tumblrpost.js

!(function (t) {
	function e(n) {
		if (i[n]) return i[n].exports;
		var o = (i[n] = { exports: {}, id: n, loaded: !1 });
		return t[n].call(o.exports, o, o.exports, e), (o.loaded = !0), o.exports;
	}
	var i = {};
	return (e.m = t), (e.c = i), (e.p = ""), e(0);
})([
	function (t, e, i) {
		t.exports = i(1);
	},
	function (t, e, i) {
		"use strict";
		var n = i(2),
			o = i(6),
			s = i(7);
		!(function () {
			function t(t, e) {
				return new RegExp("(\\s|^)" + e + "(\\s|$)").test(t.className);
			}
			function e(e, i) {
				e.classList ? e.classList.add(i) : t(e, i) || (e.className += " " + i);
			}
			function i(t, e, i) {
				var n;
				3 === arguments.length
					? (n = e + ":" + i + ";")
					: 2 === arguments.length && "string" == typeof e && (n = e);
				var o = t.style;
				n && (o.cssText += ";" + n), (n = e);
				for (var s in n)
					o[
						"float" === s || "cssFloat" === s
							? "undefined" == typeof o.styleFloat
								? "cssFloat"
								: "styleFloat"
							: s
					] = n[s];
			}
			function r(t, e) {
				var i = "";
				for (var n in e) {
					var o = e[n];
					i += encodeURIComponent(n) + "=" + encodeURIComponent(o) + "&";
				}
				return i.length > 0 && ((i = i.substring(0, i.length - 1)), (t = t + "?" + i)), t;
			}
			function c(t) {
				for (
					var e = [/^((http|https):)?\/\/([\w\.-]+\.)?tumblr\.(com|net)(:[0-9]+)?(\/.*)?$/i],
						i = 0,
						n = e.length;
					i < n;
					i++
				)
					if (e[i].test(t)) return !0;
				return !1;
			}
			function a(t) {
				function o() {
					var t = new n({ namespace: "tumblr-post", iframe: u, origin: "*" });
					t.listen_to("sizeChange", function (t) {
						u.height = t;
					}),
						i(u, { visibility: "visible" }),
						e(u, "tumblr-embed-loaded");
					var o = s.create(u);
					o.enterViewport(function () {
						t.call("loadPostGifs");
					});
				}
				var a,
					h = {},
					p = 542;
				if (t && (a = t.getAttribute("data-href")) && c(a) && !l) {
					var d = parseInt(t.getAttribute("data-width"), 10) || p;
					(h.width = d),
						(h.language = t.getAttribute("data-language") || "en_US"),
						(h.did = t.getAttribute("data-did") || null);
					var u = document.createElement("iframe");
					u.setAttribute("title", "Tumblr post"),
						u.setAttribute("frameborder", 0),
						u.setAttribute("allowfullscreen", !0),
						(u.src = r(a, h)),
						e(u, "tumblr-embed"),
						i(u, {
							display: "block",
							padding: "0",
							margin: "10px 0",
							border: "none",
							visibility: "hidden",
							width: d + "px",
							minHeight: "200px",
							maxWidth: "100%",
						}),
						u.attachEvent
							? u.attachEvent("onload", function () {
									o();
							  })
							: (u.onload = function () {
									o();
							  }),
						t.parentNode.replaceChild(u, t);
				}
			}
			function h() {
				for (var t = document.querySelectorAll(".tumblr-post"), e = 0, i = t.length; e < i; e++) a(t[e]);
			}
			var l = !window.addEventListener;
			!(function () {
				var t = window.tumblr || {};
				(t.embed = t.embed || {}),
					o(function () {
						h();
					});
			})();
		})();
	},
	function (t, e, i) {
		"use strict";
		function n(t) {
			return (
				"string" == typeof t ||
				(t && "object" === ("undefined" == typeof t ? "undefined" : a(t)) && "[object String]" === u.call(t)) ||
				!1
			);
		}
		function o() {
			var t = new w();
			return (t.cid = m), (m += 1), (v[t.cid] = t), t;
		}
		function s(t, e) {
			for (var i, n = g.length - 1; n >= 0; n--) g[n].message_callback(t, e);
			for (n = y.length - 1; n >= 0; n--) (i = y[n]), i && i.shouldRespond && i.shouldRespond(t, e) && i.cb(t, e);
		}
		function r(t) {
			if ((t || (t = {}), !(l && l.stringify && l.parse))) throw "Must have JSON parsing and stringify";
			if (t.iframe && ((t.window = t.iframe.contentWindow), !t.origin)) {
				var e = t.iframe.src,
					i = e.match(/^(http(?:s)?:\/\/[\w_\-\.]+(?::\d+)?)\/?/);
				i && (t.origin = i[1]);
			}
			(this.namespace = t.namespace ? t.namespace + ":" : ""),
				(this.origin = t.origin || "*"),
				(this.responders = { _method_callback_responder: _, _syn: d(this._syn, this) }),
				(this._on_connected = new f()),
				(this._unanswered_calls = {}),
				this.on_connection(d(this.enable_sending_post_message, this)),
				g.push(this),
				t.window && this.setWindow(t.window);
		}
		function c(t, e, i) {
			i || (i = this.origin), t.postMessage(e, i);
		}
		var a =
				"function" == typeof Symbol && "symbol" == typeof Symbol.iterator
					? function (t) {
							return typeof t;
					  }
					: function (t) {
							return t &&
								"function" == typeof Symbol &&
								t.constructor === Symbol &&
								t !== Symbol.prototype
								? "symbol"
								: typeof t;
					  },
			h = i(3),
			l = h("JSON", function (t) {
				return t && t.stringify;
			}),
			p = [].slice,
			d = function (t, e) {
				return function () {
					return t.apply(e, arguments);
				};
			},
			u = Object.prototype.toString,
			f = i(4),
			w = i(5),
			m = 1,
			v = {},
			g = [],
			y = [];
		!(function () {
			var t = window.addEventListener ? "addEventListener" : "attachEvent",
				e = window[t],
				i = "attachEvent" === t ? "onmessage" : "message";
			e(
				i,
				function (t) {
					var e;
					if ("string" == typeof t.data) {
						try {
							t.data && "{" === t.data[0] && (e = l.parse(t.data));
						} catch (t) {}
						e && e.method && s(t, e);
					}
				},
				!1
			);
		})();
		var _ = function (t) {
			if (t.cid_response && t.cid_response in v) {
				var e = v[t.cid_response];
				e.resolve.call(null, this, t.response), delete v[t.cid_response];
			}
		};
		(r.prototype.setWindow = function (t) {
			if (t) {
				this.window = t;
				var e = this.call("_syn");
				e.then(
					d(function (t, e) {
						"ack" === e && this._is_connected();
					}, this)
				);
			}
		}),
			(r.on = function (t, e) {
				var i;
				(i =
					"*" === t
						? function () {
								return !0;
						  }
						: "*" === t[t.length - 1]
						? function (e, i) {
								return 0 === i.method.indexOf(t.substring(0, t.length - 2));
						  }
						: function (e, i) {
								return i.method === t;
						  }),
					y.push({ shouldRespond: i, cb: e });
			}),
			(r.off = function (t) {
				for (var e, i = y.length - 1; i >= 0; i--)
					if (y[i].cb === t) {
						e = i;
						break;
					}
				return !!(e && e > -1) && (y.splice(e, 1), !0);
			}),
			(r.prototype.match_origin = function (t) {
				return "*" === this.origin || this.origin === t;
			}),
			(r.prototype.message_callback = function (t, e) {
				var i;
				if ((!this.window || t.source === this.window) && this.match_origin(t.origin)) {
					if (
						(e.method &&
							e.method.slice(0, this.namespace.length) === this.namespace &&
							(i = e.method.slice(this.namespace.length, e.method.length)),
						e.args && n(e.args))
					)
						try {
							e.args = l.parse(e.args);
						} catch (t) {
							return;
						}
					this.call_responder(i, t, e);
				}
			}),
			(r.prototype.call_responder = function (t, e, i) {
				var n, o;
				if (t) {
					if ((i.args || (i.args = []), (o = this.responders[t]), !o))
						return (
							this._unanswered_calls[t] || (this._unanswered_calls[t] = []),
							void this._unanswered_calls[t].push(arguments)
						);
					(n = o.apply(e, i.args)),
						i.cid &&
							"_method_callback_responder" !== t &&
							this.send_to_window(e.source, "_method_callback_responder", {
								cid_response: i.cid,
								response: n,
							});
				}
			}),
			(r.prototype._syn = function () {
				return this._is_connected(), "ack";
			}),
			(r.prototype._is_connected = function () {
				this.connected || ((this.connected = !0), this._on_connected.trigger(this));
			}),
			(r.prototype.on_connection = function (t) {
				return this._on_connected.push.apply(this._on_connected, arguments), this;
			}),
			(r.prototype.method = function t(e) {
				var i = this,
					t = function () {
						var t = 1 <= arguments.length ? p.call(arguments, 0) : [];
						return t.unshift(e), i.send.apply(i, t);
					};
				return t;
			}),
			(r.prototype.call = function () {
				var t = 1 <= arguments.length ? p.call(arguments, 0) : [];
				return this.window
					? (t.unshift(this.window), this.call_on_window.apply(this, t))
					: void console.warn("no window specified on channel");
			}),
			(r.prototype.call_on_window = function (t, e) {
				var i = 3 <= arguments.length ? p.call(arguments, 2) : [],
					n = o();
				try {
					var s = l.stringify({ method: this.namespace + e, args: i, cid: n.cid });
					"_syn" === e || "_method_callback_responder" === e
						? c.call(this, t, s)
						: this.send_post_message(t, s);
				} catch (t) {
					n.reject(t);
				}
				return n.promise();
			}),
			(r.prototype.send = function () {
				var t = 1 <= arguments.length ? p.call(arguments, 0) : [];
				return this.window
					? (t.unshift(this.window), this.send_to_window.apply(this, t))
					: void console.warn("no window specified on channel");
			}),
			(r.prototype.send_to_window = function (t, e) {
				var i = 3 <= arguments.length ? p.call(arguments, 2) : [],
					n = l.stringify({ method: this.namespace + e, args: i });
				"_syn" === e || "_method_callback_responder" === e ? c.call(this, t, n) : this.send_post_message(t, n);
			}),
			(r.prototype.send_post_message = function () {
				this._delayed_sent_messages || (this._delayed_sent_messages = []),
					this._delayed_sent_messages.push(arguments);
			}),
			(r.prototype.enable_sending_post_message = function () {
				if (((this.send_post_message = c), this._delayed_sent_messages)) {
					for (var t = 0; t < this._delayed_sent_messages.length; t += 1)
						c.apply(this, this._delayed_sent_messages[t]);
					delete this._delayed_sent_messages;
				}
			}),
			(r.prototype.listening_to = function (t) {
				return t in this.responders;
			}),
			(r.prototype.listen_to = function (t, e, i) {
				if (n(t)) {
					if (t in this.responders)
						return void console.warn("already listening to this method, turn it off first");
					if ((i && (e = d(e, i)), (this.responders[t] = e), this._unanswered_calls[t])) {
						var o,
							s = this._unanswered_calls[t];
						delete this._unanswered_calls[t];
						for (var r = 0; r < s.length; r += 1) (o = s[r]), this.call_responder.apply(this, o);
					}
				} else {
					var c = t;
					for (t in c) c.hasOwnProperty(t) && this.listen_to(t, c[t], i);
				}
			}),
			(r.prototype.stop_listen_to = function (t) {
				return "_method_callback_responder" === t
					? void console.warn("cannot disable the method callback responder")
					: void delete this.responders[t];
			}),
			(r.prototype.ensureChannelConnection = function (t) {
				this.send_to_window(t, "_syn");
			}),
			(t.exports = r);
	},
	function (t, e) {
		"use strict";
		function i(t, e) {
			if (t in n) return n[t];
			var i = window[t];
			if (!e || !e(i)) {
				var o = document.createElement("iframe");
				document.body.appendChild(o), (i = o.contentWindow[t]), document.body.removeChild(o);
			}
			return (n[t] = i), i;
		}
		var n = {};
		t.exports = i;
	},
	function (t, e) {
		"use strict";
		function i() {
			this.length = 0;
		}
		var n = [].slice,
			o = [].push;
		(i.prototype = { slice: n, indexOf: Array.prototype.indexOf }),
			(i.prototype.push = function () {
				if (this.triggered_with)
					for (var t = 1 <= arguments.length ? n.call(arguments, 0) : [], e = 0; e < t.length; e += 1)
						t[e].apply(null, this.triggered_with);
				return o.apply(this, arguments);
			}),
			(i.prototype.trigger = function () {
				var t = 1 <= arguments.length ? n.call(arguments, 0) : [],
					e = this.length;
				this.triggered_with = t;
				for (var i = 0; i < e; i += 1) this[i].apply(null, this.triggered_with);
				return this;
			}),
			(t.exports = i);
	},
	function (t, e, i) {
		"use strict";
		function n() {
			(this._on_resolved = new r()),
				(this._on_rejected = new r()),
				(this.then = s(this.then, this)),
				(this.fail = s(this.fail, this)),
				(this.resolve = s(this.resolve, this)),
				(this.reject = s(this.reject, this));
		}
		var o = [].slice,
			s = function (t, e) {
				return function () {
					return t.apply(e, arguments);
				};
			},
			r = i(4);
		(n.prototype.then = function () {
			return this._on_resolved.push.apply(this._on_resolved, arguments), this;
		}),
			(n.prototype.success = n.prototype.then),
			(n.prototype.fail = function () {
				return this._on_resolved.push.apply(this._on_rejected, arguments), this;
			}),
			(n.prototype.resolve = function () {
				if (!this.resolved && !this.rejected)
					return this._on_resolved.trigger.apply(this._on_resolved, arguments), (this.resolved = !0), this;
			}),
			(n.prototype.reject = function () {
				if (!this.resolved && !this.rejected)
					return this._on_rejected.trigger.apply(this._on_rejected, arguments), (this.rejected = !0), this;
			}),
			(n.prototype.reject_timeout = function () {
				var t = 1 <= arguments.length ? o.call(arguments, 0) : [],
					e = t.shift();
				return (
					setTimeout(
						s(function () {
							this.reject.apply(this, t);
						}, this),
						e
					),
					this
				);
			}),
			(n.prototype.promise = function () {
				function t() {
					var t = this;
					(this.fail = function () {
						return e.fail.apply(e, arguments), t;
					}),
						(this.then = function () {
							return e.then.apply(e, arguments), t;
						}),
						(this.success = this.then),
						(this.reject_timeout = function () {
							return e.reject_timeout.apply(e, arguments), t;
						}),
						(this.cid = e.cid);
				}
				var e = this;
				return new t();
			}),
			(t.exports = n);
	},
	function (t, e) {
		"use strict";
		function i(t) {
			function e() {
				s.removeEventListener("DOMContentLoaded", e), t();
			}
			s.addEventListener("DOMContentLoaded", e);
		}
		function n(t) {
			o || (o = /^loaded|^i|^c/.test(s.readyState)), o ? setTimeout(t) : i(t);
		}
		var o,
			s = document;
		t.exports = n;
	},
	function (t, e, i) {
		!(function (e, i) {
			t.exports = i();
		})(this, function () {
			return (function (t) {
				function e(n) {
					if (i[n]) return i[n].exports;
					var o = (i[n] = { exports: {}, id: n, loaded: !1 });
					return t[n].call(o.exports, o, o.exports, e), (o.loaded = !0), o.exports;
				}
				var i = {};
				return (e.m = t), (e.c = i), (e.p = ""), e(0);
			})([
				function (t, e, i) {
					"use strict";
					var n = i(1),
						o = n.isInBrowser,
						s = i(2),
						r = new s(o ? document.body : null);
					r.setStateFromDOM(null), r.listenToDOM(), o && (window.scrollMonitor = r), (t.exports = r);
				},
				function (t, e) {
					"use strict";
					(e.VISIBILITYCHANGE = "visibilityChange"),
						(e.ENTERVIEWPORT = "enterViewport"),
						(e.FULLYENTERVIEWPORT = "fullyEnterViewport"),
						(e.EXITVIEWPORT = "exitViewport"),
						(e.PARTIALLYEXITVIEWPORT = "partiallyExitViewport"),
						(e.LOCATIONCHANGE = "locationChange"),
						(e.STATECHANGE = "stateChange"),
						(e.eventTypes = [
							e.VISIBILITYCHANGE,
							e.ENTERVIEWPORT,
							e.FULLYENTERVIEWPORT,
							e.EXITVIEWPORT,
							e.PARTIALLYEXITVIEWPORT,
							e.LOCATIONCHANGE,
							e.STATECHANGE,
						]),
						(e.isOnServer = "undefined" == typeof window),
						(e.isInBrowser = !e.isOnServer),
						(e.defaultOffsets = { top: 0, bottom: 0 });
				},
				function (t, e, i) {
					"use strict";
					function n(t, e) {
						if (!(t instanceof e)) throw new TypeError("Cannot call a class as a function");
					}
					function o(t) {
						return a
							? 0
							: t === document.body
							? window.innerHeight || document.documentElement.clientHeight
							: t.clientHeight;
					}
					function s(t) {
						return a
							? 0
							: t === document.body
							? Math.max(
									document.body.scrollHeight,
									document.documentElement.scrollHeight,
									document.body.offsetHeight,
									document.documentElement.offsetHeight,
									document.documentElement.clientHeight
							  )
							: t.scrollHeight;
					}
					function r(t) {
						return a
							? 0
							: t === document.body
							? window.pageYOffset ||
							  (document.documentElement && document.documentElement.scrollTop) ||
							  document.body.scrollTop
							: t.scrollTop;
					}
					var c = i(1),
						a = c.isOnServer,
						h = c.isInBrowser,
						l = c.eventTypes,
						p = i(3),
						d = (function () {
							function t(e, i) {
								function c() {
									if (
										((h.viewportTop = r(e)),
										(h.viewportBottom = h.viewportTop + h.viewportHeight),
										(h.documentHeight = s(e)),
										h.documentHeight !== p)
									) {
										for (d = h.watchers.length; d--; ) h.watchers[d].recalculateLocation();
										p = h.documentHeight;
									}
								}
								function a() {
									for (u = h.watchers.length; u--; ) h.watchers[u].update();
									for (u = h.watchers.length; u--; ) h.watchers[u].triggerCallbacks();
								}
								n(this, t);
								var h = this;
								(this.item = e),
									(this.watchers = []),
									(this.viewportTop = null),
									(this.viewportBottom = null),
									(this.documentHeight = s(e)),
									(this.viewportHeight = o(e)),
									(this.DOMListener = function () {
										t.prototype.DOMListener.apply(h, arguments);
									}),
									(this.eventTypes = l),
									i && (this.containerWatcher = i.create(e));
								var p, d, u;
								(this.update = function () {
									c(), a();
								}),
									(this.recalculateLocations = function () {
										(this.documentHeight = 0), this.update();
									});
							}
							return (
								(t.prototype.listenToDOM = function () {
									h &&
										(window.addEventListener
											? (this.item === document.body
													? window.addEventListener("scroll", this.DOMListener)
													: this.item.addEventListener("scroll", this.DOMListener),
											  window.addEventListener("resize", this.DOMListener))
											: (this.item === document.body
													? window.attachEvent("onscroll", this.DOMListener)
													: this.item.attachEvent("onscroll", this.DOMListener),
											  window.attachEvent("onresize", this.DOMListener)),
										(this.destroy = function () {
											window.addEventListener
												? (this.item === document.body
														? (window.removeEventListener("scroll", this.DOMListener),
														  this.containerWatcher.destroy())
														: this.item.removeEventListener("scroll", this.DOMListener),
												  window.removeEventListener("resize", this.DOMListener))
												: (this.item === document.body
														? (window.detachEvent("onscroll", this.DOMListener),
														  this.containerWatcher.destroy())
														: this.item.detachEvent("onscroll", this.DOMListener),
												  window.detachEvent("onresize", this.DOMListener));
										}));
								}),
								(t.prototype.destroy = function () {}),
								(t.prototype.DOMListener = function (t) {
									this.setStateFromDOM(t);
								}),
								(t.prototype.setStateFromDOM = function (t) {
									var e = r(this.item),
										i = o(this.item),
										n = s(this.item);
									this.setState(e, i, n, t);
								}),
								(t.prototype.setState = function (t, e, i, n) {
									var o = e !== this.viewportHeight || i !== this.contentHeight;
									if (
										((this.latestEvent = n),
										(this.viewportTop = t),
										(this.viewportHeight = e),
										(this.viewportBottom = t + e),
										(this.contentHeight = i),
										o)
									)
										for (var s = this.watchers.length; s--; )
											this.watchers[s].recalculateLocation();
									this.updateAndTriggerWatchers(n);
								}),
								(t.prototype.updateAndTriggerWatchers = function (t) {
									for (var e = this.watchers.length; e--; ) this.watchers[e].update();
									for (e = this.watchers.length; e--; ) this.watchers[e].triggerCallbacks(t);
								}),
								(t.prototype.createCustomContainer = function () {
									return new t();
								}),
								(t.prototype.createContainer = function (e) {
									"string" == typeof e
										? (e = document.querySelector(e))
										: e && e.length > 0 && (e = e[0]);
									var i = new t(e, this);
									return i.setStateFromDOM(), i.listenToDOM(), i;
								}),
								(t.prototype.create = function (t, e) {
									"string" == typeof t
										? (t = document.querySelector(t))
										: t && t.length > 0 && (t = t[0]);
									var i = new p(this, t, e);
									return this.watchers.push(i), i;
								}),
								(t.prototype.beget = function (t, e) {
									return this.create(t, e);
								}),
								t
							);
						})();
					t.exports = d;
				},
				function (t, e, i) {
					"use strict";
					function n(t, e, i) {
						function n(t, e) {
							if (0 !== t.length)
								for (_ = t.length; _--; )
									(b = t[_]), b.callback.call(o, e, o), b.isOne && t.splice(_, 1);
						}
						var o = this;
						(this.watchItem = e),
							(this.container = t),
							i
								? i === +i
									? (this.offsets = { top: i, bottom: i })
									: (this.offsets = { top: i.top || u.top, bottom: i.bottom || u.bottom })
								: (this.offsets = u),
							(this.callbacks = {});
						for (var f = 0, w = d.length; f < w; f++) o.callbacks[d[f]] = [];
						this.locked = !1;
						var m, v, g, y, _, b;
						(this.triggerCallbacks = function (t) {
							switch (
								(this.isInViewport && !m && n(this.callbacks[r], t),
								this.isFullyInViewport && !v && n(this.callbacks[c], t),
								this.isAboveViewport !== g &&
									this.isBelowViewport !== y &&
									(n(this.callbacks[s], t),
									v || this.isFullyInViewport || (n(this.callbacks[c], t), n(this.callbacks[h], t)),
									m || this.isInViewport || (n(this.callbacks[r], t), n(this.callbacks[a], t))),
								!this.isFullyInViewport && v && n(this.callbacks[h], t),
								!this.isInViewport && m && n(this.callbacks[a], t),
								this.isInViewport !== m && n(this.callbacks[s], t),
								!0)
							) {
								case m !== this.isInViewport:
								case v !== this.isFullyInViewport:
								case g !== this.isAboveViewport:
								case y !== this.isBelowViewport:
									n(this.callbacks[p], t);
							}
							(m = this.isInViewport),
								(v = this.isFullyInViewport),
								(g = this.isAboveViewport),
								(y = this.isBelowViewport);
						}),
							(this.recalculateLocation = function () {
								if (!this.locked) {
									var t = this.top,
										e = this.bottom;
									if (this.watchItem.nodeName) {
										var i = this.watchItem.style.display;
										"none" === i && (this.watchItem.style.display = "");
										for (var o = 0, s = this.container; s.containerWatcher; )
											(o += s.containerWatcher.top - s.containerWatcher.container.viewportTop),
												(s = s.containerWatcher.container);
										var r = this.watchItem.getBoundingClientRect();
										(this.top = r.top + this.container.viewportTop - o),
											(this.bottom = r.bottom + this.container.viewportTop - o),
											"none" === i && (this.watchItem.style.display = i);
									} else
										this.watchItem === +this.watchItem
											? this.watchItem > 0
												? (this.top = this.bottom = this.watchItem)
												: (this.top = this.bottom =
														this.container.documentHeight - this.watchItem)
											: ((this.top = this.watchItem.top), (this.bottom = this.watchItem.bottom));
									(this.top -= this.offsets.top),
										(this.bottom += this.offsets.bottom),
										(this.height = this.bottom - this.top),
										(void 0 === t && void 0 === e) ||
											(this.top === t && this.bottom === e) ||
											n(this.callbacks[l], null);
								}
							}),
							this.recalculateLocation(),
							this.update(),
							(m = this.isInViewport),
							(v = this.isFullyInViewport),
							(g = this.isAboveViewport),
							(y = this.isBelowViewport);
					}
					var o = i(1),
						s = o.VISIBILITYCHANGE,
						r = o.ENTERVIEWPORT,
						c = o.FULLYENTERVIEWPORT,
						a = o.EXITVIEWPORT,
						h = o.PARTIALLYEXITVIEWPORT,
						l = o.LOCATIONCHANGE,
						p = o.STATECHANGE,
						d = o.eventTypes,
						u = o.defaultOffsets;
					n.prototype = {
						on: function (t, e, i) {
							switch (!0) {
								case t === s && !this.isInViewport && this.isAboveViewport:
								case t === r && this.isInViewport:
								case t === c && this.isFullyInViewport:
								case t === a && this.isAboveViewport && !this.isInViewport:
								case t === h && this.isInViewport && this.isAboveViewport:
									if ((e.call(this, this.container.latestEvent, this), i)) return;
							}
							if (!this.callbacks[t])
								throw new Error(
									"Tried to add a scroll monitor listener of type " +
										t +
										". Your options are: " +
										d.join(", ")
								);
							this.callbacks[t].push({ callback: e, isOne: i || !1 });
						},
						off: function (t, e) {
							if (!this.callbacks[t])
								throw new Error(
									"Tried to remove a scroll monitor listener of type " +
										t +
										". Your options are: " +
										d.join(", ")
								);
							for (var i, n = 0; (i = this.callbacks[t][n]); n++)
								if (i.callback === e) {
									this.callbacks[t].splice(n, 1);
									break;
								}
						},
						one: function (t, e) {
							this.on(t, e, !0);
						},
						recalculateSize: function () {
							(this.height = this.watchItem.offsetHeight + this.offsets.top + this.offsets.bottom),
								(this.bottom = this.top + this.height);
						},
						update: function () {
							(this.isAboveViewport = this.top < this.container.viewportTop),
								(this.isBelowViewport = this.bottom > this.container.viewportBottom),
								(this.isInViewport =
									this.top < this.container.viewportBottom &&
									this.bottom > this.container.viewportTop),
								(this.isFullyInViewport =
									(this.top >= this.container.viewportTop &&
										this.bottom <= this.container.viewportBottom) ||
									(this.isAboveViewport && this.isBelowViewport));
						},
						destroy: function () {
							var t = this.container.watchers.indexOf(this),
								e = this;
							this.container.watchers.splice(t, 1);
							for (var i = 0, n = d.length; i < n; i++) e.callbacks[d[i]].length = 0;
						},
						lock: function () {
							this.locked = !0;
						},
						unlock: function () {
							this.locked = !1;
						},
					};
					for (
						var f = function (t) {
								return function (e, i) {
									this.on.call(this, t, e, i);
								};
							},
							w = 0,
							m = d.length;
						w < m;
						w++
					) {
						var v = d[w];
						n.prototype[v] = f(v);
					}
					t.exports = n;
				},
			]);
		});
	},
]);