add typescript example (Emurgo#11)

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
 dist/
+rust/target

.nvmrc

@@ -0,0 +1 @@
+v12.18.1

README.md

@@ -11,8 +11,32 @@ Here are the location of the original [CDDL](http://cbor.io/tools.html) specific
 - Byron: [link](https://github.com/input-output-hk/cardano-ledger-specs/blob/master/byron/cddl-spec/byron.cddl)
 - Shelley: [link](https://github.com/input-output-hk/cardano-ledger-specs/blob/master/shelley/chain-and-ledger/cddl-spec/shelley.cddl#L72)
 
+# Building
+
+If you need to install Rust, do the following:
+```
+curl https://sh.rustup.rs -sSf | sh -s -- -y
+echo 'export PATH=$HOME/.cargo/bin/:$PATH' >> $BASH_ENV
+rustup install stable
+rustup target add wasm32-unknown-unknown --toolchain stable
+```
+
+To build this repository, do the following:
+```
+git submodule update --init --recursive
+nvm install && nvm use
+npm run rust:build
+npm install
+```
+
 # Testing
 
+```
+npm run js:test
+```
+
+# Generating CDDL instances
+
 First you need to install `cddl`
 ```
 sudo apt install ruby

package.json

@@ -1,32 +1,44 @@
 {
   "name": "cardano-serialization-lib",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "processing Haskell Shelley testnet",
   "main": "dist/index.js",
   "scripts": {
-    "build": "rm -rf dist && tsc",
-    "lint": "eslint \"src/**/*.ts\"",
-    "test:watch": "mocha -w",
-    "dev": "rimraf ./dist && node ./src/index.ts",
-    "preinstall": "cd rust; wasm-pack build --target=nodejs; wasm-pack pack; cd .."
+    "rust:build": "cd rust; wasm-pack build --target=nodejs; wasm-pack pack; cd ..",
+    "rust:test": "cd rust; cargo test; cd ..",
+    "js:build": "rm -rf dist && tsc",
+    "js:dev": "rimraf ./dist && node ./src/index.ts",
+    "js:lint": "eslint \"src/**/*.ts\"",
+    "js:test:watch": "mocha -w",
+    "js:test": "mocha",
+    "js:flowgen": "npm run rust:build && flowgen ./rust/pkg/cddl_lib.d.ts -o ./rust/pkg/cddl_lib.js.flow --add-flow-header"
   },
-  "author": "",
+  "husky": {
+    "hooks": {
+      "pre-push": "npm run rust:test && npm run js:lint && npm run js:test"
+    }
+  },
+  "author": "EMURGO",
   "license": "MIT",
   "dependencies": {
-    "io-ts": "2.1.0",
-    "cbor": "5.0.1",
+    "io-ts": "2.2.6",
+    "cbor": "5.0.2",
     "@types/cbor": "5.0.0"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "2.19.2",
-    "@typescript-eslint/parser": "2.19.2",
-    "eslint": "6.8.0",
-    "@types/mocha": "7.0.1",
-    "@types/chai": "4.2.9",
-    "source-map-support": "0.5.16",
-    "ts-node": "8.6.2",
-    "mocha": "7.0.1",
-    "typescript": "3.7.5",
-    "rust-lib": "file:rust/pkg"
+    "@types/chai": "4.2.11",
+    "@types/mocha": "7.0.2",
+    "@typescript-eslint/eslint-plugin": "3.4.0",
+    "@typescript-eslint/parser": "3.4.0",
+    "bip39": "3.0.2",
+    "chai": "4.2.0",
+    "eslint": "7.3.1",
+    "flowgen": "1.11.0",
+    "husky": "4.2.5",
+    "mocha": "8.0.1",
+    "rust-lib": "file:rust/pkg",
+    "source-map-support": "0.5.19",
+    "ts-node": "8.10.2",
+    "typescript": "3.9.5"
   }
 }

rust/Cargo.toml

@@ -18,6 +18,10 @@ hex = "0.4.0"
 js-sys = "0.3.24"
 rand_os = { version = "0.1", features = ["wasm-bindgen"] }
 
+# The default can't be compiled to wasm, so it's necessary to use either the 'nightly'
+# feature or this one
+clear_on_drop = { version = "0.2", features = ["no_cc"] }
+
 [profile.release]
 # Tell `rustc` to optimize for small code size.
 opt-level = "s"

rust/pkg/.gitignore

@@ -0,0 +1 @@
+*