readme.md

Await a global variable or an array of variables to be defined.

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With Promises and inner methods suppport.

await-global.js

function awaitGlobal(keys, wait = 300) {
  return Promise.all(
    [].concat(keys).map(key => {
      return new Promise((resolve, reject) => {
        let timer
        const loop = () => {
          if (key.indexOf('.') > -1) {
            try {
              let __key = key.split('.')[0]
              if (root[__key]) {
                const __eval = eval(key.replace(/[(){};,]/g, ''))
                if (__eval) {
                  resolve(__eval)
                  clearInterval(timer)
                }
              }
            } catch (err) {
              reject(err)
            }
          } else if (root[key]) {
            resolve(root[key])
            clearInterval(timer)
          }
        }
        timer = setInterval(loop, wait)
        loop()
      })
    })
  )
}