export default function riseInput()

in src/components/Composer/riseInput.ts [24:55]

• 25 lines of code
• 6 McCabe index (conditional complexity)

export default function riseInput(input: Element, wrap?: Element | null) {
  const scrollType = testScrollType();
  let scrollTimer: ReturnType<typeof setTimeout>;
  const target = wrap || input;

  const scrollIntoView = () => {
    if (scrollType === 0) return;
    if (scrollType === 1) {
      document.body.scrollTop = document.body.scrollHeight;
    } else {
      target.scrollIntoView(false);
    }
  };

  input.addEventListener('focus', () => {
    setTimeout(scrollIntoView, 300);
    scrollTimer = setTimeout(scrollIntoView, 1000);
  });

  input.addEventListener('blur', () => {
    clearTimeout(scrollTimer);

    // 某些情况下收起键盘后输入框不收回，页面下面空白
    // 比如：闲鱼、大麦、乐动力、微信
    if (scrollType && isIOS) {
      // 以免点击快捷短语无效
      setTimeout(() => {
        document.body.scrollIntoView();
      });
    }
  });
}