hexo-theme-stellar/source/js/plugins/copycode.js

window.codeElements.forEach(code => {
  // copy btn 
  const codeCopyBtn = document.createElement('div');
  codeCopyBtn.classList.add('copy-btn');
  codeCopyBtn.innerHTML = ctx.copycode.default_text;
  code.appendChild(codeCopyBtn);
  codeCopyBtn.addEventListener('click', async () => {
    const currentCodeElement = code.children[0]?.innerText;
    await copyCode(currentCodeElement);
    codeCopyBtn.innerHTML = ctx.copycode.success_text;
    codeCopyBtn.classList.add('success');
    hud.toast(ctx.copycode.toast, 2500);
    setTimeout(() => {
      codeCopyBtn.innerHTML = ctx.copycode.default_text;
      codeCopyBtn.classList.remove('success');
    },3000);
  })
})

async function copyCode(currentCode) {
  if (navigator.clipboard) {
    try {
      await navigator.clipboard.writeText(currentCode);
    } catch (error) {
      // 未获得用户许可
      codeCopyBtn.innerText = '未获得用户许可';
      codeCopyBtn.classList.add('warning');
      setTimeout(() => {
        codeCopyBtn.innerText = ctx.copycode.default_text;
        codeCopyBtn.classList.remove('warning');
      },3000);
    }
  } else {
    codeCopyBtn.innerText = '当前浏览器不支持此api';
    codeCopyBtn.classList.add('warning');
    setTimeout(() => {
      codeCopyBtn.innerText = ctx.copycode.default_text;
      codeCopyBtn.classList.remove('warning');
    },3000);
  }
}