Function validateAndSetFile

apps/web/components/tools/MediaFormatConverter.tsx:252–301

(selectedFile: File)

	};

	const validateAndSetFile = (selectedFile: File) => {
		setError(null);
		setOutputUrl(null);

		const expectedMimeType = getMimeType(currentSourceFormat);

		let isValidType = false;

		if (currentSourceFormat === "mov") {
			isValidType =
				selectedFile.type === "video/quicktime" ||
				selectedFile.type === "video/mov" ||
				selectedFile.name.toLowerCase().endsWith(".mov");
		} else if (currentSourceFormat === "mkv") {
			isValidType =
				selectedFile.type === "video/x-matroska" ||
				selectedFile.name.toLowerCase().endsWith(".mkv");
		} else if (currentSourceFormat === "avi") {
			isValidType =
				selectedFile.type === "video/x-msvideo" ||
				selectedFile.type === "video/avi" ||
				selectedFile.name.toLowerCase().endsWith(".avi");
		} else {
			isValidType =
				selectedFile.type === expectedMimeType ||
				selectedFile.type.includes(currentSourceFormat) ||
				selectedFile.name.toLowerCase().endsWith(`.${currentSourceFormat}`);
		}

		if (!isValidType) {
			setError(`Please select a ${currentSourceFormat.toUpperCase()} file.`);
			trackEvent(`${conversionPath}_invalid_file_type`, {
				fileType: selectedFile.type,
			});
			return;
		}

		if (selectedFile.size > 500 * 1024 * 1024) {
			setError("File size exceeds 500MB limit.");
			trackEvent(`${conversionPath}_file_too_large`, {
				fileSize: selectedFile.size,
			});
			return;
		}

		setFile(selectedFile);
		trackEvent(`${conversionPath}_file_selected`, {
			fileSize: selectedFile.size,
		});
	};

	const handleDragOver = (e: React.DragEvent) => {
		e.preventDefault();