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# Description of Changes Enable ESLint [no-unused-vars rule](https://typescript-eslint.io/rules/no-unused-vars/)
46 lines
1.5 KiB
TypeScript
46 lines
1.5 KiB
TypeScript
/**
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* Generic utility functions for handling file responses from API endpoints
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*/
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/**
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* Extracts filename from Content-Disposition header
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* @param contentDisposition - Content-Disposition header value
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* @returns Filename if found, null otherwise
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*/
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export const getFilenameFromHeaders = (contentDisposition: string = ''): string | null => {
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const match = contentDisposition.match(/filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/);
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if (match && match[1]) {
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const filename = match[1].replace(/['"]/g, '');
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// Decode URL-encoded characters (e.g., %20 -> space)
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try {
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return decodeURIComponent(filename);
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} catch {
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// If decoding fails, return the original filename
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return filename;
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}
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}
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return null;
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};
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/**
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* Creates a File object from API response using the filename from headers
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* @param responseData - The response data (blob/arraybuffer/string)
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* @param headers - Response headers object
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* @param fallbackFilename - Filename to use if none provided in headers
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* @returns File object
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*/
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export const createFileFromApiResponse = (
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responseData: any,
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headers: any,
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fallbackFilename: string
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): File => {
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const contentType = headers?.['content-type'] || 'application/octet-stream';
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const contentDisposition = headers?.['content-disposition'] || '';
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const filename = getFilenameFromHeaders(contentDisposition) || fallbackFilename;
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const blob = new Blob([responseData], { type: contentType });
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return new File([blob], filename, { type: contentType });
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};
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