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scandit-sdk

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Scandit Barcode Scanner SDK for the Web

www.scandit.com/products/sdk-web/

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/*! * @license * * Scandit Barcode Scanner SDK for the Web * v. 4.6.1 * * Copyright © 2019 Scandit AG. All Rights Reserved. * * The use of this software is governed by the Scandit Terms and Conditions. * https://ssl.scandit.com/terms/test.pdf * * The following sets forth attribution notices for third party software that may be contained in portions of the product. * https://docs.scandit.com/stable/web/LICENSE */ var e=Math.ceil,t=Math.floor,n=function(n){return isNaN(n=+n)?0:(n>0?t:e)(n)},r=function(e){if(null==e)throw TypeError("Can't call method on "+e);return e},i="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};function a(){throw new Error("Dynamic requires are not currently supported by rollup-plugin-commonjs")}function o(e,t){return e(t={exports:{}},t.exports),t.exports}var s=o((function(e){var t=e.exports="undefined"!=typeof window&&window.Math==Math?window:"undefined"!=typeof self&&self.Math==Math?self:Function("return this")();"number"==typeof __g&&(__g=t)})),c=o((function(e){var 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i||(i=t(this,e),this._senders.push(i)),i};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){i.apply(this,arguments);var t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}var a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var n=this;this._senders=this._senders||[],a.apply(this,[e]),e.getTracks().forEach((function(e){n._senders.push(t(n,e))}))};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[],o.apply(this,[e]),e.getTracks().forEach((function(e){var n=t._senders.find((function(t){return t.track===e}));n&&t._senders.splice(t._senders.indexOf(n),1)}))}}else if("object"===(void 0===e?"undefined":r(e))&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var s=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=s.apply(this,[]);return t.forEach((function(t){return t._pc=e})),t},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},n.shimGetStats=function(e){if(e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,n=Array.prototype.slice.call(arguments),r=n[0],i=n[1],a=n[2];if(arguments.length>0&&"function"==typeof r)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof r))return t.apply(this,[]);var o=function(e){var t={};return e.result().forEach((function(e){var 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n=this;if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach((function(e){if(n.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[t.id]){var i=new e.MediaStream(t.getTracks());this._streams[t.id]=i,this._reverseStreams[i.id]=t,t=i}r.apply(this,[t])};var i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){var r=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find((function(e){return e===t})))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");var a=this.getSenders().find((function(e){return e.track===t}));if(a)throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};var o=this._streams[n.id];if(o)o.addTrack(t),Promise.resolve().then((function(){r.dispatchEvent(new Event("negotiationneeded"))}));else{var s=new e.MediaStream([t]);this._streams[n.id]=s,this._reverseStreams[s.id]=n,this.addStream(s)}return this.getSenders().find((function(e){return e.track===t}))},["createOffer","createAnswer"].forEach((function(t){var n=e.RTCPeerConnection.prototype[t],r=s({},t,(function(){var e=this,t=arguments,r=arguments.length&&"function"==typeof arguments[0];return r?n.apply(this,[function(n){var r=l(e,n);t[0].apply(null,[r])},function(e){t[1]&&t[1].apply(null,e)},arguments[2]]):n.apply(this,arguments).then((function(t){return l(e,t)}))}));e.RTCPeerConnection.prototype[t]=r[t]}));var a=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=d(this,arguments[0]),a.apply(this,arguments)):a.apply(this,arguments)};var u=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=u.get.apply(this);return""===e.type?e:l(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface 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t=o.detectBrowser(e);if(!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection){t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var n=e.RTCPeerConnection.prototype[t],r=s({},t,(function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}));e.RTCPeerConnection.prototype[t]=r[t]}));var n=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?t.version<78&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}},n.fixNegotiationNeeded=function(e){o.wrapPeerConnectionEvent(e,"negotiationneeded",(function(e){if("stable"===e.target.signalingState)return e}))};var o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in 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t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((function(e){if(t.getSenders().find((function(t){return t.track===e})))throw new DOMException("Track already exists.","InvalidAccessError")}));var r=this.getSenders();n.apply(this,arguments);var i=this.getSenders().filter((function(e){return-1===r.indexOf(e)}));this._shimmedLocalStreams[e.id]=[e].concat(i)};var r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],r.apply(this,arguments)};var i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((function(n){var r=t._shimmedLocalStreams[n].indexOf(e);-1!==r&&t._shimmedLocalStreams[n].splice(r,1),1===t._shimmedLocalStreams[n].length&&delete t._shimmedLocalStreams[n]})),i.apply(this,arguments)}}},{"../utils.js":11,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(e,t,n){Object.defineProperty(n,"__esModule",{value:!0}),n.shimGetDisplayMedia=function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&("function"==typeof t?e.navigator.mediaDevices.getDisplayMedia=function(n){return t(n).then((function(t){var r=n.video&&n.video.width,i=n.video&&n.video.height,a=n.video&&n.video.frameRate;return n.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:a||3}},r&&(n.video.mandatory.maxWidth=r),i&&(n.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(n)}))}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}},{}],5:[function(e,t,n){Object.defineProperty(n,"__esModule",{value:!0});var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};n.shimGetUserMedia=function(e){var t=e&&e.navigator;if(t.mediaDevices){var n=i.detectBrowser(e),o=function(e){if("object"!==(void 0===e?"undefined":r(e))||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach((function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var i="object"===r(e[n])?e[n]:{ideal:e[n]};void 0!==i.exact&&"number"==typeof i.exact&&(i.min=i.max=i.exact);var a=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==i.ideal){t.optional=t.optional||[];var o={};"number"==typeof i.ideal?(o[a("min",n)]=i.ideal,t.optional.push(o),(o={})[a("max",n)]=i.ideal,t.optional.push(o)):(o[a("",n)]=i.ideal,t.optional.push(o))}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[a("",n)]=i.exact):["min","max"].forEach((function(e){void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[a(e,n)]=i[e])}))}})),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},s=function(e,i){if(n.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"===r(e.audio)){var s=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])};s((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),s(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=o(e.audio)}if(e&&"object"===r(e.video)){var c=e.video.facingMode;c=c&&("object"===(void 0===c?"undefined":r(c))?c:{ideal:c});var u=n.version<66;if(c&&("user"===c.exact||"environment"===c.exact||"user"===c.ideal||"environment"===c.ideal)&&(!t.mediaDevices.getSupportedConstraints||!t.mediaDevices.getSupportedConstraints().facingMode||u)){delete e.video.facingMode;var l=void 0;if("environment"===c.exact||"environment"===c.ideal?l=["back","rear"]:"user"!==c.exact&&"user"!==c.ideal||(l=["front"]),l)return t.mediaDevices.enumerateDevices().then((function(t){var n=(t=t.filter((function(e){return"videoinput"===e.kind}))).find((function(e){return l.some((function(t){return e.label.toLowerCase().includes(t)}))}));return!n&&t.length&&l.includes("back")&&(n=t[t.length-1]),n&&(e.video.deviceId=c.exact?{exact:n.deviceId}:{ideal:n.deviceId}),e.video=o(e.video),a("chrome: "+JSON.stringify(e)),i(e)}))}e.video=o(e.video)}return a("chrome: "+JSON.stringify(e)),i(e)},c=function(e){return n.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};if(t.getUserMedia=function(e,n,r){s(e,(function(e){t.webkitGetUserMedia(e,n,(function(e){r&&r(c(e))}))}))}.bind(t),t.mediaDevices.getUserMedia){var u=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return s(e,(function(e){return u(e).then((function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach((function(e){e.stop()})),new DOMException("","NotFoundError");return t}),(function(e){return Promise.reject(c(e))}))}))}}}};var i=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}(e("../utils.js")),a=i.log},{"../utils.js":11}],6:[function(e,t,n){Object.defineProperty(n,"__esModule",{value:!0});var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};n.shimRTCIceCandidate=function(e){if(e.RTCIceCandidate&&!(e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)){var t=e.RTCIceCandidate;e.RTCIceCandidate=function(e){if("object"===(void 0===e?"undefined":r(e))&&e.candidate&&0===e.candidate.indexOf("a=")&&((e=JSON.parse(JSON.stringify(e))).candidate=e.candidate.substr(2)),e.candidate&&e.candidate.length){var n=new t(e),i=a.default.parseCandidate(e.candidate),o=Object.assign(n,i);return o.toJSON=function(){return{candidate:o.candidate,sdpMid:o.sdpMid,sdpMLineIndex:o.sdpMLineIndex,usernameFragment:o.usernameFragment}},o}return new t(e)},e.RTCIceCandidate.prototype=t.prototype,o.wrapPeerConnectionEvent(e,"icecandidate",(function(t){return t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t}))}},n.shimMaxMessageSize=function(e){if(e.RTCPeerConnection){var t=o.detectBrowser(e);"sctp"in e.RTCPeerConnection.prototype||Object.defineProperty(e.RTCPeerConnection.prototype,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp}});var n=function(e){if(!e||!e.sdp)return!1;var t=a.default.splitSections(e.sdp);return t.shift(),t.some((function(e){var t=a.default.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")}))},r=function(e){var t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return-1;var n=parseInt(t[1],10);return n!=n?-1:n},i=function(e){var n=65536;return"firefox"===t.browser&&(n=t.version<57?-1===e?16384:2147483637:t.version<60?57===t.version?65535:65536:2147483637),n},s=function(e,n){var r=65536;"firefox"===t.browser&&57===t.version&&(r=65535);var i=a.default.matchPrefix(e.sdp,"a=max-message-size:");return i.length>0?r=parseInt(i[0].substr(19),10):"firefox"===t.browser&&-1!==n&&(r=2147483637),r},c=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){if(this._sctp=null,"chrome"===t.browser&&t.version>=76){var e=this.getConfiguration(),a=e.sdpSemantics;"plan-b"===a&&Object.defineProperty(this,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}if(n(arguments[0])){var o=r(arguments[0]),u=i(o),l=s(arguments[0],o),d=void 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t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0}),Object.defineProperty(t,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(e){this._onconnectionstatechange&&(this.removeEventListener("connectionstatechange",this._onconnectionstatechange),delete this._onconnectionstatechange),e&&this.addEventListener("connectionstatechange",this._onconnectionstatechange=e)},enumerable:!0,configurable:!0}),["setLocalDescription","setRemoteDescription"].forEach((function(e){var n=t[e];t[e]=function(){return this._connectionstatechangepoly||(this._connectionstatechangepoly=function(e){var t=e.target;if(t._lastConnectionState!==t.connectionState){t._lastConnectionState=t.connectionState;var n=new Event("connectionstatechange",e);t.dispatchEvent(n)}return e},this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)),n.apply(this,arguments)}}))}},n.removeAllowExtmapMixed=function(e){if(e.RTCPeerConnection){var t=o.detectBrowser(e);if(!("chrome"===t.browser&&t.version>=71)){var n=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(e){return e&&e.sdp&&-1!==e.sdp.indexOf("\na=extmap-allow-mixed")&&(e.sdp=e.sdp.split("\n").filter((function(e){return"a=extmap-allow-mixed"!==e.trim()})).join("\n")),n.apply(this,arguments)}}}};var i,a=(i=e("sdp"))&&i.__esModule?i:{default:i},o=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}(e("./utils"))},{"./utils":11,sdp:13}],7:[function(e,t,n){Object.defineProperty(n,"__esModule",{value:!0}),n.shimGetDisplayMedia=n.shimGetUserMedia=void 0;var r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return 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0===e?"undefined":r(e))&&(e.RTCPeerConnection||e.mozRTCPeerConnection)){if(!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){var n,r,i,a=e.RTCPeerConnection.prototype[t],o=(i=function(){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),a.apply(this,arguments)},(r=t)in(n={})?Object.defineProperty(n,r,{value:i,enumerable:!0,configurable:!0,writable:!0}):n[r]=i,n);e.RTCPeerConnection.prototype[t]=o[t]})),t.version<68){var n=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?arguments[0]&&""===arguments[0].candidate?Promise.resolve():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}var 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n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){var e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}},n.shimReceiverGetStats=function(e){if("object"===(void 0===e?"undefined":r(e))&&e.RTCPeerConnection&&e.RTCRtpSender&&!(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)){var t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,n=t.apply(this,[]);return n.forEach((function(t){return t._pc=e})),n}),o.wrapPeerConnectionEvent(e,"track",(function(e){return e.receiver._pc=e.srcElement,e})),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}},n.shimRemoveStream=function(e){!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;o.deprecated("removeStream","removeTrack"),this.getSenders().forEach((function(n){n.track&&e.getTracks().includes(n.track)&&t.removeTrack(n)}))})},n.shimRTCDataChannel=function(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)},n.shimAddTransceiver=function(e){if("object"===(void 0===e?"undefined":r(e))&&e.RTCPeerConnection){var t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var e=arguments[1],n=e&&"sendEncodings"in e;n&&e.sendEncodings.forEach((function(e){