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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.encodePacket = void 0;
- exports.encodePacketToBinary = encodePacketToBinary;
- const commons_js_1 = require("./commons.js");
- const encodePacket = ({ type, data }, supportsBinary, callback) => {
- if (data instanceof ArrayBuffer || ArrayBuffer.isView(data)) {
- return callback(supportsBinary ? data : "b" + toBuffer(data, true).toString("base64"));
- }
- // plain string
- return callback(commons_js_1.PACKET_TYPES[type] + (data || ""));
- };
- exports.encodePacket = encodePacket;
- const toBuffer = (data, forceBufferConversion) => {
- if (Buffer.isBuffer(data) ||
- (data instanceof Uint8Array && !forceBufferConversion)) {
- return data;
- }
- else if (data instanceof ArrayBuffer) {
- return Buffer.from(data);
- }
- else {
- return Buffer.from(data.buffer, data.byteOffset, data.byteLength);
- }
- };
- let TEXT_ENCODER;
- function encodePacketToBinary(packet, callback) {
- if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) {
- return callback(toBuffer(packet.data, false));
- }
- (0, exports.encodePacket)(packet, true, (encoded) => {
- if (!TEXT_ENCODER) {
- // lazily created for compatibility with Node.js 10
- TEXT_ENCODER = new TextEncoder();
- }
- callback(TEXT_ENCODER.encode(encoded));
- });
- }
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