Missing tslint-microsoft-contrib converter: no-function-expression

[JoshuaKGoldberg]

💥 Missing Converter

• tslint-to-eslint-config version: 2.0.1
• typescript-eslint version: 4.9.1

TSLint Rule Name

no-function-expression

Per https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/ROADMAP.md, the equivalent rule is now func-style.

Package Source

https://github.com/microsoft/tslint-microsoft-contrib

[JoshuaKGoldberg]

This one is a little more complex. Between func-style, prefer-arrow-callback, and https://www.npmjs.com/package/eslint-plugin-prefer-arrow, it's not clear that there's an exact equivalent.