chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,33 @@
+export class LineTransformStream extends TransformStream<string, string[]> {
+  private buffer = "";
+
+  constructor() {
+    super({
+      transform: (chunk, controller) => {
+        // Append the chunk to the buffer
+        this.buffer += chunk;
+
+        // Split on newlines
+        const lines = this.buffer.split("\n");
+
+        // The last element might be incomplete, hold it back in buffer
+        this.buffer = lines.pop() || "";
+
+        // Filter out empty or whitespace-only lines
+        const fullLines = lines.filter((line) => line.trim().length > 0);
+
+        // If we got any complete lines, emit them as an array
+        if (fullLines.length > 0) {
+          controller.enqueue(fullLines);
+        }
+      },
+      flush: (controller) => {
+        // On stream end, if there's leftover text, emit it as a single-element array
+        const trimmed = this.buffer.trim();
+        if (trimmed.length > 0) {
+          controller.enqueue([trimmed]);
+        }
+      },
+    });
+  }
+}