react-captchaa/dist/index.js

A lightweight package for react captcha

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var React = require('react');
var React__default = _interopDefault(React);
var Icon = _interopDefault(require('react-icons-wrapper'));

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;
}

var styles = {"react__captcha":"_1rKPV","react__captcha__icon__wrapper":"_2M91i","react__captcha__canvas":"_nTXn5"};

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

  function ReactCaptchaa(props) {
    var _this;

    _this = _Component.call(this, props) || this;
    _this.canvasRef = React__default.createRef();
    _this.initializeCaptchaText = _this.initializeCaptchaText.bind(_assertThisInitialized(_this));
    _this.createCaptcha = _this.createCaptcha.bind(_assertThisInitialized(_this));
    _this.state = {
      captchaText: ''
    };
    return _this;
  }

  var _proto = ReactCaptchaa.prototype;

  _proto.initializeCaptchaText = function initializeCaptchaText() {
    var charsArray = this.props.charactersInclude;
    var lengthOtp = this.props.captchaLength;
    var captcha = [];

    for (var i = 0; i < lengthOtp; i++) {
      var index = Math.floor(Math.random() * charsArray.length + 1);
      if (captcha.indexOf(charsArray[index]) === -1) captcha.push(charsArray[index]);else i--;
    }

    return captcha.join('');
  };

  _proto.createCaptcha = function createCaptcha(e) {
    var _this2 = this;

    this.setState({
      captchaText: this.initializeCaptchaText()
    }, function () {
      var canvas = _this2.canvasRef.current;
      var context = canvas.getContext('2d');
      context.clearRect(0, 0, canvas.width, canvas.height);
      var centerX = canvas.width / 2;
      var centerY = canvas.height / 2;
      canvas.height = _this2.props.height;
      canvas.width = _this2.props.width;
      context.font = _this2.props.fontSize + " " + _this2.props.font;
      context.strokeStyle = _this2.props.fontColor;
      context.textAlign = 'center';
      context.textBaseline = 'middle';
      context.strokeText(_this2.state.captchaText, centerX, centerY);

      _this2.props.captchaText(_this2.state.captchaText);

      try {
        var _this2$props;

        if ((_this2$props = _this2.props) !== null && _this2$props !== void 0 && _this2$props.captchaButtonClick) _this2.props.captchaButtonClick(e);
      } catch (err) {}
    });
  };

  _proto.componentDidMount = function componentDidMount() {
    var canvas = this.canvasRef.current;
    var context = canvas.getContext('2d');
    canvas.height = this.props.height;
    canvas.width = this.props.width;
    var centerX = canvas.width / 2;
    var centerY = canvas.height / 2;
    context.font = this.props.fontSize + " " + this.props.font;
    context.strokeStyle = this.props.fontColor;
    var captchaText = this.initializeCaptchaText();
    context.textAlign = 'center';
    context.textBaseline = 'middle';
    context.strokeText(captchaText, centerX, centerY);
    this.props.captchaText(captchaText);
    this.setState({
      captchaText: captchaText
    });
  };

  _proto.render = function render() {
    return /*#__PURE__*/React__default.createElement("div", {
      className: styles.react__captcha + " " + this.props.containerClassName
    }, /*#__PURE__*/React__default.createElement("canvas", {
      onClick: this.props.onCanvasClick,
      ref: this.canvasRef,
      className: styles.react__captcha__canvas + " " + this.props.canvasClassName
    }), /*#__PURE__*/React__default.createElement("div", {
      onClick: this.createCaptcha,
      className: styles.react__captcha__icon__wrapper + " " + this.props.iconWrapperClassName
    }, /*#__PURE__*/React__default.createElement(Icon, {
      name: this.props.iconName,
      size: this.props.iconSize,
      color: this.props.iconColor,
      className: this.props.iconClassName
    })));
  };

  return ReactCaptchaa;
}(React.Component);
ReactCaptchaa.defaultProps = {
  fontSize: '25px',
  fontColor: '#109CF1',
  font: 'Georgia',
  height: 50,
  width: 100,
  backgroundColor: '#fff',
  containerClassName: 'react-captcha',
  iconWrapperClassName: 'react-captcha-icon-wrapper',
  canvasClassName: 'react-captcha-canvas',
  iconClassName: 'react-captcha-icon',
  captchaLength: 6,
  iconColor: '#fff',
  iconName: 'FiRefreshCw',
  iconSize: '1em',
  charactersInclude: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@!#$%^&*'
};

module.exports = ReactCaptchaa;
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