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/** * Gets the media type by file extension string. */export function getMediaType(ext?: string) {  return (ext && MEDIA_TYPES[ext]) ?? "application/octet-stream";}
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.// Copied from https://github.com/denoland/deno_std/blob/2cbf6c7eb80073a442328d004e484848d437d862/http/file_server.tsconst MEDIA_TYPES: Record<string, string | undefined> = {  ".md": "text/markdown",  ".html": "text/html",  ".htm": "text/html",  ".json": "application/json",  ".map": "application/json",  ".txt": "text/plain",  ".ts": "text/typescript",  ".tsx": "text/tsx",  ".js": "application/javascript",  ".jsx": "text/jsx",  ".gz": "application/gzip",  ".css": "text/css",  ".wasm": "application/wasm",  ".mjs": "application/javascript",  ".otf": "font/otf",  ".ttf": "font/ttf",  ".woff": "font/woff",  ".woff2": "font/woff2",  ".conf": "text/plain",  ".list": "textplain",  ".log": "text/plain",  ".ini": "text/plain",  ".vtt": "text/vtt",  ".yaml": "text/yaml",  ".yml": "text/yaml",  ".mid": "audio/midi",  ".midi": "audio/midi",  ".mp3": "audio/mp3",  ".mp4a": "audio/mp4",  ".m4a": "audio/mp4",  ".ogg": "audio/ogg",  ".spx": "audio/ogg",  ".opus": "audio/ogg",  ".wav": "audio/wav",  ".webm": "audio/webm",  ".aac": "audio/x-aac",  ".flac": "audio/x-flac",  ".mp4": "video/mp4",  ".mp4v": "video/mp4",  ".mkv": "video/x-matroska",  ".mov": "video/quicktime",  ".svg": "image/svg+xml",  ".avif": "image/avif",  ".bmp": "image/bmp",  ".gif": "image/gif",  ".heic": "image/heic",  ".heif": "image/heif",  ".jpeg": "image/jpeg",  ".jpg": "image/jpeg",  ".png": "image/png",  ".tiff": "image/tiff",  ".psd": "image/vnd.adobe.photoshop",  ".ico": "image/vnd.microsoft.icon",  ".webp": "image/webp",  ".es": "application/ecmascript",  ".epub": "application/epub+zip",  ".jar": "application/java-archive",  ".war": "application/java-archive",  ".webmanifest": "application/manifest+json",  ".doc": "application/msword",  ".dot": "application/msword",  ".docx":    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",  ".dotx":    "application/vnd.openxmlformats-officedocument.wordprocessingml.template",  ".cjs": "application/node",  ".bin": "application/octet-stream",  ".pkg": "application/octet-stream",  ".dump": "application/octet-stream",  ".exe": "application/octet-stream",  ".deploy": "application/octet-stream",  ".img": "application/octet-stream",  ".msi": "application/octet-stream",  ".pdf": "application/pdf",  ".pgp": "application/pgp-encrypted",  ".asc": "application/pgp-signature",  ".sig": "application/pgp-signature",  ".ai": "application/postscript",  ".eps": "application/postscript",  ".ps": "application/postscript",  ".rdf": "application/rdf+xml",  ".rss": "application/rss+xml",  ".rtf": "application/rtf",  ".apk": "application/vnd.android.package-archive",  ".key": "application/vnd.apple.keynote",  ".numbers": "application/vnd.apple.keynote",  ".pages": "application/vnd.apple.pages",  ".geo": "application/vnd.dynageo",  ".gdoc": "application/vnd.google-apps.document",  ".gslides": "application/vnd.google-apps.presentation",  ".gsheet": "application/vnd.google-apps.spreadsheet",  ".kml": "application/vnd.google-earth.kml+xml",  ".mkz": "application/vnd.google-earth.kmz",  ".icc": "application/vnd.iccprofile",  ".icm": "application/vnd.iccprofile",  ".xls": "application/vnd.ms-excel",  ".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",  ".xlm": "application/vnd.ms-excel",  ".ppt": "application/vnd.ms-powerpoint",  ".pot": "application/vnd.ms-powerpoint",  ".pptx":    "application/vnd.openxmlformats-officedocument.presentationml.presentation",  ".potx":    "application/vnd.openxmlformats-officedocument.presentationml.template",  ".xps": "application/vnd.ms-xpsdocument",  ".odc": "application/vnd.oasis.opendocument.chart",  ".odb": "application/vnd.oasis.opendocument.database",  ".odf": "application/vnd.oasis.opendocument.formula",  ".odg": "application/vnd.oasis.opendocument.graphics",  ".odp": "application/vnd.oasis.opendocument.presentation",  ".ods": "application/vnd.oasis.opendocument.spreadsheet",  ".odt": "application/vnd.oasis.opendocument.text",  ".rar": "application/vnd.rar",  ".unityweb": "application/vnd.unity",  ".dmg": "application/x-apple-diskimage",  ".bz": "application/x-bzip",  ".crx": "application/x-chrome-extension",  ".deb": "application/x-debian-package",  ".php": "application/x-httpd-php",  ".iso": "application/x-iso9660-image",  ".sh": "application/x-sh",  ".sql": "application/x-sql",  ".srt": "application/x-subrip",  ".xml": "application/xml",  ".zip": "application/zip",};