@iimm/shared/dist/esm/image/index.js

shared utils on browser and react env

/** 检测是图片mimeType，即以 image/开头*/
export var isImageMimeType = function isImageMimeType(type) {
  return type.indexOf('image/') === 0;
};

/** 检查是否为base64格式图片，即以data:image开头 */
export var isBase64Image = function isBase64Image(str) {
  return /^data:image\//.test(str);
};