just-a-guess.js

  shareToFacebookPress() {
    const timeNow = Date.now();

    const facebookToken = this.props.facebook_token;

    console.log(facebookToken);

    const facebookExpiry = this.props.facebook_token_expiry * 1000;

    console.log(facebookExpiry);

    if (facebookToken == null || facebookExpiry < timeNow) {
      console.log("doesn't exist");
      this.props.signInFacebook();

    } else {
      this.state.shareToFacebook ?
      this.setState({ shareToFacebook: false }) :
      this.setState({ shareToFacebook: true });
    }
  }