invoiceninja/public/js/clients/shared/pdf.js

/*! For license information please see pdf.js.LICENSE.txt */
(()=>{function t(e){return t="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(e)}function e(){"use strict";e=function(){return r};var r={},n=Object.prototype,o=n.hasOwnProperty,i=Object.defineProperty||function(t,e,r){t[e]=r.value},a="function"==typeof Symbol?Symbol:{},c=a.iterator||"@@iterator",u=a.asyncIterator||"@@asyncIterator",l=a.toStringTag||"@@toStringTag";function s(t,e,r){return Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{s({},"")}catch(t){s=function(t,e,r){return t[e]=r}}function h(t,e,r,n){var o=e&&e.prototype instanceof p?e:p,a=Object.create(o.prototype),c=new j(n||[]);return i(a,"_invoke",{value:P(t,r,c)}),a}function f(t,e,r){try{return{type:"normal",arg:t.call(e,r)}}catch(t){return{type:"throw",arg:t}}}r.wrap=h;var d={};function p(){}function v(){}function y(){}var g={};s(g,c,(function(){return this}));var m=Object.getPrototypeOf,w=m&&m(m(O([])));w&&w!==n&&o.call(w,c)&&(g=w);var x=y.prototype=p.prototype=Object.create(g);function b(t){["next","throw","return"].forEach((function(e){s(t,e,(function(t){return this._invoke(e,t)}))}))}function E(e,r){function n(i,a,c,u){var l=f(e[i],e,a);if("throw"!==l.type){var s=l.arg,h=s.value;return h&&"object"==t(h)&&o.call(h,"__await")?r.resolve(h.__await).then((function(t){n("next",t,c,u)}),(function(t){n("throw",t,c,u)})):r.resolve(h).then((function(t){s.value=t,c(s)}),(function(t){return n("throw",t,c,u)}))}u(l.arg)}var a;i(this,"_invoke",{value:function(t,e){function o(){return new r((function(r,o){n(t,e,r,o)}))}return a=a?a.then(o,o):o()}})}function P(t,e,r){var n="suspendedStart";return function(o,i){if("executing"===n)throw new Error("Generator is already running");if("completed"===n){if("throw"===o)throw i;return _()}for(r.method=o,r.arg=i;;){var a=r.delegate;if(a){var c=L(a,r);if(c){if(c===d)continue;return c}}if("next"===r.method)r.sent=r._sent=r.arg;else if("throw"===r.method){if("suspendedStart"===n)throw n="completed",r.arg;r.dispatchException(r.arg)}else"return"===r.method&&r.abrupt("return",r.arg);n="executing";var u=f(t,e,r);if("normal"===u.type){if(n=r.done?"completed":"suspendedYield",u.arg===d)continue;return{value:u.arg,done:r.done}}"throw"===u.type&&(n="completed",r.method="throw",r.arg=u.arg)}}}function L(t,e){var r=e.method,n=t.iterator[r];if(void 0===n)return e.delegate=null,"throw"===r&&t.iterator.return&&(e.method="return",e.arg=void 0,L(t,e),"throw"===e.method)||"return"!==r&&(e.method="throw",e.arg=new TypeError("The iterator does not provide a '"+r+"' method")),d;var o=f(n,t.iterator,e.arg);if("throw"===o.type)return e.method="throw",e.arg=o.arg,e.delegate=null,d;var i=o.arg;return i?i.done?(e[t.resultName]=i.value,e.next=t.nextLoc,"return"!==e.method&&(e.method="next",e.arg=void 0),e.delegate=null,d):i:(e.method="throw",e.arg=new TypeError("iterator result is not an object"),e.delegate=null,d)}function S(t){var e={tryLoc:t[0]};1 in t&&(e.catchLoc=t[1]),2 in t&&(e.finallyLoc=t[2],e.afterLoc=t[3]),this.tryEntries.push(e)}function k(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function j(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(S,this),this.reset(!0)}function O(t){if(t){var e=t[c];if(e)return e.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var r=-1,n=function e(){for(;++r<t.length;)if(o.call(t,r))return e.value=t[r],e.done=!1,e;return e.value=void 0,e.done=!0,e};return n.next=n}}return{next:_}}function _(){return{value:void 0,done:!0}}return v.prototype=y,i(x,"constructor",{value:y,configurable:!0}),i(y,"constructor",{value:v,configurable:!0}),v.displayName=s(y,l,"GeneratorFunction"),r.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===v||"GeneratorFunction"===(e.displayName||e.name))},r.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,y):(t.__proto__=y,s(t,l,"GeneratorFunction")),t.prototype=Object.create(x),t},r.awrap=function(t){return{__await:t}},b(E.prototype),s(E.prototype,u,(function(){return this})),r.AsyncIterator=E,r.async=function(t,e,n,o,i){void 0===i&&(i=Promise);var a=new E(h(t,e,n,o),i);return r.isGeneratorFunction(e)?a:a.next().then((function(t){return t.done?t.value:a.next()}))},b(x),s(x,l,"Generator"),s(x,c,(function(){return this})),s(x,"toString",(function(){return"[object Generator]"})),r.keys=function(t){var e=Object(t),r=[];for(var n in e)r.push(n);return r.reverse(),function t(){for(;r.length;){var n=r.pop();if(n in e)return t.value=n,t.done=!1,t}return t.done=!0,t}},r.values=O,j.prototype={constructor:j,reset:function(t){if(this.prev=0,this.next=0,this.sent=this._sent=void 0,this.done=!1,this.delegate=null,this.method="next",this.arg=void 0,this.tryEntries.forEach(k),!t)for(var e in this)"t"===e.charAt(0)&&o.call(this,e)&&!isNaN(+e.slice(1))&&(this[e]=void 0)},stop:function(){this.done=!0;var t=this.tryEntries[0].completion;if("throw"===t.type)throw t.arg;return this.rval},dispatchException:function(t){if(this.done)throw t;var e=this;function r(r,n){return a.type="throw",a.arg=t,e.next=r,n&&(e.method="next",e.arg=void 0),!!n}for(var n=this.tryEntries.length-1;n>=0;--n){var i=this.tryEntries[n],a=i.completion;if("root"===i.tryLoc)return r("end");if(i.tryLoc<=this.prev){var c=o.call(i,"catchLoc"),u=o.call(i,"finallyLoc");if(c&&u){if(this.prev<i.catchLoc)return r(i.catchLoc,!0);if(this.prev<i.finallyLoc)return r(i.finallyLoc)}else if(c){if(this.prev<i.catchLoc)return r(i.catchLoc,!0)}else{if(!u)throw new Error("try statement without catch or finally");if(this.prev<i.finallyLoc)return r(i.finallyLoc)}}}},abrupt:function(t,e){for(var r=this.tryEntries.length-1;r>=0;--r){var n=this.tryEntries[r];if(n.tryLoc<=this.prev&&o.call(n,"finallyLoc")&&this.prev<n.finallyLoc){var i=n;break}}i&&("break"===t||"continue"===t)&&i.tryLoc<=e&&e<=i.finallyLoc&&(i=null);var a=i?i.completion:{};return a.type=t,a.arg=e,i?(this.method="next",this.next=i.finallyLoc,d):this.complete(a)},complete:function(t,e){if("throw"===t.type)throw t.arg;return"break"===t.type||"continue"===t.type?this.next=t.arg:"return"===t.type?(this.rval=this.arg=t.arg,this.method="return",this.next="end"):"normal"===t.type&&e&&(this.next=e),d},finish:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var r=this.tryEntries[e];if(r.finallyLoc===t)return this.complete(r.completion,r.afterLoc),k(r),d}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var r=this.tryEntries[e];if(r.tryLoc===t){var n=r.completion;if("throw"===n.type){var o=n.arg;k(r)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,e,r){return this.delegate={iterator:O(t),resultName:e,nextLoc:r},"next"===this.method&&(this.arg=void 0),d}},r}function r(t,e,r,n,o,i,a){try{var c=t[i](a),u=c.value}catch(t){return void r(t)}c.done?e(u):Promise.resolve(u).then(n,o)}function n(e,r){for(var n=0;n<r.length;n++){var o=r[n];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(e,(i=o.key,a=void 0,a=function(e,r){if("object"!==t(e)||null===e)return e;var n=e[Symbol.toPrimitive];if(void 0!==n){var o=n.call(e,r||"default");if("object"!==t(o))return o;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===r?String:Number)(e)}(i,"string"),"symbol"===t(a)?a:String(a)),o)}var i,a}var o=function(){function t(e,r){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.url=e,this.canvas=r,this.context=r.getContext("2d"),this.currentPage=1,this.maxPages=1,this.currentScale=1.25,this.currentScaleText=document.getElementById("zoom-level"),matchMedia("only screen and (max-width: 480px)").matches&&(this.currentScale=1.25),this.currentScaleText.textContent=100*this.currentScale+"%"}var o,i,a,c,u;return o=t,i=[{key:"handlePreviousPage",value:function(){1!=this.currentPage&&(this.currentPage-=1,this.handle())}},{key:"handleNextPage",value:function(){this.currentPage!=this.maxPages&&(this.currentPage+=1,this.handle())}},{key:"handleZoomChange",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;if(.25!=this.currentScale||t)return t?(this.currentScale+=.25,this.currentScaleText.textContent=100*this.currentScale+"%",this.handle()):(this.currentScale-=.25,this.currentScaleText.textContent=100*this.currentScale+"%",this.handle())}},{key:"prepare",value:function(){var t=this;return document.getElementById("previous-page-button").addEventListener("click",(function(){return t.handlePreviousPage()})),document.getElementById("next-page-button").addEventListener("click",(function(){return t.handleNextPage()})),document.getElementById("zoom-in").addEventListener("click",(function(){return t.handleZoomChange(!0)})),document.getElementById("zoom-out").addEventListener("click",(function(){return t.handleZoomChange()})),document.querySelector("meta[name=pdf-url]").addEventListener("change",(function(){t.canvas.getContext("2d").clearRect(0,0,t.canvas.width,t.canvas.height),t.url=document.querySelector("meta[name='pdf-url']").content,t.handle()})),this}},{key:"setPagesInViewport",value:function(){var t=document.getElementById("current-page-container"),e=document.getElementById("total-page-container"),r=document.getElementById("pagination-button-container");t.innerText=this.currentPage,e.innerText=this.maxPages,this.maxPages>1&&(r.style.display="flex")}},{key:"handle",value:(c=e().mark((function t(){var r,n,o;return e().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,pdfjsLib.getDocument(this.url).promise;case 2:return r=t.sent,t.next=5,r.getPage(this.currentPage);case 5:return n=t.sent,this.maxPages=r.numPages,t.next=9,n.getViewport({scale:this.currentScale});case 9:o=t.sent,this.canvas.height=o.height,this.canvas.width=o.width,n.render({canvasContext:this.context,viewport:o}),this.setPagesInViewport();case 14:case"end":return t.stop()}}),t,this)})),u=function(){var t=this,e=arguments;return new Promise((function(n,o){var i=c.apply(t,e);function a(t){r(i,n,o,a,u,"next",t)}function u(t){r(i,n,o,a,u,"throw",t)}a(void 0)}))},function(){return u.apply(this,arguments)})}],i&&n(o.prototype,i),a&&n(o,a),Object.defineProperty(o,"prototype",{writable:!1}),t}();new o(document.querySelector("meta[name='pdf-url']").content,document.getElementById("pdf-placeholder")).prepare().handle()})();