a11y-dialog.min.js

/*! a11y-dialog 5.0.2 — © Edenspiekermann */
!function(t){"use strict";function e(t,e){this._show=this.show.bind(this),this._hide=this.hide.bind(this),this._maintainFocus=this._maintainFocus.bind(this),this._bindKeypress=this._bindKeypress.bind(this),this.container=t,this.dialog=t.querySelector("dialog"),this._listeners={},this.create(e)}function i(t){return Array.prototype.slice.call(t)}function n(t,e){return i((e||document).querySelectorAll(t))}function o(t){return NodeList.prototype.isPrototypeOf(t)?i(t):Element.prototype.isPrototypeOf(t)?[t]:"string"==typeof t?n(t):void 0}function s(t){var e=r(t),i=t.querySelector("[autofocus]")||e[0];i&&i.focus()}function r(t){return n(c.join(","),t).filter(function(t){return!!(t.offsetWidth||t.offsetHeight||t.getClientRects().length)})}function h(t,e){var i=r(t),n=i.indexOf(document.activeElement);e.shiftKey&&0===n?(i[i.length-1].focus(),e.preventDefault()):e.shiftKey||n!==i.length-1||(i[0].focus(),e.preventDefault())}function a(t){var e=i(t.parentNode.childNodes),n=e.filter(function(t){return 1===t.nodeType});return n.splice(n.indexOf(t),1),n}var d,c=['a[href]:not([tabindex^="-"]):not([inert])','area[href]:not([tabindex^="-"]):not([inert])',"input:not([disabled]):not([inert])","select:not([disabled]):not([inert])","textarea:not([disabled]):not([inert])","button:not([disabled]):not([inert])",'iframe:not([tabindex^="-"]):not([inert])','[contenteditable]:not([tabindex^="-"]):not([inert])','[tabindex]:not([tabindex^="-"]):not([inert])'],u="show"in document.createElement("dialog");e.prototype.create=function(t){return this._targets=this._targets||o(t)||a(this.container),this.shown=this.dialog.hasAttribute("open"),this.dialog.setAttribute("role","dialog"),u?this.container.setAttribute("data-a11y-dialog-native",""):this.shown?this.container.removeAttribute("aria-hidden"):this.container.setAttribute("aria-hidden",!0),this._openers=n('[data-a11y-dialog-show="'+this.container.id+'"]'),this._openers.forEach(function(t){t.addEventListener("click",this._show)}.bind(this)),this._closers=n("[data-a11y-dialog-hide]",this.container).concat(n('[data-a11y-dialog-hide="'+this.container.id+'"]')),this._closers.forEach(function(t){t.addEventListener("click",this._hide)}.bind(this)),this._fire("create"),this},e.prototype.show=function(t){return this.shown?this:(this.shown=!0,d=document.activeElement,u?this.dialog.showModal(t instanceof Event?void 0:t):(this.dialog.setAttribute("open",""),this.container.removeAttribute("aria-hidden"),this._targets.forEach(function(t){t.setAttribute("aria-hidden","true")})),s(this.dialog),document.body.addEventListener("focus",this._maintainFocus,!0),document.addEventListener("keydown",this._bindKeypress),this._fire("show",t),this)},e.prototype.hide=function(t){return this.shown?(this.shown=!1,u?this.dialog.close(t instanceof Event?void 0:t):(this.dialog.removeAttribute("open"),this.container.setAttribute("aria-hidden","true"),this._targets.forEach(function(t){t.removeAttribute("aria-hidden")})),d&&d.focus(),document.body.removeEventListener("focus",this._maintainFocus,!0),document.removeEventListener("keydown",this._bindKeypress),this._fire("hide",t),this):this},e.prototype.destroy=function(){return this.hide(),this._openers.forEach(function(t){t.removeEventListener("click",this._show)}.bind(this)),this._closers.forEach(function(t){t.removeEventListener("click",this._hide)}.bind(this)),this._fire("destroy"),this._listeners={},this},e.prototype.on=function(t,e){return void 0===this._listeners[t]&&(this._listeners[t]=[]),this._listeners[t].push(e),this},e.prototype.off=function(t,e){var i=this._listeners[t].indexOf(e);return i>-1&&this._listeners[t].splice(i,1),this},e.prototype._fire=function(t,e){(this._listeners[t]||[]).forEach(function(t){t(this.container,e)}.bind(this))},e.prototype._bindKeypress=function(t){this.shown&&27===t.which&&(t.preventDefault(),this.hide()),this.shown&&9===t.which&&h(this.dialog,t)},e.prototype._maintainFocus=function(t){this.shown&&!this.container.contains(t.target)&&s(this.dialog)},"undefined"!=typeof module&&void 0!==module.exports?module.exports=e:"function"==typeof define&&define.amd?define("A11yDialog",[],function(){return e}):"object"==typeof t&&(t.A11yDialog=e)}("undefined"!=typeof global?global:window);