Add wasm-lib from template

Author: pierremtb

.gitignore

@@ -35,3 +35,11 @@ yarn-error.log*
 /tests/extension.spec.ts-snapshots/*darwin*
 
 .env*
+
+# rust
+src/wasm-lib/target
+src/wasm-lib/bindings
+src/wasm-lib/kcl/bindings
+public/wasm_lib_bg.wasm
+src/wasm-lib/lcov.info
+src/wasm-lib/grackle/test_json_output

src/wasm-lib/Cargo.lock

@@ -0,0 +1,30 @@
+[package]
+name = "wasm-lib"
+version = "0.1.0"
+edition = "2021"
+repository = "https://github.com/KittyCAD/diff-viewer-extension"
+rust-version = "1.73"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+default = ["console_error_panic_hook"]
+
+[dependencies]
+# kcl-lib = "0.1.51"
+# kittycad = { version = "0.3.0", features = ["clap", "tabled", "requests", "retry"] }
+wasm-bindgen = "0.2.84"
+
+# The `console_error_panic_hook` crate provides better debugging of panics by
+# logging them with `console.error`. This is great for development, but requires
+# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
+# code size when deploying.
+console_error_panic_hook = { version = "0.1.7", optional = true }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.34"
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"

src/wasm-lib/Cargo.toml

@@ -0,0 +1,13 @@
+mod utils;
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn greet() {
+    alert("Hello, wasm-lib!");
+}

src/wasm-lib/src/lib.rs

@@ -0,0 +1,10 @@
+pub fn set_panic_hook() {
+    // When the `console_error_panic_hook` feature is enabled, we can call the
+    // `set_panic_hook` function at least once during initialization, and then
+    // we will get better error messages if our code ever panics.
+    //
+    // For more details see
+    // https://github.com/rustwasm/console_error_panic_hook#readme
+    #[cfg(feature = "console_error_panic_hook")]
+    console_error_panic_hook::set_once();
+}

src/wasm-lib/src/utils.rs

@@ -0,0 +1,13 @@
+//! Test suite for the Web and headless browsers.
+
+#![cfg(target_arch = "wasm32")]
+
+extern crate wasm_bindgen_test;
+use wasm_bindgen_test::*;
+
+wasm_bindgen_test_configure!(run_in_browser);
+
+#[wasm_bindgen_test]
+fn pass() {
+    assert_eq!(1 + 1, 2);
+}