fix(imports): remove node imports to fix browser bundle

Author: jonluca

lib/resolvers/file.ts

@@ -1,4 +1,3 @@
-import fs from "fs";
 import * as url from "../util/url.js";
 import { ResolverError } from "../util/errors.js";
 import type { JSONSchema, ResolverOptions } from "../types/index.js";
@@ -24,6 +23,7 @@ export default {
    */
   async read(file: FileInfo): Promise<Buffer> {
     let path: string | undefined;
+    const fs = await import("fs");
     try {
       path = url.toFileSystemPath(file.url);
     } catch (err: any) {

lib/util/convert-path-to-posix.ts

@@ -1,5 +1,3 @@
-import path from "path";
-
 const win32Sep = "\\";
 export default function convertPathToPosix(filePath: string) {
   const isExtendedLengthPath = filePath.startsWith("\\\\?\\");
@@ -8,5 +6,5 @@ export default function convertPathToPosix(filePath: string) {
     return filePath;
   }
 
-  return filePath.split(win32Sep).join(path?.posix?.sep ?? "/");
+  return filePath.split(win32Sep).join("/");
 }

lib/util/url.ts

@@ -1,12 +1,10 @@
 import convertPathToPosix from "./convert-path-to-posix.js";
-import path from "path";
 
 const forwardSlashPattern = /\//g;
 const protocolPattern = /^(\w{2,}):\/\//i;
 const jsonPointerSlash = /~1/g;
 const jsonPointerTilde = /~0/g;
 
-import { join } from "path";
 import { isWindows } from "./is-windows.js";
 
 const isAbsoluteWin32Path = /^[a-zA-Z]:\\/;
@@ -399,6 +397,13 @@ export function fromFileSystemPath(path: string) {
       path.startsWith("file://");
 
     if (!(hasProjectDir || hasProjectUri || isAbsolutePath) && !projectDir.startsWith("http")) {
+      const join = (a: string, b: string) => {
+        if (a.endsWith("/") || a.endsWith("\\")) {
+          return a + b;
+        } else {
+          return a + "/" + b;
+        }
+      };
       path = join(projectDir, path);
     }
     path = convertPathToPosix(path);
@@ -487,15 +492,3 @@ export function safePointerToPath(pointer: string) {
       return value.replace(jsonPointerSlash, "/").replace(jsonPointerTilde, "~");
     });
 }
-
-export function relative(from: string, to: string) {
-  if (!isFileSystemPath(from) || !isFileSystemPath(to)) {
-    return resolve(from, to);
-  }
-
-  const fromDir = path.dirname(stripHash(from));
-  const toPath = stripHash(to);
-
-  const result = path.relative(fromDir, toPath);
-  return result + getHash(to);
-}