Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@smithy/util-stream/dist-es/ByteArrayCollector.js

@@ -0,0 +1,31 @@
+export class ByteArrayCollector {
+    constructor(allocByteArray) {
+        this.allocByteArray = allocByteArray;
+        this.byteLength = 0;
+        this.byteArrays = [];
+    }
+    push(byteArray) {
+        this.byteArrays.push(byteArray);
+        this.byteLength += byteArray.byteLength;
+    }
+    flush() {
+        if (this.byteArrays.length === 1) {
+            const bytes = this.byteArrays[0];
+            this.reset();
+            return bytes;
+        }
+        const aggregation = this.allocByteArray(this.byteLength);
+        let cursor = 0;
+        for (let i = 0; i < this.byteArrays.length; ++i) {
+            const bytes = this.byteArrays[i];
+            aggregation.set(bytes, cursor);
+            cursor += bytes.byteLength;
+        }
+        this.reset();
+        return aggregation;
+    }
+    reset() {
+        this.byteArrays = [];
+        this.byteLength = 0;
+    }
+}