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import { useMemo } from 'react';
import useGetSet from './useGetSet';
import { IHookStateInitAction, IHookStateSetAction, resolveHookState } from './misc/hookState';
export interface CounterActions {
inc: (delta?: number) => void;
dec: (delta?: number) => void;
get: () => number;
set: (value: IHookStateSetAction<number>) => void;
reset: (value?: IHookStateSetAction<number>) => void;
}
export default function useCounter(
initialValue: IHookStateInitAction<number> = 0,
max: number | null = null,
min: number | null = null
): [number, CounterActions] {
let init = resolveHookState(initialValue);
typeof init !== 'number' &&
console.error('initialValue has to be a number, got ' + typeof initialValue);
if (typeof min === 'number') {
init = Math.max(init, min);
} else if (min !== null) {
console.error('min has to be a number, got ' + typeof min);
}
if (typeof max === 'number') {
init = Math.min(init, max);
} else if (max !== null) {
console.error('max has to be a number, got ' + typeof max);
}
const [get, setInternal] = useGetSet(init);
return [
get(),
useMemo(() => {
const set = (newState: IHookStateSetAction<number>) => {
const prevState = get();
let rState = resolveHookState(newState, prevState);
if (prevState !== rState) {
if (typeof min === 'number') {
rState = Math.max(rState, min);
}
if (typeof max === 'number') {
rState = Math.min(rState, max);
}
prevState !== rState && setInternal(rState);
}
};
return {
get,
set,
inc: (delta: IHookStateSetAction<number> = 1) => {
const rDelta = resolveHookState(delta, get());
if (typeof rDelta !== 'number') {
console.error(
'delta has to be a number or function returning a number, got ' + typeof rDelta
);
}
set((num: number) => num + rDelta);
},
dec: (delta: IHookStateSetAction<number> = 1) => {
const rDelta = resolveHookState(delta, get());
if (typeof rDelta !== 'number') {
console.error(
'delta has to be a number or function returning a number, got ' + typeof rDelta
);
}
set((num: number) => num - rDelta);
},
reset: (value: IHookStateSetAction<number> = init) => {
const rValue = resolveHookState(value, get());
if (typeof rValue !== 'number') {
console.error(
'value has to be a number or function returning a number, got ' + typeof rValue
);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
init = rValue;
set(rValue);
},
};
}, [init, min, max]),
];
}
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