(function () {
- var _ = function (input, o) {
- var me = this;
-
- // Setup
-
- this.input = $(input);
- this.input.setAttribute("aria-autocomplete", "list");
-
- o = o || {};
-
- configure.call(this, {
- minChars: 2,
- maxItems: 10,
- autoFirst: false,
- filter: _.FILTER_CONTAINS,
- sort: _.SORT_BYLENGTH,
- item: function (text, input) {
- return $.create("li", {
- innerHTML: text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>"),
- "aria-selected": "false"
- });
- },
- replace: function (text) {
- this.input.value = text;
- }
- }, o);
-
- this.index = -1;
-
- // Create necessary elements
-
- this.container = $.create("div", {
- className: "awesomplete",
- around: input
- });
-
- this.ul = $.create("ul", {
- hidden: "",
- inside: this.container
- });
-
- this.status = $.create("span", {
- className: "visually-hidden",
- role: "status",
- "aria-live": "assertive",
- "aria-relevant": "additions",
- inside: this.container
- });
-
- // Bind events
-
- $.bind(this.input, {
- "input": this.evaluate.bind(this),
- "blur": this.close.bind(this),
- "keydown": function(evt) {
- var c = evt.keyCode;
-
- // If the dropdown `ul` is in view, then act on keydown for the following keys:
- // Enter / Esc / Up / Down
- if(me.opened) {
- if (c === 13 && me.selected) { // Enter
- evt.preventDefault();
- me.select();
- }
- else if (c === 27) { // Esc
- me.close();
- }
- else if (c === 38 || c === 40) { // Down/Up arrow
- evt.preventDefault();
- me[c === 38? "previous" : "next"]();
- }
- }
- }
- });
-
- $.bind(this.input.form, {"submit": this.close.bind(this)});
-
- $.bind(this.ul, {"mousedown": function(evt) {
- var li = evt.target;
-
- if (li !== this) {
-
- while (li && !/li/i.test(li.nodeName)) {
- li = li.parentNode;
- }
-
- if (li) {
- me.select(li);
- }
- }
- }});
-
- if (this.input.hasAttribute("list")) {
- this.list = "#" + input.getAttribute("list");
- input.removeAttribute("list");
- }
- else {
- this.list = this.input.getAttribute("data-list") || o.list || [];
- }
-
- _.all.push(this);
- };
-
- _.prototype = {
- set list(list) {
- if (Array.isArray(list)) {
- this._list = list;
- }
- else if (typeof list === "string" && list.indexOf(",") > -1) {
- this._list = list.split(/\s*,\s*/);
- }
- else { // Element or CSS selector
- list = $(list);
-
- if (list && list.children) {
- this._list = slice.apply(list.children).map(function (el) {
- return el.innerHTML.trim();
- });
- }
- }
-
- if (document.activeElement === this.input) {
- this.evaluate();
- }
- },
-
- get selected() {
- return this.index > -1;
- },
-
- get opened() {
- return this.ul && this.ul.getAttribute("hidden") == null;
- },
-
- close: function () {
- this.ul.setAttribute("hidden", "");
- this.index = -1;
-
- $.fire(this.input, "awesomplete-close");
- },
-
- open: function () {
- this.ul.removeAttribute("hidden");
-
- if (this.autoFirst && this.index === -1) {
- this.goto(0);
- }
-
- $.fire(this.input, "awesomplete-open");
- },
-
- next: function () {
- var count = this.ul.children.length;
-
- this.goto(this.index < count - 1? this.index + 1 : -1);
- },
-
- previous: function () {
- var count = this.ul.children.length;
-
- this.goto(this.selected? this.index - 1 : count - 1);
- },
-
- // Should not be used, highlights specific item without any checks!
- goto: function (i) {
- var lis = this.ul.children;
-
- if (this.selected) {
- lis[this.index].setAttribute("aria-selected", "false");
- }
-
- this.index = i;
-
- if (i > -1 && lis.length > 0) {
- lis[i].setAttribute("aria-selected", "true");
- this.status.textContent = lis[i].textContent;
- }
-
- $.fire(this.input, "awesomplete-highlight");
- },
-
- select: function (selected) {
- selected = selected || this.ul.children[this.index];
-
- if (selected) {
- var prevented;
-
- $.fire(this.input, "awesomplete-select", {
- text: selected.textContent,
- preventDefault: function () {
- prevented = true;
- }
- });
-
- if (!prevented) {
- this.replace(selected.textContent);
- this.close();
- $.fire(this.input, "awesomplete-selectcomplete");
- }
- }
- },
-
- evaluate: function() {
- var me = this;
- var value = this.input.value;
-
- if (value.length >= this.minChars && this._list.length > 0) {
- this.index = -1;
- // Populate list with options that match
- this.ul.innerHTML = "";
-
- this._list
- .filter(function(item) {
- return me.filter(item, value);
- })
- .sort(this.sort)
- .every(function(text, i) {
- me.ul.appendChild(me.item(text, value));
-
- return i < me.maxItems - 1;
- });
-
- if (this.ul.children.length === 0) {
- this.close();
- } else {
- this.open();
- }
- }
- else {
- this.close();
- }
- }
- };
+var _ = function (input, o) {
+ var me = this;
+
+ // Setup
+
+ this.input = $(input);
+ this.input.setAttribute("autocomplete", "off");
+ this.input.setAttribute("aria-autocomplete", "list");
+
+ o = o || {};
+
+ configure(this, {
+ minChars: 2,
+ maxItems: 10,
+ autoFirst: false,
+ data: _.DATA,
+ filter: _.FILTER_CONTAINS,
+ sort: _.SORT_BYLENGTH,
+ item: _.ITEM,
+ replace: _.REPLACE
+ }, o);
+
+ this.index = -1;
+
+ // Create necessary elements
+
+ this.container = $.create("div", {
+ className: "awesomplete",
+ around: input
+ });
+
+ this.ul = $.create("ul", {
+ hidden: "hidden",
+ inside: this.container
+ });
+
+ this.status = $.create("span", {
+ className: "visually-hidden",
+ role: "status",
+ "aria-live": "assertive",
+ "aria-relevant": "additions",
+ inside: this.container
+ });
+
+ // Bind events
+
+ $.bind(this.input, {
+ "input": this.evaluate.bind(this),
+ "blur": this.close.bind(this),
+ "keydown": function(evt) {
+ var c = evt.keyCode;
+
+ // If the dropdown `ul` is in view, then act on keydown for the following keys:
+ // Enter / Esc / Up / Down
+ if(me.opened) {
+ if (c === 13 && me.selected) { // Enter
+ evt.preventDefault();
+ me.select();
+ }
+ else if (c === 27) { // Esc
+ me.close();
+ }
+ else if (c === 38 || c === 40) { // Down/Up arrow
+ evt.preventDefault();
+ me[c === 38? "previous" : "next"]();
+ }
+ }
+ }
+ });
+
+ $.bind(this.input.form, {"submit": this.close.bind(this)});
+
+ $.bind(this.ul, {"mousedown": function(evt) {
+ var li = evt.target;
+
+ if (li !== this) {
+
+ while (li && !/li/i.test(li.nodeName)) {
+ li = li.parentNode;
+ }
+
+ if (li && evt.button === 0) { // Only select on left click
+ evt.preventDefault();
+ me.select(li, evt.target);
+ }
+ }
+ }});
+
+ if (this.input.hasAttribute("list")) {
+ this.list = "#" + this.input.getAttribute("list");
+ this.input.removeAttribute("list");
+ }
+ else {
+ this.list = this.input.getAttribute("data-list") || o.list || [];
+ }
+
+ _.all.push(this);
+};
+
+_.prototype = {
+ set list(list) {
+ if (Array.isArray(list)) {
+ this._list = list;
+ }
+ else if (typeof list === "string" && list.indexOf(",") > -1) {
+ this._list = list.split(/\s*,\s*/);
+ }
+ else { // Element or CSS selector
+ list = $(list);
+
+ if (list && list.children) {
+ var items = [];
+ slice.apply(list.children).forEach(function (el) {
+ if (!el.disabled) {
+ var text = el.textContent.trim();
+ var value = el.value || text;
+ var label = el.label || text;
+ if (value !== "") {
+ items.push({ label: label, value: value });
+ }
+ }
+ });
+ this._list = items;
+ }
+ }
+
+ if (document.activeElement === this.input) {
+ this.evaluate();
+ }
+ },
+
+ get selected() {
+ return this.index > -1;
+ },
+
+ get opened() {
+ return !this.ul.hasAttribute("hidden");
+ },
+
+ close: function () {
+ this.ul.setAttribute("hidden", "");
+ this.index = -1;
+
+ $.fire(this.input, "awesomplete-close");
+ },
+
+ open: function () {
+ this.ul.removeAttribute("hidden");
+
+ if (this.autoFirst && this.index === -1) {
+ this.goto(0);
+ }
+
+ $.fire(this.input, "awesomplete-open");
+ },
+
+ next: function () {
+ var count = this.ul.children.length;
+
+ this.goto(this.index < count - 1? this.index + 1 : -1);
+ },
+
+ previous: function () {
+ var count = this.ul.children.length;
+
+ this.goto(this.selected? this.index - 1 : count - 1);
+ },
+
+ // Should not be used, highlights specific item without any checks!
+ goto: function (i) {
+ var lis = this.ul.children;
+
+ if (this.selected) {
+ lis[this.index].setAttribute("aria-selected", "false");
+ }
+
+ this.index = i;
+
+ if (i > -1 && lis.length > 0) {
+ lis[i].setAttribute("aria-selected", "true");
+ this.status.textContent = lis[i].textContent;
+
+ $.fire(this.input, "awesomplete-highlight", {
+ text: this.suggestions[this.index]
+ });
+ }
+ },
+
+ select: function (selected, origin) {
+ if (selected) {
+ this.index = $.siblingIndex(selected);
+ } else {
+ selected = this.ul.children[this.index];
+ }
+
+ if (selected) {
+ var suggestion = this.suggestions[this.index];
+
+ var allowed = $.fire(this.input, "awesomplete-select", {
+ text: suggestion,
+ origin: origin || selected
+ });
+
+ if (allowed) {
+ this.replace(suggestion);
+ this.close();
+ $.fire(this.input, "awesomplete-selectcomplete", {
+ text: suggestion
+ });
+ }
+ }
+ },
+
+ evaluate: function() {
+ var me = this;
+ var value = this.input.value;
+
+ if (value.length >= this.minChars && this._list.length > 0) {
+ this.index = -1;
+ // Populate list with options that match
+ this.ul.innerHTML = "";
+
+ this.suggestions = this._list
+ .map(function(item) {
+ return new Suggestion(me.data(item, value));
+ })
+ .filter(function(item) {
+ return me.filter(item, value);
+ })
+ .sort(this.sort)
+ .slice(0, this.maxItems);
+
+ this.suggestions.forEach(function(text) {
+ me.ul.appendChild(me.item(text, value));
+ });
+
+ if (this.ul.children.length === 0) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+ else {
+ this.close();
+ }
+ }
+};
// Static methods/properties
- _.all = [];
+_.all = [];
- _.FILTER_CONTAINS = function (text, input) {
- return RegExp($.regExpEscape(input.trim()), "i").test(text);
- };
+_.FILTER_CONTAINS = function (text, input) {
+ return RegExp($.regExpEscape(input.trim()), "i").test(text);
+};
- _.FILTER_STARTSWITH = function (text, input) {
- return RegExp("^" + $.regExpEscape(input.trim()), "i").test(text);
- };
+_.FILTER_STARTSWITH = function (text, input) {
+ return RegExp("^" + $.regExpEscape(input.trim()), "i").test(text);
+};
- _.SORT_BYLENGTH = function (a, b) {
- if (a.length !== b.length) {
- return a.length - b.length;
- }
+_.SORT_BYLENGTH = function (a, b) {
+ if (a.length !== b.length) {
+ return a.length - b.length;
+ }
- return a < b? -1 : 1;
- };
+ return a < b? -1 : 1;
+};
+
+_.ITEM = function (text, input) {
+ var html = input === '' ? text : text.replace(RegExp($.regExpEscape(input.trim()), "gi"), "<mark>$&</mark>");
+ return $.create("li", {
+ innerHTML: html,
+ "aria-selected": "false"
+ });
+};
+
+_.REPLACE = function (text) {
+ this.input.value = text.value;
+};
+
+_.DATA = function (item/*, input*/) { return item; };
// Private functions
- function configure(properties, o) {
- for (var i in properties) {
- var initial = properties[i],
- attrValue = this.input.getAttribute("data-" + i.toLowerCase());
-
- if (typeof initial === "number") {
- this[i] = +attrValue;
- }
- else if (initial === false) { // Boolean options must be false by default anyway
- this[i] = attrValue !== null;
- }
- else if (initial instanceof Function) {
- this[i] = null;
- }
- else {
- this[i] = attrValue;
- }
-
- this[i] = this[i] || o[i] || initial;
- }
- }
+function Suggestion(data) {
+ var o = Array.isArray(data)
+ ? { label: data[0], value: data[1] }
+ : typeof data === "object" && "label" in data && "value" in data ? data : { label: data, value: data };
+
+ this.label = o.label || o.value;
+ this.value = o.value;
+}
+Object.defineProperty(Suggestion.prototype = Object.create(String.prototype), "length", {
+ get: function() { return this.label.length; }
+});
+Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {
+ return "" + this.label;
+};
+
+function configure(instance, properties, o) {
+ for (var i in properties) {
+ var initial = properties[i],
+ attrValue = instance.input.getAttribute("data-" + i.toLowerCase());
+
+ if (typeof initial === "number") {
+ instance[i] = parseInt(attrValue);
+ }
+ else if (initial === false) { // Boolean options must be false by default anyway
+ instance[i] = attrValue !== null;
+ }
+ else if (initial instanceof Function) {
+ instance[i] = null;
+ }
+ else {
+ instance[i] = attrValue;
+ }
+
+ if (!instance[i] && instance[i] !== 0) {
+ instance[i] = (i in o)? o[i] : initial;
+ }
+ }
+}
// Helpers
- var slice = Array.prototype.slice;
-
- function $(expr, con) {
- return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
- }
-
- function $$(expr, con) {
- return slice.call((con || document).querySelectorAll(expr));
- }
-
- $.create = function(tag, o) {
- var element = document.createElement(tag);
-
- for (var i in o) {
- var val = o[i];
-
- if (i === "inside") {
- $(val).appendChild(element);
- }
- else if (i === "around") {
- var ref = $(val);
- ref.parentNode.insertBefore(element, ref);
- element.appendChild(ref);
- }
- else if (i in element) {
- element[i] = val;
- }
- else {
- element.setAttribute(i, val);
- }
- }
-
- return element;
- };
-
- $.bind = function(element, o) {
- if (element) {
- for (var event in o) {
- var callback = o[event];
-
- event.split(/\s+/).forEach(function (event) {
- element.addEventListener(event, callback);
- });
- }
- }
- };
-
- $.fire = function(target, type, properties) {
- var evt = document.createEvent("HTMLEvents");
-
- evt.initEvent(type, true, true );
-
- for (var j in properties) {
- evt[j] = properties[j];
- }
-
- target.dispatchEvent(evt);
- };
-
- $.regExpEscape = function (s) {
- return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
- }
+var slice = Array.prototype.slice;
+
+function $(expr, con) {
+ return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
+}
+
+function $$(expr, con) {
+ return slice.call((con || document).querySelectorAll(expr));
+}
+
+$.create = function(tag, o) {
+ var element = document.createElement(tag);
+
+ for (var i in o) {
+ var val = o[i];
+
+ if (i === "inside") {
+ $(val).appendChild(element);
+ }
+ else if (i === "around") {
+ var ref = $(val);
+ ref.parentNode.insertBefore(element, ref);
+ element.appendChild(ref);
+ }
+ else if (i in element) {
+ element[i] = val;
+ }
+ else {
+ element.setAttribute(i, val);
+ }
+ }
+
+ return element;
+};
+
+$.bind = function(element, o) {
+ if (element) {
+ for (var event in o) {
+ var callback = o[event];
+
+ event.split(/\s+/).forEach(function (event) {
+ element.addEventListener(event, callback);
+ });
+ }
+ }
+};
+
+$.fire = function(target, type, properties) {
+ var evt = document.createEvent("HTMLEvents");
+
+ evt.initEvent(type, true, true );
+
+ for (var j in properties) {
+ evt[j] = properties[j];
+ }
+
+ return target.dispatchEvent(evt);
+};
+
+$.regExpEscape = function (s) {
+ return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
+};
+
+$.siblingIndex = function (el) {
+ /* eslint-disable no-cond-assign */
+ for (var i = 0; el = el.previousElementSibling; i++);
+ return i;
+};
// Initialization
- function init() {
- $$("input.awesomplete").forEach(function (input) {
- new Awesomplete(input);
- });
- }
+function init() {
+ $$("input.awesomplete").forEach(function (input) {
+ new _(input);
+ });
+}
// Are we in a browser? Check for Document constructor
- if (typeof Document !== 'undefined') {
- // DOM already loaded?
- if (document.readyState !== "loading") {
- init();
- }
- else {
- // Wait for it
- document.addEventListener("DOMContentLoaded", init);
- }
- }
-
- _.$ = $;
- _.$$ = $$;
+if (typeof Document !== "undefined") {
+ // DOM already loaded?
+ if (document.readyState !== "loading") {
+ init();
+ }
+ else {
+ // Wait for it
+ document.addEventListener("DOMContentLoaded", init);
+ }
+}
+
+_.$ = $;
+_.$$ = $$;
// Make sure to export Awesomplete on self when in a browser
- if (typeof self !== 'undefined') {
- self.Awesomplete = _;
- }
+if (typeof self !== "undefined") {
+ self.Awesomplete = _;
+}
// Expose Awesomplete as a CJS module
- if (typeof exports === 'object') {
- module.exports = _;
- }
+if (typeof module === "object" && module.exports) {
+ module.exports = _;
+}
- return _;
+return _;
}());