feat: standalone binary (#92)

* feat: add an option to install the self-contained binary version of pnpm

* test: add a test about nodejs_bundled

* style: remove an empty line

* chore: use newer pnpm

* chore: update dependencies

* feat: rename `nodejs_bundled` to `standalone`

as @zkochan suggested

* docs: add

---------

Co-authored-by: Takashi Sato <takashi@tks.st>

src/inputs/index.ts

@@ -1,4 +1,4 @@
-import { getInput, InputOptions } from '@actions/core'
+import { getBooleanInput, getInput, InputOptions } from '@actions/core'
 import expandTilde from 'expand-tilde'
 import { RunInstall, parseRunInstall } from './run-install'
 
@@ -7,6 +7,7 @@ export interface Inputs {
   readonly dest: string
   readonly runInstall: RunInstall[]
   readonly packageJsonFile: string
+  readonly standalone: boolean
 }
 
 const options: InputOptions = {
@@ -20,6 +21,7 @@ export const getInputs = (): Inputs => ({
   dest: parseInputPath('dest'),
   runInstall: parseRunInstall('run_install'),
   packageJsonFile: parseInputPath('package_json_file'),
+  standalone: getBooleanInput('standalone'),
 })
 
 export default getInputs

src/install-pnpm/run.ts

@@ -6,7 +6,7 @@ import { execPath } from 'process'
 import { Inputs } from '../inputs'
 
 export async function runSelfInstaller(inputs: Inputs): Promise<number> {
-  const { version, dest, packageJsonFile } = inputs
+  const { version, dest, packageJsonFile, standalone } = inputs
 
   // prepare self install
   await remove(dest)
@@ -15,7 +15,7 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   await writeFile(pkgJson, JSON.stringify({ private: true }))
 
   // prepare target pnpm
-  const target = await readTarget(packageJsonFile, version)
+  const target = await readTarget({ version, packageJsonFile, standalone })
   const cp = spawn(execPath, [path.join(__dirname, 'pnpm.js'), 'install', target, '--no-lockfile'], {
     cwd: dest,
     stdio: ['pipe', 'inherit', 'inherit'],
@@ -33,8 +33,14 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   return exitCode
 }
 
-async function readTarget(packageJsonFile: string, version?: string | undefined) {
-  if (version) return `pnpm@${version}`
+async function readTarget(opts: {
+  readonly version?: string | undefined
+  readonly packageJsonFile: string
+  readonly standalone: boolean
+}) {
+  const { version, packageJsonFile, standalone } = opts
+
+  if (version) return `${ standalone ? '@pnpm/exe' : 'pnpm' }@${version}`
 
   const { GITHUB_WORKSPACE } = process.env
   if (!GITHUB_WORKSPACE) {
@@ -55,6 +61,11 @@ Please specify it by one of the following ways:
   if (!packageManager.startsWith('pnpm@')) {
     throw new Error('Invalid packageManager field in package.json')
   }
+
+  if(standalone){
+    return packageManager.replace('pnpm@', '@pnpm/exe@')
+  }
+
   return packageManager
 }