preact
Version:
Fast 3kb React-compatible Virtual DOM library.
47 lines (40 loc) • 1.37 kB
JavaScript
import { NULL } from '../constants';
/**
* Find the closest error boundary to a thrown error and call it
* @param {object} error The thrown value
* @param {import('../internal').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 {import('../internal').VNode} [oldVNode]
* @param {import('../internal').ErrorInfo} [errorInfo]
*/
export function _catchError(error, vnode, oldVNode, errorInfo) {
/** @type {import('../internal').Component} */
let component,
/** @type {import('../internal').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;
}