@gameroom/cli/src/helpers/printTable.js

A command line tool for Gameroom

let cosmetic = require('cosmetic'),
  padString = require('./padString'),
  actualStringLength = require('./actualStringLength')

module.exports = (array, keys) => {
  let padding = {}
  // Column header padding
  if (keys) for (let [index, key] of keys.entries()) padding[index] = actualStringLength(key)

  for (let row of array) for (let [index, cell] of row.entries()) if (cell !== null && (!padding[index] || actualStringLength(cell) > padding[index])) padding[index] = actualStringLength(cell)

  if (keys) {
    let string = ''
    for (let [index, key] of keys.entries()) {
      string += padString(key, padding[index])
      if (index !== keys.length - 1) string += ' | '
    }
    console.log(cosmetic.underline(string))
  }

  for (let row of array) {
    let string = ''
    for (let [index, cell] of row.entries()) {
      if (cell === null) cell = ''
      string += padString(cell, padding[index])
      if (index !== row.length - 1) string += ' | '
    }
    console.log(string)
  }
}