ci: add docs.ts test builds

For only the packages with specific set of features for docs.rs building

.github/workflows/test.yaml

@@ -128,17 +128,18 @@ jobs:
       - name: make build-wasmer-wasm
         run: make build-wasmer-wasm
 
-  test_build_docs_api:
-    name: Test build docs api
+  test_build_docs_rs:
+    name: Test build docs rs
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: 1.65
           target: x86_64-unknown-linux-gnu
-      - name: make build-docs-api
-        run: make build-docs-api
+      - run: cargo install toml-cli # toml-cli is required to run `make test-build-docs-rs`
+      - name: make test-build-docs-rs
+        run: make test-build-docs-rs
 
   build_linux_aarch64:
     name: ${{ matrix.build-what.name }} on linux-aarch64

Makefile

@@ -440,8 +440,16 @@ endif
 build-docs:
 	$(CARGO_BINARY) doc $(CARGO_TARGET_FLAG) --release $(compiler_features) --document-private-items --no-deps --workspace --exclude wasmer-c-api
 
-build-docs-api:
-	$(CARGO_BINARY) doc $(CARGO_TARGET_FLAG) --release $(compiler_features) --manifest-path lib/api/Cargo.toml --features compiler,core,cranelift,engine,jit,singlepass,static-artifact-create,static-artifact-load,sys,sys-default,wasmer-artifact-create,wasmer-artifact-load
+test-build-docs-rs:
+	@manifest_docs_rs_features_path="package.metadata.docs.rs.features"; \
+	for manifest_path in lib/*/Cargo.toml; do \
+		toml get "$$manifest_path" "$$manifest_docs_rs_features_path" >/dev/null 2>&1; \
+		if [ $$? -ne 0 ]; then \
+			continue; \
+		fi; \
+		features=$$(toml get "$$manifest_path" "$$manifest_docs_rs_features_path" | sed 's/\[//; s/\]//; s/"\([^"]*\)"/\1/g'); \
+		$(CARGO_BINARY) doc $(CARGO_TARGET_FLAG) --release $(compiler_features) --manifest-path "$$manifest_path" --features "$$features"; \
+	done
 
 build-docs-capi:
 	# `wasmer-c-api` lib's name is `wasmer`. To avoid a conflict