Initial

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/EventStreamMarshaller.js

@@ -0,0 +1,23 @@
+import { EventStreamCodec, MessageDecoderStream, MessageEncoderStream, SmithyMessageDecoderStream, SmithyMessageEncoderStream, } from "@smithy/eventstream-codec";
+import { getChunkedStream } from "./getChunkedStream";
+import { getMessageUnmarshaller } from "./getUnmarshalledStream";
+export class EventStreamMarshaller {
+    constructor({ utf8Encoder, utf8Decoder }) {
+        this.eventStreamCodec = new EventStreamCodec(utf8Encoder, utf8Decoder);
+        this.utfEncoder = utf8Encoder;
+    }
+    deserialize(body, deserializer) {
+        const inputStream = getChunkedStream(body);
+        return new SmithyMessageDecoderStream({
+            messageStream: new MessageDecoderStream({ inputStream, decoder: this.eventStreamCodec }),
+            deserializer: getMessageUnmarshaller(deserializer, this.utfEncoder),
+        });
+    }
+    serialize(inputStream, serializer) {
+        return new MessageEncoderStream({
+            messageStream: new SmithyMessageEncoderStream({ inputStream, serializer }),
+            encoder: this.eventStreamCodec,
+            includeEndFrame: true,
+        });
+    }
+}

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/fixtures/MockEventMessageSource.fixture.js

@@ -0,0 +1,30 @@
+import { Readable } from "stream";
+export class MockEventMessageSource extends Readable {
+    constructor(options) {
+        super(options);
+        this.readCount = 0;
+        this.data = Buffer.concat(options.messages);
+        this.emitSize = options.emitSize;
+        this.throwError = options.throwError;
+    }
+    _read() {
+        const self = this;
+        if (this.readCount === this.data.length) {
+            if (this.throwError) {
+                process.nextTick(function () {
+                    self.emit("error", new Error("Throwing an error!"));
+                });
+                return;
+            }
+            else {
+                this.push(null);
+                return;
+            }
+        }
+        const bytesLeft = this.data.length - this.readCount;
+        const numBytesToSend = Math.min(bytesLeft, this.emitSize);
+        const chunk = this.data.slice(this.readCount, this.readCount + numBytesToSend);
+        this.readCount += numBytesToSend;
+        this.push(chunk);
+    }
+}

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/fixtures/event.fixture.js

@@ -0,0 +1,4 @@
+export const recordEventMessage = Buffer.from("AAAA0AAAAFX31gVLDTptZXNzYWdlLXR5cGUHAAVldmVudAs6ZXZlbnQtdHlwZQcAB1JlY29yZHMNOmNvbnRlbnQtdHlwZQcAGGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbTEsRm9vLFdoZW4gbGlmZSBnaXZlcyB5b3UgZm9vLi4uCjIsQmFyLG1ha2UgQmFyIQozLEZpenosU29tZXRpbWVzIHBhaXJlZCB3aXRoLi4uCjQsQnV6eix0aGUgaW5mYW1vdXMgQnV6eiEKzxKeSw==", "base64");
+export const statsEventMessage = Buffer.from("AAAA0QAAAEM+YpmqDTptZXNzYWdlLXR5cGUHAAVldmVudAs6ZXZlbnQtdHlwZQcABVN0YXRzDTpjb250ZW50LXR5cGUHAAh0ZXh0L3htbDxTdGF0cyB4bWxucz0iIj48Qnl0ZXNTY2FubmVkPjEyNjwvQnl0ZXNTY2FubmVkPjxCeXRlc1Byb2Nlc3NlZD4xMjY8L0J5dGVzUHJvY2Vzc2VkPjxCeXRlc1JldHVybmVkPjEwNzwvQnl0ZXNSZXR1cm5lZD48L1N0YXRzPiJ0pLk=", "base64");
+export const endEventMessage = Buffer.from("AAAAOAAAACjBxoTUDTptZXNzYWdlLXR5cGUHAAVldmVudAs6ZXZlbnQtdHlwZQcAA0VuZM+X05I=", "base64");
+export const exception = Buffer.from("AAAAtgAAAF8BcW64DTpjb250ZW50LXR5cGUHABhhcHBsaWNhdGlvbi9vY3RldC1zdHJlYW0NOm1lc3NhZ2UtdHlwZQcACWV4Y2VwdGlvbg86ZXhjZXB0aW9uLXR5cGUHAAlFeGNlcHRpb25UaGlzIGlzIGEgbW9kZWxlZCBleGNlcHRpb24gZXZlbnQgdGhhdCB3b3VsZCBiZSB0aHJvd24gaW4gZGVzZXJpYWxpemVyLj6Gc60=", "base64");

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/getChunkedStream.js

@@ -0,0 +1,66 @@
+export function getChunkedStream(source) {
+    let currentMessageTotalLength = 0;
+    let currentMessagePendingLength = 0;
+    let currentMessage = null;
+    let messageLengthBuffer = null;
+    const allocateMessage = (size) => {
+        if (typeof size !== "number") {
+            throw new Error("Attempted to allocate an event message where size was not a number: " + size);
+        }
+        currentMessageTotalLength = size;
+        currentMessagePendingLength = 4;
+        currentMessage = new Uint8Array(size);
+        const currentMessageView = new DataView(currentMessage.buffer);
+        currentMessageView.setUint32(0, size, false);
+    };
+    const iterator = async function* () {
+        const sourceIterator = source[Symbol.asyncIterator]();
+        while (true) {
+            const { value, done } = await sourceIterator.next();
+            if (done) {
+                if (!currentMessageTotalLength) {
+                    return;
+                }
+                else if (currentMessageTotalLength === currentMessagePendingLength) {
+                    yield currentMessage;
+                }
+                else {
+                    throw new Error("Truncated event message received.");
+                }
+                return;
+            }
+            const chunkLength = value.length;
+            let currentOffset = 0;
+            while (currentOffset < chunkLength) {
+                if (!currentMessage) {
+                    const bytesRemaining = chunkLength - currentOffset;
+                    if (!messageLengthBuffer) {
+                        messageLengthBuffer = new Uint8Array(4);
+                    }
+                    const numBytesForTotal = Math.min(4 - currentMessagePendingLength, bytesRemaining);
+                    messageLengthBuffer.set(value.slice(currentOffset, currentOffset + numBytesForTotal), currentMessagePendingLength);
+                    currentMessagePendingLength += numBytesForTotal;
+                    currentOffset += numBytesForTotal;
+                    if (currentMessagePendingLength < 4) {
+                        break;
+                    }
+                    allocateMessage(new DataView(messageLengthBuffer.buffer).getUint32(0, false));
+                    messageLengthBuffer = null;
+                }
+                const numBytesToWrite = Math.min(currentMessageTotalLength - currentMessagePendingLength, chunkLength - currentOffset);
+                currentMessage.set(value.slice(currentOffset, currentOffset + numBytesToWrite), currentMessagePendingLength);
+                currentMessagePendingLength += numBytesToWrite;
+                currentOffset += numBytesToWrite;
+                if (currentMessageTotalLength && currentMessageTotalLength === currentMessagePendingLength) {
+                    yield currentMessage;
+                    currentMessage = null;
+                    currentMessageTotalLength = 0;
+                    currentMessagePendingLength = 0;
+                }
+            }
+        }
+    };
+    return {
+        [Symbol.asyncIterator]: iterator,
+    };
+}

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/getUnmarshalledStream.js

@@ -0,0 +1,47 @@
+export function getUnmarshalledStream(source, options) {
+    const messageUnmarshaller = getMessageUnmarshaller(options.deserializer, options.toUtf8);
+    return {
+        [Symbol.asyncIterator]: async function* () {
+            for await (const chunk of source) {
+                const message = options.eventStreamCodec.decode(chunk);
+                const type = await messageUnmarshaller(message);
+                if (type === undefined)
+                    continue;
+                yield type;
+            }
+        },
+    };
+}
+export function getMessageUnmarshaller(deserializer, toUtf8) {
+    return async function (message) {
+        const { value: messageType } = message.headers[":message-type"];
+        if (messageType === "error") {
+            const unmodeledError = new Error(message.headers[":error-message"].value || "UnknownError");
+            unmodeledError.name = message.headers[":error-code"].value;
+            throw unmodeledError;
+        }
+        else if (messageType === "exception") {
+            const code = message.headers[":exception-type"].value;
+            const exception = { [code]: message };
+            const deserializedException = await deserializer(exception);
+            if (deserializedException.$unknown) {
+                const error = new Error(toUtf8(message.body));
+                error.name = code;
+                throw error;
+            }
+            throw deserializedException[code];
+        }
+        else if (messageType === "event") {
+            const event = {
+                [message.headers[":event-type"].value]: message,
+            };
+            const deserialized = await deserializer(event);
+            if (deserialized.$unknown)
+                return;
+            return deserialized;
+        }
+        else {
+            throw Error(`Unrecognizable event type: ${message.headers[":event-type"].value}`);
+        }
+    };
+}

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/index.js

@@ -0,0 +1,2 @@
+export * from "./EventStreamMarshaller";
+export * from "./provider";

resources/app/node_modules/@smithy/eventstream-serde-universal/dist-es/provider.js

@@ -0,0 +1,2 @@
+import { EventStreamMarshaller } from "./EventStreamMarshaller";
+export const eventStreamSerdeProvider = (options) => new EventStreamMarshaller(options);