fix(builtin): always install source-map-support

internal/node/launcher.sh

@@ -353,6 +353,9 @@ else
       MAIN=TEMPLATED_entry_point_manifest_path
     fi
   fi
+  # Always set up source-map-support using our vendored copy, just like the require_patch_script
+  register_source_map_support=$(rlocation build_bazel_rules_nodejs/third_party/github.com/source-map-support/register.js)
+  LAUNCHER_NODE_OPTIONS+=( "--require" "${register_source_map_support}" )
 fi
 
 # The EXPECTED_EXIT_CODE lets us write bazel tests which assert that

internal/node/npm_package_bin.bzl

@@ -103,6 +103,9 @@ def npm_package_bin(
         env = {},
         outs = [],
         args = [],
+        stderr = None,
+        stdout = None,
+        exit_code_out = None,
         output_dir = False,
         link_workspace_root = False,
         chdir = None,
@@ -220,6 +223,9 @@ def npm_package_bin(
         args = args,
         chdir = chdir,
         env = env,
+        stdout = stdout,
+        stderr = stderr,
+        exit_code_out = exit_code_out,
         output_dir = output_dir,
         tool = tool,
         link_workspace_root = link_workspace_root,

internal/node/test/sourcemap/BUILD.bazel

@@ -0,0 +1,22 @@
+load("@build_bazel_rules_nodejs//:index.bzl", "nodejs_binary", "nodejs_test", "npm_package_bin")
+
+nodejs_binary(
+    name = "bin",
+    entry_point = "index.js",
+)
+
+npm_package_bin(
+    name = "run",
+    # throw away the exit code, so this action succeeds despite the program exiting 1
+    exit_code_out = "ignore_exit_code",
+    # this is where the stack trace appears
+    stderr = "actual",
+    stdout = "ignore_stdout",
+    tool = "bin",
+)
+
+nodejs_test(
+    name = "test",
+    data = ["actual"],
+    entry_point = "test.js",
+)

internal/node/test/sourcemap/test.js

@@ -0,0 +1,8 @@
+const runfiles = require(process.env['BAZEL_NODE_RUNFILES_HELPER']);
+
+const actual = require('fs').readFileSync(runfiles.resolvePackageRelative('actual'));
+
+require('assert').ok(actual.includes('index.ts:1'), `source map support is not installed
+    expected stack trace to point to line 1 of index.ts but instead got
+    ${actual}
+`);

third_party/github.com/source-map-support/BUILD.bazel

@@ -8,6 +8,7 @@ exports_files(["LICENSE"])
 
 _CONTENT = [
     "package.json",
+    "register.js",
     "source-map-support.js",
 ]
 

third_party/github.com/source-map-support/register.js

@@ -0,0 +1 @@
+require('./').install({environment: 'node'})