[e29cc2e] | 1 | import encodePacket from "./encodePacket.js";
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| 2 | import decodePacket from "./decodePacket.js";
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| 3 | const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
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| 4 | const encodePayload = (packets, callback) => {
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| 5 | // some packets may be added to the array while encoding, so the initial length must be saved
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| 6 | const length = packets.length;
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| 7 | const encodedPackets = new Array(length);
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| 8 | let count = 0;
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| 9 | packets.forEach((packet, i) => {
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| 10 | // force base64 encoding for binary packets
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| 11 | encodePacket(packet, false, encodedPacket => {
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| 12 | encodedPackets[i] = encodedPacket;
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| 13 | if (++count === length) {
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| 14 | callback(encodedPackets.join(SEPARATOR));
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| 15 | }
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| 16 | });
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| 17 | });
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| 18 | };
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| 19 | const decodePayload = (encodedPayload, binaryType) => {
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| 20 | const encodedPackets = encodedPayload.split(SEPARATOR);
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| 21 | const packets = [];
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| 22 | for (let i = 0; i < encodedPackets.length; i++) {
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| 23 | const decodedPacket = decodePacket(encodedPackets[i], binaryType);
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| 24 | packets.push(decodedPacket);
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| 25 | if (decodedPacket.type === "error") {
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| 26 | break;
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| 27 | }
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| 28 | }
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| 29 | return packets;
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| 30 | };
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| 31 | export const protocol = 4;
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| 32 | export { encodePacket, encodePayload, decodePacket, decodePayload };
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