Add combining and extract scripts

docs/_scripts/extract.mjs

@@ -0,0 +1,46 @@
+import * as fs from "node:fs/promises";
+import * as path from "node:path";
+import * as url from "node:url";
+
+const mdPath = url.fileURLToPath(
+  new URL("./add_translation_js_ref.md", import.meta.url)
+);
+
+const extractedDir = url.fileURLToPath(
+  new URL(
+    "../../../oap-langgraphjs-tools-agent/src/add_transaction_js",
+    import.meta.url
+  )
+);
+
+await fs.mkdir(extractedDir, { recursive: true });
+
+const md = (await fs.readFile(mdPath, { encoding: "utf-8" })).split("\n");
+
+const chunks = [];
+let current = [];
+
+for (let line of md) {
+  if (line.trimStart().startsWith("```")) {
+    if (current.length > 0) {
+      chunks.push(current.join("\n"));
+      current = [];
+    } else {
+      current.push("// " + line.trimStart());
+    }
+  } else if (current.length > 0) {
+    current.push(line);
+  }
+}
+
+if (current.length > 0) {
+  chunks.push(current.join("\n"));
+}
+
+for (let i = 0; i < chunks.length; i += 1) {
+  await fs.writeFile(path.resolve(extractedDir, `${i}.mts`), chunks[i], {
+    encoding: "utf-8",
+  });
+}
+
+console.log("finished");