New rule: identify missing PropType definition · jsx-eslint/eslint-plugin-react#1887

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help wantednew rule

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I accidentally forgot to add the PropTypes assignment to a prop and this was not picked up by eslint:

const propTypes = {
    actions: {
        something: PropTypes.func.isRequired,
    }.isRequired,
};

should have been

const propTypes = {
    actions: PropTypes.shape({
        something: PropTypes.func.isRequired,
    }).isRequired,
};

Research direction: Study existing ESLint rules for PropTypes in eslint plugin react, particularly the way they detect shape shapes. Look at rule implementation patterns and the AST structure for PropTypes assignments. Understand how to traverse JSX and variable declarations to find missing PropTypes.shape wrapping.
Tech stack: javascriptreact
Domain: frontend
Issue type: Feature
Difficulty: 2
Estimated time: Half day
Activity status: Active
Clarity: Mostly clear
Prerequisites: ESLintReactPropTypes
Newbie friendliness: 60