test: update pnpm to v9

README.md

@@ -40,11 +40,11 @@ If `run_install` is a YAML string representation of either an object or an array
 
 #### `run_install.args`
 
-**Optional** (_type:_ `string[]`) Additional arguments after `pnpm [recursive] install`, e.g. `[--ignore-scripts, --strict-peer-dependencies]`.
+**Optional** (_type:_ `string[]`) Additional arguments after `pnpm [recursive] install`, e.g. `[--frozen-lockfile, --strict-peer-dependencies]`.
 
 ### `package_json_file`
 
-**Optional** (_type:_ `string`, _default:_ `package.json`) File path to the `package.json`/[`package.yaml`](https://github.com/pnpm/pnpm/pull/1799) to read "packageManager" configuration.
+**Optional** (_type:_ `string`, _default:_ `package.json`) File path to the `package.json` to read "packageManager" configuration.
 
 ### `standalone`
 
@@ -117,9 +117,9 @@ jobs:
       - uses: pnpm/action-setup@v4
         with:
           version: 10
-          run_install:
+          run_install: |
             - recursive: true
-              args: [--strict-peer-dependencies]
+              args: [--frozen-lockfile, --strict-peer-dependencies]
             - args: [--global, gulp, prettier, typescript]
 ```
 

src/install-pnpm/run.ts

@@ -5,7 +5,6 @@ import { readFileSync } from 'fs'
 import path from 'path'
 import { execPath } from 'process'
 import util from 'util'
-import * as yaml from 'yaml'
 import { Inputs } from '../inputs'
 import YAML from 'yaml'
 
@@ -65,7 +64,6 @@ async function readTarget(opts: {
   if (version) {
     if (
       typeof packageManager === 'string' &&
-      packageManager.startsWith('pnpm@') &&
       packageManager.replace('pnpm@', '') !== version
     ) {
       throw new Error(`Multiple versions of pnpm specified:
@@ -85,18 +83,10 @@ Otherwise, please specify the pnpm version in the action configuration.`)
   }
 
   if (typeof packageManager !== 'string') {
-    if (GITHUB_WORKSPACE) {
-      try {
-        const { lockfileVersion } = yaml.parse(readFileSync(path.join(GITHUB_WORKSPACE, 'pnpm-lock.yaml'), 'utf8'))
-        const version = getPnpmVersionFromLockfile(lockfileVersion);
-        return `${ standalone ? '@pnpm/exe' : 'pnpm' }@${version}`
-      } catch (error: unknown) {
-        throw new Error(`No pnpm version is specified.
+    throw new Error(`No pnpm version is specified.
 Please specify it by one of the following ways:
   - in the GitHub Action config with the key "version"
   - in the package.json with the key "packageManager"`)
-      }
-    }
   }
 
   if (!packageManager.startsWith('pnpm@')) {
@@ -110,21 +100,4 @@ Please specify it by one of the following ways:
   return packageManager
 }
 
-function getPnpmVersionFromLockfile(
-  lockfileVersion: string | undefined
-): string | undefined {
-  switch (true) {
-    case lockfileVersion === '5.3':
-      return 'latest-6';
-    case lockfileVersion === '5.4':
-      return 'latest-7';
-    case lockfileVersion === '6.0' || lockfileVersion === '6.1':
-      return 'latest-8';
-    case lockfileVersion === '7.0' || lockfileVersion === '9.0':
-      return 'latest-9';
-    default:
-      return undefined;
-  }
-}
-
 export default runSelfInstaller