render() {
    const theme = {
      color: this.props.color,
      prompt: this.props.prompt,
      barColor: this.props.barColor,
      outputColor: this.props.outputColor,
      backgroundColor: this.props.backgroundColor,
    };

    return (
      <ThemeProvider theme={theme}>
        <Base
          className="terminal-base"
          fullscreen={this.state.maximise}
        >
          {this.getAppContent()}
        </Base>
      </ThemeProvider>
    );
  }
Base of key code set the value of the input
with the history
@param {event} event of input