no options for this command\n');
  } else {
    log('Options:');
    log(`${optionsMsg}\n`);
  }
};

module.exports = function help(optionsObj) {
  const msg = `\nCommands:\n${commands.map(formatCommands).join('\n')}\n`;
  log(msg);

  const optionsCommands = getOptionsCommands(optionsObj);
  if (optionsCommands) {
    const optionsMsg = optionsCommands.map(formatCommandOptions).join(vertPadding);
    logOptions(optionsCommands, optionsMsg);
  } else {
    log('Run "bam help" with a flag for any command to see its options (i.e. "bam help --create")');
    log('Run "bam help --all" to see options for all commands\n');
  }
};