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JavaScript

'use client';
import * as React from 'react';
import { useFieldControlProps_unstable } from '@fluentui/react-field';
import { getPartitionedNativeProps, mergeCallbacks, useControllableState, useTimeout, slot, useMergedRefs } from '@fluentui/react-utilities';
import { ArrowUp, ArrowDown, End, Enter, Escape, Home, PageDown, PageUp } from '@fluentui/keyboard-keys';
import { calculatePrecision, precisionRound, getBound, clamp } from '../../utils/index';
import { ChevronUp16Regular, ChevronDown16Regular } from '@fluentui/react-icons';
import { useOverrides_unstable as useOverrides } from '@fluentui/react-shared-contexts';
const DEFAULT_SPIN_DELAY_MS = 150;
const MIN_SPIN_DELAY_MS = 80;
const MAX_SPIN_TIME_MS = 1000;
// This is here to give an ease for the mouse held down case.
// Exact easing it to be defined. Once it is we'll likely
// pull this out into a util function in the SpinButton package.
const lerp = (start, end, percent)=>start + (end - start) * percent;
/**
* Create the base state required to render SpinButton without design-specific props.
*
* @param props - props from this instance of SpinButton (without appearance/size)
* @param ref - reference to root HTMLElement of SpinButton
*/ export const useSpinButtonBase_unstable = (props, ref)=>{
const nativeProps = getPartitionedNativeProps({
props,
primarySlotTagName: 'input',
excludedPropNames: [
'defaultValue',
'max',
'min',
'onChange',
'value'
]
});
const { value, displayValue, defaultValue, min, max, step = 1, stepPage = 1, precision: precisionFromProps, onChange, root, input, incrementButton, decrementButton } = props;
const precision = React.useMemo(()=>{
return precisionFromProps !== null && precisionFromProps !== void 0 ? precisionFromProps : Math.max(calculatePrecision(step), 0);
}, [
precisionFromProps,
step
]);
const [currentValue, setCurrentValue] = useControllableState({
state: value,
defaultState: defaultValue,
initialState: 0
});
const inputRef = React.useRef(null);
const isControlled = value !== undefined;
const [textValue, setTextValue] = React.useState(undefined);
const [keyboardSpinState, setKeyboardSpinState] = React.useState('rest');
const internalState = React.useRef({
value: currentValue,
spinState: 'rest',
spinTime: 0,
spinDelay: DEFAULT_SPIN_DELAY_MS,
atBound: currentValue !== null ? getBound(precisionRound(currentValue, precision), min, max) : 'none'
});
const [setStepTimeout, clearStepTimeout] = useTimeout();
const stepValue = (e, direction, startFrom)=>{
let startValue = internalState.current.value;
if (startFrom) {
const num = parseFloat(startFrom);
if (!isNaN(num)) {
startValue = num;
}
}
const val = startValue;
const dir = direction === 'up' || direction === 'upPage' ? 1 : -1;
const stepSize = direction === 'upPage' || direction === 'downPage' ? stepPage : step;
if (val === null) {
const stepStart = min === undefined ? 0 : min;
const nullStep = clamp(stepStart + stepSize * dir, min, max);
commit(e, nullStep);
return;
}
let newValue = val + stepSize * dir;
if (!Number.isNaN(newValue)) {
newValue = clamp(newValue, min, max);
}
commit(e, newValue);
if (internalState.current.spinState !== 'rest') {
setStepTimeout(()=>{
// Ease the step speed a bit
internalState.current.spinTime += internalState.current.spinDelay;
internalState.current.spinDelay = lerp(DEFAULT_SPIN_DELAY_MS, MIN_SPIN_DELAY_MS, internalState.current.spinTime / MAX_SPIN_TIME_MS);
stepValue(e, direction);
}, internalState.current.spinDelay);
}
};
const handleInputChange = (e)=>{
if (!internalState.current.previousTextValue) {
internalState.current.previousTextValue = textValue !== null && textValue !== void 0 ? textValue : String(currentValue);
}
const newValue = e.target.value;
setTextValue(newValue);
if (inputRef.current) {
// we need to set this here using the IDL attribute directly, because otherwise the timing of the ARIA value update
// is not in sync with the user-entered native input value, and some screen readers end up reading the wrong value.
// eslint-disable-next-line react-compiler/react-compiler
inputRef.current.ariaValueNow = newValue;
}
};
const handleIncrementMouseDown = (e)=>{
commit(e, currentValue, textValue);
internalState.current.spinState = 'up';
stepValue(e, 'up');
};
const handleDecrementMouseDown = (e)=>{
commit(e, currentValue, textValue);
internalState.current.spinState = 'down';
stepValue(e, 'down');
};
const handleStepMouseUpOrLeave = (e)=>{
clearStepTimeout();
internalState.current.spinState = 'rest';
internalState.current.spinDelay = DEFAULT_SPIN_DELAY_MS;
internalState.current.spinTime = 0;
};
const handleBlur = (e)=>{
commit(e, currentValue, textValue);
internalState.current.previousTextValue = undefined;
};
const handleKeyDown = (e)=>{
let nextKeyboardSpinState = 'rest';
if (e.currentTarget.readOnly) {
return;
}
if (e.key === ArrowUp) {
stepValue(e, 'up', textValue);
nextKeyboardSpinState = 'up';
} else if (e.key === ArrowDown) {
stepValue(e, 'down', textValue);
nextKeyboardSpinState = 'down';
} else if (e.key === PageUp) {
e.preventDefault();
stepValue(e, 'upPage', textValue);
nextKeyboardSpinState = 'up';
} else if (e.key === PageDown) {
e.preventDefault();
stepValue(e, 'downPage', textValue);
nextKeyboardSpinState = 'down';
} else if (!e.shiftKey && e.key === Home && min !== undefined) {
commit(e, min);
nextKeyboardSpinState = 'down';
} else if (!e.shiftKey && e.key === End && max !== undefined) {
commit(e, max);
nextKeyboardSpinState = 'up';
} else if (e.key === Enter) {
commit(e, currentValue, textValue);
internalState.current.previousTextValue = undefined;
} else if (e.key === Escape) {
if (internalState.current.previousTextValue) {
setTextValue(undefined);
internalState.current.previousTextValue = undefined;
}
}
if (keyboardSpinState !== nextKeyboardSpinState) {
setKeyboardSpinState(nextKeyboardSpinState);
}
};
const handleKeyUp = (e)=>{
if (keyboardSpinState !== 'rest') {
setKeyboardSpinState('rest');
internalState.current.spinState = 'rest';
}
};
const commit = (e, newValue, newDisplayValue)=>{
const valueChanged = newValue !== undefined && currentValue !== newValue;
const displayValueChanged = newDisplayValue !== undefined && internalState.current.previousTextValue !== undefined && internalState.current.previousTextValue !== newDisplayValue;
let roundedValue;
if (valueChanged) {
roundedValue = precisionRound(newValue, precision);
setCurrentValue(roundedValue);
internalState.current.value = roundedValue;
} else if (displayValueChanged && !isControlled) {
const nextValue = parseFloat(newDisplayValue);
if (!isNaN(nextValue)) {
setCurrentValue(precisionRound(nextValue, precision));
internalState.current.value = precisionRound(nextValue, precision);
}
}
if (valueChanged || displayValueChanged) {
onChange === null || onChange === void 0 ? void 0 : onChange(e, {
value: roundedValue,
displayValue: newDisplayValue
});
}
setTextValue(undefined);
};
let valueToDisplay;
if (textValue !== undefined) {
valueToDisplay = textValue;
} else if (value === null || currentValue === null) {
valueToDisplay = displayValue !== null && displayValue !== void 0 ? displayValue : '';
internalState.current.value = null;
internalState.current.atBound = 'none';
} else {
const roundedValue = precisionRound(currentValue, precision);
internalState.current.value = roundedValue;
internalState.current.atBound = getBound(roundedValue, min, max);
if (isControlled) {
valueToDisplay = displayValue !== null && displayValue !== void 0 ? displayValue : String(roundedValue);
} else {
valueToDisplay = String(roundedValue);
}
}
const state = {
spinState: keyboardSpinState,
atBound: internalState.current.atBound,
components: {
root: 'span',
input: 'input',
incrementButton: 'button',
decrementButton: 'button'
},
root: slot.always(root, {
defaultProps: nativeProps.root,
elementType: 'span'
}),
input: slot.always(input, {
defaultProps: {
autoComplete: 'off',
role: 'spinbutton',
type: 'text',
...nativeProps.primary
},
elementType: 'input'
}),
incrementButton: slot.always(incrementButton, {
defaultProps: {
tabIndex: -1,
disabled: nativeProps.primary.readOnly || nativeProps.primary.disabled || internalState.current.atBound === 'max' || internalState.current.atBound === 'both',
'aria-label': 'Increment value',
type: 'button'
},
elementType: 'button'
}),
decrementButton: slot.always(decrementButton, {
defaultProps: {
tabIndex: -1,
disabled: nativeProps.primary.readOnly || nativeProps.primary.disabled || internalState.current.atBound === 'min' || internalState.current.atBound === 'both',
'aria-label': 'Decrement value',
type: 'button'
},
elementType: 'button'
})
};
state.input.value = valueToDisplay;
state.input.ref = useMergedRefs(inputRef, ref);
state.input['aria-valuemin'] = min;
state.input['aria-valuemax'] = max;
var _internalState_current_value;
state.input['aria-valuenow'] = (_internalState_current_value = internalState.current.value) !== null && _internalState_current_value !== void 0 ? _internalState_current_value : undefined;
var _state_input_ariavaluetext;
state.input['aria-valuetext'] = (_state_input_ariavaluetext = state.input['aria-valuetext']) !== null && _state_input_ariavaluetext !== void 0 ? _state_input_ariavaluetext : value !== undefined && displayValue || undefined;
state.input.onChange = mergeCallbacks(state.input.onChange, handleInputChange);
state.input.onInput = mergeCallbacks(state.input.onInput, handleInputChange);
state.input.onBlur = mergeCallbacks(state.input.onBlur, handleBlur);
state.input.onKeyDown = mergeCallbacks(state.input.onKeyDown, handleKeyDown);
state.input.onKeyUp = mergeCallbacks(state.input.onKeyUp, handleKeyUp);
state.incrementButton.onMouseDown = mergeCallbacks(handleIncrementMouseDown, state.incrementButton.onMouseDown);
state.incrementButton.onMouseUp = mergeCallbacks(state.incrementButton.onMouseUp, handleStepMouseUpOrLeave);
state.incrementButton.onMouseLeave = mergeCallbacks(state.incrementButton.onMouseLeave, handleStepMouseUpOrLeave);
state.decrementButton.onMouseDown = mergeCallbacks(handleDecrementMouseDown, state.decrementButton.onMouseDown);
state.decrementButton.onMouseUp = mergeCallbacks(state.decrementButton.onMouseUp, handleStepMouseUpOrLeave);
state.decrementButton.onMouseLeave = mergeCallbacks(state.decrementButton.onMouseLeave, handleStepMouseUpOrLeave);
return state;
};
/**
* Create the state required to render SpinButton.
*
* The returned state can be modified with hooks such as useSpinButtonStyles_unstable,
* before being passed to renderSpinButton_unstable.
*
* @param props - props from this instance of SpinButton
* @param ref - reference to root HTMLElement of SpinButton
*/ export const useSpinButton_unstable = (props, ref)=>{
var _state_incrementButton, _state_decrementButton;
// Merge props from surrounding <Field>, if any
props = useFieldControlProps_unstable(props, {
supportsLabelFor: true,
supportsRequired: true
});
const overrides = useOverrides();
var _overrides_inputDefaultAppearance;
const { appearance = (_overrides_inputDefaultAppearance = overrides.inputDefaultAppearance) !== null && _overrides_inputDefaultAppearance !== void 0 ? _overrides_inputDefaultAppearance : 'outline', size = 'medium', ...baseProps } = props;
const state = useSpinButtonBase_unstable(baseProps, ref);
var _children;
(_children = (_state_incrementButton = state.incrementButton).children) !== null && _children !== void 0 ? _children : _state_incrementButton.children = /*#__PURE__*/ React.createElement(ChevronUp16Regular, null);
var _children1;
(_children1 = (_state_decrementButton = state.decrementButton).children) !== null && _children1 !== void 0 ? _children1 : _state_decrementButton.children = /*#__PURE__*/ React.createElement(ChevronDown16Regular, null);
return {
...state,
appearance,
size
};
};