fix: check RUNFILES env variable in @bazel/runfiles helper (#3602)

Author: gregmagolan

internal/runfiles/index.cjs

@@ -50,8 +50,11 @@ class Runfiles {
 elseif(!!_env['RUNFILES_DIR']){
 this.runfilesDir=path__default['default'].resolve(_env['RUNFILES_DIR']);
 }
+elseif(!!_env['RUNFILES']){
+this.runfilesDir=path__default['default'].resolve(_env['RUNFILES']);
+}
 else{
-thrownewError('Every node program run under Bazel must have a $RUNFILES_DIR or $RUNFILES_MANIFEST_FILE environment variable');
+thrownewError('Every node program run under Bazel must have a $RUNFILES_DIR, $RUNFILES or $RUNFILES_MANIFEST_FILE environment variable');
 }
 // Under --noenable_runfiles (in particular on Windows)
 // Bazel sets RUNFILES_MANIFEST_ONLY=1.

packages/runfiles/runfiles.ts

@@ -28,9 +28,11 @@ export class Runfiles {
 this.manifest=this.loadRunfilesManifest(_env['RUNFILES_MANIFEST_FILE']!);
 }elseif(!!_env['RUNFILES_DIR']){
 this.runfilesDir=path.resolve(_env['RUNFILES_DIR']!);
+}elseif(!!_env['RUNFILES']){
+this.runfilesDir=path.resolve(_env['RUNFILES']!);
 }else{
 thrownewError(
-'Every node program run under Bazel must have a $RUNFILES_DIR or $RUNFILES_MANIFEST_FILE environment variable');
+'Every node program run under Bazel must have a $RUNFILES_DIR, $RUNFILES or $RUNFILES_MANIFEST_FILE environment variable');
 }
 // Under --noenable_runfiles (in particular on Windows)
 // Bazel sets RUNFILES_MANIFEST_ONLY=1.