fix(npm): lazily install package.json dependencies only when necessary (#17931)

This lazily does an "npm install" when any package name matches what's
found in the package.json or when running a script from package.json
with deno task.

Part of #17916

Closes #17928

1 files changed, 7 insertions, 1 deletions

diff --git a/cli/lsp/documents.rs b/cli/lsp/documents.rs
index 88efc8074..0acfdbe1f 100644
--- a/cli/lsp/documents.rs
+++ b/cli/lsp/documents.rs
@@ -21,6 +21,7 @@ use crate::node::NodeResolution;
 use crate::npm::NpmPackageResolver;
 use crate::npm::NpmRegistryApi;
 use crate::npm::NpmResolution;
+use crate::npm::PackageJsonDepsInstaller;
 use crate::resolver::CliGraphResolver;
 use crate::util::path::specifier_to_file_path;
 use crate::util::text_encoding;
@@ -1212,13 +1213,18 @@ impl Documents {
         None => Vec::new(),
       }
     });
+    let deps_installer = PackageJsonDepsInstaller::new(
+      npm_registry_api.clone(),
+      npm_resolution.clone(),
+      maybe_package_json_deps,
+    );
     self.resolver = CliGraphResolver::new(
       maybe_jsx_config,
       maybe_import_map,
       false,
       npm_registry_api,
       npm_resolution,
-      maybe_package_json_deps,
+      deps_installer,
     );
     self.imports = Arc::new(
       if let Some(Ok(imports)) =