feat: support generating TypeScript definitions to be used with @grpc/proto-loader

grpc/tasks.py

@@ -0,0 +1,39 @@
+from invoke import task
+from pathlib import Path
+
+ROOT = Path(__file__).parent
+PB_ROOT = ROOT / "pb"
+
+
+# @task
+# def clean(c, docs=False, bytecode=False, extra=""):
+#     patterns = ["build"]
+#     if docs:
+#         patterns.append("docs/_build")
+#     if bytecode:
+#         patterns.append("**/*.pyc")
+#     if extra:
+#         patterns.append(extra)
+#     for pattern in patterns:
+#         c.run("rm -rf {}".format(pattern))
+
+
+@task(
+    help={
+        "target": "Target gRPC licent code to generate.",
+    }
+)
+def gen(c, target="types"):
+    """
+    Generate gRPC client code.
+    """
+    outDir = "gen/types"
+    paths = Path(PB_ROOT).glob('**/*.proto')
+    for path in paths:
+        # because path is object not string
+        pathStr = str(path)
+        print("Generating f or", pathStr)
+        c.run(
+            "npx proto-loader-gen-types --includeComments --grpcLib @grpc/grpc-js -I pb -O {} {}"
+                .format(outDir, pathStr)
+        )