Acme.BookStore.HttpApi.Host/node_modules/cliui/index.js

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var stringWidth = require('string-width')
var stripAnsi = require('strip-ansi')
var wrap = require('wrap-ansi')
var align = {
  right: alignRight,
  center: alignCenter
}
var top = 0
var right = 1
var bottom = 2
var left = 3

function UI (opts) {
  this.width = opts.width
  this.wrap = opts.wrap
  this.rows = []
}

UI.prototype.span = function () {
  var cols = this.div.apply(this, arguments)
  cols.span = true
}

UI.prototype.div = function () {
  if (arguments.length === 0) this.div('')
  if (this.wrap && this._shouldApplyLayoutDSL.apply(this, arguments)) {
    return this._applyLayoutDSL(arguments[0])
  }

  var cols = []

  for (var i = 0, arg; (arg = arguments[i]) !== undefined; i++) {
    if (typeof arg === 'string') cols.push(this._colFromString(arg))
    else cols.push(arg)
  }

  this.rows.push(cols)
  return cols
}

UI.prototype._shouldApplyLayoutDSL = function () {
  return arguments.length === 1 && typeof arguments[0] === 'string' &&
    /[\t\n]/.test(arguments[0])
}

UI.prototype._applyLayoutDSL = function (str) {
  var _this = this
  var rows = str.split('\n')
  var leftColumnWidth = 0

  // simple heuristic for layout, make sure the
  // second column lines up along the left-hand.
  // don't allow the first column to take up more
  // than 50% of the screen.
  rows.forEach(function (row) {
    var columns = row.split('\t')
    if (columns.length > 1 && stringWidth(columns[0]) > leftColumnWidth) {
      leftColumnWidth = Math.min(
        Math.floor(_this.width * 0.5),
        stringWidth(columns[0])