Elep

(function(global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
		typeof define === 'function' && define.amd ? define(factory) :
		(global = global || self, global.autoComplete = factory());
}(this, function() {
	'use strict';

/*
	 * https://github.com/kraaden/autocomplete
	 * Copyright (c) 2016 Denys Krasnoshchok
	 * MIT License
	 */
	function autoComplete(settings) {
		// just an alias to minimize JS file size
		var doc = document;
		var container = doc.createElement("div");
		var containerStyle = container.style;
		var userAgent = navigator.userAgent;
		var mobileFirefox = userAgent.indexOf("Firefox") !== -1 && userAgent.indexOf("Mobile") !== -1;
		var debounceWaitMs = settings.debounceWaitMs || 0;
		var preventSubmit = settings.preventSubmit || false;
		// 'keyup' event will not be fired on Mobile Firefox, so we have to use 'input' event instead
		var keyUpEventName = mobileFirefox ? "input" : "keyup";
		var items = [];
		var inputValue = "";
		var minLen = 2;
		var showOnFocus = settings.showOnFocus;
		var selected;
		var keypressCounter = 0;
		var debounceTimer;
		if (settings.minLength !== undefined) {
			minLen = settings.minLength;
		}
		if (!settings.input) {
			throw new Error("input undefined");
		}
		var input = settings.input;
		container.className = "autocomplete " + (settings.className || "");
		// IOS implementation for fixed positioning has many bugs, so we will use absolute positioning
		containerStyle.position = "absolute";
		/**
		 * Detach the container from DOM
		 */
		function detach() {
			var parent = container.parentNode;
			if (parent) {
				parent.removeChild(container);
			}
		}
		/**
		 * Clear debouncing timer if assigned
		 */
		function clearDebounceTimer() {
			if (debounceTimer) {
				window.clearTimeout(debounceTimer);
			}
		}
		/**
		 * Attach the container to DOM
		 */
		function attach() {
			if (!container.parentNode) {
				doc.body.appendChild(container);
			}
		}
		/**
		 * Check if container for autocomplete is displayed
		 */
		function containerDisplayed() {
			return !!container.parentNode;
		}
		/**
		 * Clear autocomplete state and hide container
		 */
		function clear() {
			// prevent the update call if there are pending AJAX requests
			keypressCounter++;
			items = [];
			inputValue = "";
			selected = undefined;
			detach();
		}
		/**
		 * Update autocomplete position
		 */
		function updatePosition() {
			if (!containerDisplayed()) {
				return;
			}
			containerStyle.height = "auto";
			containerStyle.width = input.offsetWidth + "px";
			var maxHeight = 0;
			var inputRect;

function updateIfDisplayed() {
			if (containerDisplayed()) {
				update();
			}
		}

function resizeEventHandler() {
			updateIfDisplayed();
		}

function scrollEventHandler(e) {
			if (e.target !== container) {
				updateIfDisplayed();
			} else {
				e.preventDefault();
			}
		}

function focusEventHandler() {
			if (showOnFocus) {
				startFetch(1 /* Focus */ );
			}
		}

return autoComplete;

}));