add workflows

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: daily

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: Release
+on:
+  release:
+    types:
+      - created
+jobs:
+  publish:
+    name: Build & Publish to NPM
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: denoland/setup-deno@9db7f66e8e16b5699a514448ce994936c63f0d54 # v1.1.1
+        with:
+          deno-version: v1.x
+      - name: Retrieve Version
+        if: startsWith(github.ref, 'refs/tags/')
+        id: get_tag_version
+        run: echo ::set-output name=TAG_VERSION::${GITHUB_REF/refs\/tags\//}
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "16.x"
+          registry-url: "https://registry.npmjs.org"
+      - name: Build NPM Package
+        run: deno run -A --no-check=remote ./_tasks/dnt.ts ${{steps.get_tag_version.outputs.TAG_VERSION}}
+      - run: npm pack
+        working-directory: "./target/npm_pkg/"
+      - uses: actions/upload-artifact@v3
+        with:
+          name: package
+          path: "./target/npm_pkg/*.tgz"
+      - uses: octokit/[email protected]
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          route: POST /repos/paritytech/npm_publish_automation/actions/workflows/publish.yml/dispatches
+          ref: main
+          inputs: '${{ format(''{{ "repo": "{0}", "run_id": "{1}" }}'', github.repository, github.run_id) }}'
+        env:
+          GITHUB_TOKEN: ${{ secrets.NPM_PUBLISH_AUTOMATION_TOKEN }}

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+name: Test
+on: push
+jobs:
+  test:
+    name: Run Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: denoland/setup-deno@9db7f66e8e16b5699a514448ce994936c63f0d54 # v1.1.1
+        with:
+          deno-version: v1.x
+      - name: Download wabt
+        run: |
+          curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.30/wabt-1.0.30-ubuntu.tar.gz | tar -xz -C ~
+          echo "$HOME/wabt-1.0.30/bin" >> $GITHUB_PATH
+      - run: deno task star
+      - run: deno task build --check
+      - run: deno task test

_tasks/build.ts

@@ -1,12 +1,23 @@
+import * as flags from "https://deno.land/[email protected]/flags/mod.ts"
 import * as path from "https://deno.land/[email protected]/path/mod.ts"
+import { assertEquals } from "https://deno.land/[email protected]/testing/asserts.ts"
 import { encodeHex } from "../util.ts"
 
+const { check } = flags.parse(Deno.args, { boolean: ["check"] })
+
 const wasmPaths = [
   "hashers/xxhash",
   "hashers/blake2b",
 ]
 
-await Promise.all(wasmPaths.map(build))
+let success = true
+await Promise.all(wasmPaths.map((path) =>
+  build(path).catch((error) => {
+    console.error(`${path}:`, error)
+    success = false
+  })
+))
+Deno.exit(success ? 0 : 1)
 
 async function build(wasmPath: string) {
   const process = Deno.run({
@@ -22,14 +33,19 @@ async function build(wasmPath: string) {
 
   const wasm = await process.output()
 
-  await Deno.writeTextFile(
-    wasmPath + ".wasm.ts",
-    `
+  const content = `
 // @generated
 
 import { decodeHex } from "${path.relative(path.dirname(wasmPath), "util.ts")}"
 
 export default decodeHex(\n"${encodeHex(wasm).replace(/.{0,64}|$/g, "\\\n$&")}",\n)
-`.trimStart(),
-  )
+`.trimStart()
+
+  const outputPath = wasmPath + ".wasm.ts"
+  if (check) {
+    const existing = await Deno.readTextFile(outputPath)
+    assertEquals(existing, content, "Outdated file")
+  } else {
+    await Deno.writeTextFile(outputPath, content)
+  }
 }

deno.jsonc

@@ -26,7 +26,7 @@
   "tasks": {
     "build": "deno run -A _tasks/build.ts",
     "run": "deno task build && deno run -A --no-check=remote",
-    "dnt": "deno task build && deno task run _tasks/build_npm_pkg.ts",
+    "dnt": "deno task build && deno task run _tasks/dnt.ts",
     "test": "deno task build && deno test -A --no-check=remote -L=info",
     "test-update": "deno task build && deno test -A --no-check=remote -L=info -- --update",
     "bench": "deno task build && deno bench -A --no-check=remote --unstable",

hashers/mod.ts

@@ -1,4 +1,5 @@
 // moderate --exclude *.wasm.ts
 
 export * from "./blake2b.ts"
+export * from "./common.ts"
 export * from "./xxhash.ts"

mod.ts

@@ -1,4 +1,3 @@
-// moderate
+// moderate --exclude util.ts
 
 export * from "./hashers/mod.ts"
-export * from "./util.ts"

words.txt

@@ -1,3 +1,7 @@
 dprint
 hashers
 paritytech
+deno
+denoland
+chiefbiiko
+wabt