fix: Perform the installation steps using link-bin-executable

bin/newchanges.js

@@ -1,91 +1,13 @@
 #!/usr/bin/env node
 
-import { spawn } from 'child_process'
-import debug from 'debug'
-import { access, lstat, symlink, unlink } from 'fs/promises'
-import { platform } from 'os'
-import { dirname, join } from 'path'
+import { runAndReplaceLink, reportError } from 'link-bin-executable'
+import { dirname } from 'path'
 import { fileURLToPath } from 'url'
 
-const __filename = fileURLToPath(import.meta.url)
-const __dirname = dirname(__filename)
-const exists = file => access(file).then(() => true, () => false)
-const log = debug('newchanges')
-
-async function findExe(name) {
-  const exe = join(__dirname, '..', platform() != 'win32' ? name : `${name}.exe`)
-  if (!await exists(exe)) {
-    log('exe "%s"', exe)
-    throw new Error('missing executable')
-  }
-  return exe
-}
-
-function runExe(exe) {
-  const [,, ...args] = process.argv
-  log('run "%s" with %d args', exe, args.length)
-  return new Promise((resolve, reject) =>
-    spawn(exe, args, { stdio: 'inherit' })
-      .on('error', reject)
-      .on('exit', code => code ? reject(code) : resolve())
-  )
-}
-
-async function findBin() {
-  // installed locally
-  let bin = join(__dirname, '..', '..', '.bin')
-  log('local bin "%s"', bin)
-  // installed globally
-  if (!await exists(bin)) {
-    bin = join(__dirname, '..', '..', '..', '..', 'bin')
-    log('global bin "%s"', bin)
-    // installed dependencies of this package
-    if (!await exists(bin)) {
-      bin = join(__dirname, '..', 'node_modules', '.bin')
-      log('package bin "%s"', bin)
-    }
-    if (!await exists(bin)) throw new Error('cannot find bin directory')
-  }
-  return bin
-}
-
-async function replaceLink(bin, name, exe) {
-  const link = join(bin, name)
-  log('stat "%s"', link)
-  const { mode } = await lstat(link)
-  if (mode & 0o222) {
-    log('unlink "%s"', link)
-    await unlink(link)
-    log('link "%s"', link)
-    await symlink(exe, link, 'junction')
-    return true
-  } else {
-    log('not writable')
-  }
-}
-
-async function runAndReplaceLink(name) {
-  const exe = await findExe(name)
-  if (platform() != 'win32') {
-    const bin = await findBin()
-    await replaceLink(bin, name, exe)
-  }
-  await runExe(exe)
-}
-
-function reportError(err) {
-  let code
-  if (typeof err !== 'number') {
-    console.error(err)
-    code = 1
-  } else {
-    code = err
-  }
-  process.exitCode = code
-}
+const __dirname = dirname(fileURLToPath(import.meta.url))
 
 try {
-  await runAndReplaceLink('newchanges')
+  await runAndReplaceLink({ name: 'newchanges', scriptDirectory: __dirname })
 } catch (err) {
   reportError(err)
 }

install.js

@@ -1,13 +1,11 @@
-import debug from 'debug'
-import { access, symlink, unlink } from 'fs/promises'
-import { basename, dirname, join } from 'path'
+import { dirname } from 'path'
 import { fileURLToPath } from 'url'
 import grab from 'grab-github-release'
+import { installLink } from 'link-bin-executable'
 
 const __dirname = dirname(fileURLToPath(import.meta.url))
-const exists = file => access(file).then(() => true, () => false)
-const log = debug('newchanges')
 
+const name = 'newchanges'
 const repository = 'prantlf/v-newchanges'
 const platformSuffixes = {
   linux: 'linux',
@@ -16,34 +14,12 @@ const platformSuffixes = {
 }
 
 try {
-  if (!process.env.INIT_CWD) throw new Error('not running during npm install')
-
-  // installed locally
-  let bin = join(__dirname, '..', 'node_modules', '.bin')
-  log('local bin "%s"', bin)
-  // installed globally
-  if (!await exists(bin)) {
-    bin = join(__dirname, '..', '..', 'bin')
-    log('global bin "%s"', bin)
-    // installed dependencies of this package
-    if (!await exists(bin)) {
-      bin = join(__dirname, 'node_modules', '.bin')
-      log('package bin "%s"', bin)
-    }
-    if (!await exists(bin)) throw new Error('cannot find bin directory')
-  }
-
-  const { executable, version } = await grab(
-    { repository, platformSuffixes, targetDirectory: __dirname, unpackExecutable: true })
+  const { executable, version } = await grab({
+    repository, platformSuffixes, targetDirectory: __dirname, unpackExecutable: true
+  })
   console.log('downloaded and unpacked "%s" version %s', executable, version)
 
-  const link = join(bin, basename(executable))
-  if (await exists(link)) {
-    log('unlink "%s"', link)
-    await unlink(link)
-  }
-  log('link "%s"', link)
-  await symlink(executable, link, 'junction')
+  await installLink({ name, packageDirectory: __dirname })
 } catch (err) {
   console.error(err)
   process.exitCode = 1

package.json

@@ -53,8 +53,8 @@
     ]
   },
   "dependencies": {
-    "debug": "^4.3.4",
-    "grab-github-release": "^0.1.0"
+    "grab-github-release": "^0.1.1",
+    "link-bin-executable": "^0.0.1"
   },
   "devDependencies": {
     "@semantic-release/changelog": "6.0.3",