'use client'; import * as React from 'react'; import { useFieldControlProps_unstable } from '@fluentui/react-field'; import { getPartitionedNativeProps, useControllableState, mergeCallbacks, useId, useIsomorphicLayoutEffect, useMergedRefs, slot } from '@fluentui/react-utilities'; import { Checkmark12Filled, Checkmark16Filled, Square12Filled, Square16Filled, CircleFilled } from '@fluentui/react-icons'; import { Label } from '@fluentui/react-label'; import { useFocusWithin } from '@fluentui/react-tabster'; /** * Create the state required to render Checkbox. * * The returned state can be modified with hooks such as useCheckboxStyles_unstable, * before being passed to renderCheckbox_unstable. * * @param props - props from this instance of Checkbox * @param ref - reference to `` element of Checkbox */ export const useCheckbox_unstable = (props, ref)=>{ 'use no memo'; // Merge props from surrounding , if any props = useFieldControlProps_unstable(props, { supportsLabelFor: true, supportsRequired: true }); const { shape = 'square', size = 'medium', ...checkboxProps } = props; const state = useCheckboxBase_unstable(checkboxProps, ref); // Override indicator children with size+shape-appropriate icon const mixed = state.checked === 'mixed'; let checkmarkIcon; if (mixed) { if (shape === 'circular') { checkmarkIcon = /*#__PURE__*/ React.createElement(CircleFilled, null); } else { checkmarkIcon = size === 'large' ? /*#__PURE__*/ React.createElement(Square16Filled, null) : /*#__PURE__*/ React.createElement(Square12Filled, null); } } else if (state.checked) { checkmarkIcon = size === 'large' ? /*#__PURE__*/ React.createElement(Checkmark16Filled, null) : /*#__PURE__*/ React.createElement(Checkmark12Filled, null); } if (state.indicator) { var _state_indicator; var _children; (_children = (_state_indicator = state.indicator).children) !== null && _children !== void 0 ? _children : _state_indicator.children = checkmarkIcon; } return { shape, size, ...state, components: { // eslint-disable-next-line @typescript-eslint/no-deprecated ...state.components, label: Label }, label: slot.optional(props.label, { defaultProps: { ...state.label, size: 'medium' }, elementType: Label }) }; }; /** * Base hook for Checkbox component, which manages state related to checked state, ARIA attributes, * focus management, and slot structure without design props. * * @param props - props from this instance of Checkbox * @param ref - reference to `` element of Checkbox */ export const useCheckboxBase_unstable = (props, ref)=>{ 'use no memo'; const { disabled = false, required, labelPosition = 'after', onChange } = props; const [checked, setChecked] = useControllableState({ defaultState: props.defaultChecked, state: props.checked, initialState: false }); const nativeProps = getPartitionedNativeProps({ props, primarySlotTagName: 'input', excludedPropNames: [ 'checked', 'defaultChecked', 'onChange' ] }); const mixed = checked === 'mixed'; const id = useId('checkbox-', nativeProps.primary.id); const state = { checked, disabled, labelPosition, components: { root: 'span', input: 'input', indicator: 'div', label: 'label' }, root: slot.always(props.root, { defaultProps: { ref: useFocusWithin(), ...nativeProps.root }, elementType: 'span' }), input: slot.always(props.input, { defaultProps: { type: 'checkbox', id, ref, checked: checked === true, ...nativeProps.primary }, elementType: 'input' }), label: slot.optional(props.label, { defaultProps: { htmlFor: id, disabled, required }, elementType: 'label' }), indicator: slot.optional(props.indicator, { renderByDefault: true, defaultProps: { 'aria-hidden': true }, elementType: 'div' }) }; state.input.onChange = mergeCallbacks(state.input.onChange, (ev)=>{ const val = ev.currentTarget.indeterminate ? 'mixed' : ev.currentTarget.checked; onChange === null || onChange === void 0 ? void 0 : onChange(ev, { checked: val }); setChecked(val); }); // Create a ref object for the input element so we can use it to set the indeterminate prop. // Use useMergedRefs, since the ref might be undefined or a function-ref (no .current) const inputRef = useMergedRefs(state.input.ref); state.input.ref = inputRef; // Set the element's checked and indeterminate properties based on our tri-state property. // Since indeterminate can only be set via javascript, it has to be done in a layout effect. useIsomorphicLayoutEffect(()=>{ if (inputRef.current) { inputRef.current.indeterminate = mixed; } }, [ inputRef, mixed ]); return state; };