83 lines
2.7 KiB
JavaScript
83 lines
2.7 KiB
JavaScript
import * as React from 'react';
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import { getIntrinsicElementProps, useId, useTimeout, slot } from '@fluentui/react-utilities';
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import { Label } from '@fluentui/react-label';
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import { useSpinnerContext } from '../../contexts/SpinnerContext';
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/**
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* Create the state required to render Spinner.
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*
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* The returned state can be modified with hooks such as useSpinnerStyles_unstable,
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* before being passed to renderSpinner_unstable.
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*
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* @param props - props from this instance of Spinner
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* @param ref - reference to root HTMLElement of Spinner
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*/ export const useSpinner_unstable = (props, ref)=>{
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// Props
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const { size: contextSize } = useSpinnerContext();
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const { appearance = 'primary', labelPosition = 'after', size = contextSize !== null && contextSize !== void 0 ? contextSize : 'medium', delay = 0 } = props;
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const baseId = useId('spinner');
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const { role = 'progressbar', ...rest } = props;
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const nativeRoot = slot.always(getIntrinsicElementProps('div', {
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// FIXME:
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// `ref` is wrongly assigned to be `HTMLElement` instead of `HTMLDivElement`
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// but since it would be a breaking change to fix it, we are casting ref to it's proper type
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ref: ref,
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role,
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...rest
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}, [
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'size'
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]), {
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elementType: 'div'
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});
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const [isShownAfterDelay, setIsShownAfterDelay] = React.useState(false);
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const [setDelayTimeout, clearDelayTimeout] = useTimeout();
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React.useEffect(()=>{
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if (delay <= 0) {
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return;
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}
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setDelayTimeout(()=>{
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setIsShownAfterDelay(true);
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}, delay);
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return ()=>{
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clearDelayTimeout();
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};
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}, [
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setDelayTimeout,
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clearDelayTimeout,
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delay
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]);
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const labelShorthand = slot.optional(props.label, {
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defaultProps: {
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id: baseId
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},
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renderByDefault: false,
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elementType: Label
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});
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const spinnerShortHand = slot.optional(props.spinner, {
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renderByDefault: true,
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elementType: 'span'
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});
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if (labelShorthand && nativeRoot && !nativeRoot['aria-labelledby']) {
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nativeRoot['aria-labelledby'] = labelShorthand.id;
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}
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const state = {
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appearance,
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delay,
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labelPosition,
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size,
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shouldRenderSpinner: !delay || isShownAfterDelay,
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components: {
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root: 'div',
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spinner: 'span',
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spinnerTail: 'span',
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label: Label
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},
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root: nativeRoot,
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spinner: spinnerShortHand,
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spinnerTail: slot.always(props.spinnerTail, {
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elementType: 'span'
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}),
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label: labelShorthand
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};
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return state;
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};
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