Add //:javascript target

Author: pcj

BUILD.bazel

@@ -98,3 +98,41 @@ filegroup(
         ":dist_zip",
     ],
 )
+
+filegroup(
+    name = "javascript",
+    srcs = [
+        "asserts.js",
+        "binary/any_field_type.js",
+        "binary/arith.js",
+        "binary/binary_constants.js",
+        "binary/bytesource.js",
+        "binary/bytesource_alias.js",
+        "binary/decoder.js",
+        "binary/decoder_alias.js",
+        "binary/encoder.js",
+        "binary/encoder_alias.js",
+        "binary/errors.js",
+        "binary/internal_buffer.js",
+        "binary/reader.js",
+        "binary/reader_alias.js",
+        "binary/repeated_field_type.js",
+        "binary/scalar_field_type.js",
+        "binary/test_utils.js",
+        "binary/utf8.js",
+        "binary/utils.js",
+        "binary/writer.js",
+        "binary/writer_alias.js",
+        "bytestring.js",
+        "debug.js",
+        "extension_field_binary_info.js",
+        "extension_field_info.js",
+        "internal_bytes.js",
+        "internal_options.js",
+        "internal_public.js",
+        "map.js",
+        "message.js",
+        "unsafe_bytestring.js",
+    ],
+    visibility = ["//visibility:public"],
+)

e2e/bcr/BUILD.bazel

@@ -26,5 +26,12 @@ $(location @protobuf//:protoc) \
 sh_test(
     name = "simple_js_test",
     srcs = ["simple_js_test.sh"],
-    data = [":simple.js"],
+    args = [
+        "$(location :simple.js)",
+        "$(locations @protobuf_javascript//:javascript)",
+    ],
+    data = [
+        ":simple.js",
+        "@protobuf_javascript//:javascript",
+    ],
 )

e2e/bcr/simple_js_test.sh

@@ -1,5 +1,23 @@
 #!/bin/bash
 set -euo pipefail
 
-file ./simple.js
-echo "PASS"
+# Check that we received arguments
+if [ $# -eq 0 ]; then
+  echo "FAIL: No arguments provided"
+  exit 1
+fi
+
+# Verify each arg is a readable file
+for arg in "$@"; do
+  if [ ! -f "$arg" ]; then
+    echo "FAIL: $arg is not a file"
+    exit 1
+  fi
+
+  if [ ! -s "$arg" ]; then
+    echo "FAIL: $arg is empty"
+    exit 1
+  fi
+done
+
+echo "PASS: Verified $# file(s)"