Split project into three workspaces: hel (the library), helcli (the tool) and helwasm (the wasm code). Move wasm incompatible code to extra modules in utils.rs to be implementable separately for wasm.

helwasm/src/lib.rs

@@ -0,0 +1,8 @@
+extern crate hel;
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub fn add(a: i32, b: i32) -> i32 {
+    a + b + 1
+}