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import { exists } from "https://deno.land/std@0.122.0/fs/exists.ts";import {  fromFileUrl,  isAbsolute,  resolve,} from "https://deno.land/std@0.122.0/path/mod.ts";import { Loader } from "./index.ts";
export interface CreateLoaderConfig {  roots: string[];}export function createLoader(  config: CreateLoaderConfig,): Loader {  return {    async load(path) {      if (isFileUrl(path) || isAbsolute(path)) {        const filePath = _fromFileUrl(path);        const absolutePath = _resolve(filePath);        if (!await exists(filePath)) return null;        return { absolutePath, data: await Deno.readTextFile(filePath) };      }      for (const root of config.roots) {        const absolutePath = _resolve(root, path);        const filePath = _fromFileUrl(absolutePath);        if (!await exists(filePath)) continue;        return { absolutePath, data: await Deno.readTextFile(filePath) };      }      return null;    },  };}
function isFileUrl(path: string): boolean {  return path.startsWith("file://");}
function _resolve(absolutePath: string, subPath: string = ""): string {  return "file://" + resolve(_fromFileUrl(absolutePath), subPath);}
function _fromFileUrl(path: string): string {  if (!isFileUrl(path)) return path;  return fromFileUrl(path);}