{
  "version": 3,
  "sources": ["../../javascript/lib/array-from.js", "../../javascript/lib/bind.js", "../../javascript/packs/stats.js"],
  "sourcesContent": ["// Production steps of ECMA-262, Edition 6, 22.1.2.1\nif (!Array.from) {\n  Array.from = (function () {\n    var toStr = Object.prototype.toString;\n    var isCallable = function (fn) {\n      return typeof fn === 'function' || toStr.call(fn) === '[object Function]';\n    };\n    var toInteger = function (value) {\n      var number = Number(value);\n      if (isNaN(number)) { return 0; }\n      if (number === 0 || !isFinite(number)) { return number; }\n      return (number > 0 ? 1 : -1) * Math.floor(Math.abs(number));\n    };\n    var maxSafeInteger = Math.pow(2, 53) - 1;\n    var toLength = function (value) {\n      var len = toInteger(value);\n      return Math.min(Math.max(len, 0), maxSafeInteger);\n    };\n\n    // The length property of the from method is 1.\n    return function from(arrayLike/*, mapFn, thisArg */) {\n      // 1. Let C be the this value.\n      var C = this;\n\n      // 2. Let items be ToObject(arrayLike).\n      var items = Object(arrayLike);\n\n      // 3. ReturnIfAbrupt(items).\n      if (arrayLike == null) {\n        throw new TypeError('Array.from requires an array-like object - not null or undefined');\n      }\n\n      // 4. If mapfn is undefined, then let mapping be false.\n      var mapFn = arguments.length > 1 ? arguments[1] : void undefined;\n      var T;\n      if (typeof mapFn !== 'undefined') {\n        // 5. else\n        // 5. a If IsCallable(mapfn) is false, throw a TypeError exception.\n        if (!isCallable(mapFn)) {\n          throw new TypeError('Array.from: when provided, the second argument must be a function');\n        }\n\n        // 5. b. If thisArg was supplied, let T be thisArg; else let T be undefined.\n        if (arguments.length > 2) {\n          T = arguments[2];\n        }\n      }\n\n      // 10. Let lenValue be Get(items, \"length\").\n      // 11. Let len be ToLength(lenValue).\n      var len = toLength(items.length);\n\n      // 13. If IsConstructor(C) is true, then\n      // 13. a. Let A be the result of calling the [[Construct]] internal method\n      // of C with an argument list containing the single item len.\n      // 14. a. Else, Let A be ArrayCreate(len).\n      var A = isCallable(C) ? Object(new C(len)) : new Array(len);\n\n      // 16. Let k be 0.\n      var k = 0;\n      // 17. Repeat, while k < len\u2026 (also steps a - h)\n      var kValue;\n      while (k < len) {\n        kValue = items[k];\n        if (mapFn) {\n          A[k] = typeof T === 'undefined' ? mapFn(kValue, k) : mapFn.call(T, kValue, k);\n        } else {\n          A[k] = kValue;\n        }\n        k += 1;\n      }\n      // 18. Let putStatus be Put(A, \"length\", len, true).\n      A.length = len;\n      // 20. Return A.\n      return A;\n    };\n  }());\n}\n\nif (!Array.isArray) {\n  Array.isArray = function(arg) {\n    return Object.prototype.toString.call(arg) === '[object Array]';\n  };\n}\n", "require('./array-from')\n\nconst bind = function(elements, events, fn) {\n  events = events.split(' ')\n\n  if (typeof(elements) == 'string') {\n    elements = Array.from(document.querySelectorAll(elements))\n  }\n\n  if (!Array.isArray(elements)) {\n    elements = Array.from([elements])\n  }\n\n  elements.forEach((element) => {\n    events.forEach((event) => {\n      if (element.addEventListener) {\n        element.addEventListener(event, fn, false);\n      } else if (element.attachEvent) {\n        element.attachEvent(`on${event}`, fn);\n      } else {\n        element[`on${event}`] = fn;\n      }\n    })\n  })\n};\n\nconst unbind = function(elements, events, fn) {\n  events = events.split(' ')\n\n  if (typeof(elements) == 'string') {\n    elements = Array.from(document.querySelectorAll(elements))\n  }\n\n  if (!Array.isArray(elements)) {\n    elements = Array.from([elements])\n  }\n\n  elements.forEach((element) => {\n    events.forEach((event) => {\n      if (element.addEventListener) {\n        element.removeEventListener(event, fn, false);\n      } else if (element.attachEvent) {\n        element.detachEvent(`on${event}`, fn);\n      } else {\n        element[`on${event}`] = null;\n      }\n    })\n  })\n};\n\n\n\nmodule.exports = {bind, unbind}\n", "const {bind} = require('../lib/bind')\n\nStats = {\n  host: \"speakerdeck.com\",\n\n  record: function(type, data) {\n    const image = new Image()\n    image.src = `${this.beaconUrl()}?${this.toQueryString(type, data)}`;\n  },\n\n  toQueryString: function(type, data) {\n    const queryStringParts = [\n      'version=one',\n      `type=${type}`,\n      `timestamp=${Stats.timestamp()}`,\n    ];\n\n    const encodedData = Object.entries(data).map(([key, value]) => {\n      return [this.encode(key), this.encode(value)]\n    });\n\n    encodedData.forEach(([key, value]) => {\n      queryStringParts.push(`data[${key}]=${value}`);\n    });\n\n    return queryStringParts.join('&');\n  },\n\n  beaconUrl: function() {\n    return `//${this.host}/beacon.gif`;\n  },\n\n  timestamp: function() {\n    return new Date().getTime();\n  },\n\n  encode: function(string) {\n    return string ? window.encodeURIComponent(string) : \"\";\n  }\n};\n\nStats.Page = {\n  data: function() {\n    const pageData = {\n      page: Stats.Page.url(),\n      referrer: Stats.Page.referrer(),\n    }\n\n    return Object.assign({}, pageData, this.metaTagData());\n  },\n\n  metaTagData: function() {\n    const queryResult = document.querySelectorAll('meta[name|=stats]');\n    const metaTags = Array.prototype.slice.call(queryResult);\n\n    return metaTags.reduce(function(data, tag) {\n      const key = tag.name.replace(/^stats-/, '');\n      const value = tag.content;\n      data[key] = value;\n      return data;\n    }, {});\n  },\n\n  url: function() {\n    try {\n      return document.location.href;\n    } catch(error) {\n      return undefined;\n    }\n  },\n\n  referrer: function() {\n    try {\n      return window.top.document.referrer;\n    } catch(error1) {\n      try {\n        return window.parent.document.referrer;\n      } catch(error2) {\n        return  undefined;\n      }\n    }\n    return document.referrer;\n  }\n}\n\nbind(document, 'DOMContentLoaded', () => {\n  Stats.record('page_view', Stats.Page.data());\n});\n"],
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}