awesomplete.min.js.map

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* Simple, lightweight, usable local autocomplete library for modern browsers\n * Because there weren’t enough autocomplete scripts in the world? Because I’m completely insane and have NIH syndrome? Probably both. :P\n * @author Lea Verou http://leaverou.github.io/awesomplete\n * MIT license\n */\n\n(function () {\n  var _ = function (input, o) {\n    var me = this;\n\n    // Keep track of number of instances for unique IDs\n    _.count = (_.count || 0) + 1;\n    this.count = _.count;\n\n    // Setup\n\n    this.isOpened = false;\n\n    this.input = $(input);\n    this.input.setAttribute(\"autocomplete\", \"off\");\n    this.input.setAttribute(\"aria-expanded\", \"false\");\n    this.input.setAttribute(\"aria-owns\", \"awesomplete_list_\" + this.count);\n    this.input.setAttribute(\"role\", \"combobox\");\n\n    // store constructor options in case we need to distinguish\n    // between default and customized behavior later on\n    this.options = o = o || {};\n\n    configure(\n      this,\n      {\n        minChars: 2,\n        maxItems: 10,\n        autoFirst: false,\n        data: _.DATA,\n        filter: _.FILTER_CONTAINS,\n        sort: o.sort === false ? false : _.SORT_BYLENGTH,\n        container: _.CONTAINER,\n        item: _.ITEM,\n        replace: _.REPLACE,\n        listContainer: _.CONTAINER,\n        tabSelect: false,\n        listLabel: \"Results List\",\n      },\n      o\n    );\n\n    this.index = -1;\n\n    // Create necessary elements\n\n    this.container = this.container(input);\n\n    this.ul = $.create(\"ul\", {\n      hidden: \"hidden\",\n      inside:\n        me.listContainer === _.CONTAINER ? me.container : me.listContainer,\n      role: \"listbox\",\n      id: \"awesomplete_list_\" + this.count,\n      \"aria-label\": this.listLabel,\n    });\n\n    this.status = $.create(\"span\", {\n      className: \"visually-hidden\",\n      role: \"status\",\n      \"aria-live\": \"assertive\",\n      \"aria-atomic\": true,\n      inside: this.container,\n      textContent:\n        this.minChars != 0\n          ? \"Type \" + this.minChars + \" or more characters for results.\"\n          : \"Begin typing for results.\",\n    });\n\n    // Bind events\n\n    this._events = {\n      input: {\n        input: this.evaluate.bind(this),\n        blur: this.close.bind(this, { reason: \"blur\" }),\n        keydown: function (evt) {\n          var c = evt.keyCode;\n\n          // If the dropdown `ul` is in view, then act on keydown for the following keys:\n          // Enter / Esc / Up / Down\n          if (me.opened) {\n            if (c === 13 && me.selected) {\n              // Enter\n              evt.preventDefault();\n              me.select(undefined, undefined, evt);\n            } else if (c === 9 && me.selected && me.tabSelect) {\n              evt.preventDefault();\n              me.select(undefined, undefined, evt);\n            } else if (c === 27) {\n              // Esc\n              me.close({ reason: \"esc\" });\n            } else if (c === 38 || c === 40) {\n              // Down/Up arrow\n              evt.preventDefault();\n              me[c === 38 ? \"previous\" : \"next\"]();\n            }\n          }\n        },\n      },\n      form: {\n        submit: this.close.bind(this, { reason: \"submit\" }),\n      },\n      ul: {\n        // Prevent the default mousedowm, which ensures the input is not blurred.\n        // The actual selection will happen on click. This also ensures dragging the\n        // cursor away from the list item will cancel the selection\n        mousedown: function (evt) {\n          evt.preventDefault();\n        },\n        // The click event is fired even if the corresponding mousedown event has called preventDefault\n        click: function (evt) {\n          var li = evt.target;\n\n          if (li !== this) {\n            while (li && !/li/i.test(li.nodeName)) {\n              li = li.parentNode;\n            }\n\n            if (li && evt.button === 0) {\n              // Only select on left click\n              evt.preventDefault();\n              me.select(li, evt.target, evt);\n            }\n          }\n        },\n      },\n      window: {\n        scroll: function () {\n          var boundingRect = me.container.getBoundingClientRect();\n          me.ul.style.top = boundingRect.top + boundingRect.height + \"px\";\n          me.ul.style.left = boundingRect.left + \"px\";\n          me.ul.style.minWidth = boundingRect.width + \"px\";\n        },\n      },\n    };\n\n    $.bind(this.input, this._events.input);\n    $.bind(this.input.form, this._events.form);\n    $.bind(this.ul, this._events.ul);\n    if (this.listContainer !== _.CONTAINER) {\n      $.bind(window, this._events.window);\n    }\n\n    if (this.input.hasAttribute(\"list\")) {\n      this.list = \"#\" + this.input.getAttribute(\"list\");\n      this.input.removeAttribute(\"list\");\n    } else {\n      this.list = this.input.getAttribute(\"data-list\") || o.list || [];\n    }\n\n    _.all.push(this);\n  };\n\n  _.prototype = {\n    set list(list) {\n      if (Array.isArray(list)) {\n        this._list = list;\n      } else if (typeof list === \"string\" && list.indexOf(\",\") > -1) {\n        this._list = list.split(/\\s*,\\s*/);\n      } else {\n        // Element or CSS selector\n        list = $(list);\n\n        if (list && list.children) {\n          var items = [];\n          slice.apply(list.children).forEach(function (el) {\n            if (!el.disabled) {\n              var text = el.textContent.trim();\n              var value = el.value || text;\n              var label = el.label || text;\n              if (value !== \"\") {\n                items.push({ label: label, value: value });\n              }\n            }\n          });\n          this._list = items;\n        }\n      }\n\n      if (document.activeElement === this.input) {\n        this.evaluate();\n      }\n    },\n\n    get selected() {\n      return this.index > -1;\n    },\n\n    get opened() {\n      return this.isOpened;\n    },\n\n    close: function (o) {\n      if (!this.opened) {\n        return;\n      }\n\n      this.input.setAttribute(\"aria-expanded\", \"false\");\n      this.ul.setAttribute(\"hidden\", \"\");\n      this.isOpened = false;\n      this.index = -1;\n\n      this.status.setAttribute(\"hidden\", \"\");\n\n      $.fire(this.input, \"awesomplete-close\", o || {});\n    },\n\n    open: function () {\n      if (this.listContainer !== _.CONTAINER) {\n        // In case the suggestion list is out of the container,\n        // get the bounding information of the container to set the position of the suggestion list below\n        var boundingRect = this.container.getBoundingClientRect();\n        this.ul.style.top = boundingRect.top + boundingRect.height + \"px\";\n        this.ul.style.left = boundingRect.left + \"px\";\n        this.ul.style.position = \"fixed\";\n        this.ul.style.transitionProperty = \"height, width, transform\";\n        this.ul.style.minWidth = boundingRect.width + \"px\";\n        this.ul.className = \"awesomplete-suggestion-list\";\n      }\n      this.input.setAttribute(\"aria-expanded\", \"true\");\n      this.ul.removeAttribute(\"hidden\");\n      this.isOpened = true;\n\n      this.status.removeAttribute(\"hidden\");\n\n      if (this.autoFirst && this.index === -1) {\n        this.goto(0);\n      }\n\n      $.fire(this.input, \"awesomplete-open\");\n    },\n\n    destroy: function () {\n      //remove events from the input and its form\n      $.unbind(this.input, this._events.input);\n      $.unbind(this.input.form, this._events.form);\n      if (this.listContainer !== _.CONTAINER) {\n        $.unbind(window, this._events.window);\n      }\n\n      // cleanup container if it was created by Awesomplete but leave it alone otherwise\n      if (!this.options.container) {\n        //move the input out of the awesomplete container and remove the container and its children\n        var parentNode = this.container.parentNode;\n        if (this.listContainer !== _.CONTAINER) {\n          var ulParentNode = this.ul.parentNode;\n          ulParentNode.removeChild(this.ul);\n        } else {\n          parentNode.insertBefore(this.input, this.container);\n          parentNode.removeChild(this.container);\n        }\n      }\n\n      //remove autocomplete and aria-autocomplete attributes\n      this.input.removeAttribute(\"autocomplete\");\n      this.input.removeAttribute(\"aria-autocomplete\");\n\n      //remove this awesomeplete instance from the global array of instances\n      var indexOfAwesomplete = _.all.indexOf(this);\n\n      if (indexOfAwesomplete !== -1) {\n        _.all.splice(indexOfAwesomplete, 1);\n      }\n    },\n\n    next: function () {\n      var count = this.ul.children.length;\n      this.goto(this.index < count - 1 ? this.index + 1 : count ? 0 : -1);\n    },\n\n    previous: function () {\n      var count = this.ul.children.length;\n      var pos = this.index - 1;\n\n      this.goto(this.selected && pos !== -1 ? pos : count - 1);\n    },\n\n    // Should not be used, highlights specific item without any checks!\n    goto: function (i) {\n      var lis = this.ul.children;\n\n      if (this.selected) {\n        lis[this.index].setAttribute(\"aria-selected\", \"false\");\n      }\n\n      this.index = i;\n\n      if (i > -1 && lis.length > 0) {\n        lis[i].setAttribute(\"aria-selected\", \"true\");\n\n        this.status.textContent =\n          lis[i].textContent + \", list item \" + (i + 1) + \" of \" + lis.length;\n\n        this.input.setAttribute(\n          \"aria-activedescendant\",\n          this.ul.id + \"_item_\" + this.index\n        );\n\n        // scroll to highlighted element in case parent's height is fixed\n        this.ul.scrollTop =\n          lis[i].offsetTop - this.ul.clientHeight + lis[i].clientHeight;\n\n        $.fire(this.input, \"awesomplete-highlight\", {\n          text: this.suggestions[this.index],\n        });\n      }\n    },\n\n    select: function (selected, origin, originalEvent) {\n      if (selected) {\n        this.index = $.siblingIndex(selected);\n      } else {\n        selected = this.ul.children[this.index];\n      }\n\n      if (selected) {\n        var suggestion = this.suggestions[this.index];\n\n        var allowed = $.fire(this.input, \"awesomplete-select\", {\n          text: suggestion,\n          origin: origin || selected,\n          originalEvent: originalEvent,\n        });\n\n        if (allowed) {\n          this.replace(suggestion);\n          this.close({ reason: \"select\" });\n          $.fire(this.input, \"awesomplete-selectcomplete\", {\n            text: suggestion,\n            originalEvent: originalEvent,\n          });\n        }\n      }\n    },\n\n    evaluate: function () {\n      var me = this;\n      var value = this.input.value;\n\n      if (\n        value.length >= this.minChars &&\n        this._list &&\n        this._list.length > 0\n      ) {\n        this.index = -1;\n        // Populate list with options that match\n        this.ul.innerHTML = \"\";\n\n        this.suggestions = this._list\n          .map(function (item) {\n            return new Suggestion(me.data(item, value));\n          })\n          .filter(function (item) {\n            return me.filter(item, value);\n          });\n\n        if (this.sort !== false) {\n          this.suggestions = this.suggestions.sort(this.sort);\n        }\n\n        this.suggestions = this.suggestions.slice(0, this.maxItems);\n\n        this.suggestions.forEach(function (text, index) {\n          me.ul.appendChild(me.item(text, value, index));\n        });\n\n        if (this.ul.children.length === 0) {\n          this.status.textContent = \"No results found\";\n\n          this.close({ reason: \"nomatches\" });\n        } else {\n          this.open();\n\n          this.status.textContent = this.ul.children.length + \" results found\";\n        }\n      } else {\n        this.close({ reason: \"nomatches\" });\n\n        this.status.textContent = \"No results found\";\n      }\n    },\n  };\n\n  // Static methods/properties\n\n  _.all = [];\n\n  _.FILTER_CONTAINS = function (text, input) {\n    return RegExp($.regExpEscape(input.trim()), \"i\").test(text);\n  };\n\n  _.FILTER_STARTSWITH = function (text, input) {\n    return RegExp(\"^\" + $.regExpEscape(input.trim()), \"i\").test(text);\n  };\n\n  _.SORT_BYLENGTH = function (a, b) {\n    if (a.length !== b.length) {\n      return a.length - b.length;\n    }\n\n    return a < b ? -1 : 1;\n  };\n\n  _.CONTAINER = function (input) {\n    return $.create(\"div\", {\n      className: \"awesomplete\",\n      around: input,\n    });\n  };\n\n  _.ITEM = function (text, input, item_id) {\n    var html =\n      input.trim() === \"\"\n        ? text\n        : text.replace(\n            RegExp($.regExpEscape(input.trim()), \"gi\"),\n            \"<mark>$&</mark>\"\n          );\n    return $.create(\"li\", {\n      innerHTML: html,\n      role: \"option\",\n      \"aria-selected\": \"false\",\n      id: \"awesomplete_list_\" + this.count + \"_item_\" + item_id,\n    });\n  };\n\n  _.REPLACE = function (text) {\n    this.input.value = text.value;\n  };\n\n  _.DATA = function (item /*, input*/) {\n    return item;\n  };\n\n  // Private functions\n\n  function Suggestion(data) {\n    var o = Array.isArray(data)\n      ? { label: data[0], value: data[1] }\n      : typeof data === \"object\" && \"label\" in data && \"value\" in data\n      ? data\n      : { label: data, value: data };\n\n    this.label = o.label || o.value;\n    this.value = o.value;\n  }\n  Object.defineProperty(\n    (Suggestion.prototype = Object.create(String.prototype)),\n    \"length\",\n    {\n      get: function () {\n        return this.label.length;\n      },\n    }\n  );\n  Suggestion.prototype.toString = Suggestion.prototype.valueOf = function () {\n    return \"\" + this.label;\n  };\n\n  function configure(instance, properties, o) {\n    for (var i in properties) {\n      var initial = properties[i],\n        attrValue = instance.input.getAttribute(\"data-\" + i.toLowerCase());\n\n      if (typeof initial === \"number\") {\n        instance[i] = parseInt(attrValue);\n      } else if (initial === false) {\n        // Boolean options must be false by default anyway\n        instance[i] = attrValue !== null;\n      } else if (initial instanceof Function) {\n        instance[i] = null;\n      } else {\n        instance[i] = attrValue;\n      }\n\n      if (!instance[i] && instance[i] !== 0) {\n        instance[i] = i in o ? o[i] : initial;\n      }\n    }\n  }\n\n  // Helpers\n\n  var slice = Array.prototype.slice;\n\n  function $(expr, con) {\n    return typeof expr === \"string\"\n      ? (con || document).querySelector(expr)\n      : expr || null;\n  }\n\n  function $$(expr, con) {\n    return slice.call((con || document).querySelectorAll(expr));\n  }\n\n  $.create = function (tag, o) {\n    var element = document.createElement(tag);\n\n    for (var i in o) {\n      var val = o[i];\n\n      if (i === \"inside\") {\n        $(val).appendChild(element);\n      } else if (i === \"around\") {\n        var ref = $(val);\n        ref.parentNode.insertBefore(element, ref);\n        element.appendChild(ref);\n\n        if (ref.getAttribute(\"autofocus\") != null) {\n          ref.focus();\n        }\n      } else if (i in element) {\n        element[i] = val;\n      } else {\n        element.setAttribute(i, val);\n      }\n    }\n\n    return element;\n  };\n\n  $.bind = function (element, o) {\n    if (element) {\n      for (var event in o) {\n        var callback = o[event];\n\n        event.split(/\\s+/).forEach(function (event) {\n          element.addEventListener(event, callback);\n        });\n      }\n    }\n  };\n\n  $.unbind = function (element, o) {\n    if (element) {\n      for (var event in o) {\n        var callback = o[event];\n\n        event.split(/\\s+/).forEach(function (event) {\n          element.removeEventListener(event, callback);\n        });\n      }\n    }\n  };\n\n  $.fire = function (target, type, properties) {\n    var evt = document.createEvent(\"HTMLEvents\");\n\n    evt.initEvent(type, true, true);\n\n    for (var j in properties) {\n      evt[j] = properties[j];\n    }\n\n    return target.dispatchEvent(evt);\n  };\n\n  $.regExpEscape = function (s) {\n    return s.replace(/[-\\\\^$*+?.()|[\\]{}]/g, \"\\\\$&\");\n  };\n\n  $.siblingIndex = function (el) {\n    /* eslint-disable no-cond-assign */\n    for (var i = 0; (el = el.previousElementSibling); i++);\n    return i;\n  };\n\n  // Initialization\n\n  function init() {\n    $$(\"input.awesomplete\").forEach(function (input) {\n      new _(input);\n    });\n  }\n\n  // Make sure to export Awesomplete on self when in a browser\n  if (typeof self !== \"undefined\") {\n    self.Awesomplete = _;\n  }\n\n  // Are we in a browser? Check for Document constructor\n  if (typeof Document !== \"undefined\") {\n    // DOM already loaded?\n    if (document.readyState !== \"loading\") {\n      init();\n    } else {\n      // Wait for it\n      document.addEventListener(\"DOMContentLoaded\", init);\n    }\n  }\n\n  _.$ = $;\n  _.$$ = $$;\n\n  // Expose Awesomplete as a CJS module\n  if (typeof module === \"object\" && module.exports) {\n    module.exports = _;\n  }\n\n  return _;\n})();\n"]}