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📂 refactor: File Type Inference for Frontend File Validation (#10807)
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- Introduced `inferMimeType` utility to improve MIME type detection for uploaded files, including support for HEIC and HEIF formats.
- Updated DragDropModal to utilize the new inference logic for validating file types, ensuring compatibility with various document upload providers.
- Added comprehensive tests for `inferMimeType` to cover various scenarios, including handling of unknown extensions and preserving browser-provided types.
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Danny Avila 2025-12-04 14:24:10 -05:00 • committed by GitHub
parent 754b495fb8
commit f55bd6f99b
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4 changed files with 101 additions and 19 deletions
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11
client/src/utils/files.ts
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@ -9,9 +9,9 @@ import {
import {
megabyte,
QueryKeys,
inferMimeType,
excelMimeTypes,
EToolResources,
codeTypeMapping,
fileConfig as defaultFileConfig,
} from 'librechat-data-provider';
import type { TFile, EndpointFileConfig, FileConfig } from 'librechat-data-provider';
@ -257,14 +257,7 @@ export const validateFiles = ({
for (let i = 0; i < fileList.length; i++) {
let originalFile = fileList[i];
let fileType = originalFile.type;
const extension = originalFile.name.split('.').pop() ?? '';
const knownCodeType = codeTypeMapping[extension];
// Infer MIME type for Known Code files when the type is empty or a mismatch
if (knownCodeType && (!fileType || fileType !== knownCodeType)) {
fileType = knownCodeType;
}
const fileType = inferMimeType(originalFile.name, originalFile.type);
// Check if the file type is still empty after the extension check
if (!fileType) {