@rainbow-me/react-native-animated-number/dist/index.js

React Native component for smoothly animating a number

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _propTypes = _interopRequireDefault(require("prop-types"));

var _react = _interopRequireWildcard(require("react"));

var _reactMergeRefs = _interopRequireDefault(require("react-merge-refs"));

var _reactNative = require("react-native");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

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(n); 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) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function useTimeout() {
  var handle = (0, _react.useRef)();
  var start = (0, _react.useCallback)(function (func, ms) {
    handle.current = setTimeout(func, ms);
  }, []);
  var stop = (0, _react.useCallback)(function () {
    return handle.current && clearTimeout(handle.current);
  }, []); // eslint-disable-next-line react-hooks/exhaustive-deps

  (0, _react.useEffect)(function () {
    return function () {
      return stop();
    };
  }, []);
  return [start, stop];
}

var AnimatedNumber = (0, _react.forwardRef)(function (_ref, ref) {
  var disableTabularNums = _ref.disableTabularNums,
      formatter = _ref.formatter,
      steps = _ref.steps,
      initialValue = _ref.initialValue,
      style = _ref.style,
      textAlign = _ref.textAlign,
      time = _ref.time,
      value = _ref.value,
      props = _objectWithoutProperties(_ref, ["disableTabularNums", "formatter", "steps", "initialValue", "style", "textAlign", "time", "value"]);

  var currentValue = (0, _react.useRef)(value);
  var initialValueRef = (0, _react.useRef)(initialValue);
  var textInputRef = (0, _react.useRef)();

  var _useTimeout = useTimeout(),
      _useTimeout2 = _slicedToArray(_useTimeout, 2),
      startAnimationTimeout = _useTimeout2[0],
      stopAnimationTimeout = _useTimeout2[1];

  var _useTimeout3 = useTimeout(),
      _useTimeout4 = _slicedToArray(_useTimeout3, 1),
      startInitialValueTimeout = _useTimeout4[0];

  var isPositive = (0, _react.useMemo)(function () {
    return value - currentValue.current > 0;
  }, [value]);
  var stepSize = (0, _react.useMemo)(function () {
    return (value - currentValue.current) / Number(steps);
  }, [steps, value]);
  var animateNumber = (0, _react.useCallback)(function () {
    var nextValue = currentValue.current + stepSize;
    var isComplete = isPositive && nextValue >= value || !isPositive && nextValue <= value;
    currentValue.current = isComplete ? value : nextValue;

    if (textInputRef.current) {
      textInputRef.current.setNativeProps({
        text: formatter(currentValue.current)
      });
    }

    if (isComplete) {
      stopAnimationTimeout();
    }
  }, [formatter, isPositive, stepSize, stopAnimationTimeout, value]);
  var startAnimateNumber = (0, _react.useCallback)(function () {
    stopAnimationTimeout();

    _reactNative.InteractionManager.runAfterInteractions(function () {
      animateNumber();
      startAnimationTimeout(startAnimateNumber, Number(time));
    });
  }, [animateNumber, startAnimationTimeout, stopAnimationTimeout, time]);
  (0, _react.useEffect)(function () {
    // If the component was resetted
    // We need to reset the number and restart the animation
    if (initialValueRef.current !== initialValue) {
      stopAnimationTimeout();
      currentValue.current = initialValue;
      startAnimateNumber();
      startInitialValueTimeout(function () {
        initialValueRef.current = initialValue;
      }, Number(time) + 1);
    } else if (currentValue.current !== value) {
      startAnimateNumber();
    }
  }, [initialValue, startAnimateNumber, startAnimationTimeout, startInitialValueTimeout, stopAnimationTimeout, time, value]);
  return /*#__PURE__*/_react["default"].createElement(_reactNative.TextInput, _extends({}, props, {
    editable: false,
    ref: (0, _reactMergeRefs["default"])([textInputRef, ref]),
    style: [{
      fontVariant: disableTabularNums ? undefined : ["tabular-nums"],
      textAlign: textAlign
    }, style],
    value: formatter(currentValue.current)
  }));
});
AnimatedNumber.propTypes = {
  disableTabularNums: _propTypes["default"].bool,
  formatter: _propTypes["default"].func,
  initialValue: _propTypes["default"].number,
  steps: _propTypes["default"].number,
  textAlign: _propTypes["default"].oneOf(["auto", "center", "justify", "left", "right"]),
  time: _propTypes["default"].number,
  value: _propTypes["default"].number
};
AnimatedNumber.defaultProps = {
  formatter: function formatter(value) {
    return Number(value).toString();
  },
  steps: 10,
  textAlign: "right",
  time: 6
};
var _default = AnimatedNumber;
exports["default"] = _default;