* fix: Fix errors under strict compilation.
* fix: Fix tests that referenced properties converted to data attributes.
* fix: Incorporate feedback on resolving compiler errors.
* refactor: Revert changes to skew and translate attributes.
* refactor: Introduce LegacyContextMenuOption type to correspond to documented fields.
* refactor: Introduce PathLeftShape and PathDownShape vs casting to PuzzleTab/Notch.
* chore: Added nullability modifiers to type annotations.
* refactor: Export FlyoutItem directly.
* chore: clang-format renderers/zelos/drawer.js.
* chore: move remaining function definitions out of blockly.js
* chore: record renamings
* chore: add aliases to moved function jsdoc
* chore: add deprecation warnings in blockly.js
* chore: fix bad merge
* chore: move functions in response to PR comments
* chore: move isNumber to utils.string
* chore: move functions from utils to more specific files
* chore: use new names for utils functions
* chore: run clang-format
* chore: add deprecation warnings back to utils.js