material-ui-pickers-fork/_helpers/time-utils.js

React components, that implements material design pickers for material-ui v1

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.convertToMeridiem = exports.getMinutes = exports.getHours = void 0;
var center = {
  x: 260 / 2,
  y: 260 / 2
};
var basePoint = {
  x: center.x,
  y: 0
};
var cx = basePoint.x - center.x;
var cy = basePoint.y - center.y;

var rad2deg = function rad2deg(rad) {
  return rad * 57.29577951308232;
};

var getAngleValue = function getAngleValue(step, offsetX, offsetY) {
  var x = offsetX - center.x;
  var y = offsetY - center.y;
  var atan = Math.atan2(cx, cy) - Math.atan2(x, y);
  var deg = rad2deg(atan);
  deg = Math.round(deg / step) * step;
  deg %= 360;
  var value = Math.floor(deg / step) || 0; // eslint-disable-next-line no-restricted-properties

  var delta = Math.pow(x, 2) + Math.pow(y, 2);
  var distance = Math.sqrt(delta);
  return {
    value: value,
    distance: distance
  };
};

var getHours = function getHours(offsetX, offsetY, ampm) {
  // eslint-disable-next-line
  var _getAngleValue = getAngleValue(30, offsetX, offsetY),
      value = _getAngleValue.value,
      distance = _getAngleValue.distance;

  value = value || 12;

  if (!ampm) {
    if (distance < 90) {
      value += 12;
      value %= 24;
    }
  } else {
    value %= 12;
  }

  return value;
};

exports.getHours = getHours;

var getMinutes = function getMinutes(offsetX, offsetY, step) {
  if (step === void 0) {
    step = 6;
  }

  var _getAngleValue2 = getAngleValue(step, offsetX, offsetY),
      value = _getAngleValue2.value;

  return value;
};

exports.getMinutes = getMinutes;

var convertToMeridiem = function convertToMeridiem(time, meridiem, ampm, utils) {
  if (ampm) {
    var currentMeridiem = utils.getHours(time) >= 12 ? 'pm' : 'am';

    if (currentMeridiem !== meridiem) {
      var hours = meridiem === 'am' ? utils.getHours(time) - 12 : utils.getHours(time) + 12;
      return utils.setHours(time, hours);
    }
  }

  return time;
};

exports.convertToMeridiem = convertToMeridiem;