chore: add jest tests, cleanup rpc

hack/jest.bzl

@@ -0,0 +1,56 @@
+# Copied from https://github.com/bazelbuild/rules_nodejs/blob/stable/examples/jest/jest.bzl
+# Licensed under Apache-2.0, not modified.
+
+load("@npm//jest-cli:index.bzl", "jest", _jest_test = "jest_test")
+
+DEFAULT_DEPS = [
+    "@npm//ts-jest",
+    "@npm//enzyme",
+    "@npm//enzyme-adapter-react-16",
+    "@npm//@types/enzyme",
+    "@npm//jest-environment-enzyme",
+    "@npm//jsdom",
+    "@npm//jest",
+    "@npm//jest-enzyme",
+    "@npm//jest-styled-components",
+    "@npm//enzyme-to-json",
+    "@npm//react-dom",
+    "@npm//@types/react-dom",
+    "//:tsconfig.json",
+]
+
+def _impl_jest_test(name, srcs, deps, jest_config, **kwargs):
+    "A macro around the autogenerated jest_test rule"
+    templated_args = [
+        "--no-cache",
+        "--no-watchman",
+        "--ci",
+        "--colors",
+    ]
+    templated_args.extend(["--config", "$(rootpath %s)" % jest_config])
+    for src in srcs:
+        templated_args.extend(["--runTestsByPath", "$(rootpath %s)" % src])
+
+    data = [jest_config] + srcs + deps + ["//:jest-reporter.js"]
+    _jest_test(
+        name = name,
+        data = data,
+        templated_args = templated_args,
+        **kwargs
+    )
+
+    # This rule is used specifically to update snapshots via `bazel run`
+    jest(
+        name = "%s.update" % name,
+        data = data,
+        templated_args = templated_args + ["-u"],
+        **kwargs
+    )
+
+def jest_test(src, deps = []):
+    _impl_jest_test(
+        name = src[1:] + "_test",
+        srcs = native.glob(["*.spec.ts", "*.spec.tsx"]),
+        deps = [src] + deps + DEFAULT_DEPS,
+        jest_config = "//:jest.config.js",
+    )

hack/react.bzl

@@ -3,9 +3,17 @@ load("@npm//@bazel/typescript:index.bzl", "ts_library")
 def _render_deps(deps = []):
     output_deps = []
 
+    has_added_grpc_deps = False
+
     for dep in deps:
         if dep.startswith("//src/rpc"):
             output_deps.append(dep + ":ts")
+            if has_added_grpc_deps == False:
+                output_deps.extend([
+                    "@npm//google-protobuf",
+                    "@npm//@improbable-eng/grpc-web",
+                ])
+                has_added_grpc_deps = True
         elif dep.startswith("//"):
             output_deps.append(dep)
         else: