@elibrary-inno/bookreader/BookReader/plugins/plugin.tts.js

The Internet Archive BookReader.

/*! For license information please see plugin.tts.js.LICENSE.txt */
(self.webpackChunk_internetarchive_bookreader=self.webpackChunk_internetarchive_bookreader||[]).push([[34],{2862:function(t,e,n){"use strict";n(4916),n(1539),n(9714),n(4723),n(9826),n(2222),n(9600),n(1249),n(8309),n(2707),n(7327),n(6755),n(4678),n(9720),n(4747),n(8674),n(2526),n(1817),n(2165),n(6992),n(8783),n(3948),n(2443),n(3680),n(3706),n(2703),n(489),n(5069),n(7042),n(1038),n(6649),n(6078),n(9653),n(2419),n(4819),n(5003),n(5306),n(9601);var r=n(5311);function o(t){return o="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},o(t)}function i(t,e){return function(t){if(Array.isArray(t))return t}(t)||function(t,e){var n=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null!=n){var r,o,i,a,s=[],u=!0,l=!1;try{if(i=(n=n.call(t)).next,0===e){if(Object(n)!==n)return;u=!1}else for(;!(u=(r=i.call(n)).done)&&(s.push(r.value),s.length!==e);u=!0);}catch(t){l=!0,o=t}finally{try{if(!u&&null!=n.return&&(a=n.return(),Object(a)!==a))return}finally{if(l)throw o}}return s}}(t,e)||function(t,e){if(t){if("string"==typeof t)return a(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?a(t,e):void 0}}(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 a(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n<e;n++)r[n]=t[n];return r}function s(){s=function(){return t};var t={},e=Object.prototype,n=e.hasOwnProperty,r=Object.defineProperty||function(t,e,n){t[e]=n.value},i="function"==typeof Symbol?Symbol:{},a=i.iterator||"@@iterator",u=i.asyncIterator||"@@asyncIterator",l=i.toStringTag||"@@toStringTag";function c(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{c({},"")}catch(t){c=function(t,e,n){return t[e]=n}}function h(t,e,n,o){var i=e&&e.prototype instanceof p?e:p,a=Object.create(i.prototype),s=new x(o||[]);return r(a,"_invoke",{value:_(t,n,s)}),a}function f(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=h;var d={};function p(){}function y(){}function v(){}var m={};c(m,a,(function(){return this}));var g=Object.getPrototypeOf,A=g&&g(g(L([])));A&&A!==e&&n.call(A,a)&&(m=A);var b=v.prototype=p.prototype=Object.create(m);function w(t){["next","throw","return"].forEach((function(e){c(t,e,(function(t){return this._invoke(e,t)}))}))}function k(t,e){function i(r,a,s,u){var l=f(t[r],t,a);if("throw"!==l.type){var c=l.arg,h=c.value;return h&&"object"==o(h)&&n.call(h,"__await")?e.resolve(h.__await).then((function(t){i("next",t,s,u)}),(function(t){i("throw",t,s,u)})):e.resolve(h).then((function(t){c.value=t,s(c)}),(function(t){return i("throw",t,s,u)}))}u(l.arg)}var a;r(this,"_invoke",{value:function(t,n){function r(){return new e((function(e,r){i(t,n,e,r)}))}return a=a?a.then(r,r):r()}})}function _(t,e,n){var r="suspendedStart";return function(o,i){if("executing"===r)throw new Error("Generator is already running");if("completed"===r){if("throw"===o)throw i;return{value:void 0,done:!0}}for(n.method=o,n.arg=i;;){var a=n.delegate;if(a){var s=V(a,n);if(s){if(s===d)continue;return s}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if("suspendedStart"===r)throw r="completed",n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r="executing";var u=f(t,e,n);if("normal"===u.type){if(r=n.done?"completed":"suspendedYield",u.arg===d)continue;return{value:u.arg,done:n.done}}"throw"===u.type&&(r="completed",n.method="throw",n.arg=u.arg)}}}function V(t,e){var n=e.method,r=t.iterator[n];if(void 0===r)return e.delegate=null,"throw"===n&&t.iterator.return&&(e.method="return",e.arg=void 0,V(t,e),"throw"===e.method)||"return"!==n&&(e.method="throw",e.arg=new TypeError("The iterator does not provide a '"+n+"' method")),d;var o=f(r,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 O(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 S(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function x(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(O,this),this.reset(!0)}function L(t){if(t){var e=t[a];if(e)return e.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var r=-1,o=function e(){for(;++r<t.length;)if(n.call(t,r))return e.value=t[r],e.done=!1,e;return e.value=void 0,e.done=!0,e};return o.next=o}}return{next:M}}function M(){return{value:void 0,done:!0}}return y.prototype=v,r(b,"constructor",{value:v,configurable:!0}),r(v,"constructor",{value:y,configurable:!0}),y.displayName=c(v,l,"GeneratorFunction"),t.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===y||"GeneratorFunction"===(e.displayName||e.name))},t.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,v):(t.__proto__=v,c(t,l,"GeneratorFunction")),t.prototype=Object.create(b),t},t.awrap=function(t){return{__await:t}},w(k.prototype),c(k.prototype,u,(function(){return this})),t.AsyncIterator=k,t.async=function(e,n,r,o,i){void 0===i&&(i=Promise);var a=new k(h(e,n,r,o),i);return t.isGeneratorFunction(n)?a:a.next().then((function(t){return t.done?t.value:a.next()}))},w(b),c(b,l,"Generator"),c(b,a,(function(){return this})),c(b,"toString",(function(){return"[object Generator]"})),t.keys=function(t){var e=Object(t),n=[];for(var r in e)n.push(r);return n.reverse(),function t(){for(;n.length;){var r=n.pop();if(r in e)return t.value=r,t.done=!1,t}return t.done=!0,t}},t.values=L,x.prototype={constructor:x,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(S),!t)for(var e in this)"t"===e.charAt(0)&&n.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(n,r){return a.type="throw",a.arg=t,e.next=n,r&&(e.method="next",e.arg=void 0),!!r}for(var o=this.tryEntries.length-1;o>=0;--o){var i=this.tryEntries[o],a=i.completion;if("root"===i.tryLoc)return r("end");if(i.tryLoc<=this.prev){var s=n.call(i,"catchLoc"),u=n.call(i,"finallyLoc");if(s&&u){if(this.prev<i.catchLoc)return r(i.catchLoc,!0);if(this.prev<i.finallyLoc)return r(i.finallyLoc)}else if(s){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 o=this.tryEntries[r];if(o.tryLoc<=this.prev&&n.call(o,"finallyLoc")&&this.prev<o.finallyLoc){var i=o;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 n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),S(n),d}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var o=r.arg;S(n)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,e,n){return this.delegate={iterator:L(t),resultName:e,nextLoc:n},"next"===this.method&&(this.arg=void 0),d}},t}function u(t,e,n,r,o,i,a){try{var s=t[i](a),u=s.value}catch(t){return void n(t)}s.done?e(u):Promise.resolve(u).then(r,o)}function l(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,(void 0,i=function(t,e){if("object"!==o(t)||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var r=n.call(t,"string");if("object"!==o(r))return r;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(t)}(r.key),"symbol"===o(i)?i:String(i)),r)}var i}var c=function(){function t(e,n,r,o){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.leafIndex=e,this.chunkIndex=n,this.text=r,this.lineRects=o}var e,n,o,a;return e=t,null,n=[{key:"fetch",value:(o=s().mark((function e(n,o,i){var a;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,r.ajax({type:"GET",url:"https://".concat(n,"/BookReader/BookReaderGetTextWrapper.php"),dataType:"jsonp",cache:!0,data:{path:"".concat(o,"_djvu.xml"),page:i}});case 2:return a=e.sent,e.abrupt("return",t._fromTextWrapperResponse(i,a));case 4:case"end":return e.stop()}}),e)})),a=function(){var t=this,e=arguments;return new Promise((function(n,r){var i=o.apply(t,e);function a(t){u(i,n,r,a,s,"next",t)}function s(t){u(i,n,r,a,s,"throw",t)}a(void 0)}))},function(t,e,n){return a.apply(this,arguments)})},{key:"_fromTextWrapperResponse",value:function(e,n){return n.map((function(n,r){var o=t._fixChunkRects(n.slice(1)),i=t._removeDanglingHyphens(n[0]);return new t(e,r,i,o)}))}},{key:"_fixChunkRects",value:function(t){if(t.length<2)return t;var e=i(t,2),n=e[0],r=e[1],o=i(n,3),a=o[0],s=o[1],u=o[2]-a,l=r[1]-r[3],c=r[2]-r[0],h=r[2];return u>30*c&&(n[2]=h,n[3]=s-l),t}},{key:"_removeDanglingHyphens",value:function(t){return t.replace(/[-¬]\s+/g,"")}}],n&&l(e,n),Object.defineProperty(e,"prototype",{writable:!1}),t}();function h(t){return h="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},h(t)}function f(){f=function(){return t};var t={},e=Object.prototype,n=e.hasOwnProperty,r=Object.defineProperty||function(t,e,n){t[e]=n.value},o="function"==typeof Symbol?Symbol:{},i=o.iterator||"@@iterator",a=o.asyncIterator||"@@asyncIterator",s=o.toStringTag||"@@toStringTag";function u(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{u({},"")}catch(t){u=function(t,e,n){return t[e]=n}}function l(t,e,n,o){var i=e&&e.prototype instanceof p?e:p,a=Object.create(i.prototype),s=new x(o||[]);return r(a,"_invoke",{value:_(t,n,s)}),a}function c(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=l;var d={};function p(){}function y(){}function v(){}var m={};u(m,i,(function(){return this}));var g=Object.getPrototypeOf,A=g&&g(g(L([])));A&&A!==e&&n.call(A,i)&&(m=A);var b=v.prototype=p.prototype=Object.create(m);function w(t){["next","throw","return"].forEach((function(e){u(t,e,(function(t){return this._invoke(e,t)}))}))}function k(t,e){function o(r,i,a,s){var u=c(t[r],t,i);if("throw"!==u.type){var l=u.arg,f=l.value;return f&&"object"==h(f)&&n.call(f,"__await")?e.resolve(f.__await).then((function(t){o("next",t,a,s)}),(function(t){o("throw",t,a,s)})):e.resolve(f).then((function(t){l.value=t,a(l)}),(function(t){return o("throw",t,a,s)}))}s(u.arg)}var i;r(this,"_invoke",{value:function(t,n){function r(){return new e((function(e,r){o(t,n,e,r)}))}return i=i?i.then(r,r):r()}})}function _(t,e,n){var r="suspendedStart";return function(o,i){if("executing"===r)throw new Error("Generator is already running");if("completed"===r){if("throw"===o)throw i;return{value:void 0,done:!0}}for(n.method=o,n.arg=i;;){var a=n.delegate;if(a){var s=V(a,n);if(s){if(s===d)continue;return s}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if("suspendedStart"===r)throw r="completed",n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r="executing";var u=c(t,e,n);if("normal"===u.type){if(r=n.done?"completed":"suspendedYield",u.arg===d)continue;return{value:u.arg,done:n.done}}"throw"===u.type&&(r="completed",n.method="throw",n.arg=u.arg)}}}function V(t,e){var n=e.method,r=t.iterator[n];if(void 0===r)return e.delegate=null,"throw"===n&&t.iterator.return&&(e.method="return",e.arg=void 0,V(t,e),"throw"===e.method)||"return"!==n&&(e.method="throw",e.arg=new TypeError("The iterator does not provide a '"+n+"' method")),d;var o=c(r,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 O(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 S(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function x(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(O,this),this.reset(!0)}function L(t){if(t){var e=t[i];if(e)return e.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var r=-1,o=function e(){for(;++r<t.length;)if(n.call(t,r))return e.value=t[r],e.done=!1,e;return e.value=void 0,e.done=!0,e};return o.next=o}}return{next:M}}function M(){return{value:void 0,done:!0}}return y.prototype=v,r(b,"constructor",{value:v,configurable:!0}),r(v,"constructor",{value:y,configurable:!0}),y.displayName=u(v,s,"GeneratorFunction"),t.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===y||"GeneratorFunction"===(e.displayName||e.name))},t.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,v):(t.__proto__=v,u(t,s,"GeneratorFunction")),t.prototype=Object.create(b),t},t.awrap=function(t){return{__await:t}},w(k.prototype),u(k.prototype,a,(function(){return this})),t.AsyncIterator=k,t.async=function(e,n,r,o,i){void 0===i&&(i=Promise);var a=new k(l(e,n,r,o),i);return t.isGeneratorFunction(n)?a:a.next().then((function(t){return t.done?t.value:a.next()}))},w(b),u(b,s,"Generator"),u(b,i,(function(){return this})),u(b,"toString",(function(){return"[object Generator]"})),t.keys=function(t){var e=Object(t),n=[];for(var r in e)n.push(r);return n.reverse(),function t(){for(;n.length;){var r=n.pop();if(r in e)return t.value=r,t.done=!1,t}return t.done=!0,t}},t.values=L,x.prototype={constructor:x,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(S),!t)for(var e in this)"t"===e.charAt(0)&&n.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(n,r){return a.type="throw",a.arg=t,e.next=n,r&&(e.method="next",e.arg=void 0),!!r}for(var o=this.tryEntries.length-1;o>=0;--o){var i=this.tryEntries[o],a=i.completion;if("root"===i.tryLoc)return r("end");if(i.tryLoc<=this.prev){var s=n.call(i,"catchLoc"),u=n.call(i,"finallyLoc");if(s&&u){if(this.prev<i.catchLoc)return r(i.catchLoc,!0);if(this.prev<i.finallyLoc)return r(i.finallyLoc)}else if(s){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 o=this.tryEntries[r];if(o.tryLoc<=this.prev&&n.call(o,"finallyLoc")&&this.prev<o.finallyLoc){var i=o;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 n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),S(n),d}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var o=r.arg;S(n)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,e,n){return this.delegate={iterator:L(t),resultName:e,nextLoc:n},"next"===this.method&&(this.arg=void 0),d}},t}function d(t,e,n,r,o,i,a){try{var s=t[i](a),u=s.value}catch(t){return void n(t)}s.done?e(u):Promise.resolve(u).then(r,o)}function p(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,(void 0,o=function(t,e){if("object"!==h(t)||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var r=n.call(t,"string");if("object"!==h(r))return r;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(t)}(r.key),"symbol"===h(o)?o:String(o)),r)}var o}var y=function(){function t(e,n,r){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this.pageCount=e,this.opts=Object.assign({},v,r),this._cursor={page:n,chunk:0},this._bufferedPages={},this._bufferingPages={},this._cursorLock=Promise.resolve()}var e,n,r,o;return e=t,n=[{key:"next",value:function(){var t=this;return this._cursorLock=this._cursorLock.then((function(){return t._nextUncontrolled()}))}},{key:"decrement",value:function(){var t=this;return this._cursorLock=this._cursorLock.then((function(){return t._decrementUncontrolled()}))}},{key:"_nextUncontrolled",value:(r=f().mark((function e(){var n;return f().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(this._cursor.page!=this.pageCount){e.next=2;break}return e.abrupt("return",Promise.resolve(t.AT_END));case 2:return this._recenterBuffer(this._cursor.page),e.next=5,this._fetchPageChunks(this._cursor.page);case 5:if(n=e.sent,this._cursor.chunk!=n.length){e.next=10;break}return this._cursor.page++,this._cursor.chunk=0,e.abrupt("return",this._nextUncontrolled());case 10:return e.abrupt("return",n[this._cursor.chunk++]);case 11:case"end":return e.stop()}}),e,this)})),o=function(){var t=this,e=arguments;return new Promise((function(n,o){var i=r.apply(t,e);function a(t){d(i,n,o,a,s,"next",t)}function s(t){d(i,n,o,a,s,"throw",t)}a(void 0)}))},function(){return o.apply(this,arguments)})},{key:"_decrementUncontrolled",value:function(){var t=this,e=Promise.resolve();return this._cursor.chunk>0?this._cursor.chunk--:this._cursor.page>0&&(this._cursor.page--,e=this._fetchPageChunks(this._cursor.page).then((function(e){if(0==e.length)return t._decrementUncontrolled();t._cursor.chunk=e.length-1}))),e.then((function(){return t._fetchPageChunks(t._cursor.page)}))}},{key:"_recenterBuffer",value:function(t){for(var e=Math.max(0,t-this.opts.pageBufferSize),n=Math.min(this.pageCount,t+this.opts.pageBufferSize+1),r=e;r<n;r++)this._fetchPageChunks(r);this._removePageFromBuffer(e-1),this._removePageFromBuffer(n+1)}},{key:"_removePageFromBuffer",value:function(t){delete this._bufferingPages[t],delete this._bufferedPages[t]}},{key:"_fetchPageChunks",value:function(t){var e=this;return t in this._bufferingPages?this._bufferingPages[t]:t in this._bufferedPages?Promise.resolve(this._bufferedPages[t]):(this._bufferingPages[t]=this._fetchPageChunksDirect(t).then((function(n){return delete e._bufferingPages[t],e._bufferedPages[t]=n,n})),this._bufferingPages[t])}},{key:"_fetchPageChunksDirect",value:function(t){return c.fetch(this.opts.server,this.opts.bookPath,t)}}],n&&p(e.prototype,n),Object.defineProperty(e,"prototype",{writable:!1}),t}();y.AT_END="__PageChunkIterator.AT_END__";var v={server:null,bookPath:null,pageBufferSize:2},m=n(5311);function g(t){return g="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},g(t)}function A(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,r=new Array(e);n<e;n++)r[n]=t[n];return r}function b(){b=function(){return t};var t={},e=Object.prototype,n=e.hasOwnProperty,r=Object.defineProperty||function(t,e,n){t[e]=n.value},o="function"==typeof Symbol?Symbol:{},i=o.iterator||"@@iterator",a=o.asyncIterator||"@@asyncIterator",s=o.toStringTag||"@@toStringTag";function u(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{u({},"")}catch(t){u=function(t,e,n){return t[e]=n}}function l(t,e,n,o){var i=e&&e.prototype instanceof f?e:f,a=Object.create(i.prototype),s=new x(o||[]);return r(a,"_invoke",{value:_(t,n,s)}),a}function c(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=l;var h={};function f(){}function d(){}function p(){}var y={};u(y,i,(function(){return this}));var v=Object.getPrototypeOf,m=v&&v(v(L([])));m&&m!==e&&n.call(m,i)&&(y=m);var A=p.prototype=f.prototype=Object.create(y);function w(t){["next","throw","return"].forEach((function(e){u(t,e,(function(t){return this._invoke(e,t)}))}))}function k(t,e){function o(r,i,a,s){var u=c(t[r],t,i);if("throw"!==u.type){var l=u.arg,h=l.value;return h&&"object"==g(h)&&n.call(h,"__await")?e.resolve(h.__await).then((function(t){o("next",t,a,s)}),(function(t){o("throw",t,a,s)})):e.resolve(h).then((function(t){l.value=t,a(l)}),(function(t){return o("throw",t,a,s)}))}s(u.arg)}var i;r(this,"_invoke",{value:function(t,n){function r(){return new e((function(e,r){o(t,n,e,r)}))}return i=i?i.then(r,r):r()}})}function _(t,e,n){var r="suspendedStart";return function(o,i){if("executing"===r)throw new Error("Generator is already running");if("completed"===r){if("throw"===o)throw i;return{value:void 0,done:!0}}for(n.method=o,n.arg=i;;){var a=n.delegate;if(a){var s=V(a,n);if(s){if(s===h)continue;return s}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if("suspendedStart"===r)throw r="completed",n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r="executing";var u=c(t,e,n);if("normal"===u.type){if(r=n.done?"completed":"suspendedYield",u.arg===h)continue;return{value:u.arg,done:n.done}}"throw"===u.type&&(r="completed",n.method="throw",n.arg=u.arg)}}}function V(t,e){var n=e.method,r=t.iterator[n];if(void 0===r)return e.delegate=null,"throw"===n&&t.iterator.return&&(e.method="return",e.arg=void 0,V(t,e),"throw"===e.method)||"return"!==n&&(e.method="throw",e.arg=new TypeError("The iterator does not provide a '"+n+"' method")),h;var o=c(r,t.iterator,e.arg);if("throw"===o.type)return e.method="throw",e.arg=o.arg,e.delegate=null,h;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,h):i:(e.method="throw",e.arg=new TypeError("iterator result is not an object"),e.delegate=null,h)}function O(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 S(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function x(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(O,this),this.reset(!0)}function L(t){if(t){var e=t[i];if(e)return e.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var r=-1,o=function e(){for(;++r<t.length;)if(n.call(t,r))return e.value=t[r],e.done=!1,e;return e.value=void 0,e.done=!0,e};return o.next=o}}return{next:M}}function M(){return{value:void 0,done:!0}}return d.prototype=p,r(A,"constructor",{value:p,configurable:!0}),r(p,"constructor",{value:d,configurable:!0}),d.displayName=u(p,s,"GeneratorFunction"),t.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===d||"GeneratorFunction"===(e.displayName||e.name))},t.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,p):(t.__proto__=p,u(t,s,"GeneratorFunction")),t.prototype=Object.create(A),t},t.awrap=function(t){return{__await:t}},w(k.prototype),u(k.prototype,a,(function(){return this})),t.AsyncIterator=k,t.async=function(e,n,r,o,i){void 0===i&&(i=Promise);var a=new k(l(e,n,r,o),i);return t.isGeneratorFunction(n)?a:a.next().then((function(t){return t.done?t.value:a.next()}))},w(A),u(A,s,"Generator"),u(A,i,(function(){return this})),u(A,"toString",(function(){return"[object Generator]"})),t.keys=function(t){var e=Object(t),n=[];for(var r in e)n.push(r);return n.reverse(),function t(){for(;n.length;){var r=n.pop();if(r in e)return t.value=r,t.done=!1,t}return t.done=!0,t}},t.values=L,x.prototype={constructor:x,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(S),!t)for(var e in this)"t"===e.charAt(0)&&n.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(n,r){return a.type="throw",a.arg=t,e.next=n,r&&(e.method="next",e.arg=void 0),!!r}for(var o=this.tryEntries.length-1;o>=0;--o){var i=this.tryEntries[o],a=i.completion;if("root"===i.tryLoc)return r("end");if(i.tryLoc<=this.prev){var s=n.call(i,"catchLoc"),u=n.call(i,"finallyLoc");if(s&&u){if(this.prev<i.catchLoc)return r(i.catchLoc,!0);if(this.prev<i.finallyLoc)return r(i.finallyLoc)}else if(s){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 o=this.tryEntries[r];if(o.tryLoc<=this.prev&&n.call(o,"finallyLoc")&&this.prev<o.finallyLoc){var i=o;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,h):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),h},finish:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),S(n),h}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var o=r.arg;S(n)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,e,n){return this.delegate={iterator:L(t),resultName:e,nextLoc:n},"next"===this.method&&(this.arg=void 0),h}},t}function w(t,e,n,r,o,i,a){try{var s=t[i](a),u=s.value}catch(t){return void n(t)}s.done?e(u):Promise.resolve(u).then(r,o)}function k(t){return function(){var e=this,n=arguments;return new Promise((function(r,o){var i=t.apply(e,n);function a(t){w(i,r,o,a,s,"next",t)}function s(t){w(i,r,o,a,s,"throw",t)}a(void 0)}))}}function _(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,V(r.key),r)}}function V(t){var e=function(t,e){if("object"!==g(t)||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var r=n.call(t,"string");if("object"!==g(r))return r;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(t)}(t);return"symbol"===g(e)?e:String(e)}var O=function(){function t(e){var n,r,o,i=this;!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),n=this,o=function(){i.voice=t.getBestBookVoice(i.getVoices(),i.opts.bookLanguage)},(r=V(r="updateBestVoice"))in n?Object.defineProperty(n,r,{value:o,enumerable:!0,configurable:!0,writable:!0}):n[r]=o,this.playing=!1,this.paused=!1,this.opts=e,this._chunkIterator=null,this.activeSound=null,this.playbackRate=1,this.events=m({}),this.voice=null,this.events.on("voiceschanged",this.updateBestVoice),this.events.trigger("voiceschanged")}var e,n,r,o,i;return e=t,n=[{key:"getVoices",value:function(){throw new Error("Unimplemented abstract class")}},{key:"init",value:function(){return null}},{key:"start",value:function(t,e){this.playing=!0,this.paused=!1,this.opts.onLoadingStart(),this._chunkIterator=new y(e,t,{server:this.opts.server,bookPath:this.opts.bookPath,pageBufferSize:5}),this.step(),this.events.trigger("start")}},{key:"stop",value:function(){this.activeSound&&this.activeSound.stop(),this.playing=!1,this.paused=!0,this._chunkIterator=null,this.activeSound=null,this.events.trigger("stop")}},{key:"pause",value:function(){var t=!this.paused&&this.activeSound;this.paused=!0,this.activeSound&&this.activeSound.pause(),t&&this.events.trigger("pause")}},{key:"resume",value:function(){var t=this.paused&&this.activeSound;this.paused=!1,this.activeSound&&this.activeSound.resume(),t&&this.events.trigger("resume")}},{key:"togglePlayPause",value:function(){this.paused?this.resume():this.pause()}},{key:"jumpForward",value:function(){this.activeSound&&this.activeSound.finish()}},{key:"jumpBackward",value:(i=k(b().mark((function t(){var e=this;return b().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,Promise.all([this.activeSound.stop(),this._chunkIterator.decrement().then((function(){return e._chunkIterator.decrement()}))]);case 2:this.step();case 3:case"end":return t.stop()}}),t,this)}))),function(){return i.apply(this,arguments)})},{key:"setVoice",value:function(t){this.events.off("voiceschanged",this.updateBestVoice),this.voice=this.getVoices().find((function(e){return e.voiceURI===t})),this.opts.bookLanguage&&localStorage.setItem("BRtts-voice-".concat(this.opts.bookLanguage),this.voice.voiceURI),this.activeSound&&this.activeSound.setVoice(this.voice)}},{key:"setPlaybackRate",value:function(t){this.playbackRate=t,this.activeSound&&this.activeSound.setPlaybackRate(t)}},{key:"step",value:(o=k(b().mark((function t(){var e,n,r,o=this;return b().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,this._chunkIterator.next();case 2:if((e=t.sent)!=y.AT_END){t.next=7;break}return this.stop(),this.opts.onDone(),t.abrupt("return");case 7:return this.opts.onLoadingStart(),(n=this.createSound(e)).chunk=e,n.rate=this.playbackRate,n.voice=this.voice,n.load((function(){return o.opts.onLoadingComplete()})),this.opts.onLoadingComplete(),t.next=16,this.opts.beforeChunkPlay(e);case 16:if(this.playing){t.next=18;break}return t.abrupt("return");case 18:return t.next=20,this.playSound(n).then((function(){return o.opts.afterChunkPlay(n.chunk)}));case 20:return r=t.sent,this.paused&&this.pause(),t.next=24,r;case 24:if(!this.playing){t.next=26;break}return t.abrupt("return",this.step());case 26:case"end":return t.stop()}}),t,this)}))),function(){return o.apply(this,arguments)})},{key:"createSound",value:function(t){throw new Error("Unimplemented abstract class")}},{key:"playSound",value:function(t){return this.activeSound=t,this.activeSound.loaded||this.opts.onLoadingStart(),this.activeSound.play()}},{key:"getBestVoice",value:function(){return t.getBestBookVoice(this.getVoices(),this.opts.bookLanguage)}}],r=[{key:"isSupported",value:function(){throw new Error("Unimplemented abstract class")}},{key:"getBestBookVoice",value:function(e,n){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:navigator.languages,o=e.filter((function(t){return t.lang.startsWith(n)})),i=(r=r||(navigator.language?[navigator.language]:[])).filter((function(t){return t.startsWith(n)}));return t.getMatchingStoredVoice(o,n)||t.getMatchingVoice(i,o)||o.find((function(t){return t.default}))||o[0]||t.getMatchingVoice(r,e)||e.find((function(t){return t.default}))||e[0]}},{key:"getMatchingStoredVoice",value:function(t,e){var n=localStorage.getItem("BRtts-voice-".concat(e));return n?t.find((function(t){return t.voiceURI===n})):void 0}},{key:"getMatchingVoice",value:function(t,e){var n,r=function(t,e){var n="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!n){if(Array.isArray(t)||(n=function(t,e){if(t){if("string"==typeof t)return A(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?A(t,e):void 0}}(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var r=0,o=function(){};return{s:o,n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},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 i,a=!0,s=!1;return{s:function(){n=n.call(t)},n:function(){var t=n.next();return a=t.done,t},e:function(t){s=!0,i=t},f:function(){try{a||null==n.return||n.return()}finally{if(s)throw i}}}}(t);try{var o=function(){var t=n.value,r=e.filter((function(e){return e.lang.replace("_","-").startsWith(t)}));if(r.length)return{v:r.find((function(t){return t.default}))||r[0]}};for(r.s();!(n=r.n()).done;){var i=o();if("object"===g(i))return i.v}}catch(t){r.e(t)}finally{r.f()}}}],n&&_(e.prototype,n),r&&_(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}(),S=n(5685),x=(n(5529),n(4371),n(5311));function L(t){return L="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},L(t)}function M(){M=function(){return t};var t={},e=Object.prototype,n=e.hasOwnProperty,r=Object.defineProperty||function(t,e,n){t[e]=n.value},o="function"==typeof Symbol?Symbol:{},i=o.iterator||"@@iterator",a=o.asyncIterator||"@@asyncIterator",s=o.toStringTag||"@@toStringTag";function u(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{u({},"")}catch(t){u=function(t,e,n){return t[e]=n}}function l(t,e,n,o){var i=e&&e.prototype instanceof f?e:f,a=Object.create(i.prototype),s=new O(o||[]);return r(a,"_invoke",{value:w(t,n,s)}),a}function c(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=l;var h={};function f(){}function d(){}function p(){}var y={};u(y,i,(function(){return this}));var v=Object.getPrototypeOf,m=v&&v(v(S([])));m&&m!==e&&n.call(m,i)&&(y=m);var g=p.prototype=f.prototype=Object.create(y);function A(t){["next","throw","return"].forEach((function(e){u(t,e,(function(t){return this._invoke(e,t)}))}))}function b(t,e){function o(r,i,a,s){var u=c(t[r],t,i);if("throw"!==u.type){var l=u.arg,h=l.value;return h&&"object"==L(h)&&n.call(h,"__await")?e.resolve(h.__await).then((function(t){o("next",t,a,s)}),(function(t){o("throw",t,a,s)})):e.resolve(h).then((function(t){l.value=t,a(l)}),(function(t){return o("throw",t,a,s)}))}s(u.arg)}var i;r(this,"_invoke",{value:function(t,n){function r(){return new e((function(e,r){o(t,n,e,r)}))}return i=i?i.then(r,r):r()}})}function w(t,e,n){var r="suspendedStart";return function(o,i){if("executing"===r)throw new Error("Generator is already running");if("completed"===r){if("throw"===o)throw i;return{value:void 0,done:!0}}for(n.method=o,n.arg=i;;){var a=n.delegate;if(a){var s=k(a,n);if(s){if(s===h)continue;return s}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if("suspendedStart"===r)throw r="completed",n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r="executing";var u=c(t,e,n);if("normal"===u.type){if(r=n.done?"completed":"suspendedYield",u.arg===h)continue;return{value:u.arg,done:n.done}}"throw"===u.type&&(r="completed",n.method="throw",n.arg=u.arg)}}}function k(t,e){var n=e.method,r=t.iterator[n];if(void 0===r)return e.delegate=null,"throw"===n&&t.iterator.return&&(e.method="return",e.arg=void 0,k(t,e),"throw"===e.method)||"return"!==n&&(e.method="throw",e.arg=new TypeError("The iterator does not provide a '"+n+"' method")),h;var o=c(r,t.iterator,e.arg);if("throw"===o.type)return e.method="throw",e.arg=o.arg,e.delegate=null,h;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,h):i:(e.method="throw",e.arg=new TypeError("iterator result is not an object"),e.delegate=null,h)}function _(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 V(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function O(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(_,this),this.reset(!0)}function S(t){if(t){var e=t[i];if(e)return e.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var r=-1,o=function e(){for(;++r<t.length;)if(n.call(t,r))return e.value=t[r],e.done=!1,e;return e.value=void 0,e.done=!0,e};return o.next=o}}return{next:x}}function x(){return{value:void 0,done:!0}}return d.prototype=p,r(g,"constructor",{value:p,configurable:!0}),r(p,"constructor",{value:d,configurable:!0}),d.displayName=u(p,s,"GeneratorFunction"),t.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===d||"GeneratorFunction"===(e.displayName||e.name))},t.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,p):(t.__proto__=p,u(t,s,"GeneratorFunction")),t.prototype=Object.create(g),t},t.awrap=function(t){return{__await:t}},A(b.prototype),u(b.prototype,a,(function(){return this})),t.AsyncIterator=b,t.async=function(e,n,r,o,i){void 0===i&&(i=Promise);var a=new b(l(e,n,r,o),i);return t.isGeneratorFunction(n)?a:a.next().then((function(t){return t.done?t.value:a.next()}))},A(g),u(g,s,"Generator"),u(g,i,(function(){return this})),u(g,"toString",(function(){return"[object Generator]"})),t.keys=function(t){var e=Object(t),n=[];for(var r in e)n.push(r);return n.reverse(),function t(){for(;n.length;){var r=n.pop();if(r in e)return t.value=r,t.done=!1,t}return t.done=!0,t}},t.values=S,O.prototype={constructor:O,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(V),!t)for(var e in this)"t"===e.charAt(0)&&n.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(n,r){return a.type="throw",a.arg=t,e.next=n,r&&(e.method="next",e.arg=void 0),!!r}for(var o=this.tryEntries.length-1;o>=0;--o){var i=this.tryEntries[o],a=i.completion;if("root"===i.tryLoc)return r("end");if(i.tryLoc<=this.prev){var s=n.call(i,"catchLoc"),u=n.call(i,"finallyLoc");if(s&&u){if(this.prev<i.catchLoc)return r(i.catchLoc,!0);if(this.prev<i.finallyLoc)return r(i.finallyLoc)}else if(s){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 o=this.tryEntries[r];if(o.tryLoc<=this.prev&&n.call(o,"finallyLoc")&&this.prev<o.finallyLoc){var i=o;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,h):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),h},finish:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),V(n),h}},catch:function(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var o=r.arg;V(n)}return o}}throw new Error("illegal catch attempt")},delegateYield:function(t,e,n){return this.delegate={iterator:S(t),resultName:e,nextLoc:n},"next"===this.method&&(this.arg=void 0),h}},t}function P(t,e,n,r,o,i,a){try{var s=t[i](a),u=s.value}catch(t){return void n(t)}s.done?e(u):Promise.resolve(u).then(r,o)}function E(t){return function(){var e=this,n=arguments;return new Promise((function(r,o){var i=t.apply(e,n);function a(t){P(i,r,o,a,s,"next",t)}function s(t){P(i,r,o,a,s,"throw",t)}a(void 0)}))}}function I(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function T(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,(void 0,o=function(t,e){if("object"!==L(t)||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var r=n.call(t,"string");if("object"!==L(r))return r;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(t)}(r.key),"symbol"===L(o)?o:String(o)),r)}var o}function q(t,e,n){return e&&T(t.prototype,e),n&&T(t,n),Object.defineProperty(t,"prototype",{writable:!1}),t}function R(){return R="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(t,e,n){var r=function(t,e){for(;!Object.prototype.hasOwnProperty.call(t,e)&&null!==(t=F(t)););return t}(t,e);if(r){var o=Object.getOwnPropertyDescriptor(r,e);return o.get?o.get.call(arguments.length<3?t:n):o.value}},R.apply(this,arguments)}function D(t,e){return D=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},D(t,e)}function F(t){return F=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)},F(t)}var C=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&D(t,e)}(i,t);var e,n,r,o=(n=i,r=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}}(),function(){var t,e=F(n);if(r){var o=F(this).constructor;t=Reflect.construct(e,arguments,o)}else t=e.apply(this,arguments);return function(t,e){if(e&&("object"===L(e)||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t)}(this,t)});function i(t){var e,n;return I(this,i),(n=o.call(this,t)).audioFormat=null!==(e=x.browser)&&void 0!==e&&e.mozilla?"ogg":"mp3",n}return q(i,[{key:"getVoices",value:function(){return[{default:!0,lang:"en-US",localService:!1,name:"Festival - English (US)",voiceURI:null}]}},{key:"init",value:function(){soundManager.setup({debugMode:!1,preferFlash:!0,url:"/bookreader/BookReader/soundmanager/swf",useHTML5Audio:!0,flashVersion:9})}},{key:"start",value:function(t,e){var n=this,r=null;navigator.userAgent.match(/mobile/i)&&(r=this.iOSCaptureUserIntentHack()),(r=r||Promise.resolve()).then((function(){return R(F(i.prototype),"start",n).call(n,t,e)}))}},{key:"createSound",value:function(t){return new j(this.getSoundUrl(t.text))}},{key:"getSoundUrl",value:function(t){return"https://"+this.opts.server+"/BookReader/BookReaderGetTTS.php?string="+encodeURIComponent(t)+"&format=."+this.audioFormat}},{key:"iOSCaptureUserIntentHack",value:(e=E(M().mark((function t(){var e;return M().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e=soundManager.createSound({url:B[this.audioFormat]}),t.next=3,new Promise((function(t){return e.play({onfinish:t})}));case 3:e.destruct();case 4:case"end":return t.stop()}}),t,this)}))),function(){return e.apply(this,arguments)})}],[{key:"isSupported",value:function(){return"undefined"!=typeof soundManager&&soundManager.supported()}}]),i}(O),j=function(){function t(e){I(this,t),this.soundUrl=e,this.sound=null,this.rate=1,this._finishResolver=null}var e;return q(t,[{key:"loaded",get:function(){return this.sound&&this.sound.loaded}},{key:"load",value:function(t){var e,n=this;return this.sound=soundManager.createSound({url:this.soundUrl,onload:function(){1!=n.rate&&n.sound.setPlaybackRate(n.rate),t()},onresume:(e=E(M().mark((function t(){return M().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,(0,S.sleep)(25);case 2:1!=n.rate&&n.sound.setPlaybackRate(n.rate);case 3:case"end":return t.stop()}}),t)}))),function(){return e.apply(this,arguments)})}),this.sound.load()}},{key:"play",value:(e=E(M().mark((function t(){var e=this;return M().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,new Promise((function(t){e._finishResolver=t,e.sound.play({onfinish:t})}));case 2:this.sound.destruct();case 3:case"end":return t.stop()}}),t,this)}))),function(){return e.apply(this,arguments)})},{key:"stop",value:function(){return this.sound.stop(),Promise.resolve()}},{key:"pause",value:function(){this.sound.pause()}},{key:"resume",value:function(){this.sound.resume()}},{key:"setPlaybackRate",value:function(t){this.rate=t,this.sound.setPlaybackRate(t)}},{key:"finish",value:function(){this.sound.stop(),this._finishResolver()}}]),t}(),B={mp3:"data:audio/mp3;base64,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",ogg:"data:audio/ogg;base64,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