@builtioflow/connector-builder/docs/help.js

//this file contains help docs for help command
// for 'flow help' and for 'flow help help'
const fs = require('fs');
const folderPath = __dirname;
const Table = require('cli-table2');
const chalk = require('chalk');
const _     = require('lodash');
const command_col_len = 20;
const example_col_len = 45;
const info_col_len = 80;
const total_table_col_len = command_col_len + example_col_len + info_col_len;

function help() {
  if (total_table_col_len < parseInt(process.stdout.columns)) {
    var table = new Table({
      head: ['Title', 'Command', 'Info'],
      rowHeights: [2],
      colWidths: [command_col_len, example_col_len, info_col_len],
      chars: { 'mid': '', 'left-mid': '', 'mid-mid': '', 'right-mid': '' }
    });
    //fetching the names of all the files from the docs directory
    fs.readdir(folderPath, (err, files) => {
      _.pull(files, 'set.js');
      files.forEach(file => {
        var command_name = file.substr(0, file.length - 3);
        var objekt = require(folderPath + '/' + file);
        var example = objekt.example;
        table.push([command_name.charAt(0).toUpperCase() + command_name.slice(1), objekt.example, objekt.info]);
      });
      console.log(table.toString());
    })
  }
  else {
    var table = new Table({
      colWidths: [12, 80],
      rowHeights: [1],
      chars: {
        'top': '', 'top-mid': '', 'top-left': '', 'top-right': ''
        , 'bottom': '', 'bottom-mid': '', 'bottom-left': '', 'bottom-right': ''
        , 'left': '', 'left-mid': '', 'mid': '', 'mid-mid': ''
        , 'right': '', 'right-mid': '', 'middle': ' '
      },
      style: { 'padding-left': 0, 'padding-right': 0 }

    });
    table.push("", "");
    fs.readdir(folderPath, (err, files) => {
      files.forEach(file => {
        var command_name = file.substr(0, file.length - 3);
        var objekt = require(folderPath + '/' + file);
        var example = objekt.example;
        if (objekt.example === 'flow set lookup') {
          return true;
        }
        //table.push(["Title", command_name.charAt(0).toUpperCase() + command_name.slice(1)]);
        table.push(["Command", chalk.green(objekt.example)]);
        table.push(["Info", objekt.info]);
        table.push("", "");
      });
      console.log(table.toString());
    })
  }
}

help.example = "flow help or flow"
help.intro = "Lists all the commands"
help.info = "Lists all the commands"
help.explanation = `Helps get you details about all the commands with an example.`

module.exports.help = help;