feat: support lockfile v4

.github/workflows/ci.yml

@@ -29,15 +29,20 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@main
         with:
-          # TODO: revert back to actually using latest stable once https://github.com/denoland/deno/issues/22926 is released
-          deno-version: ${{ matrix.deno == 'v1.x' && 'v1.40.3' || matrix.deno}}
+          deno-version: "1.x"
+
+      - name: Install Rust
+        uses: dsherret/rust-toolchain-file@v1
 
       - run: deno --version
 
       - name: Format
         if: runner.os == 'Linux'
         run: deno fmt --check
 
+      - name: Build Wasm
+        run: deno task wasmbuild
+
       - name: Lint
         if: runner.os == 'Linux'
         run: deno lint

.gitignore

@@ -2,4 +2,6 @@
 dist/
 node_modules/
 dist/
-
+/target
+src/wasm/loader.generated.d.ts
+src/wasm/loader.generated.js

.rustfmt.toml

@@ -0,0 +1,3 @@
+max_width = 80
+tab_spaces = 2
+edition = "2021"

Cargo.toml

@@ -0,0 +1,11 @@
+[workspace]
+resolver = "2"
+members = [
+  "src/wasm",
+]
+
+[profile.release]
+codegen-units = 1
+incremental = true
+lto = true
+opt-level = "z"

README.md

@@ -15,7 +15,7 @@ This example bundles an entrypoint into a single ESM output.
 
 ```js
 import * as esbuild from "npm:[email protected]";
-// Import the WASM build on platforms where running subprocesses is not
+// Import the Wasm build on platforms where running subprocesses is not
 // permitted, such as Deno Deploy, or when running without `--allow-run`.
 // import * as esbuild from "https://deno.land/x/[email protected]/wasm.js";
 
@@ -42,7 +42,7 @@ esbuild.stop();
   pre-downloaded into a local `node_modules/` directory.
 - When using the `"portable"` loader with `jsr:` specifiers, a lockfile must be
   present and passed to the loader (either using `configPath` or `lockPath`).
-- `npm:` specifiers are not supported on WASM esbuild builds due to FS access
+- `npm:` specifiers are not supported on Wasm esbuild builds due to FS access
   limitations (see https://github.com/evanw/esbuild/pull/2968).
 
 ## Documentation

deno.json

@@ -17,11 +17,19 @@
   },
   "lock": false,
   "tasks": {
-    "test": "deno test -A --parallel --trace-ops",
+    "test": "deno test -A --parallel --trace-leaks",
     "check:types": "deno check **/*.ts",
-    "ok": "deno fmt --check && deno lint && deno task check:types && deno task test"
+    "ok": "deno fmt --check && deno lint && deno task check:types && deno task test",
+    "wasmbuild": "deno run -A jsr:@deno/[email protected] --sync --out src/wasm"
   },
-  "fmt": { "exclude": ["dist"] },
-  "lint": { "exclude": ["dist"] },
-  "publish": { "exclude": ["testdata/", "*_test.ts"] }
+  "fmt": { "exclude": ["dist", "target"] },
+  "lint": { "exclude": ["dist", "target", "testdata"] },
+  "publish": {
+    "exclude": [
+      "testdata/",
+      "*_test.ts",
+      "!src/wasm/loader.generated.d.ts",
+      "!src/wasm/loader.generated.js"
+    ]
+  }
 }