Remove dependencies on node:path and mime-types

Author: ericallam

package.json

@@ -50,7 +50,6 @@
     "@types/jest": "^27.0.2",
     "@types/jsbn": "^1.2.30",
     "@types/jsonwebtoken": "^8.5.8",
-    "@types/mime-types": "^2.1.1",
     "@types/node": "^16.11.7",
     "@types/uuid": "^8.3.3",
     "@typescript-eslint/eslint-plugin": "^5.8.1",
@@ -74,7 +73,6 @@
     "ip-address": "^8.1.0",
     "json5": "^2.2.0",
     "jsonwebtoken": "^8.5.1",
-    "mime-types": "^2.1.34",
     "universal-url": "^2.0.0",
     "uuid": "^8.3.2"
   },
@@ -92,4 +90,4 @@
       "pre-commit": "npm run prettier-format && npm run lint"
     }
   }
-}
+}

src/formats/hostname.ts

@@ -1,96 +1,33 @@
-import path from "path";
-
-const filenameExtensions = [
-  ".7z",
-  ".aac",
-  ".au",
-  ".avi",
-  ".bmp",
-  ".bz2",
-  ".css",
-  ".csv",
-  ".dmg",
-  ".doc",
-  ".docx",
-  ".eot",
-  ".epub",
-  ".flac",
-  ".flv",
-  ".gif",
-  ".gz",
-  ".htm",
-  ".html",
-  ".ico",
-  ".jpeg",
-  ".jpg",
-  ".js",
-  ".json",
-  ".key",
-  ".m2v",
-  ".m4a",
-  ".m4v",
-  ".m4v",
-  ".md",
-  ".mov",
-  ".mp2",
-  ".mp3",
-  ".mp4",
-  ".mpe",
-  ".mpeg",
-  ".mpeg",
-  ".mpg",
-  ".mpg",
-  ".mpv",
-  ".mxf",
-  ".numbers",
-  ".odt",
-  ".ogg",
-  ".ogv",
-  ".pages",
-  ".pdf",
-  ".png",
-  ".ppt",
-  ".pptx",
-  ".psd",
-  ".rar",
-  ".raw",
-  ".rtf",
-  ".svg",
-  ".swf",
-  ".tar",
-  ".tgz",
-  ".tif",
-  ".tiff",
-  ".ts",
-  ".tsv",
-  ".ttf",
-  ".txt",
-  ".wav",
-  ".webp",
-  ".wmv",
-  ".woff",
-  ".woff2",
-  ".xls",
-  ".xlsx",
-  ".xml",
-  ".xz",
-  ".yaml",
-  ".yml",
-  ".z",
-  ".zip",
+const tlds = [
+  "com",
+  "org",
+  "net",
+  "edu",
+  "gov",
+  "mil",
+  "co",
+  "io",
+  "ac",
+  "dev",
+  "info",
+  "biz",
+  "name",
+  "uk",
+  "me",
+  "ca",
+  "tv",
+  "ir",
+  "au",
 ];
 
-function isNotFilename(value: string): boolean {
-  const extname = path.extname(value);
+function containsTld(value: string): boolean {
+  const extname = value.split(".").pop();
 
-  return extname === "" || !filenameExtensions.includes(extname);
-}
-
-function isNotSemver(value: string): boolean {
-  const regex =
-    /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/;
+  if (!extname) {
+    return false;
+  }
 
-  return !regex.test(value);
+  return tlds.includes(extname);
 }
 
 export type JSONHostnameFormat = {
@@ -137,7 +74,7 @@ function isValidHostname(value: string, allowUnderscore = false): boolean {
     return validLabel;
   });
 
-  return isValid && isNotFilename(value) && isNotSemver(value);
+  return isValid && containsTld(value);
 }
 
 export function inferHostname(value: string): JSONHostnameFormat | undefined {

src/formats/uri.ts

@@ -1,19 +1,106 @@
 import { URL } from "universal-url";
-import mime from "mime-types";
-import path from "path";
 
 export type JSONURIFormat = {
   name: "uri";
   contentType?: string;
 };
 
+function lookupMimeType(ext?: string): string | undefined {
+  if (ext === undefined) {
+    return undefined;
+  }
+
+  const extensionToMimeType: Record<string, string> = {
+    json: "application/json",
+    js: "application/javascript",
+    html: "text/html",
+    css: "text/css",
+    txt: "text/plain",
+    ts: "text/typescript",
+    tsx: "text/typescript",
+    aac: "audio/aac",
+    abw: "application/x-abiword",
+    arc: "application/x-freearc",
+    avi: "video/x-msvideo",
+    azw: "application/vnd.amazon.ebook",
+    bin: "application/octet-stream",
+    bmp: "image/bmp",
+    bz: "application/x-bzip",
+    bz2: "application/x-bzip2",
+    cda: "application/x-cdf",
+    csh: "application/x-csh",
+    csv: "text/csv",
+    doc: "application/msword",
+    docx: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+    eot: "application/vnd.ms-fontobject",
+    epub: "application/epub+zip",
+    gz: "application/gzip",
+    gif: "image/gif",
+    htm: "text/html",
+    ico: "image/vnd.microsoft.icon",
+    ics: "text/calendar",
+    jar: "application/java-archive",
+    jpeg: "image/jpeg ",
+    jpg: "image/jpeg",
+    jsonld: "application/ld+json",
+    mid: "audio/midi",
+    midi: "audio/midi",
+    mjs: "text/javascript",
+    mp3: "audio/mpeg",
+    mp4: "video/mp4",
+    mpeg: "video/mpeg",
+    mpkg: "application/vnd.apple.installer+xml",
+    odp: "application/vnd.oasis.opendocument.presentation",
+    ods: "application/vnd.oasis.opendocument.spreadsheet",
+    odt: "application/vnd.oasis.opendocument.text",
+    oga: "audio/ogg",
+    ogv: "video/ogg",
+    ogx: "application/ogg",
+    opus: "audio/opus",
+    otf: "font/otf",
+    png: "image/png",
+    pdf: "application/pdf",
+    php: "application/x-httpd-php",
+    ppt: "application/vnd.ms-powerpoint",
+    pptx: "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+    rar: "application/vnd.rar",
+    rtf: "application/rtf",
+    sh: "application/x-sh",
+    svg: "image/svg+xml",
+    swf: "application/x-shockwave-flash",
+    tar: "application/x-tar",
+    tif: "image/tiff",
+    tiff: "image/tiff",
+    ttf: "font/ttf",
+    vsd: "application/vnd.visio",
+    wav: "audio/wav",
+    weba: "audio/webm",
+    webm: "video/webm",
+    webp: "image/webp",
+    woff: "font/woff",
+    woff2: "font/woff2",
+    xhtml: "application/xhtml+xml",
+    xls: "application/vnd.ms-excel",
+    xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+    xml: "application/xml",
+    xul: "application/vnd.mozilla.xul+xml",
+    zip: "application/zip",
+    "3gp": "video/3gpp",
+    "3g2": "video/3gpp2",
+    "7z": "application/x-7z-compressed",
+    md: "text/markdown",
+  };
+
+  return extensionToMimeType[ext];
+}
+
 export function inferUri(value: string): JSONURIFormat | undefined {
   try {
     const url = new URL(value);
 
     // Get mimetype from extension
-    const ext = path.extname(url.pathname);
-    const mimeType = mime.lookup(ext);
+    const ext = url.pathname.split(".").pop();
+    const mimeType = lookupMimeType(ext);
 
     return {
       name: "uri",