/** * Find the closest error boundary to a thrown error and call it * @param {object} error The thrown value * @param {VNode} vnode The vnode that threw the error that was caught (except * for unmounting when this parameter is the highest parent that was being * unmounted) * @param {VNode} [oldVNode] * @param {ErrorInfo} [errorInfo] */ export function _catchError(error, vnode, oldVNode, errorInfo) { /** @type {Component} */ let component, /** @type {ComponentType} */ ctor, /** @type {boolean} */ handled; for (; (vnode = vnode._parent); ) { if ((component = vnode._component) && !component._processingException) { try { ctor = component.constructor; if (ctor && ctor.getDerivedStateFromError != null) { component.setState(ctor.getDerivedStateFromError(error)); handled = component._dirty; } if (component.componentDidCatch != null) { component.componentDidCatch(error, errorInfo || {}); handled = component._dirty; } // This is an error boundary. Mark it as having bailed out, and whether it was mid-hydration. if (handled) { return (component._pendingError = component); } } catch (e) { error = e; } } } throw error; }