/**
 * {一些常量}
 * @author yutent<yutent.io@gmail.com>
 * @date 2022/09/06 11:54:56
 */

export const JS_EXP = /<script[^>]*?>([\w\W]*?)<\/script>/
export const STYLE_EXP = /<style[^>]*?>([\w\W]*?)<\/style>/g
export const HTML_EXP = /<template[^>]*?>([\w\W]*?)\n<\/template>/

export const CSS_SHEET_EXP = /([@\w\.,#\-:>\+\~\|\(\)\[\]"'\=\s]+)\{/g

export const COMMON_HEADERS = {
  'Cache-Control': 'no-store'
}

export const HMR_SCRIPT = `
!(function vue_live_hmr(){
  var ws = new WebSocket(\`ws\${location.protocol === 'https:' ? 's' : ''}://\${location.host}/ws-vue-live\`)

  ws.addEventListener('open', function (r) {
    if(vue_live_hmr.closed){
      delete vue_live_hmr.closed
      location.reload()
    }
    console.log('vue-live hmr ready...')
  })

  ws.addEventListener('close', function(){
    vue_live_hmr.closed = true
    setTimeout(vue_live_hmr, 2000)
  })
  
  ws.addEventListener('message', function (ev) {
    var { action, data } = JSON.parse(ev.data)
  
    switch (action) {
      case 'reload':
        location.reload()
        break
  
      case 'render':
        {
          let tmp = [...document.adoptedStyleSheets]
          for (let i = -1, it; (it = tmp[++i]); ) {
            if (it.path === data.path) {
              let stylesheet = new CSSStyleSheet()
              stylesheet.path = data.path
              stylesheet.replaceSync(data.content)
              document.adoptedStyleSheets[i] = stylesheet
              break
            }
          }
        }
        break
    }
  })
})()
`