feat: export which package as global

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,4 +3,5 @@ Fixes #<issue_number_goes_here>
 > It's a good idea to open an issue first for discussion.
 
 - [ ] Tests pass
-- [ ] Appropriate changes to README are included in PR
+- [ ] Appropriate changes to README are included in PR
+- [ ] Types updated

README.md

@@ -300,6 +300,16 @@ The [minimist](https://www.npmjs.com/package/minimist) package.
 
 Available as global const `argv`.
 
+#### `which`
+
+The [which](https://github.com/npm/node-which) package.
+
+```js
+let node = await which('node')
+
+let node = which.sync('node')
+```
+
 ### Configuration
 
 #### `$.shell`

package.json

@@ -32,6 +32,7 @@
     "@types/fs-extra": "^9.0.13",
     "@types/minimist": "^1.2.2",
     "@types/node": "^17.0",
+    "@types/which": "^2.0.1",
     "chalk": "^5.0.1",
     "fs-extra": "^10.0.1",
     "globby": "^13.1.1",

src/globals.d.ts

@@ -11,6 +11,7 @@ import {
   path as _path,
   question,
   sleep,
+  which as _which,
 } from './index'
 
 declare global {
@@ -28,4 +29,5 @@ declare global {
   var path: typeof _path
   var question: question
   var sleep: sleep
+  var which: typeof _which
 }

src/index.d.ts

@@ -22,6 +22,7 @@ import {ChalkInstance} from 'chalk'
 import * as _yaml from 'yaml'
 import _fetch from 'node-fetch'
 import {ParsedArgs} from 'minimist'
+import * as _which from 'which'
 
 interface $ {
   (pieces: TemplateStringsArray, ...args: any[]): ProcessPromise<ProcessOutput>
@@ -78,3 +79,4 @@ export const path: typeof _path
 export const question: question
 export const sleep: sleep
 export const quiet: quiet
+export const which: typeof _which

src/index.mjs

@@ -26,7 +26,7 @@ import YAML from 'yaml'
 import minimist from 'minimist'
 import psTreeModule from 'ps-tree'
 
-export {chalk, fs, os, path, YAML}
+export {chalk, fs, os, path, YAML, which}
 export const sleep = promisify(setTimeout)
 export const argv = minimist(process.argv.slice(2))
 export const globby = Object.assign(function globby(...args) {
@@ -52,6 +52,7 @@ export function registerGlobals() {
     question,
     sleep,
     YAML,
+    which,
   })
 }
 

test.mjs

@@ -257,6 +257,10 @@ if (test('Retry works')) {
   assert(Date.now() >= now + 50 * (5 - 1))
 }
 
+if (test('which available')) {
+  assert.equal(which.sync('npm'), await which('npm'))
+}
+
 let version
 if (test('require() is working in ESM')) {
   let data = require('./package.json')