fps-now/lib/react/index.js

FPS meter for evergreen browsers

"use strict";

exports.__esModule = true;
exports.default = void 0;

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

var _ = _interopRequireDefault(require("../"));

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

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

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var styles = {
  text: {
    fontSize: '11px',
    lineHeight: '15px',
    color: 'rgb(40, 40, 40)',
    fontFamily: 'monospace'
  },
  wrapper: {
    position: 'absolute',
    top: 3,
    right: 3,
    borderRadius: 3,
    background: 'rgba(0, 0, 0, 0.1)',
    padding: '8px 16px',
    minWidth: 30,
    textAlign: 'center'
  }
};

var Wrapper = function Wrapper(_ref) {
  var children = _ref.children;
  return _react.default.createElement("div", {
    style: styles.wrapper
  }, children);
};

var Text = function Text(_ref2) {
  var children = _ref2.children;
  return _react.default.createElement("span", {
    style: styles.text
  }, children);
};

var FPS =
/*#__PURE__*/
function (_Component) {
  _inheritsLoose(FPS, _Component);

  function FPS() {
    var _this;

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _Component.call.apply(_Component, [this].concat(args)) || this;

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "state", {
      fps: 0
    });

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "onTick", function (graph) {
      _this.setState(function (s) {
        return {
          fps: graph.toFixed(2)
        };
      });
    });

    return _this;
  }

  var _proto = FPS.prototype;

  _proto.componentWillMount = function componentWillMount() {
    this.fps = _.default.of({
      visual: false,
      averageFPS: true
    });
    this.fps.on('tick', this.onTick);
  };

  _proto.componentDidMount = function componentDidMount() {
    this.fps.start();
  };

  _proto.componentWillUnmount = function componentWillUnmount() {
    delete this.fps;
  };

  _proto.render = function render() {
    return _react.default.createElement(Wrapper, null, _react.default.createElement(Text, null, this.state.fps));
  };

  return FPS;
}(_react.Component);

exports.default = FPS;