formik-error-focus
Version:
Scroll to the first error in your Formik form and set focus
52 lines (51 loc) • 1.39 kB
JavaScript
// src/index.tsx
import { Component } from "react";
import { connect } from "formik";
import scrollToElement from "scroll-to-element";
import flatten from "flat";
var ErrorFocus = class extends Component {
constructor() {
super(...arguments);
this.timeout = null;
}
componentDidUpdate(prevProps) {
const { isSubmitting, isValidating, errors } = prevProps.formik;
const keys = Object.keys(flatten(errors));
if (keys.length > 0 && isSubmitting && !isValidating) {
const selector = `[data-error-key="${keys[0]}"]`;
const fallbackSelector = `[name="${keys[0]}"]`;
const errorElement = document.querySelector(selector) || document.querySelector(fallbackSelector);
if (errorElement) {
const { offset, ease, duration, focusDelay, align } = this.props;
scrollToElement(errorElement, {
offset,
ease,
duration,
align
});
if (duration) {
this.timeout = setTimeout(() => errorElement.focus(), duration + focusDelay);
}
}
}
}
componentWillUnmount() {
if (this.timeout) {
clearTimeout(this.timeout);
}
}
render() {
return null;
}
};
ErrorFocus.defaultProps = {
offset: 0,
align: "top",
focusDelay: 200,
ease: "linear",
duration: 1e3
};
var src_default = connect(ErrorFocus);
export {
src_default as default
};