Function _removeBlobs

sdk/src/CloudSocketClientLib.js:6357–6390

(obj, curKey, containingObject)

                        exports.removeBlobs = function(data, callback) {
                            function _removeBlobs(obj, curKey, containingObject) {
                                if (!obj)
                                    return obj;

                                // convert any blob
                                if ((global.Blob && obj instanceof Blob) || (global.File && obj instanceof File)) {
                                    pendingBlobs++;

                                    // async filereader
                                    var fileReader = new FileReader();
                                    fileReader.onload = function() { // this.result == arraybuffer
                                        if (containingObject) {
                                            containingObject[curKey] = this.result;
                                        } else {
                                            bloblessData = this.result;
                                        }

                                        // if nothing pending its callback time
                                        if (!--pendingBlobs) {
                                            callback(bloblessData);
                                        }
                                    };

                                    fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
                                } else if (isArray(obj)) { // handle array
                                    for (var i = 0; i < obj.length; i++) {
                                        _removeBlobs(obj[i], i, obj);
                                    }
                                } else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
                                    for (var key in obj) {
                                        _removeBlobs(obj[key], key, obj);
                                    }
                                }
                            }

                            var pendingBlobs = 0;
                            var bloblessData = data;