1/* 2 * jQuery File Upload Plugin 3 * https://github.com/blueimp/jQuery-File-Upload 4 * 5 * Copyright 2010, Sebastian Tschan 6 * https://blueimp.net 7 * 8 * Licensed under the MIT license: 9 * http://www.opensource.org/licenses/MIT 10 */ 11 12/* jshint nomen:false */ 13/* global define, require, window, document, location, Blob, FormData */ 14 15(function (factory) { 16 'use strict'; 17 if (typeof define === 'function' && define.amd) { 18 // Register as an anonymous AMD module: 19 define([ 20 'jquery', 21 'jquery.ui.widget' 22 ], factory); 23 } else if (typeof exports === 'object') { 24 // Node/CommonJS: 25 factory( 26 require('jquery'), 27 require('./vendor/jquery.ui.widget') 28 ); 29 } else { 30 // Browser globals: 31 factory(window.jQuery); 32 } 33}(function ($) { 34 'use strict'; 35 36 // Detect file input support, based on 37 // http://viljamis.com/blog/2012/file-upload-support-on-mobile/ 38 $.support.fileInput = !(new RegExp( 39 // Handle devices which give false positives for the feature detection: 40 '(Android (1\\.[0156]|2\\.[01]))' + 41 '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + 42 '|(w(eb)?OSBrowser)|(webOS)' + 43 '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' 44 ).test(window.navigator.userAgent) || 45 // Feature detection for all other devices: 46 $('<input type="file">').prop('disabled')); 47 48 // The FileReader API is not actually used, but works as feature detection, 49 // as some Safari versions (5?) support XHR file uploads via the FormData API, 50 // but not non-multipart XHR file uploads. 51 // window.XMLHttpRequestUpload is not available on IE10, so we check for 52 // window.ProgressEvent instead to detect XHR2 file upload capability: 53 $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); 54 $.support.xhrFormDataFileUpload = !!window.FormData; 55 56 // Detect support for Blob slicing (required for chunked uploads): 57 $.support.blobSlice = window.Blob && (Blob.prototype.slice || 58 Blob.prototype.webkitSlice || Blob.prototype.mozSlice); 59 60 // Helper function to create drag handlers for dragover/dragenter/dragleave: 61 function getDragHandler(type) { 62 var isDragOver = type === 'dragover'; 63 return function (e) { 64 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 65 var dataTransfer = e.dataTransfer; 66 if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 && 67 this._trigger( 68 type, 69 $.Event(type, {delegatedEvent: e}) 70 ) !== false) { 71 e.preventDefault(); 72 if (isDragOver) { 73 dataTransfer.dropEffect = 'copy'; 74 } 75 } 76 }; 77 } 78 79 // The fileupload widget listens for change events on file input fields defined 80 // via fileInput setting and paste or drop events of the given dropZone. 81 // In addition to the default jQuery Widget methods, the fileupload widget 82 // exposes the "add" and "send" methods, to add or directly send files using 83 // the fileupload API. 84 // By default, files added via file input selection, paste, drag & drop or 85 // "add" method are uploaded immediately, but it is possible to override 86 // the "add" callback option to queue file uploads. 87 $.widget('blueimp.fileupload', { 88 89 options: { 90 // The drop target element(s), by the default the complete document. 91 // Set to null to disable drag & drop support: 92 dropZone: $(document), 93 // The paste target element(s), by the default undefined. 94 // Set to a DOM node or jQuery object to enable file pasting: 95 pasteZone: undefined, 96 // The file input field(s), that are listened to for change events. 97 // If undefined, it is set to the file input fields inside 98 // of the widget element on plugin initialization. 99 // Set to null to disable the change listener. 100 fileInput: undefined, 101 // By default, the file input field is replaced with a clone after 102 // each input field change event. This is required for iframe transport 103 // queues and allows change events to be fired for the same file 104 // selection, but can be disabled by setting the following option to fal
104se: 105 replaceFileInput: true, 106 // The parameter name for the file form data (the request argument name). 107 // If undefined or empty, the name property of the file input field is 108 // used, or "files[]" if the file input name property is also empty, 109 // can be a string or an array of strings: 110 paramName: undefined, 111 // By default, each file of a selection is uploaded using an individual 112 // request for XHR type uploads. Set to false to upload file 113 // selections in one request each: 114 singleFileUploads: true, 115 // To limit the number of files uploaded with one XHR request, 116 // set the following option to an integer greater than 0: 117 limitMultiFileUploads: undefined, 118 // The following option limits the number of files uploaded with one 119 // XHR request to keep the request size under or equal to the defined 120 // limit in bytes: 121 limitMultiFileUploadSize: undefined, 122 // Multipart file uploads add a number of bytes to each uploaded file, 123 // therefore the following option adds an overhead for each file used 124 // in the limitMultiFileUploadSize configuration: 125 limitMultiFileUploadSizeOverhead: 512, 126 // Set the following option to true to issue all file upload requests 127 // in a sequential order: 128 sequentialUploads: false, 129 // To limit the number of concurrent uploads, 130 // set the following option to an integer greater than 0: 131 limitConcurrentUploads: undefined, 132 // Set the following option to true to force iframe transport uploads: 133 forceIframeTransport: false, 134 // Set the following option to the location of a redirect url on the 135 // origin server, for cross-domain iframe transport uploads: 136 redirect: undefined, 137 // The parameter name for the redirect url, sent as part of the form 138 // data and set to 'redirect' if this option is empty: 139 redirectParamName: undefined, 140 // Set the following option to the location of a postMessage window, 141 // to enable postMessage transport uploads: 142 postMessage: undefined, 143 // By default, XHR file uploads are sent as multipart/form-data. 144 // The iframe transport is always using multipart/form-data. 145 // Set to false to enable non-multipart XHR uploads: 146 multipart: true, 147 // To upload large files in smaller chunks, set the following option 148 // to a preferred maximum chunk size. If set to 0, null or undefined, 149 // or the browser does not support the required Blob API, files will 150 // be uploaded as a whole. 151 maxChunkSize: undefined, 152 // When a non-multipart upload or a chunked multipart upload has been 153 // aborted, this option can be used to resume the upload by setting 154 // it to the size of the already uploaded bytes. This option is most 155 // useful when modifying the options object inside of the "add" or 156 // "send" callbacks, as the options are cloned for each file upload. 157 uploadedBytes: undefined, 158 // By default, failed (abort or error) file uploads are removed from the 159 // global progress calculation. Set the following option to false to 160 // prevent recalculating the global progress data: 161 recalculateProgress: true, 162 // Interval in milliseconds to calculate and trigger progress events: 163 progressInterval: 100, 164 // Interval in milliseconds to calculate progress bitrate: 165 bitrateInterval: 500, 166 // By default, uploads are started automatically when adding files: 167 autoUpload: true, 168 169 // Error and info messages: 170 messages: { 171 uploadedBytes: 'Uploaded bytes exceed file size' 172 }, 173
174 // Translation function, gets the message key to be translated 175 // and an object with context specific data as arguments: 176 i18n: function (message, context) { 177 message = this.messages[message] || message.toString(); 178 if (context) { 179 $.each(context, function (key, value) { 180 message = message.replace('{' + key + '}', value); 181 }); 182 } 183 return message; 184 }, 185 186 // Additional form data to be sent along with the file uploads can be set 187 // using this option, which accepts an array of objects with name and 188 // value properties, a function returning such an array, a FormData 189 // object (for XHR file uploads), or a simple object. 190 // The form of the first fileInput is given as parameter to the function: 191 formData: function (form) { 192 return form.serializeArray(); 193 }, 194 195 // The add callback is invoked as soon as files are added to the fileupload 196 // widget (via file input selection, drag & drop, paste or add API call). 197 // If the singleFileUploads option is enabled, this callback will be 198 // called once for each file in the selection for XHR file uploads, else 199 // once for each file selection. 200 // 201 // The upload starts when the submit method is invoked on the data parameter. 202 // The data object contains a files property holding the added files 203 // and allows you to override plugin options as well as define ajax settings. 204 // 205 // Listeners for this callback can also be bound the following way: 206 // .bind('fileuploadadd', func); 207 // 208 // data.submit() returns a Promise object and allows to attach additional 209 // handlers using jQuery's Deferred callbacks: 210 // data.submit().done(func).fail(func).always(func); 211 add: function (e, data) { 212 if (e.isDefaultPrevented()) { 213 return false; 214 } 215 if (data.autoUpload || (data.autoUpload !== false && 216 $(this).fileupload('option', 'autoUpload'))) { 217 data.process().done(function () { 218 data.submit(); 219 }); 220 } 221 }, 222 223 // Other callbacks: 224 225 // Callback for the submit event of each file upload: 226 // submit: function (e, data) {}, // .bind('fileuploadsubmit', func); 227 228 // Callback for the start of each file upload request: 229 // send: function (e, data) {}, // .bind('fileuploadsend', func); 230 231 // Callback for successful uploads: 232 // done: function (e, data) {}, // .bind('fileuploaddone', func); 233 234 // Callback for failed (abort or error) uploads: 235 // fail: function (e, data) {}, // .bind('fileuploadfail', func); 236 237 // Callback for completed (success, abort or error) requests: 238 // always: function (e, data) {}, // .bind('fileuploadalways', func); 239 240 // Callback for upload progress events: 241 // progress: function (e, data) {}, // .bind('fileuploadprogress', func); 242 243 // Callback for global upload progress events: 244 // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); 245 246 // Callback for uploads start, equivalent to the global ajaxStart event: 247 // start: function (e) {}, // .bind('fileuploadstart', func); 248 249 // Callback for uploads stop, equivalent to the global ajaxStop event: 250 // stop: function (e) {}, // .bind('fileuploadstop', func); 251 252 // Callback for change events of the fileInput(s): 253 // change: function (e, data) {}, // .bind('fileuploadchange', func); 254 255 // Callback for paste events to the pasteZone(s): 256 // paste: function (e, data) {}, // .bind('fileuploadpaste', func); 257 258 // Callback for drop events of the dropZone(s): 259 // drop: function (e, data) {}, // .bind('fileuploaddrop', func); 260 261 // Callback for dragover events of the dropZone(s): 262 // dragover: function (e) {}, // .bind('fileuploaddragover', func); 263 264 // Callback for the start of each chunk upload request: 265 // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); 266 267 // Callback for successful chunk uploads: 268 // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); 269 270 // Callback for failed (abort or error) chunk uploads: 271 // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); 272 273 // Callback for completed (success, abort or error) chunk upload requests: 274 // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); 275 276 // The plugin options are used as settings object for the ajax calls. 277 // The following are jQuery ajax settings required for the file uploads: 278 processData: false, 279 contentType: false, 280 cache: false, 281 timeout: 0 282 }, 283 284 // A list of options that require reinitializing event listeners and/or 285 // special initialization code: 286 _specialOptions: [ 287 'fileInput', 288 'dropZone', 289 'pasteZone', 290 'multipart', 291 'forceIframeTransport' 292 ], 293 294 _blobSlice: $.support.blobSlice && function () { 295 var slice = this.slice || this.webkitSlice || this.mozSlice; 296 return slice.apply(this, arguments); 297 }, 298 299 _BitrateTimer: function () { 300 this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); 301 this.loaded = 0; 302 this.bitrate = 0; 303 this.getBitrate = function (now, loaded, interval) { 304 var timeDiff = now - this.timestamp; 305 if (!this.bitrate || !interval || timeDiff > interval) { 306 this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; 307 this.loaded = loaded; 308 this.timestamp = now; 309 } 310 return this.bitrate; 311 }; 312 }, 313 314 _isXHRUpload: function (options) { 315 return !options.forceIframeTransport && 316 ((!options.multipart && $.support.xhrFileUpload) || 317 $.support.xhrFormDataFileUpload); 318 }, 319 320 _getFormData: function (options) { 321 var formData; 322 if ($.type(options.formData) === 'function') { 323 return options.formData(options.form); 324 } 325 if ($.isArray(options.formData)) { 326 return options.formData; 327 } 328 if ($.type(options.formData) === 'object') { 329 formData = []; 330 $.each(options.formData, function (name, value) { 331 formData.push({name: name, value: value}); 332 }); 333 return formData; 334 } 335 return []; 336 }, 337 338 _getTotal: function (files) { 339 var total = 0; 340 $.each(files, function (index, file) { 341 total += file.size || 1; 342 }); 343 return total; 344 }, 345 346 _initProgressObject: function (obj) { 347 var progress = { 348 loaded: 0, 349 total: 0, 350 bitrate: 0 351 }; 352 if (obj._progress) { 353 $.extend(obj._progress, progress); 354 } else { 355 obj._progress = progress; 356 } 357 }, 358 359 _initResponseObject: function (obj) { 360 var prop; 361 if (obj._response) { 362 for (prop in obj._response) { 363 if (obj._response.hasOwnProperty(prop)) { 364 delete obj._response[prop]; 365 } 366 } 367 } else { 368 obj._response = {}; 369 } 370 }, 371 372 _onProgress: function (e, data) { 373 if (e.lengthComputable) { 374 var now = ((Date.now) ? Date.now() : (new Date()).getTime()), 375 loaded; 376 if (data._time && data.progressInterval && 377 (now - data._time < data.progressInterval) && 378 e.loaded !== e.total) { 379 return; 380 } 381 data._time = now; 382 loaded = Math.floor( 383 e.loaded / e.total * (data.chunkSize || data._progress.total) 384 ) + (data.uploadedBytes || 0); 385 // Add the difference from the previously loaded state 386 // to the global loaded counter: 387 this._progress.loaded += (loaded - data._progress.loaded); 388 this._progress.bitrate = this._bitrateTimer.getBitrate( 389 now, 390 this._progress.loaded, 391 data.bitrateInterval 392 ); 393 data._progress.loaded = data.loaded = loaded; 394 data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( 395 now, 396 loaded, 397 data.bitrateInterval 398 ); 399 // Trigger a custom progress event with a total data property set 400 // to the file size(s) of the current upload and a loaded data 401 // property calculated accordingly: 402 this._trigger( 403 'progress', 404 $.Event('progress', {delegatedEvent: e}), 405 data 406 ); 407 // Trigger a global progress event for all current file uploads, 408 // including ajax calls queued for sequential file uploads: 409 this._trigger( 410 'progressall', 411 $.Event('progressall', {delegatedEvent: e}), 412 this._progress 413 ); 414 } 415 }, 416 417 _initProgressListener: function (options) { 418 var that = this, 419 xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); 420 // Accesss to the native XHR object is required to add event listeners 421 // for the upload progress event: 422 if (xhr.upload) { 423 $(xhr.upload).bind('progress', function (e) { 424 var oe = e.originalEvent; 425 // Make sure the progress event properties get copied over: 426 e.lengthComputable = oe.lengthComputable; 427 e.loaded = oe.loaded; 428 e.total = oe.total; 429 that._onProgress(e, options); 430 }); 431 options.xhr = function () { 432 return xhr; 433 }; 434 } 435 }, 436 437 _isInstanceOf: function (type, obj) { 438 // Cross-frame instanceof check 439 return Object.prototype.toString.call(obj) === '[object ' + type + ']'; 440 }, 441 442 _initXHRData: function (options) { 443 var that = this, 444 formData, 445 file = options.files[0], 446 // Ignore non-multipart setting if not supported:
447 multipart = options.multipart || !$.support.xhrFileUpload, 448 paramName = $.type(options.paramName) === 'array' ? 449 options.paramName[0] : options.paramName; 450 options.headers = $.extend({}, options.headers); 451 if (options.contentRange) { 452 options.headers['Content-Range'] = options.contentRange; 453 } 454 if (!multipart || options.blob || !this._isInstanceOf('File', file)) { 455 options.headers['Content-Disposition'] = 'attachment; filename="' + 456 encodeURI(file.name) + '"'; 457 } 458 if (!multipart) { 459 options.contentType = file.type || 'application/octet-stream'; 460 options.data = options.blob || file; 461 } else if ($.support.xhrFormDataFileUpload) { 462 if (options.postMessage) { 463 // window.postMessage does not allow sending FormData 464 // objects, so we just add the File/Blob objects to 465 // the formData array and let the postMessage window 466 // create the FormData object out of this array: 467 formData = this._getFormData(options); 468 if (options.blob) { 469 formData.push({ 470 name: paramName, 471 value: options.blob 472 }); 473 } else { 474 $.each(options.files, function (index, file) { 475 formData.push({ 476 name: ($.type(options.paramName) === 'array' && 477 options.paramName[index]) || paramName, 478 value: file 479 }); 480 }); 481 } 482 } else { 483 if (that._isInstanceOf('FormData', options.formData)) { 484 formData = options.formData; 485 } else { 486 formData = new FormData(); 487 $.each(this._getFormData(options), function (index, field) { 488 formData.append(field.name, field.value); 489 }); 490 } 491 if (options.blob) { 492 formData.append(paramName, options.blob, file.name); 493 } else { 494 $.each(options.files, function (index, file) { 495 // This check allows the tests to run with 496 // dummy objects: 497 if (that._isInstanceOf('File', file) || 498 that._isInstanceOf('Blob', file)) { 499 formData.append( 500 ($.type(options.paramName) === 'array' && 501 options.paramName[index]) || paramName, 502 file, 503 file.uploadName || file.name 504 ); 505 } 506 }); 507 } 508 } 509 options.data = formData; 510 } 511 // Blob reference is not needed anymore, free memory: 512 options.blob = null; 513 }, 514 515 _initIframeSettings: function (options) { 516 var targetHost = $('<a></a>').prop('href', options.url).prop('host'); 517 // Setting the dataType to iframe enables the iframe transport: 518 options.dataType = 'iframe ' + (options.dataType || ''); 519 // The iframe transport accepts a serialized array as form data: 520 options.formData = this._getFormData(options); 521 // Add redirect url to form data on cross-domain uploads: 522 if (options.redirect && targetHost && targetHost !== location.host) { 523 options.formData.push({ 524 name: options.redirectParamName || 'redirect', 525 value: options.redirect 526 }); 527 } 528 }, 529 530 _initDataSettings: function (options) { 531 if (this._isXHRUpload(options)) { 532 if (!this._chunkedUpload(options, true)) { 533 if (!options.data) { 534 this._initXHRData(options); 535 } 536 this._initProgressListener(options); 537 } 538 if (options.postMessage) { 539 // Setting the dataType to postmessage enables the 540 // postMessage transport: 541 options.dataType = 'postmessage ' + (options.dataType || ''); 542 } 543 } else { 544 this._initIframeSettings(options); 545 } 546 }, 547 548 _getParamName: function (options) { 549 var fileInput = $(options.fileInput), 550 paramName = options.paramName; 551 if (!paramName) { 552 paramName = []; 553 fileInput.each(function () { 554 var input = $(this), 555 name = input.prop('name') || 'files[]', 556 i = (input.prop('files') || [1]).length; 557 while (i) { 558 paramName.push(name); 559 i -= 1; 560 } 561 }); 562 if (!paramName.length) { 563 paramName = [fileInput.prop('name') || 'files[]']; 564 } 565 } else if (!$.isArray(paramName)) { 566 paramName = [paramName]; 567 } 568 return paramName; 569 }, 570 571 _initFormSettings: function (options) { 572 // Retrieve missing options from the input field and the 573 // associated form, if available: 574 if (!options.form || !options.form.length) { 575 options.form = $(options.fileInput.prop('form')); 576 // If the given file input doesn't have an associated form, 577 // use the default widget file input's form: 578 if (!options.form.length) { 579 options.form = $(this.options.fileInput.prop('form')); 580 } 581 } 582 options.paramName = this._getParamName(options); 583 if (!options.url) { 584 options.url = options.form.prop('action') || location.href; 585 } 586 // The HTTP request method must be "POST" or "PUT": 587 options.type = (options.type || 588 ($.type(options.form.prop('method')) === 'string' && 589 options.form.prop('method')) || '' 590 ).toUpperCase(); 591 if (options.type !== 'POST' && options.type !== 'PUT' && 592 options.type !== 'PATCH') { 593 options.type = 'POST'; 594 } 595 if (!options.formAcceptCharset) { 596 options.formAcceptCharset = options.form.attr('accept-charset'); 597 } 598 }, 599 600 _getAJAXSettings: function (data) { 601 var options = $.extend({}, this.options, data); 602 this._initFormSettings(options); 603 this._initDataSettings(options); 604 return options; 605 }, 606 607 // jQuery 1.6 doesn't provide .state(), 608 // while jQuery 1.8+ removed .isRejected() and .isResolved(): 609 _getDeferredState: function (deferred) { 610 if (deferred.state) { 611 return deferred.state(); 612 } 613 if (deferred.isResolved()) { 614 return 'resolved'; 615 } 616 if (deferred.isRejected()) { 617 return 'rejected'; 618 } 619 return 'pending'; 620 }, 621 622 // Maps jqXHR callbacks to the equivalent 623 // methods of the given Promise object: 624 _enhancePromise: function (promise) { 625 promise.success = promise.done; 626 promise.error = promise.fail; 627 promise.complete = promise.always; 628 return promise; 629 }, 630 631 // Creates and returns a Promise object enhanced with 632 // the jqXHR methods abort, success, error and complete: 633 _getXHRPromise: function (resolveOrReject, context, args
633) { 634 var dfd = $.Deferred(), 635 promise = dfd.promise(); 636 context = context || this.options.context || promise; 637 if (resolveOrReject === true) { 638 dfd.resolveWith(context, args); 639 } else if (resolveOrReject === false) { 640 dfd.rejectWith(context, args); 641 } 642 promise.abort = dfd.promise; 643 return this._enhancePromise(promise); 644 }, 645 646 // Adds convenience methods to the data callback argument: 647 _addConvenienceMethods: function (e, data) { 648 var that = this, 649 getPromise = function (args) { 650 return $.Deferred().resolveWith(that, args).promise(); 651 }; 652 data.process = function (resolveFunc, rejectFunc) { 653 if (resolveFunc || rejectFunc) { 654 data._processQueue = this._processQueue = 655 (this._processQueue || getPromise([this])).then( 656 function () { 657 if (data.errorThrown) { 658 return $.Deferred() 659 .rejectWith(that, [data]).promise(); 660 } 661 return getPromise(arguments); 662 } 663 ).then(resolveFunc, rejectFunc); 664 } 665 return this._processQueue || getPromise([this]); 666 }; 667 data.submit = function () { 668 if (this.state() !== 'pending') { 669 data.jqXHR = this.jqXHR = 670 (that._trigger( 671 'submit', 672 $.Event('submit', {delegatedEvent: e}), 673 this 674 ) !== false) && that._onSend(e, this); 675 } 676 return this.jqXHR || that._getXHRPromise(); 677 }; 678 data.abort = function () { 679 if (this.jqXHR) { 680 return this.jqXHR.abort(); 681 } 682 this.errorThrown = 'abort'; 683 that._trigger('fail', null, this); 684 return that._getXHRPromise(false); 685 }; 686 data.state = function () { 687 if (this.jqXHR) { 688 return that._getDeferredState(this.jqXHR); 689 } 690 if (this._processQueue) { 691 return that._getDeferredState(this._processQueue); 692 } 693 }; 694 data.processing = function () { 695 return !this.jqXHR && this._processQueue && that 696 ._getDeferredState(this._processQueue) === 'pending'; 697 }; 698 data.progress = function () { 699 return this._progress; 700 }; 701 data.response = function () { 702 return this._response; 703 }; 704 }, 705 706 // Parses the Range header from the server response 707 // and returns the uploaded bytes: 708 _getUploadedBytes: function (jqXHR) { 709 var range = jqXHR.getResponseHeader('Range'), 710 parts = range && range.split('-'), 711 upperBytesPos = parts && parts.length > 1 && 712 parseInt(parts[1], 10); 713 return upperBytesPos && upperBytesPos + 1; 714 }, 715 716 // Uploads a file in multiple, sequential requests 717 // by splitting the file up in multiple blob chunks. 718 // If the second parameter is true, only tests if the file 719 // should be uploaded in chunks, but does not invoke any 720 // upload requests: 721 _chunkedUpload: function (options, testOnly) { 722 options.uploadedBytes = options.uploadedBytes || 0; 723 var that = this, 724 file = options.files[0], 725 fs = file.size, 726 ub = options.uploadedBytes, 727 mcs = options.maxChunkSize || fs, 728 slice = this._blobSlice, 729 dfd = $.Deferred(), 730 promise = dfd.promise(), 731 jqXHR, 732 upload; 733 if (!(this._isXHRUpload(options) && slice && (ub || mcs < fs)) || 734 options.data) { 735 return false;
736 } 737 if (testOnly) { 738 return true; 739 } 740 if (ub >= fs) { 741 file.error = options.i18n('uploadedBytes'); 742 return this._getXHRPromise( 743 false, 744 options.context, 745 [null, 'error', file.error] 746 ); 747 } 748 // The chunk upload method: 749 upload = function () { 750 // Clone the options object for each chunk upload: 751 var o = $.extend({}, options), 752 currentLoaded = o._progress.loaded; 753 o.blob = slice.call( 754 file, 755 ub, 756 ub + mcs, 757 file.type 758 ); 759 // Store the current chunk size, as the blob itself 760 // will be dereferenced after data processing: 761 o.chunkSize = o.blob.size; 762 // Expose the chunk bytes position range: 763 o.contentRange = 'bytes ' + ub + '-' + 764 (ub + o.chunkSize - 1) + '/' + fs; 765 // Process the upload data (the blob and potential form data): 766 that._initXHRData(o); 767 // Add progress listeners for this chunk upload: 768 that._initProgressListener(o); 769 jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) || 770 that._getXHRPromise(false, o.context)) 771 .done(function (result, textStatus, jqXHR) { 772 ub = that._getUploadedBytes(jqXHR) || 773 (ub + o.chunkSize); 774 // Create a progress event if no final progress event 775 // with loaded equaling total has been triggered 776 // for this chunk: 777 if (currentLoaded + o.chunkSize - o._progress.loaded) { 778 that._onProgress($.Event('progress', { 779 lengthComputable: true, 780 loaded: ub - o.uploadedBytes, 781 total: ub - o.uploadedBytes 782 }), o); 783 } 784 options.uploadedBytes = o.uploadedBytes = ub; 785 o.result = result; 786 o.textStatus = textStatus; 787 o.jqXHR = jqXHR; 788 that._trigger('chunkdone', null, o); 789 that._trigger('chunkalways', null, o); 790 if (ub < fs) { 791 // File upload not yet complete, 792 // continue with the next chunk: 793 upload(); 794 } else { 795 dfd.resolveWith( 796 o.context, 797 [result, textStatus, jqXHR] 798 ); 799 } 800 }) 801 .fail(function (jqXHR, textStatus, errorThrown) { 802 o.jqXHR = jqXHR; 803 o.textStatus = textStatus; 804 o.errorThrown = errorThrown; 805 that._trigger('chunkfail', null, o); 806 that._trigger('chunkalways', null, o); 807 dfd.rejectWith( 808 o.context, 809 [jqXHR, textStatus, errorThrown] 810 ); 811 }); 812 }; 813 this._enhancePromise(promise); 814 promise.abort = function () { 815 return jqXHR.abort(); 816 }; 817 upload(); 818 return promise; 819 }, 820 821 _beforeSend: function (e, data) { 822 if (this._active === 0) { 823 // the start callback is triggered when an upload starts 824 // and no other uploads are currently running, 825 // equivalent to the global ajaxStart event: 826 this._trigger('start'); 827 // Set timer for global bitrate progress calculation: 828 this._bitrateTimer = new this._BitrateTimer(); 829 // Reset the global progress values: 830 this._progress.loaded = this._progress.total = 0; 831 this._progress.bitrate = 0; 832 } 833 // Make sure the container objects for the .response() and 834 // .progress() methods on the data object are available 835 // and reset to their initial state: 836 this._initResponseObject(data); 837 this._initProgressObject(data); 838 data._progress.loaded = data.loaded = data.uploadedBytes || 0; 839 data._progress.total = data.total = this._getTotal(data.files) || 1; 840 data._progress.bitrate = data.bitrate = 0; 841 this._active += 1; 842 // Initialize the global progress values: 843 this._progress.loaded += data.loaded; 844 this._progress.total += data.total; 845 }, 846 847 _onDone: function (result, textStatus, jqXHR, options) { 848 var total = options._progress.total, 849 response = options._response; 850 if (options._progress.loaded < total) { 851 // Create a progress event if no final progress event 852 // with loaded equaling total has been triggered: 853 this._onProgress($.Event('progress', { 854 lengthComputable: true, 855 loaded: total, 856 total: total 857 }), options); 858 } 859 response.result = options.result = result; 860 response.textStatus = options.textStatus = textStatus; 861 response.jqXHR = options.jqXHR = jqXHR; 862 this._trigger('done', null, options); 863 }, 864 865 _onFail: function (jqXHR, textStatus, errorThrown, options) { 866 var response = options._response; 867 if (options.recalculateProgress) { 868 // Remove the failed (error or abort) file upload from 869 // the global progress calculation: 870 this._progress.loaded -= options._progress.loaded;
871 this._progress.total -= options._progress.total; 872 } 873 response.jqXHR = options.jqXHR = jqXHR; 874 response.textStatus = options.textStatus = textStatus; 875 response.errorThrown = options.errorThrown = errorThrown; 876 this._trigger('fail', null, options); 877 }, 878 879 _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { 880 // jqXHRorResult, textStatus and jqXHRorError are added to the 881 // options object via done and fail callbacks 882 this._trigger('always', null, options); 883 }, 884 885 _onSend: function (e, data) { 886 if (!data.submit) { 887 this._addConvenienceMethods(e, data); 888 } 889 var that = this, 890 jqXHR, 891 aborted, 892 slot, 893 pipe, 894 options = that._getAJAXSettings(data), 895 send = function () { 896 that._sending += 1; 897 // Set timer for bitrate progress calculation: 898 options._bitrateTimer = new that._BitrateTimer(); 899 jqXHR = jqXHR || ( 900 ((aborted || that._trigger( 901 'send', 902 $.Event('send', {delegatedEvent: e}), 903 options 904 ) === false) && 905 that._getXHRPromise(false, options.context, aborted)) || 906 that._chunkedUpload(options) || $.ajax(options) 907 ).done(function (result, textStatus, jqXHR) { 908 that._onDone(result, textStatus, jqXHR, options); 909 }).fail(function (jqXHR, textStatus, errorThrown) { 910 that._onFail(jqXHR, textStatus, errorThrown, options); 911 }).always(function (jqXHRorResult, textStatus, jqXHRorError) { 912 that._onAlways( 913 jqXHRorResult, 914 textStatus, 915 jqXHRorError, 916 options 917 ); 918 that._sending -= 1; 919 that._active -= 1; 920 if (options.limitConcurrentUploads && 921 options.limitConcurrentUploads > that._sending) { 922 // Start the next queued upload, 923 // that has not been aborted: 924 var nextSlot = that._slots.shift(); 925 while (nextSlot) { 926 if (that._getDeferredState(nextSlot) === 'pending') { 927 nextSlot.resolve(); 928 break; 929 } 930 nextSlot = that._slots.shift(); 931 } 932 } 933 if (that._active === 0) { 934 // The stop callback is triggered when all uploads have 935 // been completed, equivalent to the global ajaxStop event: 936 that._trigger('stop'); 937 } 938 }); 939 return jqXHR; 940 }; 941 this._beforeSend(e, options); 942 if (this.options.sequentialUploads || 943 (this.options.limitConcurrentUploads && 944 this.options.limitConcurrentUploads <= this._sending)) { 945 if (this.options.limitConcurrentUploads > 1) { 946 slot = $.Deferred(); 947 this._slots.push(slot); 948 pipe = slot.then(send); 949 } else { 950 this._sequence = this._sequence.then(send, send); 951 pipe = this._sequence; 952 } 953 // Return the piped Promise object, enhanced with an abort method, 954 // which is delegated to the jqXHR object of the current upload, 955 // and jqXHR callbacks mapped to the equivalent Promise methods: 956 pipe.abort = function () { 957 aborted = [undefined, 'abort', 'abort']; 958 if (!jqXHR) { 959 if (slot) { 960 slot.rejectWith(options.context, aborted); 961 } 962 return send(); 963 } 964 return jqXHR.abort(); 965 }; 966 return this._enhancePromise(pipe); 967 } 968 return send(); 969 }, 970 971 _onAdd: function (e, data) { 972 var that = this, 973 result = true, 974 options = $.extend({}, this.options, data), 975 files = data.files, 976 filesLength = files.length, 977 limit = options.limitMultiFileUploads, 978 limitSize = options.limitMultiFileUploadSize, 979 overhead = options.limitMultiFileUploadSizeOverhead, 980 batchSize = 0, 981 paramName = this._getParamName(options), 982 paramNameSet, 983 paramNameSlice, 984 fileSet, 985 i, 986 j = 0; 987 if (!filesLength) { 988 return false;
989 } 990 if (limitSize && files[0].size === undefined) { 991 limitSize = undefined; 992 } 993 if (!(options.singleFileUploads || limit || limitSize) || 994 !this._isXHRUpload(options)) { 995 fileSet = [files]; 996 paramNameSet = [paramName]; 997 } else if (!(options.singleFileUploads || limitSize) && limit) { 998 fileSet = []; 999 paramNameSet = []; 1000 for (i = 0; i < filesLength; i += limit) { 1001 fileSet.push(files.slice(i, i + limit)); 1002 paramNameSlice = paramName.slice(i, i + limit); 1003 if (!paramNameSlice.length) { 1004 paramNameSlice = paramName; 1005 } 1006 paramNameSet.push(paramNameSlice); 1007 } 1008 } else if (!options.singleFileUploads && limitSize) { 1009 fileSet = []; 1010 paramNameSet = []; 1011 for (i = 0; i < filesLength; i = i + 1) { 1012 batchSize += files[i].size + overhead; 1013 if (i + 1 === filesLength || 1014 ((batchSize + files[i + 1].size + overhead) > limitSize) || 1015 (limit && i + 1 - j >= limit)) { 1016 fileSet.push(files.slice(j, i + 1)); 1017 paramNameSlice = paramName.slice(j, i + 1); 1018 if (!paramNameSlice.length) { 1019 paramNameSlice = paramName; 1020 } 1021 paramNameSet.push(paramNameSlice); 1022 j = i + 1; 1023 batchSize = 0; 1024 } 1025 } 1026 } else { 1027 paramNameSet = paramName; 1028 } 1029 data.originalFiles = files; 1030 $.each(fileSet || files, function (index, element) { 1031 var newData = $.extend({}, data); 1032 newData.files = fileSet ? element : [element]; 1033 newData.paramName = paramNameSet[index]; 1034 that._initResponseObject(newData); 1035 that._initProgressObject(newData); 1036 that._addConvenienceMethods(e, newData); 1037 result = that._trigger( 1038 'add', 1039 $.Event('add', {delegatedEvent: e}), 1040 newData 1041 ); 1042 return result; 1043 }); 1044 return result; 1045 }, 1046 1047 _replaceFileInput: function (data) { 1048 var input = data.fileInput, 1049 inputClone = input.clone(true), 1050 restoreFocus = input.is(document.activeElement); 1051 // Add a reference for the new cloned file input to the data argument: 1052 data.fileInputClone = inputClone; 1053 $('<form></form>').append(inputClone)[0].reset(); 1054 // Detaching allows to insert the fileInput on another form 1055 // without loosing the file input value: 1056 input.after(inputClone).detach(); 1057 // If the fileInput had focus before it was detached, 1058 // restore focus to the inputClone. 1059 if (restoreFocus) { 1060 inputClone.focus(); 1061 } 1062 // Avoid memory leaks with the detached file input: 1063 $.cleanData(input.unbind('remove')); 1064 // Replace the original file input element in the fileInput 1065 // elements set with the clone, which has been copied including 1066 // event handlers: 1067 this.options.fileInput = this.options.fileInput.map(function (i, el) { 1068 if (el === input[0]) { 1069 return inputClone[0]; 1070 } 1071 return el; 1072 }); 1073 // If the widget has been initialized on the file input itself, 1074 // override this.element with the file input clone: 1075 if (input[0] === this.element[0]) { 1076 this.element = inputClone; 1077 } 1078 }, 1079 1080 _handleFileTreeEntry: function (entry, path) { 1081 var that = this, 1082 dfd = $.Deferred(), 1083 errorHandler = function (e) { 1084 if (e && !e.entry) { 1085 e.entry = entry; 1086 } 1087 // Since $.when returns immediately if one 1088 // Deferred is rejected, we use resolve instead. 1089 // This allows valid files and invalid items 1090 // to be returned together in one set: 1091 dfd.resolve([e]); 1092 }, 1093 successHandler = function (entries) { 1094 that._handleFileTreeEntries(
1095 entries, 1096 path + entry.name + '/' 1097 ).done(function (files) { 1098 dfd.resolve(files); 1099 }).fail(errorHandler); 1100 }, 1101 readEntries = function () { 1102 dirReader.readEntries(function (results) { 1103 if (!results.length) { 1104 successHandler(entries); 1105 } else { 1106 entries = entries.concat(results); 1107 readEntries(); 1108 } 1109 }, errorHandler); 1110 }, 1111 dirReader, entries = []; 1112 path = path || ''; 1113 if (entry.isFile) { 1114 if (entry._file) { 1115 // Workaround for Chrome bug #149735 1116 entry._file.relativePath = path; 1117 dfd.resolve(entry._file); 1118 } else { 1119 entry.file(function (file) { 1120 file.relativePath = path; 1121 dfd.resolve(file); 1122 }, errorHandler); 1123 } 1124 } else if (entry.isDirectory) { 1125 dirReader = entry.createReader(); 1126 readEntries(); 1127 } else { 1128 // Return an empy list for file system items 1129 // other than files or directories: 1130 dfd.resolve([]); 1131 } 1132 return dfd.promise(); 1133 }, 1134 1135 _handleFileTreeEntries: function (entries, path) { 1136 var that = this; 1137 return $.when.apply( 1138 $, 1139 $.map(entries, function (entry) { 1140 return that._handleFileTreeEntry(entry, path); 1141 }) 1142 ).then(function () { 1143 return Array.prototype.concat.apply( 1144 [], 1145 arguments 1146 ); 1147 }); 1148 }, 1149 1150 _getDroppedFiles: function (dataTransfer) { 1151 dataTransfer = dataTransfer || {}; 1152 var items = dataTransfer.items; 1153 if (items && items.length && (items[0].webkitGetAsEntry || 1154 items[0].getAsEntry)) { 1155 return this._handleFileTreeEntries( 1156 $.map(items, function (item) { 1157 var entry; 1158 if (item.webkitGetAsEntry) { 1159 entry = item.webkitGetAsEntry(); 1160 if (entry) { 1161 // Workaround for Chrome bug #149735: 1162 entry._file = item.getAsFile(); 1163 } 1164 return entry; 1165 } 1166 return item.getAsEntry(); 1167 }) 1168 ); 1169 } 1170 return $.Deferred().resolve( 1171 $.makeArray(dataTransfer.files) 1172 ).promise(); 1173 }, 1174 1175 _getSingleFileInputFiles: function (fileInput) { 1176 fileInput = $(fileInput); 1177 var entries = fileInput.prop('webkitEntries') || 1178 fileInput.prop('entries'), 1179 files, 1180 value; 1181 if (entries && entries.length) { 1182 return this._handleFileTreeEntries(entries); 1183 } 1184 files = $.makeArray(fileInput.prop('files')); 1185 if (!files.length) { 1186 value = fileInput.prop('value'); 1187 if (!value) { 1188 return $.Deferred().resolve([]).promise(); 1189 } 1190 // If the files property is not available, the browser does not 1191 // support the File API and we add a pseudo File object with 1192 // the input value as name with path information removed: 1193 files = [{name: value.replace(/^.*\\/, '')}]; 1194 } else if (files[0].name === undefined && files[0].fileName) { 1195 // File normalization for Safari 4 and Firefox 3: 1196 $.each(files, function (index, file) { 1197 file.name = file.fileName; 1198 file.size = file.fileSize; 1199 }); 1200 } 1201 return $.Deferred().resolve(files).promise(); 1202 }, 1203 1204 _getFileInputFiles: function (fileInput) { 1205 if (!(fileInput instanceof $) || fileInput.length === 1) { 1206 return this._getSingleFileInputFiles(fileInput); 1207 } 1208 return $.when.apply( 1209 $, 1210 $.map(fileInput, this._getSingleFileInputFiles) 1211 ).then(function () { 1212 return Array.prototype.concat.apply( 1213 [], 1214 arguments 1215 ); 1216 }); 1217 }, 1218 1219 _onChange: function (e) { 1220 var that = this, 1221 data = { 1222 fileInput: $(e.target), 1223 form: $(e.target.form) 1224 }; 1225 this._getFileInputFiles(data.fileInput).always(function (files) { 1226 data.files = files; 1227 if (that.options.replaceFileInput) { 1228 that._replaceFileInput(data); 1229 } 1230 if (that._trigger( 1231 'change', 1232 $.Event('change', {delegatedEvent: e}), 1233 data 1234 ) !== false) { 1235 that._onAdd(e, data); 1236 } 1237 }); 1238 }, 1239 1240 _onPaste: function (e) { 1241 var items = e.originalEvent && e.originalEvent.clipboardData && 1242 e.originalEvent.clipboardData.items, 1243 data = {files: []}; 1244 if (items && items.length) { 1245 $.each(items, function (index, item) { 1246 var file = item.getAsFile && item.getAsFile(); 1247 if (file) { 1248 data.files.push(file); 1249 } 1250 }); 1251 if (this._trigger( 1252 'paste', 1253 $.Event('paste', {delegatedEvent: e}), 1254 data 1255 ) !== false) { 1256 this._onAdd(e, data); 1257 } 1258 } 1259 }, 1260 1261 _onDrop: function (e) { 1262 e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; 1263 var that = this, 1264 dataTransfer = e.dataTransfer, 1265 data = {}; 1266 if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { 1267 e.preventDefault(); 1268 this._getDroppedFiles(dataTransfer).always(function (files) { 1269 data.files = files; 1270 if (that._trigger( 1271 'drop', 1272 $.Event('drop', {delegatedEvent: e}), 1273 data 1274 ) !== false) { 1275 that._onAdd(e, data); 1276 } 1277 }); 1278 } 1279 }, 1280 1281 _onDragOver: getDragHandler('dragover'), 1282 1283 _onDragEnter: getDragHandler('dragenter'), 1284 1285 _onDragLeave: getDragHandler('dragleave'), 1286 1287 _initEventHandlers: function () { 1288 if (this._isXHRUpload(this.options)) { 1289 this._on(this.options.dropZone, { 1290 dragover: this._onDragOver, 1291 drop: this._onDrop, 1292 // event.preventDefault() on dragenter is required for IE10+: 1293 dragenter: this._onDragEnter, 1294 // dragleave is not required, but added for c
1294ompleteness: 1295 dragleave: this._onDragLeave 1296 }); 1297 this._on(this.options.pasteZone, { 1298 paste: this._onPaste 1299 }); 1300 } 1301 if ($.support.fileInput) { 1302 this._on(this.options.fileInput, { 1303 change: this._onChange 1304 }); 1305 } 1306 }, 1307 1308 _destroyEventHandlers: function () { 1309 this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); 1310 this._off(this.options.pasteZone, 'paste'); 1311 this._off(this.options.fileInput, 'change'); 1312 }, 1313 1314 _setOption: function (key, value) { 1315 var reinit = $.inArray(key, this._specialOptions) !== -1; 1316 if (reinit) { 1317 this._destroyEventHandlers(); 1318 } 1319 this._super(key, value); 1320 if (reinit) { 1321 this._initSpecialOptions(); 1322 this._initEventHandlers(); 1323 } 1324 }, 1325 1326 _initSpecialOptions: function () { 1327 var options = this.options; 1328 if (options.fileInput === undefined) { 1329 options.fileInput = this.element.is('input[type="file"]') ? 1330 this.element : this.element.find('input[type="file"]'); 1331 } else if (!(options.fileInput instanceof $)) { 1332 options.fileInput = $(options.fileInput); 1333 } 1334 if (!(options.dropZone instanceof $)) { 1335 options.dropZone = $(options.dropZone); 1336 } 1337 if (!(options.pasteZone instanceof $)) { 1338 options.pasteZone = $(options.pasteZone); 1339 } 1340 }, 1341 1342 _getRegExp: function (str) { 1343 var parts = str.split('/'), 1344 modifiers = parts.pop(); 1345 parts.shift(); 1346 return new RegExp(parts.join('/'), modifiers); 1347 }, 1348 1349 _isRegExpOption: function (key, value) { 1350 return key !== 'url' && $.type(value) === 'string' && 1351 /^\/.*\/[igm]{0,3}$/.test(value); 1352 }, 1353 1354 _initDataAttributes: function () { 1355 var that = this, 1356 options = this.options, 1357 data = this.element.data(); 1358 // Initialize options set via HTML5 data-attributes: 1359 $.each( 1360 this.element[0].attributes, 1361 function (index, attr) { 1362 var key = attr.name.toLowerCase(), 1363 value; 1364 if (/^data-/.test(key)) { 1365 // Convert hyphen-ated key to camelCase: 1366 key = key.slice(5).replace(/-[a-z]/g, function (str) { 1367 return str.charAt(1).toUpperCase(); 1368 }); 1369 value = data[key]; 1370 if (that._isRegExpOption(key, value)) { 1371 value = that._getRegExp(value); 1372 } 1373 options[key] = value; 1374 } 1375 } 1376 ); 1377 }, 1378 1379 _create: function () { 1380 this._initDataAttributes(); 1381 this._initSpecialOptions(); 1382 this._slots = []; 1383 this._sequence = this._getXHRPromise(true); 1384 this._sending = this._active = 0; 1385 this._initProgressObject(this); 1386 this._initEventHandlers(); 1387 }, 1388 1389 // This method is exposed to the widget API and allows to query 1390 // the number of active uploads: 1391 active: function () { 1392 return this._active; 1393 }, 1394 1395 // This method is exposed to the widget API and allows to query 1396 // the widget upload progress. 1397 // It returns an object with loaded, total and bitrate properties 1398 // for the running uploads: 1399 progress: function () { 1400 return this._progress; 1401 }, 1402 1403 // This method is exposed to the widget API and allows adding files 1404 // using the fileupload API. The data parameter accepts an object which 1405 // must have a files property and can contain additional options: 1406 // .fileupload('add', {files: filesList}); 1407 add: function (data) { 1408 var that = this; 1409 if (!data || this.options.disabled) { 1410 return; 1411 } 1412 if (data.fileInput && !data.files) { 1413 this._getFileInputFiles(data.fileInput).always(function (files) { 1414 data.files = files; 1415 that._onAdd(null, data); 1416 }); 1417 } else { 1418 data.files = $.makeArray(data.files); 1419 this._onAdd(null, data); 1420 } 1421 }, 1422 1423 // This method is exposed to the widget API and allows sending files 1424 // using the fileupload API. The data parameter accepts an object which 1425 // must have a files or fileInput property and can contain additional options: 1426 // .fileupload('send', {files: filesList}); 1427 // The method returns a Promise object for the file upload call. 1428 send: function (data) { 1429 if (data && !this.options.disabled) { 1430 if (data.fileInput && !data.files) { 1431 var that = this, 1432 dfd = $.Deferred(), 1433 promise = dfd.promise(), 1434 jqXHR, 1435 aborted; 1436 promise.abort = function () { 1437 aborted = true; 1438 if (jqXHR) { 1439 return jqXHR.abort(); 1440 } 1441 dfd.reject(null, 'abort', 'abort'); 1442 return promise; 1443 }; 1444 this._getFileInputFiles(data.fileInput).always( 1445 function (files) { 1446 if (aborted) { 1447 return; 1448 } 1449 if (!files.length) { 1450 dfd.reject(); 1451 return; 1452 } 1453 data.files = files; 1454 jqXHR = that._onSend(null, data); 1455 jqXHR.then( 1456 function (result, textStatus, jqXHR) { 1457 dfd.resolve(result, textStatus, jqXHR); 1458 }, 1459 function (jqXHR, textStatus, errorThrown) { 1460 dfd.reject(jqXHR, textStatus, errorThrown); 1461 } 1462 ); 1463 } 1464 ); 1465 return this._enhancePromise(promise); 1466 } 1467 data.files = $.makeArray(data.files); 1468 if (data.files.length) { 1469 return this._onSend(null, data); 1470 } 1471 } 1472 return this._getXHRPromise(false, data && data.context); 1473 } 1474 1475 }); 1476 1477}));
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.