@ifed/hook
Version:
117 lines • 7.37 kB
JavaScript
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { useCallback, useEffect, useRef, useState } from 'react';
import easing from "./easingFunctions";
var useAnimateNumber = function useAnimateNumber(_ref) {
var _String$split, _String$split$;
var _ref$number = _ref.number,
number = _ref$number === void 0 ? 0 : _ref$number,
_ref$durationInMs = _ref.durationInMs,
durationInMs = _ref$durationInMs === void 0 ? 4000 : _ref$durationInMs,
_ref$easingFunctionNa = _ref.easingFunctionName,
easingFunctionName = _ref$easingFunctionNa === void 0 ? 'easeOutExpo' : _ref$easingFunctionNa,
_ref$setInitialValue = _ref.setInitialValue,
setInitialValue = _ref$setInitialValue === void 0 ? false : _ref$setInitialValue;
var decimalPlaces = ((_String$split = String(number).split('.')) === null || _String$split === void 0 ? void 0 : (_String$split$ = _String$split[1]) === null || _String$split$ === void 0 ? void 0 : _String$split$.length) || 0;
var _useState = useState({
currentNumber: 0,
originalNumber: setInitialValue ? number : 0,
step: 0,
isGoingUp: false,
isAnimating: false
}),
_useState2 = _slicedToArray(_useState, 2),
data = _useState2[0],
setData = _useState2[1];
var requestRef = useRef();
var mountedRef = useRef(true);
var previousTimeRef = useRef();
var animate = useCallback(function (time) {
if (!mountedRef.current) return;
if (previousTimeRef.current === undefined) {
previousTimeRef.current = time;
requestRef.current = requestAnimationFrame(animate);
return;
}
var reset = function reset() {
setData({
currentNumber: number,
originalNumber: number,
step: 0,
isGoingUp: false,
isAnimating: false
});
previousTimeRef.current = undefined;
if (requestRef.current) cancelAnimationFrame(requestRef.current);
requestRef.current = undefined;
};
if (typeof number !== 'number') {
try {
number = parseFloat(number);
} catch (e) {
console.error('useAnimateNumber: number is not a number');
reset();
return;
}
}
if (number === data.currentNumber) {
reset();
return;
}
var deltaTime = time - previousTimeRef.current;
if (deltaTime >= durationInMs) {
reset();
return;
}
var easingFunction = easing.easeOutExpo;
if (easingFunctionName && easing[easingFunctionName]) {
easingFunction = easing[easingFunctionName];
}
var progress = deltaTime / durationInMs;
var percentageOfTargetValue = easingFunction(progress);
var currentValue = percentageOfTargetValue * number;
setData(function (previousData) {
var isGoingUp = number > previousData.originalNumber;
if (!isGoingUp) {
currentValue = (1 - percentageOfTargetValue) * previousData.originalNumber + number;
}
if (currentValue !== 0) {
currentValue = parseFloat(currentValue.toFixed(decimalPlaces));
}
if (isGoingUp && currentValue > number) {
currentValue = number;
}
if (!isGoingUp && currentValue < number) {
currentValue = number;
}
return _objectSpread(_objectSpread({}, previousData), {}, {
currentNumber: currentValue,
isGoingUp: isGoingUp,
isAnimating: true
});
});
requestRef.current = window.requestAnimationFrame(animate);
}, [number, durationInMs, decimalPlaces, easingFunctionName]);
useEffect(function () {
requestRef.current = window.requestAnimationFrame(animate);
return function () {
if (requestRef.current) cancelAnimationFrame(requestRef.current);
};
}, [number, animate]);
return {
number: data.currentNumber,
isGoingUp: data.isGoingUp,
isAnimating: data.isAnimating
};
};
export default useAnimateNumber;