fancyapps-ui/dist/panzoom.umd.js

// @fancyapps/ui/Panzoom v4.0.0-alpha.3
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).window=t.window||{})}(this,(function(t){"use strict";function e(t){return(e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function o(t,e,i){return e&&n(t.prototype,e),i&&n(t,i),t}function r(t){return(r=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function a(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function h(t,e){return!e||"object"!=typeof e&&"function"!=typeof e?a(t):e}function c(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}();return function(){var i,n=r(t);if(e){var o=r(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return h(this,i)}}function l(t,e){return function(t){if(Array.isArray(t))return t}(t)||function(t,e){var i=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null==i)return;var n,o,r=[],s=!0,a=!1;try{for(i=i.call(t);!(s=(n=i.next()).done)&&(r.push(n.value),!e||r.length!==e);s=!0);}catch(t){a=!0,o=t}finally{try{s||null==i.return||i.return()}finally{if(a)throw o}}return r}(t,e)||d(t,e)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function u(t){return function(t){if(Array.isArray(t))return f(t)}(t)||function(t){if("undefined"!=typeof Symbol&&null!=t[Symbol.iterator]||null!=t["@@iterator"])return Array.from(t)}(t)||d(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function d(t,e){if(t){if("string"==typeof t)return f(t,e);var i=Object.prototype.toString.call(t).slice(8,-1);return"Object"===i&&t.constructor&&(i=t.constructor.name),"Map"===i||"Set"===i?Array.from(t):"Arguments"===i||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(i)?f(t,e):void 0}}function f(t,e){(null==e||e>t.length)&&(e=t.length);for(var i=0,n=new Array(e);i<e;i++)n[i]=t[i];return n}function p(t,e){var i="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!i){if(Array.isArray(t)||(i=d(t))||e&&t&&"number"==typeof t.length){i&&(t=i);var n=0,o=function(){};return{s:o,n:function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}},e:function(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var r,s=!0,a=!1;return{s:function(){i=i.call(t)},n:function(){var t=i.next();return s=t.done,t},e:function(t){a=!0,r=t},f:function(){try{s||null==i.return||i.return()}finally{if(a)throw r}}}}var v=function(t){return"object"===e(t)&&null!==t&&t.constructor===Object&&"[object Object]"===Object.prototype.toString.call(t)},g=function t(){for(var i=!1,n=arguments.length,o=new Array(n),r=0;r<n;r++)o[r]=arguments[r];"boolean"==typeof o[0]&&(i=o.shift());var s=o[0];if(!s||"object"!==e(s))throw new Error("extendee must be an object");for(var a=o.slice(1),h=a.length,c=0;c<h;c++){var l=a[c];for(var u in l)if(l.hasOwnProperty(u)){var d=l[u];if(i&&(Array.isArray(d)||v(d))){var f=Array