Method append

lib/types/string.js:63–68

(ch)

  }

  append(ch) {
    let { cursor, input } = this.state;
    this.input = `${input}`.slice(0, cursor) + ch + `${input}`.slice(cursor);
    this.moveCursor(String(ch).length);
    this.render();
  }

  insert(str) {
    this.append(str);