Wasm implementation that works e2e with signify-ts

.github/workflows/test.yml

@@ -57,6 +57,11 @@ jobs:
           cargo install wasm-pack
           wasm-pack build
 
+      - name: Test WASM
+        run: |
+          cd wasm
+          wasm-pack test --node
+
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v3
         with:

.gitignore

@@ -4,3 +4,4 @@
 .idea
 .vscode
 lcov.info
+.tags

Cargo.toml

@@ -14,7 +14,7 @@ argon2 = "~0.5"
 base64 = "~0.21"
 blake2 = "~0.10"
 blake3 = "~1"
-chrono = { version = "~0.4", default-features = false, features = ["clock"] }
+chrono = { version = "~0.4", default-features = false, features = ["clock", "serde", "wasmbind"] }
 ed25519-dalek = { version = "2.0.0", features = ["rand_core"] }
 indexmap = "~2"
 k256 = "~0.13"

Makefile

@@ -3,6 +3,7 @@ setup:
 
 clean:
 	cargo clean
+	rm wasm/pkg/*
 
 fix:
 	cargo fix
@@ -11,7 +12,11 @@ fix:
 clippy:
 	cargo clippy --all-targets -- -D warnings
 
-preflight:
+wasm: .
+	cd wasm && wasm-pack build && wasm-pack build --target=nodejs # sanity builds
+	cd wasm && wasm-pack test --node # Node tests (only ones that signify-ts uses right now)
+
+base-cesride-crate: 
 	cargo generate-lockfile
 	cargo fmt --check
 	cargo outdated -R --exit-code 1
@@ -21,4 +26,6 @@ preflight:
 	cargo build --release
 	cargo test --release
 	cargo tarpaulin
-	cd wasm && wasm-pack build && wasm-pack build --target=nodejs
+
+preflight: base-cesride-crate wasm
+	printf "Preflight check complete"

wasm/Cargo.toml

@@ -1,16 +1,23 @@
 [package]
 name = "cesride-wasm"
 description = "Cryptographic primitives for use with Composable Event Streaming Representation (CESR)"
+license = "Apache-2.0"
 version = "0.1.0"
 authors = ['Dmitry Kuzmenko <[email protected]>']
 edition = "2021"
+repository = "[email protected]:WebOfTrust/cesride.git"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
 
 [features]
 tmp_dev = []
 
+[dependencies]
+wasm-bindgen = "0.2"
+js-sys = '0.3'
+serde_json = "1.0"
+
 [dependencies.getrandom]
 version = '0.2'
 features = ['js']
@@ -19,7 +26,10 @@ features = ['js']
 path = '..'
 package = "cesride"
 
-[dependencies]
-wasm-bindgen = "0.2.84"
-js-sys = '0.3'
-serde_json = "1.0"
+[dev-dependencies]
+wasm-bindgen-test = "0.3.39"
+hex-literal = "~0.4"
+
+# wasm-opt is used instead
+#[profile.release]
+#opt_level = "s"

wasm/LICENSE

@@ -0,0 +1,201 @@
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wasm/README.md

@@ -4,23 +4,53 @@
 Install wasm-pack from https://rustwasm.github.io/wasm-pack/installer/ and then
 
 ```
-wasm-pack build # Will output modules best-suited to be bundled with webpack
-wasm-pack build --target=nodejs # Will output modules that can be directly consumed by NodeJS
-wasm-pack build --target=web # Will output modules that can be directly consumed in browser without bundler usage
+wasm-pack build [--target=bundler] # Will output modules best-suited to be bundled with webpack (Ecmascript modules, ESM)
+wasm-pack build --target=nodejs # Will output modules that can be directly consumed by NodeJS (CommonJS modules, CJS)
+wasm-pack build --target=web # Will output modules that can be directly consumed in browser without bundler usage (ESM module with extra scaffolding for use standalone)
 ```
 
-### Run NodeJS demo
+Passing `--dev` to the above commands will give extra debugging info and makes the compilation faster at the cost of a slightly bigger wasm module.
+
+## Demos
+
+These are examples of how to use the package in various flavors
+
+### CJS demo (--target=nodejs)
 ```
+wasm-pack build --target=nodejs # Will output modules that can be directly consumed by NodeJS (CommonJS modules, CJS)
 cd demo/node
 yarn install
 yarn start
 ```
 
-### Run demo in Browser
+### Browser demo (--target=web)
 ```
+wasm-pack build --target=web # Will output modules that can be directly consumed in browser without bundler usage (ESM module with extra scaffolding for use standalone)
 cd demo/web
+python -m http.server # or another web server of choice serving index.html which should load the pkg automatically as a js module. See index.html for example of scaffolding necessary to get the wasm to load.
+```
+
+### ESM demo (--target=bundler)
+```
+wasm-pack build # Will output modules best-suited to be bundled with webpack (Ecmascript modules, ESM)
+cd demo/webpack
 yarn install
 yarn serve
+# and then visit http://localhost:8080 in a browser should run the example!
 ```
 
-and then visit http://localhost:8080 in a browser should run the example!
+## Integration with signify-ts
+Currently only the CJS artifact works when integrating with signify-ts (maybe someone better with the various nonsense js import systems can figure it out).  The steps are as follows:
+1. Build cesride in the regular fashion.
+2. cd to the wasm directory and use `wasm-pack build --target=nodejs` to build your wasm package
+3. Add the `pkg/` directory as a dependency to signify-ts
+4. The cesride-wasm artifact should now be callable by tests and signify-ts.
+
+Its also nice to note that wasm-pack produces a types file in pkg/ that describes the complete interface.  Something like `cesride_wasm.d.ts`.  Useful for debugging when making changes to this crate.
+
+## Testing
+You can test the Rust interface wrappers using rstest as long as they're vanilla Rust but as soon as you start having dependencies on anything that requires wasm-pack it'll be better to use wasm-bindgen-test crate to test.  Those tests are in the `tests` directory and must remain in the base wasm crate for wasm-bindgen-test to work.
+
+That crate is actually just the runner, `wasm-pack test --target=<{node,chrome,firefox,safari}>` is how the tests are run and by default they run in --headless browsers.  Some of the targets may not work if you don't have the correct browser drivers installed on your testing instance or docker container.  Installing those is out of scope for this README.
+
+To add a test, import from the cesride\_wasm crate and test it by using the the macro #[wasm\_bindgen\_test] on all the things you'd like to test.  Async tests are also available.  More info can be found (here)[https://rustwasm.github.io/wasm-bindgen/wasm-bindgen-test/index.html]

wasm/demo/node/src/main.ts

@@ -1,16 +1,16 @@
 import { Dater } from "cesride-wasm";
 
 function main() {
-    const date = Dater.new_with_dts("2020-08-22T17:50:09.988921+00:00");
+    const date = new Dater("2020-08-22T17:50:09.988921+00:00", undefined, undefined, undefined, undefined, undefined);
     console.log("<p>Date:</p>");
-    console.log("dts: " + date.dts() + "<br/>");
-    console.log("dtsb: " + date.dtsb() + "<br/>");
-    console.log("code: " + date.code() + "<br/>");
-    console.log("size: " + date.size() + "<br/>");
-    console.log("raw: " + date.raw() + "<br/>");
-    console.log("qb64: " + date.qb64() + "<br/>");
-    console.log("qb64b: " + date.qb64b() + "<br/>");
-    console.log("qb2: " + date.qb2() + "<br/>");
+    console.log("dts: " + date.dts + "<br/>");
+    console.log("dtsb: " + date.dtsb + "<br/>");
+    console.log("code: " + date.code + "<br/>");
+    console.log("size: " + date.size + "<br/>");
+    console.log("raw: " + date.raw + "<br/>");
+    console.log("qb64: " + date.qb64 + "<br/>");
+    console.log("qb64b: " + date.qb64b + "<br/>");
+    console.log("qb2: " + date.qb2 + "<br/>");
     }
 
 main()