Basic wasm library

.gitignore

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+/target
+Cargo.lock

Cargo.toml

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+[package]
+name = "audioview"
+version = "0.1.0"
+authors = ["Rob Watson <rob@netflux.io>"]
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+yew = "0.17"
+wasm-bindgen = "0.2"

Makefile

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+# Based on https://raw.githubusercontent.com/saschagrunert/webapp.rs/master/Makefile
+
+GENERAL_ARGS = --release
+FRONTEND_ARGS = $(GENERAL_ARGS)
+
+.PHONY: \
+        build \
+        run
+
+all: build 
+
+build:
+	wasm-pack build --target web --out-name wasm --out-dir ./static
+
+build-doc:
+	cargo doc --all --no-deps
+
+run:
+	simple-http-server -i ./static/ -p 3000 --nocache --try-file ./static/index.html
+
+lint: lint-rustfmt lint-clippy
+
+lint-clippy:
+	cargo clippy --all -- -D warnings
+
+lint-rustfmt:
+	cargo fmt
+	git diff --exit-code

src/lib.rs

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+use wasm_bindgen::prelude::*;
+use yew::prelude::*;
+
+struct Home {}
+
+impl Component for Home {
+    type Message = ();
+    type Properties = ();
+
+    fn create(_: Self::Properties, _: ComponentLink<Self>) -> Self {
+        Self {}
+    }
+
+    fn update(&mut self, _: Self::Message) -> ShouldRender {
+        true
+    }
+
+    fn change(&mut self, _: Self::Properties) -> ShouldRender {
+        true
+    }
+
+    fn view(&self) -> Html {
+        html! { <span>{"Hello World!"}</span> }
+    }
+}
+
+#[wasm_bindgen(start)]
+pub fn run_app() {
+    App::<Home>::new().mount_to_body();
+}