elfen-component-spinner/lib/components/circular.js

react components for loader or spinner

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _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; };

var _templateObject = _taggedTemplateLiteral(['\n  to {\n    transform: rotate(360deg);\n  }\n'], ['\n  to {\n    transform: rotate(360deg);\n  }\n']),
    _templateObject2 = _taggedTemplateLiteral(['\n  0% {\n    stroke-dasharray: 1, 200;\n    stroke-dashoffset: 0;\n  }\n  50% {\n    stroke-dasharray: 89, 200;\n    stroke-dashoffset: -35;\n  }\n  100% {\n    stroke-dasharray: 89, 200;\n    stroke-dashoffset: -124;\n  }\n'], ['\n  0% {\n    stroke-dasharray: 1, 200;\n    stroke-dashoffset: 0;\n  }\n  50% {\n    stroke-dasharray: 89, 200;\n    stroke-dashoffset: -35;\n  }\n  100% {\n    stroke-dasharray: 89, 200;\n    stroke-dashoffset: -124;\n  }\n']),
    _templateObject3 = _taggedTemplateLiteral(['\n  transform-origin: center;\n  animation: ', ' ', 's infinite;\n'], ['\n  transform-origin: center;\n  animation: ', ' ', 's infinite;\n']),
    _templateObject4 = _taggedTemplateLiteral(['\n  width: ', ';\n  animation: ', ' linear infinite;\n  animation-duration: ', 's;\n'], ['\n  width: ', ';\n  animation: ', ' linear infinite;\n  animation-duration: ', 's;\n']);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _styledComponents = require('styled-components');

var _styledComponents2 = _interopRequireDefault(_styledComponents);

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }

/*
 * hard to find the law of google style circular loading
 * set 50 x 50 as basic viewbox size. scale viewbox when use.
 *
 * from: https://codepen.io/jczimm/pen/vEBpoL
 */

var CIRCLE_RADIUS = 50 / 2;
var VIEW_BOX = '0 0 ' + CIRCLE_RADIUS * 2 + ' ' + CIRCLE_RADIUS * 2;

var animationRotate = (0, _styledComponents.keyframes)(_templateObject);

var animationDash = (0, _styledComponents.keyframes)(_templateObject2);

var Circle = _styledComponents2.default.circle(_templateObject3, animationDash, function (props) {
  return props.duration;
});

var Svg = _styledComponents2.default.svg(_templateObject4, function (props) {
  return typeof props.viewBoxSize === 'string' ? props.viewBoxSize : props.viewBoxSize + 'px';
}, animationRotate, function (props) {
  return props.duration * 4 / 3;
});

var CircularLoading = function CircularLoading(_ref) {
  var duration = _ref.duration,
      color = _ref.color,
      stroke = _ref.stroke,
      strokeWidth = _ref.strokeWidth,
      linecap = _ref.linecap,
      size = _ref.size,
      rest = _objectWithoutProperties(_ref, ['duration', 'color', 'stroke', 'strokeWidth', 'linecap', 'size']);

  var radius = size / 2 - strokeWidth;

  return _react2.default.createElement(
    Svg,
    _extends({}, rest, {
      viewBox: VIEW_BOX,
      duration: duration,
      viewBoxSize: size
    }),
    _react2.default.createElement(Circle, {
      duration: duration,
      fill: 'none',
      stroke: color || stroke,
      strokeWidth: strokeWidth,
      strokeLinecap: linecap,
      cx: CIRCLE_RADIUS,
      cy: CIRCLE_RADIUS,
      r: CIRCLE_RADIUS - strokeWidth
    })
  );
};

CircularLoading.defaultProps = {
  size: 40,
  stroke: '#4197ff',
  color: '#4197ff',
  strokeWidth: 5,
  duration: 1,
  linecap: 'round'
};

exports.default = CircularLoading;