Function buildNamespaceTree

scripts/codegen/rust.ts:1668–1693

* Build a namespace tree from a list of methods. `groupOf(method)` returns the * dotted group path (e.g. "mcp.config" for "mcp.config.list" / "workspaces" * for "workspaces.listFiles"); the last segment of `rpcMethod` is the leaf * method name.

(
	rootTypeName: string,
	methods: RpcMethod[],
	stripPrefix: string,
)

 * method name.
 */
function buildNamespaceTree(
	rootTypeName: string,
	methods: RpcMethod[],
	stripPrefix: string,
): NamespaceNode {
	const root = newNamespaceNode("", rootTypeName);
	for (const method of methods) {
		const trimmed = stripPrefix && method.rpcMethod.startsWith(stripPrefix)
			? method.rpcMethod.slice(stripPrefix.length)
			: method.rpcMethod;
		const segments = trimmed.split(".");
		const groupSegments = segments.slice(0, -1);
		let node = root;
		for (const seg of groupSegments) {
			let child = node.children.get(seg);
			if (!child) {
				const childTypeName = `${node.typeName}${toPascalCase(seg)}`;
				child = newNamespaceNode(seg, childTypeName);
				node.children.set(seg, child);
			}
			node = child;
		}
		node.methods.push(method);
	}
	return root;
}

/**
 * Determine if a method has typed params. Returns `{ hasParams, typeName }`.