When using commonjs_strict option with protoc, ts-protoc-gen does not generate d.ts files correctly

[DBosley]

Versions of relevant software used

• grpc-tools 1.9.0
• google-protobuf 3.12.2
• ts-protoc-gen 0.12.0

What happened
When using protoc to generate javascript files with the commonjs_strict flag, the exports are slightly different than when you use commonjs.
What you expected to happen
ts-protoc-gen needs an option to support this strict mode.

How to reproduce it (as minimally and precisely as possible):
use this script to generate js and ts from some proto files:

#!/usr/bin/env bash

PROTOC_PATH="./node_modules/.bin/grpc_tools_node_protoc"
PROTOC_GEN_TS_PLUGIN_PATH="./node_modules/.bin/protoc-gen-ts"
PROTOC_GEN_GRPC_PATH="./node_modules/.bin/grpc_tools_node_protoc_plugin"
PROTO_PATH="./proto"
OUT_DIR="."

${PROTOC_PATH} \
    --plugin="protoc-gen-ts=${PROTOC_GEN_TS_PLUGIN_PATH}" \
    --plugin=protoc-gen-grpc=${PROTOC_GEN_GRPC_PATH} \
    --js_out="import_style=commonjs_strict,binary:${OUT_DIR}" \
    --ts_out="service=grpc-node:${OUT_DIR}" \
    --grpc_out="${OUT_DIR}" \
    -I "${PROTO_PATH}" \
    $(find ${PROTO_PATH} -iname "*.proto")

Anything else we need to know
When using commonjs_strict, the JS exports the entire proto object from the file. When using commonjs the JS exports proto.ProtobufMyProtoName.

[stale]

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