files

.gitignore

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+node_modules
+.DS_Store

LICENSE

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+MIT License
+
+Copyright (c) 2020 Filament Group
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# fg-carousel
+
+An accessible carousel web component
+- @scottjehl @filamentgroup
+- MIT License
+
+- [demo & docs](https://filamentgroup.github.io/fg-carousel/demo/)
+- [tests](https://filamentgroup.github.io/fg-carousel/tests/)
+
+
+- NPM https://www.npmjs.com/package/fg-carousel 

_config.yml

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+title: '<a href="https://www.filamentgroup.com" class="project-logo">Filament Group</a> <span>carousel</span>'
+description: An accessible carousel web component
+theme: jekyll-theme-cayman
+show_downloads: true

assets/css/style.scss

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+---
+---
+
+@import "{{ site.theme }}";
+
+.page-header {
+background: linear-gradient(#1f7300,#4f9307);
+padding: 2rem 4rem;
+}
+.project-logo {
+background: url(https://www.filamentgroup.com/images/svg/fg-logo.svg) 50% 50% no-repeat;
+background-size: 90% auto;
+display: block;
+margin: .2em auto 0;
+text-indent: -9999px;
+overflow: hidden;
+max-width: 170px;
+height: 30px
+
+}
+.main-content h1, .main-content h2, .main-content h3, .main-content h4, .main-content h5, .main-content h6 {
+color: #2c9915;
+}
+.project-tagline {
+    margin-top: .2rem;
+    opacity: .9;
+}
+
+
+.btn {
+    color: rgba(255,255,255,0.9);
+}
+
+
+   .btn:hover {
+    color: rgba(255,255,255,1);
+    text-decoration: none;
+    background-color: rgba(255,255,255,0.1);
+    border-color: rgba(255,255,255,0.6);
+    }

demo/es5/fg-collapse.js

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+"use strict";
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }
+
+function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
+
+function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
+
+function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+var carousel = /*#__PURE__*/function (_HTMLElement) {
+  _inherits(carousel, _HTMLElement);
+
+  var _super = _createSuper(carousel);
+
+  function carousel() {
+    _classCallCheck(this, carousel);
+
+    return _super.call(this);
+  }
+
+  _createClass(carousel, [{
+    key: "connectedCallback",
+    value: function connectedCallback() {
+      this.toggletext = "Toggle";
+      var toggleAttr = this.getAttribute("toggletext");
+      this.toggletext = toggleAttr !== null ? toggleAttr : this.toggletext;
+      this.carouseld = this.getAttribute("carouseld") !== false;
+      this.classList.add("carousel");
+      this.initEvent = this.makeEvent("init");
+      this.expandEvent = this.makeEvent("expand");
+      this.carouselEvent = this.makeEvent("carouselEvent");
+      this.headerBtn = this.firstElementChild;
+      this.content = this.headerBtn.nextElementSibling;
+      this.appendBtn();
+      this.setRelationship();
+      this.bindEvents();
+      this.setState();
+      this.dispatchEvent(this.initEvent);
+    }
+  }, {
+    key: "makeEvent",
+    value: function makeEvent(evtName) {
+      if (typeof window.CustomEvent === "function") {
+        return new CustomEvent(evtName, {
+          bubbles: true,
+          cancelable: false
+        });
+      } else {
+        var evt = document.createEvent('CustomEvent');
+        evt.initCustomEvent(evtName, true, true, {});
+        return evt;
+      }
+    }
+  }, {
+    key: "appendBtn",
+    value: function appendBtn() {
+      var whichMatches = Element.prototype.matches || Element.prototype.msMatchesSelector;
+
+      if (!whichMatches.call(this.headerBtn, "button")) {
+        var btn = document.createElement("button");
+        btn.innerHTML = this.toggletext;
+        this.headerBtn.appendChild(btn);
+        this.headerBtn = btn;
+      }
+    }
+  }, {
+    key: "setRelationship",
+    value: function setRelationship() {
+      this.contentId = this.content.id || "carousel_" + new Date().getTime();
+      this.content.id = this.contentId;
+      this.headerBtn.setAttribute("aria-controls", this.content.id);
+    }
+  }, {
+    key: "expand",
+    value: function expand() {
+      this.headerBtn.setAttribute("aria-expanded", "true");
+      this.removeAttribute("carouseld");
+      this.carouseld = false;
+      this.dispatchEvent(this.expandEvent);
+    }
+  }, {
+    key: "carousel",
+    value: function carousel() {
+      this.headerBtn.setAttribute("aria-expanded", "false");
+      this.setAttribute("carouseld", "");
+      this.carouseld = true;
+      this.dispatchEvent(this.carouselEvent);
+    }
+  }, {
+    key: "setState",
+    value: function setState() {
+      if (this.carouseld) {
+        this.carousel();
+      } else {
+        this.expand();
+      }
+    }
+  }, {
+    key: "toggle",
+    value: function toggle() {
+      if (this.carouseld) {
+        this.expand();
+      } else {
+        this.carousel();
+      }
+    }
+  }, {
+    key: "disconnectedCallback",
+    value: function disconnectedCallback() {// if needed..
+    }
+  }, {
+    key: "bindEvents",
+    value: function bindEvents() {
+      var self = this;
+      this.firstElementChild.addEventListener('click', function (event) {
+        return self.toggle();
+      });
+    }
+  }]);
+
+  return carousel;
+}( /*#__PURE__*/_wrapNativeSuper(HTMLElement));
+
+if ('customElements' in window) {
+  customElements.define('fg-carousel', carousel);
+}