Error when building electron: TypeError: bundler is not a function

Describe the bug Electron building has failed, whether it is with packager or builder. And there is no problem with building SPA.

To Reproduce Steps to reproduce the behavior:

1. Create a new project and build

quasar create <project>
quasar mode add electron
quasar build -m electron

Platform (please complete the following information): OS: MacOS 14.5 Node: 10.16.3 NPM: 6.11.3 Electron: 5.0.11

Error Stack

• packager

(node:9563) UnhandledPromiseRejectionWarning:   TypeError: bundler is not a function
  
  - index.js:115 Promise
    [myproject]/[@quasar]/app/lib/electron/index.js:115:13
  
  - new Promise
  
  - index.js:110 Promise.then.then
    [myproject]/[@quasar]/app/lib/electron/index.js:110:14
  
  - next_tick.js:68 process._tickCallback
    internal/process/next_tick.js:68:7
  

(node:9563) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
(node:9563) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

• builder

(node:11925) UnhandledPromiseRejectionWarning:   TypeError: Cannot read property 'build' of null
  
  - index.js:119 Promise
    [myproject]/[@quasar]/app/lib/electron/index.js:119:21
  
  - new Promise
  
  - index.js:110 Promise.then.then
    [myproject]/[@quasar]/app/lib/electron/index.js:110:14
  
  - next_tick.js:68 process._tickCallback
    internal/process/next_tick.js:68:7
  

(node:11925) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
(node:11925) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

And here is the content of [@quasar]/app/lib/electron/index.js

starting from 103 to 136

    }).then(() => {
      const
        bundlerName = cfg.electron.bundler,
        bundlerConfig = cfg.electron[bundlerName],
        bundler = require('./bundler').getBundler(bundlerName),
        pkgName = `electron-${bundlerName}`

      return new Promise((resolve, reject) => {
        log(`Bundling app with electron-${bundlerName}...`)
        log()

        const bundlePromise = bundlerName === 'packager'
          ? bundler({
            ...bundlerConfig,
            electronVersion: getPackageJson('electron').version
          })
          : bundler.build(bundlerConfig)

        bundlePromise
          .then(() => {
            log()
            log(`[SUCCESS] ${pkgName} built the app`)
            log()
            resolve()
          })
          .catch(err => {
            log()
            warn(`⚠️  [FAIL] ${pkgName} could not build`)
            log()
            console.error(err + '\n')
            reject()
          })
      })
    })

[pdanpdan]

Are you using npm or yarn to install local packages?

Can you try removing node_modules and do a yarn again?

[thomhickey]

All I had to do was re-run the build, worked second time.