Updated the files.

my-app/node_modules/engine.io-parser/build/esm/index.js

@@ -0,0 +1,158 @@
+import { encodePacket, encodePacketToBinary } from "./encodePacket.js";
+import { decodePacket } from "./decodePacket.js";
+import { ERROR_PACKET, } from "./commons.js";
+const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
+const encodePayload = (packets, callback) => {
+    // some packets may be added to the array while encoding, so the initial length must be saved
+    const length = packets.length;
+    const encodedPackets = new Array(length);
+    let count = 0;
+    packets.forEach((packet, i) => {
+        // force base64 encoding for binary packets
+        encodePacket(packet, false, (encodedPacket) => {
+            encodedPackets[i] = encodedPacket;
+            if (++count === length) {
+                callback(encodedPackets.join(SEPARATOR));
+            }
+        });
+    });
+};
+const decodePayload = (encodedPayload, binaryType) => {
+    const encodedPackets = encodedPayload.split(SEPARATOR);
+    const packets = [];
+    for (let i = 0; i < encodedPackets.length; i++) {
+        const decodedPacket = decodePacket(encodedPackets[i], binaryType);
+        packets.push(decodedPacket);
+        if (decodedPacket.type === "error") {
+            break;
+        }
+    }
+    return packets;
+};
+export function createPacketEncoderStream() {
+    // @ts-expect-error
+    return new TransformStream({
+        transform(packet, controller) {
+            encodePacketToBinary(packet, (encodedPacket) => {
+                const payloadLength = encodedPacket.length;
+                let header;
+                // inspired by the WebSocket format: https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#decoding_payload_length
+                if (payloadLength < 126) {
+                    header = new Uint8Array(1);
+                    new DataView(header.buffer).setUint8(0, payloadLength);
+                }
+                else if (payloadLength < 65536) {
+                    header = new Uint8Array(3);
+                    const view = new DataView(header.buffer);
+                    view.setUint8(0, 126);
+                    view.setUint16(1, payloadLength);
+                }
+                else {
+                    header = new Uint8Array(9);
+                    const view = new DataView(header.buffer);
+                    view.setUint8(0, 127);
+                    view.setBigUint64(1, BigInt(payloadLength));
+                }
+                // first bit indicates whether the payload is plain text (0) or binary (1)
+                if (packet.data && typeof packet.data !== "string") {
+                    header[0] |= 0x80;
+                }
+                controller.enqueue(header);
+                controller.enqueue(encodedPacket);
+            });
+        },
+    });
+}
+let TEXT_DECODER;
+function totalLength(chunks) {
+    return chunks.reduce((acc, chunk) => acc + chunk.length, 0);
+}
+function concatChunks(chunks, size) {
+    if (chunks[0].length === size) {
+        return chunks.shift();
+    }
+    const buffer = new Uint8Array(size);
+    let j = 0;
+    for (let i = 0; i < size; i++) {
+        buffer[i] = chunks[0][j++];
+        if (j === chunks[0].length) {
+            chunks.shift();
+            j = 0;
+        }
+    }
+    if (chunks.length && j < chunks[0].length) {
+        chunks[0] = chunks[0].slice(j);
+    }
+    return buffer;
+}
+export function createPacketDecoderStream(maxPayload, binaryType) {
+    if (!TEXT_DECODER) {
+        TEXT_DECODER = new TextDecoder();
+    }
+    const chunks = [];
+    let state = 0 /* READ_HEADER */;
+    let expectedLength = -1;
+    let isBinary = false;
+    // @ts-expect-error
+    return new TransformStream({
+        transform(chunk, controller) {
+            chunks.push(chunk);
+            while (true) {
+                if (state === 0 /* READ_HEADER */) {
+                    if (totalLength(chunks) < 1) {
+                        break;
+                    }
+                    const header = concatChunks(chunks, 1);
+                    isBinary = (header[0] & 0x80) === 0x80;
+                    expectedLength = header[0] & 0x7f;
+                    if (expectedLength < 126) {
+                        state = 3 /* READ_PAYLOAD */;
+                    }
+                    else if (expectedLength === 126) {
+                        state = 1 /* READ_EXTENDED_LENGTH_16 */;
+                    }
+                    else {
+                        state = 2 /* READ_EXTENDED_LENGTH_64 */;
+                    }
+                }
+                else if (state === 1 /* READ_EXTENDED_LENGTH_16 */) {
+                    if (totalLength(chunks) < 2) {
+                        break;
+                    }
+                    const headerArray = concatChunks(chunks, 2);
+                    expectedLength = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length).getUint16(0);
+                    state = 3 /* READ_PAYLOAD */;
+                }
+                else if (state === 2 /* READ_EXTENDED_LENGTH_64 */) {
+                    if (totalLength(chunks) < 8) {
+                        break;
+                    }
+                    const headerArray = concatChunks(chunks, 8);
+                    const view = new DataView(headerArray.buffer, headerArray.byteOffset, headerArray.length);
+                    const n = view.getUint32(0);
+                    if (n > Math.pow(2, 53 - 32) - 1) {
+                        // the maximum safe integer in JavaScript is 2^53 - 1
+                        controller.enqueue(ERROR_PACKET);
+                        break;
+                    }
+                    expectedLength = n * Math.pow(2, 32) + view.getUint32(4);
+                    state = 3 /* READ_PAYLOAD */;
+                }
+                else {
+                    if (totalLength(chunks) < expectedLength) {
+                        break;
+                    }
+                    const data = concatChunks(chunks, expectedLength);
+                    controller.enqueue(decodePacket(isBinary ? data : TEXT_DECODER.decode(data), binaryType));
+                    state = 0 /* READ_HEADER */;
+                }
+                if (expectedLength === 0 || expectedLength > maxPayload) {
+                    controller.enqueue(ERROR_PACKET);
+                    break;
+                }
+            }
+        },
+    });
+}
+export const protocol = 4;
+export { encodePacket, encodePayload, decodePacket, decodePayload, };