tus-js-client/dist/tus.min.js

A pure JavaScript client for the tus resumable upload protocol

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Please use the URL storage API instead."),this.options=e,this.options.chunkSize=Number(this.options.chunkSize),this._urlStorage=this.options.urlStorage,this.file=t,this.url=null,this._req=null,this._fingerprint=null,this._urlStorageKey=null,this._offset=null,this._aborted=!1,this._size=null,this._source=null,this._retryAttempt=0,this._retryTimeout=null,this._offsetBeforeRetry=0,this._parallelUploads=null,this._parallelUploadUrls=null}return t=c,r=[{key:"terminate",value:function(o){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},u=E("DELETE",o,i);return U(u,null,i).then(function(t){if(204!==t.getStatus())throw new a.default("tus: unexpected response while terminating upload",null,u,t)}).catch(function(t){var e,r,n;if(O(t=t instanceof a.default?t:new a.default("tus: failed to terminate upload",t,u,null),0,i))return e=i.retryDelays[0],r=i.retryDelays.slice(1),n=d(d({},i),{},{retryDelays:r}),new Promise(function(t){return setTimeout(t,e)}).then(function(){return c.terminate(o,n)});throw t})}}],(e=[{key:"findPreviousUploads",value:function(){var e=this;return this.options.fingerprint(this.file,this.options).then(function(t){return e._urlStorage.findUploadsByFingerprint(t)})}},{key:"resumeFromPreviousUpload",value:function(t){this.url=t.uploadUrl||null,this._parallelUploadUrls=t.parallelUploadUrls||null,this._urlStorageKey=t.urlStorageKey}},{key:"start",value:function(){var e=this,r=this.file;if(r)if([v,m,b].includes(this.options.protocol))if(this.options.endpoint||this.options.uploadUrl||this.url){var t=this.options.retryDelays;if(null!=t&&"[object Array]"!==Object.prototype.toString.call(t))this._emitError(new Error("tus: the `retryDelays` option must either be an array or null"));else{if(1<this.options.parallelUploads)for(var n=0,o=["uploadUrl","uploadSize","uploadLengthDeferred"];n<o.length;n++){var i=o[n];if(this.options[i])return void this._emitError(new Error("tus: cannot use the ".concat(i," option when parallelUploads is enabled")))}if(this.options.parallelUploadBoundaries){if(this.options.parallelUploads<=1)return void this._emitError(new Error("tus: cannot use the `parallelUploadBoundaries` option when `parallelUploads` is disabled"));if(this.options.parallelUploads!==this.options.parallelUploadBoundaries.length)return void this._emitError(new Error("tus: the `parallelUploadBoundaries` must have the same length as the value of `parallelUploads`"))}this.options.fingerprint(r,this.options).then(function(t){return null==t?(0,u.log)("No fingerprint was calculated meaning that the upload cannot be stored in the URL storage."):(0,u.log)("Calculated fingerprint: ".concat(t)),e._fingerprint=t,e._source||e.options.fileReader.openFile(r,e.options.chunkSize)}).then(function(t){if(e._source=t,e.options.uploadLengthDeferred)e._size=null;else if(null!=e.options.uploadSize){if(e._size=Number(e.options.uploadSize),Number.isNaN(e._size))return void e._emitError(new Error("tus: cannot convert `uploadSize` option into a number"))}else if(e._size=e._source.size,null==e._size)return void e._emitError(new Error("tus: cannot automatically derive upload's size from input. Specify it manually using the `uploadSize` option or use the `uploadLengthDeferred` option"));1<e.options.parallelUploads||null!=e._parallelUploadUrls?e._startParallelUpload():e._startSingleUpload()}).catch(function(t){e._emitError(t)})}}else this._emitError(new Error("tus: neither an endpoint or an upload URL is provided"));else this._emitError(new Error("tus: unsupported protocol ".concat(this.options.protocol)));else this._emitError(new Error("tus: no file or stream to upload provided"))}},{key:"_startParallelUpload",value:function(){var r,a=this,s=this._size,l=0,t=(this._parallelUploads=[],null!=this._parallelUploadUrls?this._parallelUploadUrls.length:this.options.parallelUploads),f=null!=(e=this.options.parallelUploadBoundaries)?e:function(t,e){for(var r=Math.floor(t/e),n=[],o=0;o<e;o++)n.push({start:r*o,end:r*(o+1)});return n[e-1].end=t,n}(this._source.size,t),e=(this._parallelUploadUrls&&f.forEach(function(t,e){t.uploadUrl=a._parallelUploadUrls[e]||null}),this._parallelUploadUrls=new Array(f.length),f.map(function(o,i){var u=0;return a._source.slice(o.start,o.end).then(function(t){var n=t.value;return new Promise(function(t,e){var t=d(d({},a.options),{},{uploadUrl:o.uploadUrl||null,storeFingerprintForResuming:!1,removeFingerprintOnSuccess:!1,parallelUploads:1,parallelUploadBoundaries:null,metadata:a.options.metadataForPartialUploads,headers:d(d({},a.options.headers),{},{"Upload-Concat":"partial"}),onSuccess:t,onError:e,onProgress:function(t){l=l-u+t,u=t,a._emitProgress(l,s)},onUploadUrlAvailable:function(){a._parallelUploadUrls[i]=r.url,a._parallelUploadUrls.filter(function(t){return Boolean(t)}).length===f.length&&a._saveUploadInUrlStorage()}}),r=new c(n,t);r.start(),a._parallelUploads.push(r)})})}));Promise.all(e).then(function(){(r=a._openRequest("POST",a.options.endpoint)).setHeader("Upload-Concat","final;".concat(a._parallelUploadUrls.join(" ")));var t=_(a.options.metadata);return""!==t&&r.setHeader("Upload-Metadata",t),a._sendRequest(r,null)}).then(function(t){var e;S(t.getStatus(),200)?null==(e=t.getHeader("Location"))?a._emitHttpError(r,t,"tus: invalid or missing Location header"):(a.url=R(a.options.endpoint,e),(0,u.log)("Created upload at ".concat(a.url)),a._emitSuccess(t)):a._emitHttpError(r,t,"tus: unexpected response while creating upload")}).catch(function(t){a._emitError(t)})}},{key:"_startSingleUpload",value:function(){this._aborted=!1,null!=this.url?((0,u.log)("Resuming upload from previous URL: ".concat(this.url)),this._resumeUpload()):null!=this.options.uploadUrl?((0,u.log)("Resuming upload from provided URL: ".concat(this.options.uploadUrl)),this.url=this.options.uploadUrl,this._resumeUpload()):((0,u.log)("Creating a new upload"),this._createUpload())}},{key:"abort",value:function(t){var e=this;if(null!=this._parallelUploads){var r,n=function(t,e){var r,n,o,i,u="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(u)return n=!(r=!0),{s:function(){u=u.call(t)},n:function(){var t=u.next();return r=t.done,t},e:function(t){n=!0,o=t},f:function(){try{r||null==u.return||u.return()}finally{if(n)throw o}}};if(Array.isArray(t)||(u=p(t))||e&&t&&"number"==typeof t.length)return u&&(t=u),i=0,{s:e=function(){},n:function(){return i>=t.length?{done:!0}:{done:!1,value:t[i++]}},e:function(t){throw t},f:e};throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}(this._parallelUploads);try{for(n.s();!(r=n.n()).done;)r.value.abort(t)}catch(t){n.e(t)}finally{n.f()}}return null!==this._req&&this._req.abort(),this._aborted=!0,null!=this._retryTimeout&&(clearTimeout(this._retryTimeout),this._retryTimeout=null),t&&null!=this.url?c.terminate(this.url,this.options).then(function(){return e._removeFromUrlStorage()}):Promise.resolve()}},{key:"_emitHttpError",value:function(t,e,r,n){this._emitError(new a.default(r,n,t,e))}},{key:"_emitError",value:function(t){var e,r=this;if(!this._aborted){if(null!=this.options.retryDelays)if(null!=this._offset&&this._offset>this._offsetBeforeRetry&&(this._retryAttempt=0),O(t,this._retryAttempt,this.options))return e=this.options.retryDelays[this._retryAttempt++],this._offsetBeforeRetry=this._offset,void(this._retryTimeout=setTimeout(function(){r.start()},e));if("function"!=typeof this.options.onError)throw t;this.options.onError(t)}}},{key:"_emitSuccess",value:function(t){this.options.removeFingerprintOnSuccess&&this._removeFromUrlStorage(),"function"==typeof this.options.onSuccess&&this.options.onSuccess({lastResponse:t})}},{key:"_emitProgress",value:function(t,e){"function"==typeof this.options.onProgress&&this.options.onProgress(t,e)}},{key:"_emitChunkComplete",value:function(t,e,r){"function"==typeof this.options.onChunkComplete&&this.options.onChunkComplete(t,e,r)}},{key:"_createUpload",value:function(){var r,t,n=this;this.options.endpoint?(r=this._openRequest("POST",this.options.endpoint),this.options.uploadLengthDeferred?r.setHeader("Upload-Defer-Length","1"):r.setHeader("Upload-Length","".concat(this._size)),""!==(t=_(this.options.metadata))&&r.setHeader("Upload-Metadata",t),(this.options.uploadDataDuringCreation&&!this.options.uploadLengthDeferred?(this._offset=0,this._addChunkToRequest(r)):(this.options.protocol!==m&&this.options.protocol!==b||r.setHeader("Upload-Complete","?0"),this._sendRequest(r,null))).then(function(t){var e;S(t.getStatus(),200)?null==(e=t.getHeader("Location"))?n._emitHttpError(r,t,"tus: invalid or missing Location header"):(n.url=R(n.options.endpoint,e),(0,u.log)("Created upload at ".concat(n.url)),"function"==typeof n.options.onUploadUrlAvailable&&n.options.onUploadUrlAvailable(),0===n._size?(n._emitSuccess(t),n._source.close()):n._saveUploadInUrlStorage().then(function(){n.options.uploadDataDuringCreation?n._handleUploadResponse(r,t):(n._offset=0,n._performUpload())})):n._emitHttpError(r,t,"tus: unexpected response while creating upload")}).catch(function(t){n._emitHttpError(r,null,"tus: failed to create upload",t)})):this._emitError(new Error("tus: unable to create upload because no endpoint is provided"))}},{key:"_resumeUpload",value:function(){var o=this,i=this._openRequest("HEAD",this.url);this._sendRequest(i,null).then(function(t){var e=t.getStatus();if(!S(e,200))return 423===e?void o._emitHttpError(i,t,"tus: upload is currently locked; retry later"):(S(e,400)&&o._removeFromUrlStorage(),o.options.endpoint?(o.url=null,void o._createUpload()):void o._emitHttpError(i,t,"tus: unable to resume upload (new upload cannot be created without an endpoint)"));var r,n=Number.parseInt(t.getHeader("Upload-Offset"),10);Number.isNaN(n)?o._emitHttpError(i,t,"tus: invalid or missing offset value"):(r=Number.parseInt(t.getHeader("Upload-Length"),10),Number.isNaN(r)&&!o.options.uploadLengthDeferred&&o.options.protocol===v?o._emitHttpError(i,t,"tus: invalid or missing length value"):("function"==typeof o.options.onUploadUrlAvailable&&o.options.onUploadUrlAvailable(),o._saveUploadInUrlStorage().then(function(){n===r?(o._emitProgress(r,r),o._emitSuccess(t)):(o._offset=n,o._performUpload())})))}).catch(function(t){o._emitHttpError(i,null,"tus: failed to resume upload",t)})}},{key:"_performUpload",value:function(){var e,r=this;this._aborted||(this.options.overridePatchMethod?(e=this._openRequest("POST",this.url)).setHeader("X-HTTP-Method-Override","PATCH"):e=this._openRequest("PATCH",this.url),e.setHeader("Upload-Offset","".concat(this._offset)),this._addChunkToRequest(e).then(function(t){S(t.getStatus(),200)?r._handleUploadResponse(e,t):r._emitHttpError(e,t,"tus: unexpected response while uploading chunk")}).catch(function(t){r._aborted||r._emitHttpError(e,null,"tus: failed to upload chunk at offset ".concat(r._offset),t)}))}},{key:"_addChunkToRequest",value:function(n){var o=this,e=this._offset,t=this._offset+this.options.chunkSize;return n.setProgressHandler(function(t){o._emitProgress(e+t,o._size)}),this.options.protocol===v?n.setHeader("Content-Type","application/offset+octet-stream"):this.options.protocol===b&&n.setHeader("Content-Type","application/partial-upload"),(t===Number.POSITIVE_INFINITY||t>this._size)&&!this.options.uploadLengthDeferred&&(t=this._size),this._source.slice(e