chore(runfiles): accept rules_js env as well

diff --git a/internal/runfiles/index.cjs b/internal/runfiles/index.cjs
index ee37219..e46f207 100644
--- a/internal/runfiles/index.cjs
+++ b/internal/runfiles/index.cjs

@@ -65,11 +65,11 @@
                  --spawn_strategy=standalone to the command line.`);
         }
         // Bazel starts actions with pwd=execroot/my_wksp or pwd=runfiles/my_wksp
-        this.workspace = _env['BAZEL_WORKSPACE'] || undefined;
+        this.workspace = _env['BAZEL_WORKSPACE'] || _env['JS_BINARY__WORKSPACE'] || undefined;
         // If target is from an external workspace such as @npm//rollup/bin:rollup
         // resolvePackageRelative is not supported since package is in an external
         // workspace.
-        const target = _env['BAZEL_TARGET'];
+        let target = _env['BAZEL_TARGET'] || _env['JS_BINARY__TARGET'];
         if (!!target && !target.startsWith('@')) {
             // //path/to:target -> path/to
             this.package = target.split(':')[0].replace(/^\/\//, '');

diff --git a/packages/runfiles/runfiles.ts b/packages/runfiles/runfiles.ts
index 37528d8..d4e820a 100755
--- a/packages/runfiles/runfiles.ts
+++ b/packages/runfiles/runfiles.ts

@@ -44,11 +44,11 @@
                  --spawn_strategy=standalone to the command line.`);
     }
     // Bazel starts actions with pwd=execroot/my_wksp or pwd=runfiles/my_wksp
-    this.workspace = _env['BAZEL_WORKSPACE'] || undefined;
+    this.workspace = _env['BAZEL_WORKSPACE'] || _env['JS_BINARY__WORKSPACE'] || undefined;
     // If target is from an external workspace such as @npm//rollup/bin:rollup
     // resolvePackageRelative is not supported since package is in an external
     // workspace.
-    const target = _env['BAZEL_TARGET'];
+    let target = _env['BAZEL_TARGET'] || _env['JS_BINARY__TARGET'];
     if (!!target && !target.startsWith('@')) {
       // //path/to:target -> path/to
       this.package = target.split(':')[0].replace(/^\/\//, '');