How to fix Laravel-mix error on initial 'npm run dev': "SyntaxError: Unexpected token ="?

Question

My initial npm run dev (or watch or production) after a clean install of Laravel is being prematurely interrupted by a SyntaxError: Unexpected token = error message:

$ npm run dev

#@ watch /home/{...}/www-teste

   mix watch

[webpack-cli]
/home/{...}/www-teste/node_modules/laravel-mix/src/Mix.js:18
    static _primary = null;
                    ^

SyntaxError: Unexpected token =
    at new Script (vm.js:83:7)
    at NativeCompileCache._moduleCompile (/home/{...}/www-teste/node_modules/v8-compile-       
cache/v8-compile-cache.js:240:18)
    at Module._compile (/home/{...}/www-teste/node_modules/v8-compile-cache/v8-compile-   
cache.js:184:36)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (/home/{...}/www-teste/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
    at module.exports (/home/{...}/www-teste/node_modules/laravel-mix/setup/webpack.config.js:2:17)

Steps To Reproduce:

laravel new www-teste (with or without --dev)
cd www-teste
npm install
npm run {dev|watch|production}

Software versions:

Laravel Mix Version: 6.0.10 (npm list --depth=0)
Node Version (node -v): 6.0.10
NPM Version (npm -v): 6.0.10
OS: Ubuntu 20.04.1 LTS

How can I install a clean version of Laravel and enable Laravel-mix?

I would definitely imagine this is down to your node version. Node 6 hit EOL April 2019 github.com/nodejs/Release. — Rwd
– Rwd, Commented Jan 21, 2021 at 13:30

karimlema · Accepted Answer · 2021-02-01 11:09:32Z

1

I also had problems lately with Laravel-mix in Ubuntu and I solved it by updating the NodeJS version.

Here are the commands to update NodeJS to the latest version 13.x in Ubuntu:

curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install -y nodejs
npm install & npm run dev

edited Feb 1, 2021 at 11:09

answered Jan 21, 2021 at 10:04

karimlema

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