fix: Respect volta npm and yarn paths (antfu-collective#52)

.gitignore

@@ -80,3 +80,6 @@ dist
 # IDE
 .idea
 _storage.json
+
+# System files
+.DS_Store

package.json

@@ -47,6 +47,7 @@
     "@types/ini": "^1.3.30",
     "@types/node": "^16.7.10",
     "@types/prompts": "^2.4.0",
+    "@types/which": "^2.0.1",
     "ava": "^3.15.0",
     "c8": "^7.8.0",
     "esbuild-register": "^3.0.0",
@@ -60,7 +61,8 @@
     "rimraf": "^3.0.2",
     "terminal-link": "^3.0.0",
     "tsup": "^4.14.0",
-    "typescript": "^4.4.2"
+    "typescript": "^4.4.2",
+    "which": "^2.0.2"
   },
   "eslintConfig": {
     "extends": "@antfu/eslint-config-ts"

src/runner.ts

@@ -4,7 +4,7 @@ import execa from 'execa'
 import { Agent, agents } from './agents'
 import { getDefaultAgent, getGlobalAgent } from './config'
 import { detect, DetectOptions } from './detect'
-import { remove } from './utils'
+import { remove, getVoltaPrefix } from './utils'
 
 const DEBUG_SIGN = '?'
 
@@ -63,6 +63,10 @@ export async function run(fn: Runner, args: string[], options: DetectOptions = {
   if (!command)
     return
 
+  const voltaPrefix = getVoltaPrefix()
+  if (voltaPrefix)
+    command = voltaPrefix.concat(' ').concat(command)
+
   if (debug) {
     // eslint-disable-next-line no-console
     console.log(command)

src/utils.ts

@@ -1,5 +1,6 @@
 import os from 'os'
 import { execSync } from 'child_process'
+import which from 'which'
 
 export function remove<T>(arr: T[], v: T) {
   const index = arr.indexOf(v)
@@ -27,3 +28,10 @@ export function cmdExists(cmd: string) {
     return false
   }
 }
+
+export function getVoltaPrefix(): string {
+  // https://blog.volta.sh/2020/11/25/command-spotlight-volta-run/
+  const VOLTA_PREFIX = 'volta run'
+  const hasVoltaCommand = which.sync('volta', { nothrow: true }) !== null
+  return hasVoltaCommand ? VOLTA_PREFIX : ''
+}