Disable emscripten in CI for beta/nightly (#731)

* Update emscripten

* Don't fail on rustup check

* Disable emscripten for non-stable builds

* Try with cargo-web emscripten

* Revert system emscripten stuff

.travis.yml

@@ -15,8 +15,8 @@ before_cache:
   - ./ci/clear_cache.sh
 
 rust:
-  - 1.39.0 # min supported
-  # - stable (enable when 1.40.0 is released)
+  # - 1.39.0 # min supported (enable when 1.40.0 is released)
+  - stable
   - beta
   - nightly
 

ci/check_examples.sh

@@ -1,12 +1,21 @@
 #!/usr/bin/env bash
+echo "$(rustup default)" | grep -q "stable"
+is_stable=$?
 set -euxo pipefail # https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
 
 # Showcase includes all other examples
 cd examples/showcase
+
 # TODO Can't build some demos with release, need fix
-cargo web build --target asmjs-unknown-emscripten
-cargo web build --target wasm32-unknown-emscripten
+
+if [ "$is_stable" == "0" ]; then
+  # TODO - Emscripten builds are broken on beta/nightly
+  cargo web build --target asmjs-unknown-emscripten
+  cargo web build --target wasm32-unknown-emscripten
+fi
+
 # TODO showcase doesn't support wasm-bindgen yet
 cargo web build --target wasm32-unknown-unknown
+
 # Reset cwd
 cd ../..

ci/run_tests.sh

@@ -1,8 +1,14 @@
 #!/usr/bin/env bash
+echo "$(rustup default)" | grep -q "stable"
+is_stable=$?
 set -euxo pipefail # https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
 
-cargo web test --features web_test --target asmjs-unknown-emscripten
-cargo web test --features web_test --target wasm32-unknown-emscripten
+if [ "$is_stable" == "0" ]; then
+  # TODO - Emscripten builds are broken on beta/nightly
+  cargo web test --features web_test --target asmjs-unknown-emscripten
+  cargo web test --features web_test --target wasm32-unknown-emscripten
+fi
+
 cargo test --features wasm_test --target wasm32-unknown-unknown
 cargo test --test macro_test
 cargo test --test derive_props_test