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SavvyM
76 lines
2.2 KiB
TypeScript
76 lines
2.2 KiB
TypeScript
/**
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* Get MIME type from file extension
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*/
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export function getMimeTypeFromFilename(filename: string): string {
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const ext = filename.split(".").pop()?.toLowerCase() ?? ""
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const mimeTypes: Record<string, string> = {
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jpg: "image/jpeg",
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jpeg: "image/jpeg",
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png: "image/png",
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gif: "image/gif",
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webp: "image/webp",
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svg: "image/svg+xml",
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ico: "image/x-icon",
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bmp: "image/bmp",
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tiff: "image/tiff",
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tif: "image/tiff",
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mp4: "video/mp4",
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webm: "video/webm",
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ogv: "video/ogg",
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avi: "video/x-msvideo",
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mov: "video/quicktime",
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wmv: "video/x-ms-wmv",
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flv: "video/x-flv",
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mkv: "video/x-matroska",
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mp3: "audio/mpeg",
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wav: "audio/wav",
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ogg: "audio/ogg",
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oga: "audio/ogg",
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m4a: "audio/mp4",
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flac: "audio/flac",
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aac: "audio/aac",
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pdf: "application/pdf",
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doc: "application/msword",
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docx: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
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xls: "application/vnd.ms-excel",
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xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
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ppt: "application/vnd.ms-powerpoint",
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pptx: "application/vnd.openxmlformats-officedocument.presentationml.document",
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txt: "text/plain",
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csv: "text/csv",
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rtf: "application/rtf",
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zip: "application/zip",
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rar: "application/x-rar-compressed",
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"7z": "application/x-7z-compressed",
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tar: "application/x-tar",
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gz: "application/gzip",
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bz2: "application/x-bzip2",
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html: "text/html",
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htm: "text/html",
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css: "text/css",
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js: "application/javascript",
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json: "application/json",
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jsonl: "application/x-ndjson",
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ndjson: "application/x-ndjson",
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xml: "application/xml",
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wasm: "application/wasm",
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ttf: "font/ttf",
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otf: "font/otf",
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woff: "font/woff",
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woff2: "font/woff2",
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eot: "application/vnd.ms-fontobject",
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}
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return mimeTypes[ext] ?? "application/octet-stream"
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}
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/**
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* Get content type from response headers or infer from filename
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*/
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export function getContentType(headers: Headers, filename: string): string {
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const contentType = headers.get("content-type")
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if (contentType) return contentType
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return getMimeTypeFromFilename(filename)
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}
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