strong-tie/inbound-calls

1'use strict'2 3var UTF8_ACCEPT = 124var UTF8_REJECT = 05var UTF8_DATA = [6  // The first part of the table maps bytes to character to a transition.7  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,8  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,9  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,10  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,11  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,12  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,13  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,14  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,15  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,16  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,17  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,18  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,19  4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,20  5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,21  6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 7, 7,22  10, 9, 9, 9, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,23 24  // The second part of the table maps a state to a new state when adding a25  // transition.26  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,27  12, 0, 0, 0, 0, 24, 36, 48, 60, 72, 84, 96,28  0, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0,29  0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0,30  0, 24, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0,31  0, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0,32  0, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,33  0, 0, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,34  0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,35 36  // The third part maps the current transition to a mask that needs to apply37  // to the byte.38  0x7F, 0x3F, 0x3F, 0x3F, 0x00, 0x1F, 0x0F, 0x0F, 0x0F, 0x07, 0x07, 0x0739]40 41function decodeURIComponent (uri) {42  var percentPosition = uri.indexOf('%')43  if (percentPosition === -1) return uri44 45  var length = uri.length46  var decoded = ''47  var last = 048  var codepoint = 049  var startOfOctets = percentPosition50  var state = UTF8_ACCEPT51 52  while (percentPosition > -1 && percentPosition < length) {53    var high = hexCodeToInt(uri[percentPosition + 1], 4)54    var low = hexCodeToInt(uri[percentPosition + 2], 0)55    var byte = high | low56    var type = UTF8_DATA[byte]57    state = UTF8_DATA[256 + state + type]58    codepoint = (codepoint << 6) | (byte & UTF8_DATA[364 + type])59 60    if (state === UTF8_ACCEPT) {61      decoded += uri.slice(last, startOfOctets)62 63      decoded += (codepoint <= 0xFFFF)64        ? String.fromCharCode(codepoint)65        : String.fromCharCode(66          (0xD7C0 + (codepoint >> 10)),67          (0xDC00 + (codepoint & 0x3FF))68        )69 70      codepoint = 071      last = percentPosition + 372      percentPosition = startOfOctets = uri.indexOf('%', last)73    } else if (state === UTF8_REJECT) {74      return null75    } else {76      percentPosition += 377      if (percentPosition < length && uri.charCodeAt(percentPosition) === 37) continue78      return null79    }80  }81 82  return decoded + uri.slice(last)83}84 85var HEX = {86  '0': 0,87  '1': 1,88  '2': 2,89  '3': 3,90  '4': 4,91  '5': 5,92  '6': 6,93  '7': 7,94  '8': 8,95  '9': 9,96  'a': 10,97  'A': 10,98  'b': 11,99  'B': 11,100  'c': 12,101  'C': 12,102  'd': 13,103  'D': 13,104  'e': 14,105  'E': 14,106  'f': 15,107  'F': 15108}109 110function hexCodeToInt (c, shift) {111  var i = HEX[c]112  return i === undefined ? 255 : i << shift113}114 115module.exports = decodeURIComponent116