I'm assuming you're not using router dom, on parent component or the component you want to redirect use state like {renderPost:false} initially,then use method to toggle the state which renders post component , in post component pass a function as prop which makes {renderPost :false} in parent component, so whenever you want to redirect you can use method from props like this.props.Redirect()
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I'm assuming you're not using router dom, on parent component or the component you want to redirect use state like {renderPost:false} initially,then use method to toggle the state which renders post component , in post component pass a function as prop which makes {renderPost :false} in parent component, so whenever you want to redirect you can use method from props like this.props.Redirect()