From f055a1e13e0d07ebf5b23e6e623f726c7d5bf54b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Fri, 28 Nov 2025 11:56:56 +0100
Subject: [PATCH] feat(install): don't require npm: prefix

---
 cli/tools/pm/mod.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cli/tools/pm/mod.rs b/cli/tools/pm/mod.rs
index 240ae35996078d..ebdce30f89543b 100644
--- a/cli/tools/pm/mod.rs
+++ b/cli/tools/pm/mod.rs
@@ -1,5 +1,6 @@
 // Copyright 2018-2025 the Deno authors. MIT license.
 
+use std::borrow::Cow;
 use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
@@ -454,8 +455,14 @@ pub async fn add(
   let mut package_reqs = Vec::with_capacity(add_flags.packages.len());
 
   for entry_text in add_flags.packages.iter() {
+    let text =
+      if !entry_text.starts_with("npm:") && !entry_text.starts_with("jsr:") {
+        Cow::Owned(format!("npm:{}", entry_text))
+      } else {
+        Cow::Borrowed(entry_text)
+      };
     let req = AddRmPackageReq::parse(
-      entry_text,
+      &text,
       add_flags.default_registry.map(|r| r.into()),
     )
     .with_context(|| format!("Failed to parse package: {}", entry_text))?;