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