Release v2.14.0

Author: AidasK

dist/flow.js

@@ -12,7 +12,7 @@
    * Flow.js is a library providing multiple simultaneous, stable and
    * resumable uploads via the HTML5 File API.
    * @param [opts]
-   * @param {number} [opts.chunkSize]
+   * @param {number|Function} [opts.chunkSize]
    * @param {bool} [opts.forceChunkSize]
    * @param {number} [opts.simultaneousUploads]
    * @param {bool} [opts.singleFile]
@@ -89,6 +89,7 @@
       headers: {},
       withCredentials: false,
       preprocess: null,
+      changeRawDataBeforeSend: null,
       method: 'multipart',
       testMethod: 'GET',
       uploadMethod: 'POST',
@@ -749,6 +750,12 @@
      * @type {string}
      */
     this.uniqueIdentifier = (uniqueIdentifier === undefined ? flowObj.generateUniqueIdentifier(file) : uniqueIdentifier);
+                        
+    /**
+     * Size of Each Chunk
+     * @type {number}
+     */
+    this.chunkSize = 0;
 
     /**
      * List of chunks
@@ -937,8 +944,9 @@
       // Rebuild stack of chunks from file
       this._prevProgress = 0;
       var round = this.flowObj.opts.forceChunkSize ? Math.ceil : Math.floor;
+      this.chunkSize = evalOpts(this.flowObj.opts.chunkSize, this);
       var chunks = Math.max(
-        round(this.size / this.flowObj.opts.chunkSize), 1
+        round(this.size / this.chunkSize), 1
       );
       for (var offset = 0; offset < chunks; offset++) {
         this.chunks.push(
@@ -1152,7 +1160,7 @@
      * Size of a chunk
      * @type {number}
      */
-    this.chunkSize = this.flowObj.opts.chunkSize;
+    this.chunkSize = this.fileObj.chunkSize;
 
     /**
      * Chunk start byte in a file
@@ -1266,7 +1274,7 @@
     getParams: function () {
       return {
         flowChunkNumber: this.offset + 1,
-        flowChunkSize: this.flowObj.opts.chunkSize,
+        flowChunkSize: this.chunkSize,
         flowCurrentChunkSize: this.endByte - this.startByte,
         flowTotalSize: this.fileObj.size,
         flowIdentifier: this.fileObj.uniqueIdentifier,
@@ -1376,6 +1384,10 @@
 
       var uploadMethod = evalOpts(this.flowObj.opts.uploadMethod, this.fileObj, this);
       var data = this.prepareXhrRequest(uploadMethod, false, this.flowObj.opts.method, this.bytes);
+      var changeRawDataBeforeSend = this.flowObj.opts.changeRawDataBeforeSend;
+      if (typeof changeRawDataBeforeSend === 'function') {
+        data = changeRawDataBeforeSend(this, data);
+      }
       this.xhr.send(data);
     },
 
@@ -1617,7 +1629,7 @@
    * Library version
    * @type {string}
    */
-  Flow.version = '2.13.2';
+  Flow.version = '2.14.0';
 
   if ( typeof module === "object" && module && typeof module.exports === "object" ) {
     // Expose Flow as module.exports in loaders that implement the Node