refactor: (slightly) decentralize type checking

[ojeytonwilliams]

I've also made a start on making the helper scripts esm, but it's still a WIP

Checklist:

• I have read and followed the contribution guidelines.
• I have read and followed the how to open a pull request guide.
• My pull request targets the main branch of freeCodeCamp.
• I have tested these changes either locally on my machine, or GitHub Codespaces.

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​types/​gatsbyjs__reach-router@​1.3.0
	@​types/​react-responsive@​8.0.8
	@​types/​glob@​8.1.0
	@​types/​sanitize-html@​2.16.0
	@​types/​loadable__component@​5.13.8
	@​types/​react-helmet@​6.1.11
	@​types/​react-test-renderer@​16.9.12
	@​types/​polka@​0.5.7
	@​types/​copy-webpack-plugin@​8.0.1
	@​types/​express@​4.17.21
	@​types/​react-scroll@​1.8.10
	@​babel/​preset-react@​7.23.3
	@​types/​js-yaml@​4.0.5
	@​types/​redux-actions@​2.6.5
	@​types/​canvas-confetti@​1.9.0
	@​types/​jsonwebtoken@​9.0.5
	@​total-typescript/​ts-reset@​0.6.1
	@​types/​node-fetch@​2.6.12
	@​total-typescript/​ts-reset@​0.5.1
	@​types/​react-transition-group@​4.4.10
	@​types/​react-dom@​17.0.19
	@​types/​react-redux@​7.1.33
	@​types/​testing-library__jest-dom@​5.14.9
	@​babel/​register@​7.23.7
	@​codesandbox/​sandpack-themes@​2.0.21
	@​loadable/​component@​5.16.3
	@​types/​nodemailer@​6.4.14
	@​redux-saga/​core@​1.3.0
	@​types/​lodash-es@​4.17.12
	@​types/​inquirer@​8.2.11
	@​types/​validator@​13.11.2
	@​types/​codemirror@​5.60.15
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[socket-security]

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Review the following alerts detected in dependencies.

According to your organization's Security Policy, it is recommended to resolve "Warn" alerts. Learn more about Socket for GitHub.

Action	Severity	Alert  (click "▶" to expand/collapse)
Warn		Critical CVE: Babel vulnerable to arbitrary code execution when compiling specifically crafted malicious code in npm @babel/traverse CVE: GHSA-67hx-6x53-jw92 Babel vulnerable to arbitrary code execution when compiling specifically crafted malicious code (CRITICAL) Affected versions: < 7.23.2; >= 8.0.0-alpha.0 < 8.0.0-alpha.4 Patched version: 7.23.2 From: pnpm-lock.yaml → npm/@babel/traverse@7.23.0 ℹ Read more on: This package | This alert | What is a critical CVE? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Remove or replace dependencies that include known critical CVEs. Consumers can use dependency overrides or npm audit fix --force to remove vulnerable dependencies. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/@babel/traverse@7.23.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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[ojeytonwilliams]

By the way, I have no idea why we used bson-objectid rather than bson, but the former doesn't seem to be terribly well maintained.