| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const commons_js_1 = require("./commons.js"); |
| const withNativeBlob = typeof Blob === "function" || |
| (typeof Blob !== "undefined" && |
| Object.prototype.toString.call(Blob) === "[object BlobConstructor]"); |
| const withNativeArrayBuffer = typeof ArrayBuffer === "function"; |
| // ArrayBuffer.isView method is not defined in IE10 |
| const isView = obj => { |
| return typeof ArrayBuffer.isView === "function" |
| ? ArrayBuffer.isView(obj) |
| : obj && obj.buffer instanceof ArrayBuffer; |
| }; |
| const encodePacket = ({ type, data }, supportsBinary, callback) => { |
| if (withNativeBlob && data instanceof Blob) { |
| if (supportsBinary) { |
| return callback(data); |
| } |
| else { |
| return encodeBlobAsBase64(data, callback); |
| } |
| } |
| else if (withNativeArrayBuffer && |
| (data instanceof ArrayBuffer || isView(data))) { |
| if (supportsBinary) { |
| return callback(data); |
| } |
| else { |
| return encodeBlobAsBase64(new Blob([data]), callback); |
| } |
| } |
| // plain string |
| return callback(commons_js_1.PACKET_TYPES[type] + (data || "")); |
| }; |
| const encodeBlobAsBase64 = (data, callback) => { |
| const fileReader = new FileReader(); |
| fileReader.onload = function () { |
| const content = fileReader.result.split(",")[1]; |
| callback("b" + content); |
| }; |
| return fileReader.readAsDataURL(data); |
| }; |
| exports.default = encodePacket; |