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import { extname } from "./vendor/https/deno.land/std/path/mod.ts";import { MIME } from "./constants.ts";import { NotFoundException } from "./http_exception.ts";
/** Returns the content-type based on the extension of a path. */export function contentType(filepath: string): string | undefined {  return MIME.DB[extname(filepath)];}
export function hasTrailingSlash(str: string): boolean {  if (str.length > 1 && str[str.length - 1] === "/") {    return true;  }
  return false;}
export function NotFoundHandler(): never {  throw new NotFoundException();}