ali-oss/lib/common/utils/getStrBytesCount.js

aliyun oss(object storage service) node client

module.exports = function getStrBytesCount(str) {
  let bytesCount = 0;
  for (let i = 0; i < str.length; i++) {
    const c = str.charAt(i);
    if (/^[\u00-\uff]$/.test(c)) {
      bytesCount += 1;
    } else {
      bytesCount += 2;
    }
  }
  return bytesCount;
};