! function(e, t) {
	if ("function" == typeof define && define.amd) define(["exports", "module"], t);
	else if ("undefined" != typeof exports && "undefined" != typeof module) t(exports, module);
	else {
		var n = {
			exports: {}
		};
		t(n.exports, n), e.autosize = n.exports
	}
}(this, function(e, t) {
	"use strict";
	
	function n(e) {
		function t() {
			var t = window.getComputedStyle(e, null);
			"vertical" === t.resize ? e.style.resize = "none" : "both" === t.resize && (e.style.resize = "horizontal"), s = "content-box" === t.boxSizing ? -(parseFloat(t.paddingTop) + parseFloat(t.paddingBottom)) : parseFloat(t.borderTopWidth) + parseFloat(t.borderBottomWidth), isNaN(s) && (s = 0), l()
		}
		
		function n(t) {
			var n = e.style.width;
			e.style.width = "0px", e.offsetWidth, e.style.width = n, e.style.overflowY = t
		}
		
		function o(e) {
			for (var t = []; e && e.parentNode && e.parentNode instanceof Element;) e.parentNode.scrollTop && t.push({
				node: e.parentNode,
				scrollTop: e.parentNode.scrollTop
			}), e = e.parentNode;
			return t
		}
		
		function r() {
			var t = e.style.height,
			n = o(e),
			r = document.documentElement && document.documentElement.scrollTop;
			e.style.height = "";
			var i = e.scrollHeight + s;
			return 0 === e.scrollHeight ? void(e.style.height = t) : (e.style.height = i + "px", u = e.clientWidth, n.forEach(function(e) {
				e.node.scrollTop = e.scrollTop
			}), void(r && (document.documentElement.scrollTop = r)))
		}
		
		function l() {
			r();
			var t = Math.round(parseFloat(e.style.height)),
			o = window.getComputedStyle(e, null),
			i = "content-box" === o.boxSizing ? Math.round(parseFloat(o.height)) : e.offsetHeight;
			if (i !== t ? "hidden" === o.overflowY && (n("scroll"), r(), i = "content-box" === o.boxSizing ? Math.round(parseFloat(window.getComputedStyle(e, null).height)) : e.offsetHeight) : "hidden" !== o.overflowY && (n("hidden"), r(), i = "content-box" === o.boxSizing ? Math.round(parseFloat(window.getComputedStyle(e, null).height)) : e.offsetHeight), a !== i) {
				a = i;
				var l = d("autosize:resized");
				try {
					e.dispatchEvent(l)
				} catch (e) {}
			}
		}
		if (e && e.nodeName && "TEXTAREA" === e.nodeName && !i.has(e)) {
			var s = null,
			u = e.clientWidth,
			a = null,
			c = function() {
				e.clientWidth !== u && l()
			},
			p = function(t) {
				window.removeEventListener("resize", c, !1), e.removeEventListener("input", l, !1), e.removeEventListener("keyup", l, !1), e.removeEventListener("autosize:destroy", p, !1), e.removeEventListener("autosize:update", l, !1), Object.keys(t).forEach(function(n) {
					e.style[n] = t[n]
				}), i.delete(e)
			}.bind(e, {
				height: e.style.height,
				resize: e.style.resize,
				overflowY: e.style.overflowY,
				overflowX: e.style.overflowX,
				wordWrap: e.style.wordWrap
			});
			e.addEventListener("autosize:destroy", p, !1), "onpropertychange" in e && "oninput" in e && e.addEventListener("keyup", l, !1), window.addEventListener("resize", c, !1), e.addEventListener("input", l, !1), e.addEventListener("autosize:update", l, !1), e.style.overflowX = "hidden", e.style.wordWrap = "break-word", i.set(e, {
				destroy: p,
				update: l
			}), t()
		}
	}
	
	function o(e) {
		var t = i.get(e);
		t && t.destroy()
	}
	
	function r(e) {
		var t = i.get(e);
		t && t.update()
	}
	var i = "function" == typeof Map ? new Map : function() {
		var e = [],
		t = [];
		return {
			has: function(t) {
				return e.indexOf(t) > -1
			},
			get: function(n) {
				return t[e.indexOf(n)]
			},
			set: function(n, o) {
				e.indexOf(n) === -1 && (e.push(n), t.push(o))
			},
			delete: function(n) {
				var o = e.indexOf(n);
				o > -1 && (e.splice(o, 1), t.splice(o, 1))
			}
		}
	}(),
	d = function(e) {
		return new Event(e, {
			bubbles: !0
		})
	};
	try {
		new Event("test")
	} catch (e) {
		d = function(e) {
			var t = document.createEvent("Event");
			return t.initEvent(e, !0, !1), t
		}
	}
	var l = null;
	"undefined" == typeof window || "function" != typeof window.getComputedStyle ? (l = function(e) {
		return e
	}, l.destroy = function(e) {
		return e
	}, l.update = function(e) {
		return e
	}) : (l = function(e, t) {
		return e && Array.prototype.forEach.call(e.length ? e : [e], function(e) {
			return n(e, t)
		}), e
	}, l.destroy = function(e) {
		return e && Array.prototype.forEach.call(e.length ? e : [e], o), e
	}, l.update = function(e) {
		return e && Array.prototype.forEach.call(e.length ? e : [e], r), e
	}), t.exports = l
});

autosize(document.querySelector('textarea'));