test: add bun to test matrix

.github/workflows/ci.yaml

@@ -113,3 +113,17 @@ jobs:
 
       - name: Run smoke:cjs tests
         run: npm run test:smoke:cjs
+
+  smoke-bun:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Bun
+        uses: antongolub/action-setup-bun@v1
+      - uses: actions/download-artifact@v4
+        with:
+          name: build
+      - run: |
+          bun ./src/test/smoke/invoke.test.cjs
+          bun ./src/test/smoke/invoke.test.mjs

README.md

@@ -8,7 +8,7 @@
 # 🔬🧫
 
 > This subproject is a kind of experiment, addressed to the [google/zx/issues/589](https://github.com/google/zx/issues/589).
-Just a testing ground for verifying ideas and approaches aimed at improve the [zx](https://github.com/google/zx) architecture.
+Just a testing ground for verifying ideas and approaches aimed at improve the [zx's](https://github.com/google/zx) architecture.
 
 ## Concepts
 * **Layered** architecture:
@@ -20,6 +20,16 @@ Just a testing ground for verifying ideas and approaches aimed at improve the [z
   * The context object at every layer is accessible fo modify.
   * Typings are mostly represented by interfaces, so it's easy to tweak up if necessary. 
 
+## Requirements
+* **OS**
+  * Linux
+  * MacOS
+  * Windows
+* **JS Runtime**
+  * Node.js >= 6 (CJS)
+  * Node.js >= 12 (ESM)
+  * Bun >= 1.0.0
+
 ## Install
 ```bash
 yarn add zurk

src/main/ts/x.ts

@@ -86,13 +86,14 @@ export interface TShellSync {
 }
 
 export const $: TShell = function(this: any, pieces?: any, ...args: any): any {
-  const preset = this || {}
+  const self =  (this !== globalThis) && this
+  const preset = self || {}
 
   if (pieces === undefined) return applyMixins($, preset)
 
   if (isStringLiteral(pieces)) return ignite(preset, pieces, ...args)
 
-  return (...args: any) => $.apply(this ? assign(this, pieces) : pieces, args)
+  return (...args: any) => $.apply(self ? assign(self, pieces) : pieces, args)
 }
 
 const ignite = (preset: any, pieces: TemplateStringsArray, ...args: any[]) => {

src/test/smoke/invoke.test.mjs

@@ -1,8 +1,21 @@
 import assert from 'assert'
-import { zurk } from 'zurk'
+import { zurk, $ } from '../../../target/esm/index.mjs'
 
-const result = zurk({ sync: true, cmd: 'echo', args: ['foo'] })
-assert.match(result.stdout, /foo/)
-assert.equal(result.status, 0)
+const keepAlive = setInterval(() => {}, 1000 * 60 * 60)
 
+const r1 = zurk({ sync: true, cmd: 'echo', args: ['foo'] })
+assert.ok(/foo/.test(r1.stdout))
+assert.equal(r1.status, 0)
+
+const r2 = $({sync: true})`echo bar`
+assert.ok(/bar/.test(r2.stdout))
+assert.equal(r2.status, 0);
+
+$`echo baz`.then((r3) => {
+  assert.ok(/baz/.test(r3.stdout))
+  assert.equal(r3.status, 0)
+  clearInterval(keepAlive)
+})
+
+console.log('nodejs:', process.versions.node)
 console.log('smoke mjs: ok')