import warning from "rc-util/es/warning"; export default (function (file, acceptedFiles) { if (file && acceptedFiles) { var acceptedFilesArray = Array.isArray(acceptedFiles) ? acceptedFiles : acceptedFiles.split(','); var fileName = file.name || ''; var mimeType = file.type || ''; var baseMimeType = mimeType.replace(/\/.*$/, ''); return acceptedFilesArray.some(function (type) { var validType = type.trim(); // This is something like */*,* allow all files if (/^\*(\/\*)?$/.test(type)) { return true; } // like .jpg, .png if (validType.charAt(0) === '.') { var lowerFileName = fileName.toLowerCase(); var lowerType = validType.toLowerCase(); var affixList = [lowerType]; if (lowerType === '.jpg' || lowerType === '.jpeg') { affixList = ['.jpg', '.jpeg']; } return affixList.some(function (affix) { return lowerFileName.endsWith(affix); }); } // This is something like a image/* mime type if (/\/\*$/.test(validType)) { return baseMimeType === validType.replace(/\/.*$/, ''); } // Full match if (mimeType === validType) { return true; } // Invalidate type should skip if (/^\w+$/.test(validType)) { warning(false, "Upload takes an invalidate 'accept' type '".concat(validType, "'.Skip for check.")); return true; } return false; }); } return true; });