Get bodge working

Author: expede

flake.nix

@@ -117,7 +117,9 @@
           cargo-udeps
           cargo-watch
           twiggy
-          wasm-bindgen-cli
+          binaryen
+          esbuild
+          unstable.wasm-bindgen-cli
           wasm-tools
         ];
 
@@ -128,14 +130,14 @@
 
         projectCommands = {
           "bodge" = cmd "Build ucan_wasm with wasm-bodge" ''
-            set -e
-            rm -rf "$WORKSPACE_ROOT/ucan_wasm/dist"
+            set -eu
+            rm -rf "''${WORKSPACE_ROOT:?WORKSPACE_ROOT is not set}/ucan_wasm/dist"
 
             echo "===> wasm-bodge build ucan_wasm..."
             ${wasm-bodge-bin} build \
-              --crate-path "$WORKSPACE_ROOT/ucan_wasm" \
-              --package-json "$WORKSPACE_ROOT/ucan_wasm/package.json" \
-              --out-dir "$WORKSPACE_ROOT/ucan_wasm/dist"
+              --crate-path "''${WORKSPACE_ROOT:?}/ucan_wasm" \
+              --package-json "''${WORKSPACE_ROOT:?}/ucan_wasm/package.json" \
+              --out-dir "''${WORKSPACE_ROOT:?}/ucan_wasm/dist"
 
             echo ""
             echo "✓ ucan_wasm built with wasm-bodge"

ucan_wasm/Cargo.toml

@@ -12,8 +12,12 @@ license.workspace = true
 repository.workspace = true
 rust-version.workspace = true
 
+[lib]
+crate-type = ["cdylib", "rlib"]
+
 [dependencies]
 ucan = { path = "../ucan" }
+wasm-bindgen = "=0.2.114"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 getrandom = { version = "0.2", features = ["js"] }

ucan_wasm/package.json

@@ -3,14 +3,14 @@
   "version": "0.1.0",
   "description": "",
   "private": true,
-  "main": "./pkg/index.ts",
+  "main": "./dist/cjs/node.cjs",
   "scripts": {},
   "keywords": [],
   "author": "",
   "license": "Apache-2.0",
   "type": "module",
-  "module": "pkg/ucan_wasm.js",
-  "types": "pkg/ucan_wasm.d.ts",
+  "module": "./dist/esm/bundler.js",
+  "types": "./dist/index.d.ts",
   "files": [
     "dist"
   ],
@@ -33,5 +33,41 @@
     "overrides": {
       "esbuild@<=0.24.2": ">=0.25.0"
     }
+  },
+  "sideEffects": [
+    "./dist/esm/bundler.js",
+    "./dist/esm/node.js",
+    "./dist/esm/web.js",
+    "./dist/esm/workerd.js"
+  ],
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "workerd": {
+        "import": "./dist/esm/workerd.js",
+        "require": "./dist/cjs/web.cjs"
+      },
+      "node": {
+        "import": "./dist/esm/node.js",
+        "require": "./dist/cjs/node.cjs"
+      },
+      "browser": {
+        "import": "./dist/esm/bundler.js",
+        "require": "./dist/cjs/web.cjs"
+      },
+      "import": "./dist/esm/web.js",
+      "require": "./dist/cjs/web.cjs"
+    },
+    "./slim": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/esm/slim.js",
+      "require": "./dist/cjs/slim.cjs"
+    },
+    "./wasm": "./dist/ucan.wasm",
+    "./wasm-base64": {
+      "import": "./dist/esm/wasm-base64.js",
+      "require": "./dist/cjs/wasm-base64.cjs"
+    },
+    "./iife": "./dist/iife/index.js"
   }
-}
+}

ucan_wasm/src/lib.rs

@@ -1,4 +1,11 @@
-//! Wasm bindings for `rs-ucan`
+//! Wasm bindings for `rs-ucan`.
 
 #![allow(clippy::multiple_crate_versions)] // syn
-                                           // #![cfg_attr(docsrs, feature(doc_cfg))]
+
+use wasm_bindgen::prelude::*;
+
+/// Returns the library version.
+#[wasm_bindgen]
+pub fn version() -> String {
+    env!("CARGO_PKG_VERSION").to_string()
+}