Parcel: scopeHoist:true throws error

[stevenvachon]

🐛 bug report

🎛 Configuration (.babelrc, package.json, cli command)

const options =
{
    autoInstall: false,
    contentHash: false,
    hmr: reload,
    logLevel: 1,
    outDir: `${__dirname}/../build`,
    publicUrl: './',
    scopeHoist: true,
    sourceMaps: debug,
    watch
};

🤔 Expected Behavior

Shouldn't throw an error.

😯 Current Behavior

Cannot read property 'length' of undefined
    at JSConcatPackager.addAsset (/project/node_modules/parcel-bundler/src/packagers/JSConcatPackager.js:184:21)
    at Bundle._addDeps (/project/node_modules/parcel-bundler/src/Bundle.js:250:20)
    at Bundle._package (/project/node_modules/parcel-bundler/src/Bundle.js:219:18)
    at async Promise.all (index 0)
    at async Bundle.package (/project/node_modules/parcel-bundler/src/Bundle.js:202:5)
    at async Promise.all (index 1)
    at async Bundle.package (/project/node_modules/parcel-bundler/src/Bundle.js:202:5)
    at async Bundler.bundle (/project/node_modules/parcel-bundler/src/Bundler.js:325:27)
(node:48797) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'length' of undefined
    at JSConcatPackager.addAsset (/project/node_modules/parcel-bundler/src/packagers/JSConcatPackager.js:184:21)
    at Bundle._addDeps (/project/node_modules/parcel-bundler/src/Bundle.js:250:20)
    at Bundle._package (/project/node_modules/parcel-bundler/src/Bundle.js:219:18)
    at async Promise.all (index 0)
    at async Bundle.package (/project/node_modules/parcel-bundler/src/Bundle.js:202:5)
    at async Promise.all (index 1)
    at async Bundle.package (/project/node_modules/parcel-bundler/src/Bundle.js:202:5)
    at async Bundler.bundle (/project/node_modules/parcel-bundler/src/Bundler.js:325:27)

💁 Possible Solution

set scropeHoist to false.

🔦 Context

💻 Code Sample

🌍 Your Environment

| Software | Version(s) |
| ---------------- | ---------- |
| Parcel |1.12.3
| Node |12.8.0
| npm/Yarn |6.10.2
| Operating System |macOS 10.14.6

[github-actions[bot]]

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[Anton-4]

Same issue with:
Parcel 1.12.4
Node 12.17.0
npm 6.14.5
OS Ubuntu 18.04

[DeMoorJasper]

@Anton-4 does this still occur with Parcel 2, if it does please open a new issue as this issue is quite old and nobody ever really provided a reproducable or anything we can use to debug this.