pnpm error upon fresh install in embroider app

[rreckonerr]

The error is "Cannot find module ...", if you add the missing module there's another "missing" one and another one and another one ...

❯ ember s
Building into /private/var/folders/k0/b1p9d5g94px8gdr10458gv0m0000gn/T/embroider/96cc9c
Build Error (broccoli-persistent-filter:Babel > [Babel: ember-table]) in ember-table/ember-table/-private/collapse-tree.js

Cannot find module '@babel/plugin-proposal-object-rest-spread'
Require stack:
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/index.js
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/index.js
- /app-root/node_modules/.pnpm/[email protected]/node_modules/broccoli-babel-transpiler/lib/worker.jsError: Cannot find module '@babel/plugin-proposal-object-rest-spread'
Require stack:
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/index.js
- /app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/index.js
- /app-root/node_modules/.pnpm/[email protected]/node_modules/broccoli-babel-transpiler/lib/worker.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:902:15)
    at resolve (internal/modules/cjs/helpers.js:107:19)
    at tryRequireResolve (/app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js:157:9)
    at resolveStandardizedNameForRequire (/app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js:195:19)
    at sync (/app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js:224:12)
    at sync (/app-root/node_modules/.pnpm/[email protected]/node_modules/gensync/index.js:182:19)
    at /app-root/node_modules/.pnpm/[email protected]/node_modules/gensync/index.js:210:24
    at Generator.next (<anonymous>)
    at resolvePlugin (/app-root/node_modules/.pnpm/@[email protected]/node_modules/@babel/core/lib/config/files/plugins.js:83:17)
    at resolvePlugin.next (<anonymous>)


Stack Trace and Error Report: /var/folders/k0/b1p9d5g94px8gdr10458gv0m0000gn/T/error.dump.8c92aeb46d1be7e57b69153a731964ac.log

Steps to reproduce

1. ember init -sn -sb -sg --no-welcome --embroider
2. pnpm install
3. Confirm no build error ember s
4. ember install ember-table
5. See the build error ember s

Environment

❯ ember --version && pnpm --version && node --version
ember-cli: 4.6.0
node: 14.19.1
os: darwin x64
7.9.4
v14.19.1

[rreckonerr]

If you're looking for a workaround, create a .npmrc file with this content:

public-hoist-pattern[]=*eslint*
public-hoist-pattern[]=*prettier*
public-hoist-pattern[]=@babel/*

https://stackoverflow.com/questions/73637664/pnpm-error-upon-fresh-install-in-embroider-app?noredirect=1#comment130084949_73637664

[RobbieTheWagner]

I just hit this too. I wonder why the babel plugins are even needed for this addon? Optional chaining has been around a long time now, for example.