Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

"chunk.sortModules is not a function"

See original GitHub issue

Laravel Mix Version: 1.2.0
Node Version: 8.1.2
NPM Version: 5.2.0
OS: LMDE 2 Betsy

Description:

When running mix.sass() it seems to fail with the exception message TypeError: chunk.sortModules is not a function (stack trace below).

Steps To Reproduce:

Have a sass file and run mix.sass().

Stack trace:

advanced chunk optimization/home/user/project/node_modules/laravel-mix/node_modules/extract-text-webpack-plugin/dist/index.js:188
            chunk.sortModules();
                  ^

TypeError: chunk.sortModules is not a function
    at /home/user/project/node_modules/laravel-mix/node_modules/extract-text-webpack-plugin/dist/index.js:188:19
    at /home/user/project/node_modules/laravel-mix/node_modules/async/dist/async.js:3083:16
    at eachOfArrayLike (/home/user/project/node_modules/laravel-mix/node_modules/async/dist/async.js:1003:9)
    at eachOf (/home/user/project/node_modules/laravel-mix/node_modules/async/dist/async.js:1051:5)
    at Object.eachLimit (/home/user/project/node_modules/laravel-mix/node_modules/async/dist/async.js:3145:5)
    at Compilation.<anonymous> (/home/user/project/node_modules/laravel-mix/node_modules/extract-text-webpack-plugin/dist/index.js:184:27)
    at Compilation.applyPluginsAsyncSeries (/home/user/project/node_modules/tapable/lib/Tapable.js:142:13)
    at Compilation.seal (/home/user/project/node_modules/webpack/lib/Compilation.js:551:7)
    at Compiler.<anonymous> (/home/user/project/node_modules/webpack/lib/Compiler.js:436:15)
    at /home/user/project/node_modules/tapable/lib/Tapable.js:225:11
    at Compilation.<anonymous> (/home/user/project/node_modules/webpack/lib/Compilation.js:444:10)
    at /home/user/project/node_modules/webpack/lib/Compilation.js:420:12
    at /home/user/project/node_modules/webpack/lib/Compilation.js:332:10
    at /home/user/project/node_modules/async/lib/async.js:52:16
    at done (/home/user/project/node_modules/async/lib/async.js:246:17)
    at /home/user/project/node_modules/async/lib/async.js:44:16
    at /home/user/project/node_modules/webpack/lib/Compilation.js:332:10
    at /home/user/project/node_modules/async/lib/async.js:52:16
    at done (/home/user/project/node_modules/async/lib/async.js:246:17)
    at /home/user/project/node_modules/async/lib/async.js:44:16
    at /home/user/project/node_modules/webpack/lib/Compilation.js:332:10
    at /home/user/project/node_modules/async/lib/async.js:52:16
    at done (/home/user/project/node_modules/async/lib/async.js:246:17)
    at /home/user/project/node_modules/async/lib/async.js:44:16
    at /home/user/project/node_modules/webpack/lib/Compilation.js:332:10
    at /home/user/project/node_modules/async/lib/async.js:52:16
    at Object.async.forEachOf.async.eachOf (/home/user/project/node_modules/async/lib/async.js:236:30)
    at Object.async.forEach.async.each (/home/user/project/node_modules/async/lib/async.js:209:22)
    at Compilation.addModuleDependencies (/home/user/project/node_modules/webpack/lib/Compilation.js:192:8)
    at Compilation.processModuleDependencies (/home/user/project/node_modules/webpack/lib/Compilation.js:177:7)