PHP's var_dump in JavaScript

module.exports = functionvar_dump () { // eslint-disable-line camelcase
//  discuss at: https://locutus.io/php/var_dump/
// original by: Brett Zamir (https://brett-zamir.me)
// improved by: Zahlii
// improved by: Brett Zamir (https://brett-zamir.me)
//      note 1: For returning a string, use var_export() with the second argument set to true
//        test: skip-all
//   example 1: var_dump(1)
//   returns 1: 'int(1)'
const echo = require('../strings/echo')
let output = ''
const padChar = ' '
const padVal = 4
let lgth = 0
let i = 0
const _getFuncName = function (fn) {
const name = (/\W*function\s+([\w$]+)\s*\(/)
      .exec(fn)
if (!name) {
return'(Anonymous)'
    }
return name[1]
  }
const _repeatChar = function (len, padChar) {
let str = ''
for (let i = 0; i < len; i++) {
      str += padChar
    }
return str
  }
const _getInnerVal = function (val, thickPad) {
let ret = ''
if (val === null) {
      ret = 'NULL'
    } elseif (typeof val === 'boolean') {
      ret = 'bool(' + val + ')'
    } elseif (typeof val === 'string') {
      ret = 'string(' + val.length + ') "' + val + '"'
    } elseif (typeof val === 'number') {
if (parseFloat(val) === parseInt(val, 10)) {
        ret = 'int(' + val + ')'
      } else {
        ret = 'float(' + val + ')'
      }
    } elseif (typeof val === 'undefined') {
// The remaining are not PHP behavior because these values
// only exist in this exact form in JavaScript
      ret = 'undefined'
    } elseif (typeof val === 'function') {
const funcLines = val.toString()
        .split('\n')
      ret = ''
for (let i = 0, fll = funcLines.length; i < fll; i++) {
        ret += (i !== 0 ? '\n' + thickPad : '') + funcLines[i]
      }
    } elseif (val instanceofDate) {
      ret = 'Date(' + val + ')'
    } elseif (val instanceofRegExp) {
      ret = 'RegExp(' + val + ')'
    } elseif (val.nodeName) {
// Different than PHP's DOMElement
switch (val.nodeType) {
case1:
if (typeof val.namespaceURI === 'undefined' ||
            val.namespaceURI === 'https://www.w3.org/1999/xhtml') {
// Undefined namespace could be plain XML, but namespaceURI not widely supported
            ret = 'HTMLElement("' + val.nodeName + '")'
          } else {
            ret = 'XML Element("' + val.nodeName + '")'
          }
break
case2:
          ret = 'ATTRIBUTE_NODE(' + val.nodeName + ')'
break
case3:
          ret = 'TEXT_NODE(' + val.nodeValue + ')'
break
case4:
          ret = 'CDATA_SECTION_NODE(' + val.nodeValue + ')'
break
case5:
          ret = 'ENTITY_REFERENCE_NODE'
break
case6:
          ret = 'ENTITY_NODE'
break
case7:
          ret = 'PROCESSING_INSTRUCTION_NODE(' + val.nodeName + ':' + val.nodeValue + ')'
break
case8:
          ret = 'COMMENT_NODE(' + val.nodeValue + ')'
break
case9:
          ret = 'DOCUMENT_NODE'
break
case10:
          ret = 'DOCUMENT_TYPE_NODE'
break
case11:
          ret = 'DOCUMENT_FRAGMENT_NODE'
break
case12:
          ret = 'NOTATION_NODE'
break
      }
    }
return ret
  }
var _formatArray = function (obj, curDepth, padVal, padChar) {
if (curDepth > 0) {
      curDepth++
    }
const basePad = _repeatChar(padVal * (curDepth - 1), padChar)
const thickPad = _repeatChar(padVal * (curDepth + 1), padChar)
let str = ''
let val = ''
if (typeof obj === 'object' && obj !== null) {
if (obj.constructor && _getFuncName(obj.constructor) === 'LOCUTUS_Resource') {
return obj.var_dump()
      }
      lgth = 0
for (const someProp in obj) {
if (obj.hasOwnProperty(someProp)) {
          lgth++
        }
      }
      str += 'array(' + lgth + ') {\n'
for (const key in obj) {
const objVal = obj[key]
if (typeof objVal === 'object' &&
          objVal !== null &&
          !(objVal instanceofDate) &&
          !(objVal instanceofRegExp) &&
          !objVal.nodeName) {
          str += thickPad
          str += '['
          str += key
          str += '] =>\n'
          str += thickPad
          str += _formatArray(objVal, curDepth + 1, padVal, padChar)
        } else {
          val = _getInnerVal(objVal, thickPad)
          str += thickPad
          str += '['
          str += key
          str += '] =>\n'
          str += thickPad
          str += val
          str += '\n'
        }
      }
      str += basePad + '}\n'
    } else {
      str = _getInnerVal(obj, thickPad)
    }
return str
  }
  output = _formatArray(arguments[0], 0, padVal, padChar)
for (i = 1; i < arguments.length; i++) {
    output += '\n' + _formatArray(arguments[i], 0, padVal, padChar)
  }
  echo(output)
// Not how PHP does it, but helps us test:
return output
}