ErrLookup › preactjs/preact

preactjs/preact

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM. · JavaScript · 110 source files

Analyzed at e881e7e838 on 2026-08-13. 10 documented errors.

Code / MessageTypeSeverityTags
Objects are not valid as a child. Encountered an object…
exception error preact, children, object-child, jsx, debug-build
Hook can only be invoked from render methods.
exception critical preact, hooks, rules-of-hooks, usestate, useeffect, debug-build
Invalid type passed to createElement()
exception critical preact, createelement, jsx, vnode, debug-build
Expected a valid HTML node as a second argument to…
exception critical preact, render, dom, node-type, debug-build
Too many re-renders. This is limited to prevent an infinite…
exception critical preact, rerender, setstate, useeffect, infinite-loop, debug-build
Undefined component passed to createElement() You likely…
exception critical preact, createelement, import, export, jsx, debug-build
Component's " " property should be a function, but got [ ]…
exception error preact, event-handler, props, on-props, debug-build
Invalid type passed to createElement()
exception critical preact, createelement, vnode-type, object, debug-build
Component's "ref" property should be a function, or an…
exception error preact, ref, createref, compat, debug-build
Undefined parent passed to render(), this is the second…
exception critical preact, render, dom, mount, debug-build