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| ; | |
| Object.defineProperty(exports, "__esModule", { value: true }); | |
| const commons_js_1 = require("./commons.js"); | |
| const base64_arraybuffer_js_1 = require("./contrib/base64-arraybuffer.js"); | |
| const withNativeArrayBuffer = typeof ArrayBuffer === "function"; | |
| const decodePacket = (encodedPacket, binaryType) => { | |
| if (typeof encodedPacket !== "string") { | |
| return { | |
| type: "message", | |
| data: mapBinary(encodedPacket, binaryType) | |
| }; | |
| } | |
| const type = encodedPacket.charAt(0); | |
| if (type === "b") { | |
| return { | |
| type: "message", | |
| data: decodeBase64Packet(encodedPacket.substring(1), binaryType) | |
| }; | |
| } | |
| const packetType = commons_js_1.PACKET_TYPES_REVERSE[type]; | |
| if (!packetType) { | |
| return commons_js_1.ERROR_PACKET; | |
| } | |
| return encodedPacket.length > 1 | |
| ? { | |
| type: commons_js_1.PACKET_TYPES_REVERSE[type], | |
| data: encodedPacket.substring(1) | |
| } | |
| : { | |
| type: commons_js_1.PACKET_TYPES_REVERSE[type] | |
| }; | |
| }; | |
| const decodeBase64Packet = (data, binaryType) => { | |
| if (withNativeArrayBuffer) { | |
| const decoded = (0, base64_arraybuffer_js_1.decode)(data); | |
| return mapBinary(decoded, binaryType); | |
| } | |
| else { | |
| return { base64: true, data }; // fallback for old browsers | |
| } | |
| }; | |
| const mapBinary = (data, binaryType) => { | |
| switch (binaryType) { | |
| case "blob": | |
| return data instanceof ArrayBuffer ? new Blob([data]) : data; | |
| case "arraybuffer": | |
| default: | |
| return data; // assuming the data is already an ArrayBuffer | |
| } | |
| }; | |
| exports.default = decodePacket; | |