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BaseFeature from '../../foundation/base/base';\r\n\r\nclass BookmarkNav extends BaseFeature {\r\n\tconstructor(element) {\r\n\t\tsuper(element);\r\n\r\n\t\tthis.el = element;\r\n\t\tthis.anchor = null;\r\n\r\n\t\tthis.initDomCache();\r\n\t\tthis.init();\r\n\t}\r\n\r\n\tinit() {\r\n\t\tthis.setEventListeners();\r\n\t\tthis.handleHighlight();\r\n\t}\r\n\r\n\tsetEventListeners() {\r\n\t\tthis.dom.list.children.forEach((element) => {\r\n\t\t\telement.addEventListener('click', (e) => {\r\n\t\t\t\tthis.dom.controller.checked = false;\r\n\t\t\t\tif (e.target.contains(e.target.firstElementChild)) {\r\n\t\t\t\t\t// If an li element is clicked\r\n\t\t\t\t\twindow.location.href = element.firstElementChild.href;\r\n\t\t\t\t\tsetTimeout(() => {\r\n\t\t\t\t\t\tthis.toggleClasses(element, true);\r\n\t\t\t\t\t}, 200);\r\n\t\t\t\t} else {\r\n\t\t\t\t\tsetTimeout(() => {\r\n\t\t\t\t\t\tthis.toggleClasses(element, true);\r\n\t\t\t\t\t}, 200);\r\n\t\t\t\t}\r\n\t\t\t});\r\n\t\t});\r\n\t\tthis.dom.selected.addEventListener('click', () => {\r\n\t\t\tthis.showSelectionOnMobile(this.dom.selected.firstElementChild.innerText, true);\r\n\t\t});\r\n\t}\r\n\r\n\thandleHighlight() {\r\n\t\tconst anchors = Array.from(document.querySelectorAll('[data-id=\"anchor\"]'));\r\n\t\tthis.bookmarkNavItems = Array.from(this.dom.list.children);\r\n\t\tconst anchorOffsets = [];\r\n\t\tanchors.forEach((anchor) => {\r\n\t\t\tanchorOffsets.push(anchor.offsetTop);\r\n\t\t});\r\n\r\n\t\tdocument.addEventListener('scroll', () => {\r\n\t\t\tconst currentScroll = window.pageYOffset;\r\n\t\t\t// eslint-disable-next-line max-len\r\n\t\t\tconst anchorOffsetsHigherThanScroll = anchorOffsets.filter(anchorOffset => ((anchorOffset > currentScroll) ? anchorOffset : false));\r\n\t\t\tif (anchorOffsetsHigherThanScroll.length >= 0) {\r\n\t\t\t\t// eslint-disable-next-line max-len\r\n\t\t\t\tconst currentAnchorPosition = (anchorOffsets.length - 1) - anchorOffsetsHigherThanScroll.length;\r\n\t\t\t\tif (currentAnchorPosition >= 0) {\r\n\t\t\t\t\tthis.currentAnchorItem = this.bookmarkNavItems[currentAnchorPosition];\r\n\t\t\t\t\tthis.toggleClasses(this.currentAnchorItem);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t});\r\n\t}\r\n\r\n\ttoggleClasses(currentAnchorItem, clicked = false) {\r\n\t\tconst currentClass = 'o-bookmark-nav__list-item--current';\r\n\t\tthis.bookmarkNavItems.forEach((item) => {\r\n\t\t\tif (item !== currentAnchorItem) {\r\n\t\t\t\titem.classList.remove(currentClass);\r\n\t\t\t} else {\r\n\t\t\t\tcurrentAnchorItem.classList.add(currentClass);\r\n\t\t\t\tthis.showSelectionOnMobile(currentAnchorItem.firstElementChild.text, clicked);\r\n\t\t\t}\r\n\t\t});\r\n\t}\r\n\r\n\tshowSelectionOnMobile(string, clicked) {\r\n\t\tif (!clicked) {\r\n\t\t\tthis.dom.selected.firstElementChild.innerText = string;\r\n\t\t} else {\r\n\t\t\tsetTimeout(() => {\r\n\t\t\t\tthis.dom.selected.firstElementChild.innerText = string;\r\n\t\t\t}, 200);\r\n\t\t}\r\n\t}\r\n}\r\n\r\nexport default BookmarkNav;\r\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar toObject = require('../internals/to-object');\nvar nativeGetPrototypeOf = require('../internals/object-get-prototype-of');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar FAILS_ON_PRIMITIVES = fails(function () { nativeGetPrototypeOf(1); });\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\n$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !CORRECT_PROTOTYPE_GETTER }, {\n  getPrototypeOf: function getPrototypeOf(it) {\n    return nativeGetPrototypeOf(toObject(it));\n  }\n});\n\n","var $ = require('../internals/export');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\n// `Object.setPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.setprototypeof\n$({ target: 'Object', stat: true }, {\n  setPrototypeOf: setPrototypeOf\n});\n","'use strict';\nvar $ = require('../internals/export');\nvar createHTML = require('../internals/create-html');\nvar forcedStringHTMLMethod = require('../internals/forced-string-html-method');\n\n// `String.prototype.anchor` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.anchor\n$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('anchor') }, {\n  anchor: function anchor(name) {\n    return createHTML(this, 'a', 'name', name);\n  }\n});\n","var requireObjectCoercible = require('../internals/require-object-coercible');\n\nvar quot = /\"/g;\n\n// B.2.3.2.1 CreateHTML(string, tag, attribute, value)\n// https://tc39.github.io/ecma262/#sec-createhtml\nmodule.exports = function (string, tag, attribute, value) {\n  var S = String(requireObjectCoercible(string));\n  var p1 = '<' + tag;\n  if (attribute !== '') p1 += ' ' + attribute + '=\"' + String(value).replace(quot, '&quot;') + '\"';\n  return p1 + '>' + S + '</' + tag + '>';\n};\n","var fails = require('../internals/fails');\n\n// check the existence of a method, lowercase\n// of a tag and escaping quotes in arguments\nmodule.exports = function (METHOD_NAME) {\n  return fails(function () {\n    var test = ''[METHOD_NAME]('\"');\n    return test !== test.toLowerCase() || test.split('\"').length > 3;\n  });\n};\n"],"sourceRoot":""}