feat: support PNPM as a package manager (#1531)

Enables vue-cli to use PNPM (https://pnpm.js.org/) as package manager

Author: robertkruis

packages/@vue/cli-service/lib/commands/serve.js

@@ -1,6 +1,7 @@
 const {
   info,
   hasProjectYarn,
+  hasPnpm,
   openBrowser,
   IpcMessenger
 } = require('@vue/cli-shared-utils')
@@ -234,7 +235,7 @@ module.exports = (api, options) => {
           isFirstCompile = false
 
           if (!isProduction) {
-            const buildCommand = hasProjectYarn(api.getCwd()) ? `yarn build` : `npm run build`
+            const buildCommand = hasProjectYarn(api.getCwd()) ? `yarn build` : hasPnpm() ? `pnpm run build` : `npm run build`
             console.log(`  Note that the development build is not optimized.`)
             console.log(`  To create a production build, run ${chalk.cyan(buildCommand)}.`)
           } else {

packages/@vue/cli-shared-utils/lib/env.js

@@ -2,6 +2,7 @@ const { execSync } = require('child_process')
 const fs = require('fs')
 const path = require('path')
 const LRU = require('lru-cache')
+const semver = require('semver')
 
 let _hasYarn
 const _yarnProjects = new LRU({
@@ -13,6 +14,7 @@ const _gitProjects = new LRU({
   max: 10,
   maxAge: 1000
 })
+let _hasPnpm
 
 // env detection
 exports.hasYarn = () => {
@@ -77,6 +79,25 @@ exports.hasProjectGit = (cwd) => {
   return result
 }
 
+exports.hasPnpm = () => {
+  if (process.env.VUE_CLI_TEST) {
+    return true
+  }
+  if (_hasPnpm != null) {
+    return _hasPnpm
+  }
+  try {
+    const pnpmVersion = execSync('pnpm --version').toString()
+    // there's a critical bug in pnpm 2
+    // https://github.com/pnpm/pnpm/issues/1678#issuecomment-469981972
+    // so we only support pnpm >= 3.0.0
+    _hasPnpm = semver.gte(pnpmVersion, '3.0.0')
+    return _hasPnpm
+  } catch (e) {
+    return (_hasPnpm = false)
+  }
+}
+
 // OS
 exports.isWindows = process.platform === 'win32'
 exports.isMacintosh = process.platform === 'darwin'

packages/@vue/cli-ui/apollo-server/type-defs.js

@@ -8,6 +8,7 @@ scalar JSON
 enum PackageManager {
   npm
   yarn
+  pnpm
 }
 
 interface DescribedEntity {

packages/@vue/cli-ui/apollo-server/util/command.js

@@ -1,12 +1,13 @@
 const {
   hasYarn,
-  hasProjectYarn
+  hasProjectYarn,
+  hasPnpm
 } = require('@vue/cli-shared-utils')
 const { loadOptions } = require('@vue/cli/lib/options')
 
 exports.getCommand = function (cwd = undefined) {
   if (!cwd) {
-    return loadOptions().packageManager || (hasYarn() ? 'yarn' : 'npm')
+    return loadOptions().packageManager || (hasYarn() ? 'yarn' : hasPnpm() ? 'pnpm' : 'npm')
   }
-  return hasProjectYarn(cwd) ? 'yarn' : 'npm'
+  return hasProjectYarn(cwd) ? 'yarn' : hasPnpm() ? 'pnpm' : 'npm'
 }

packages/@vue/cli-ui/src/components/project-create/ProjectCreate.vue

@@ -96,6 +96,10 @@
                       value="yarn"
                       label="yarn"
                     />
+                    <VueSelectButton
+                      value="pnpm"
+                      label="pnpm"
+                    />
                   </VueSelect>
                 </VueFormField>
 

packages/@vue/cli/__tests__/Creator.spec.js

@@ -16,7 +16,7 @@ test('default', async () => {
     },
     {
       message: 'package manager',
-      choices: ['Yarn', 'NPM'],
+      choices: ['Yarn', 'PNPM', 'NPM'],
       choose: 0
     }
   ]

packages/@vue/cli/lib/Creator.js

@@ -33,6 +33,7 @@ const {
   hasGit,
   hasProjectGit,
   hasYarn,
+  hasPnpm,
   logWithSpinner,
   stopSpinner,
   exit,
@@ -97,7 +98,8 @@ module.exports = class Creator extends EventEmitter {
     const packageManager = (
       cliOptions.packageManager ||
       loadOptions().packageManager ||
-      (hasYarn() ? 'yarn' : 'npm')
+      (hasYarn() ? 'yarn' : null) ||
+      (hasPnpm() ? 'pnpm' : 'npm')
     )
 
     await clearConsole()
@@ -214,7 +216,7 @@ module.exports = class Creator extends EventEmitter {
       log(
         `👉  Get started with the following commands:\n\n` +
         (this.context === process.cwd() ? `` : chalk.cyan(` ${chalk.gray('$')} cd ${name}\n`)) +
-        chalk.cyan(` ${chalk.gray('$')} ${packageManager === 'yarn' ? 'yarn serve' : 'npm run serve'}`)
+        chalk.cyan(` ${chalk.gray('$')} ${packageManager === 'yarn' ? 'yarn serve' : packageManager === 'pnpm' ? 'pnpm run serve' : 'npm run serve'}`)
       )
     }
     log()
@@ -410,23 +412,36 @@ module.exports = class Creator extends EventEmitter {
 
     // ask for packageManager once
     const savedOptions = loadOptions()
-    if (!savedOptions.packageManager && hasYarn()) {
+    if (!savedOptions.packageManager && (hasYarn() || hasPnpm())) {
+      const packageManagerChoices = []
+
+      if (hasYarn()) {
+        packageManagerChoices.push({
+          name: 'Use Yarn',
+          value: 'yarn',
+          short: 'Yarn'
+        })
+      }
+
+      if (hasPnpm()) {
+        packageManagerChoices.push({
+          name: 'Use PNPM',
+          value: 'pnpm',
+          short: 'PNPM'
+        })
+      }
+
+      packageManagerChoices.push({
+        name: 'Use NPM',
+        value: 'npm',
+        short: 'NPM'
+      })
+
       outroPrompts.push({
         name: 'packageManager',
         type: 'list',
         message: 'Pick the package manager to use when installing dependencies:',
-        choices: [
-          {
-            name: 'Use Yarn',
-            value: 'yarn',
-            short: 'Yarn'
-          },
-          {
-            name: 'Use NPM',
-            value: 'npm',
-            short: 'NPM'
-          }
-        ]
+        choices: packageManagerChoices
       })
     }
 

packages/@vue/cli/lib/add.js

@@ -6,6 +6,7 @@ const {
   log,
   error,
   hasProjectYarn,
+  hasPnpm,
   resolvePluginId,
   resolveModule,
   loadModule
@@ -26,7 +27,7 @@ async function add (pluginName, options = {}, context = process.cwd()) {
   log(`📦  Installing ${chalk.cyan(packageName)}...`)
   log()
 
-  const packageManager = loadOptions().packageManager || (hasProjectYarn(context) ? 'yarn' : 'npm')
+  const packageManager = loadOptions().packageManager || (hasProjectYarn(context) ? 'yarn' : hasPnpm() ? 'pnpm' : 'npm')
   await installPackage(context, packageManager, options.registry, packageName)
 
   log(`${chalk.green('✔')}  Successfully installed plugin: ${chalk.cyan(packageName)}`)

packages/@vue/cli/lib/invoke.js

@@ -14,6 +14,7 @@ const {
   error,
   hasProjectYarn,
   hasProjectGit,
+  hasPnpm,
   logWithSpinner,
   stopSpinner,
   resolvePluginId,
@@ -138,7 +139,7 @@ async function runGenerator (context, plugin, pkg = getPkg(context)) {
     log(`📦  Installing additional dependencies...`)
     log()
     const packageManager =
-      loadOptions().packageManager || (hasProjectYarn(context) ? 'yarn' : 'npm')
+      loadOptions().packageManager || (hasProjectYarn(context) ? 'yarn' : hasPnpm() ? 'pnpm' : 'npm')
     await installDeps(context, packageManager, plugin.options && plugin.options.registry)
   }
 

packages/@vue/cli/lib/options.js

@@ -22,7 +22,7 @@ const presetSchema = createSchema(joi => joi.object().keys({
 const schema = createSchema(joi => joi.object().keys({
   latestVersion: joi.string().regex(/^\d+\.\d+\.\d+$/),
   lastChecked: joi.date().timestamp(),
-  packageManager: joi.string().only(['yarn', 'npm']),
+  packageManager: joi.string().only(['yarn', 'npm', 'pnpm']),
   useTaobaoRegistry: joi.boolean(),
   presets: joi.object().pattern(/^/, presetSchema)
 }))