From a8d472f88e79703b1890bfdc87d7a3bb20b21428 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Mon, 26 Jun 2023 21:53:17 +0200
Subject: feat(lock): skip saving declaration files in the lockfile (#19447)

This is also a performance improvement because declaration file hashes
don't need to be stored in the lockfile.

Closes #19444
---
 cli/graph_util.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'cli/graph_util.rs')

diff --git a/cli/graph_util.rs b/cli/graph_util.rs
index 0d3548205..1653052e5 100644
--- a/cli/graph_util.rs
+++ b/cli/graph_util.rs
@@ -144,6 +144,7 @@ pub fn graph_valid(
 pub fn graph_lock_or_exit(graph: &ModuleGraph, lockfile: &mut Lockfile) {
   for module in graph.modules() {
     let source = match module {
+      Module::Esm(module) if module.media_type.is_declaration() => continue, // skip declaration files
       Module::Esm(module) => &module.source,
       Module::Json(module) => &module.source,
       Module::Node(_) | Module::Npm(_) | Module::External(_) => continue,
-- 
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