Export getPath

package.json

@@ -65,6 +65,7 @@
     "gulp": "^4.0.2",
     "gulp-shared-tasks": "^0.30.35",
     "husky": "^3.0.3",
+    "path-exists": "^4.0.0",
     "test-each": "^1.7.2"
   },
   "engines": {

src/main.js

@@ -10,14 +10,19 @@ import { validateInput } from './validate.js'
 export const nve = async function(versionRange, args = []) {
   validateInput(args)
 
-  // Download the Node.js binary
-  const cacheDir = await globalCacheDir(CACHE_DIR)
-  const nodePath = await getNode(versionRange, cacheDir)
+  const nodePath = await getPath(versionRange)
 
   const { code, signal } = await runNodeProcess(nodePath, args)
   return { code, signal }
 }
 
+// Download the Node.js binary
+export const getPath = async function(versionRange) {
+  const cacheDir = await globalCacheDir(CACHE_DIR)
+  const nodePath = await getNode(versionRange, cacheDir)
+  return nodePath
+}
+
 const CACHE_DIR = 'nve'
 
 // Forward arguments to another node binary located at `nodePath`.

test/main.js

@@ -1,6 +1,7 @@
 import test from 'ava'
+import pathExists from 'path-exists'
 
-import { nve } from '../src/main.js'
+import { nve, getPath } from '../src/main.js'
 
 import { TEST_VERSION, runCli } from './helpers/main.js'
 
@@ -41,3 +42,9 @@ test('Forward signal | programmatic', async t => {
 
   t.is(signal, null)
 })
+
+test('Retrieve node filepath', async t => {
+  const path = await getPath(TEST_VERSION)
+
+  t.true(await pathExists(path))
+})