Gate web-sys APIs on activated features

.appveyor.yml

@@ -25,7 +25,7 @@ test_script:
   - where chromedriver
   - set CHROMEDRIVER=C:\Tools\WebDriver\chromedriver.exe
   - cargo test -p js-sys --target wasm32-unknown-unknown
-  - cargo test -p web-sys --target wasm32-unknown-unknown
+  - cargo test --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --all-features
   - cargo test -p webidl-tests --target wasm32-unknown-unknown
 
 branches:

.travis.yml

@@ -97,8 +97,15 @@ matrix:
         - *INSTALL_CHROMEDRIVER
       script:
         - export RUST_LOG=wasm_bindgen_test_runner
-        - CHROMEDRIVER=`pwd`/chromedriver cargo test -p web-sys --target wasm32-unknown-unknown
-        - GECKODRIVER=`pwd`/geckodriver cargo test -p web-sys --target wasm32-unknown-unknown
+        # Test out builds with just a few features
+        - cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown
+        - cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --features Node
+        - cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --features Element
+        - cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --features Window
+
+        # Now run all the tests with all the features
+        - CHROMEDRIVER=`pwd`/chromedriver cargo test --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --all-features
+        - GECKODRIVER=`pwd`/geckodriver cargo test --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --all-features
       addons:
         firefox: latest
         chrome: stable
@@ -176,7 +183,10 @@ matrix:
         - cargo install-update -a
       script:
         - (cd guide && mdbook build)
-        - cargo doc --no-deps -p wasm-bindgen -p web-sys -p js-sys -p wasm-bindgen-futures
+        - cargo doc --no-deps
+        - cargo doc --no-deps --manifest-path crates/js-sys/Cargo.toml
+        - cargo doc --no-deps --manifest-path crates/futures/Cargo.toml
+        - cargo doc --no-deps --manifest-path crates/web-sys/Cargo.toml --all-features
         - mv target/doc guide/book/api
       deploy:
         provider: pages

crates/backend/src/defined.rs

@@ -77,6 +77,15 @@ where
     }
 }
 
+impl<'a, T: ImportedTypes> ImportedTypes for &'a T {
+    fn imported_types<F>(&self, f: &mut F)
+    where
+        F: FnMut(&Ident, ImportedTypeKind),
+    {
+        (*self).imported_types(f)
+    }
+}
+
 impl ImportedTypes for ast::Program {
     fn imported_types<F>(&self, f: &mut F)
     where

crates/backend/src/error.rs

@@ -15,9 +15,12 @@ macro_rules! bail_span {
     )
 }
 
+#[derive(Debug)]
 pub struct Diagnostic {
     inner: Repr,
 }
+
+#[derive(Debug)]
 enum Repr {
     Single {
         text: String,

crates/backend/src/util.rs

@@ -103,6 +103,7 @@ pub fn wrap_import_function(function: ast::ImportFunction) -> ast::Import {
 ///
 /// Hashes the public field here along with a few cargo-set env vars to
 /// distinguish between runs of the procedural macro.
+#[derive(Debug)]
 pub struct ShortHash<T>(pub T);
 
 impl<T: Hash> fmt::Display for ShortHash<T> {