|
"use strict"; |
|
Object.defineProperty(exports, "__esModule", { value: true }); |
|
exports.encodePacketToBinary = exports.encodePacket = void 0; |
|
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")); |
|
} |
|
|
|
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) { |
|
|
|
TEXT_ENCODER = new TextEncoder(); |
|
} |
|
callback(TEXT_ENCODER.encode(encoded)); |
|
}); |
|
} |
|
exports.encodePacketToBinary = encodePacketToBinary; |
|
|