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import ts from "https://esm.sh/typescript@4.4.2";import * as path from "./vendor/https/deno.land/std/path/mod.ts";
const dec = new TextDecoder("utf-8");
export async function hasDefaultExportLocal(  filePath: string,): Promise<boolean> {  const body = dec.decode(await Deno.readFile(filePath));  return hasDefaultExport(body);}
export async function hasDefaultExportRemote(url: string): Promise<boolean> {  const res = await fetch(url, { redirect: "follow" });  const body = await res.text();  return hasDefaultExport(body);}
export function hasDefaultExport(body: string): boolean {  const sourceFile = ts.createSourceFile("", body, ts.ScriptTarget.ES2020);  let hasDefault = false;  sourceFile.forEachChild((node: ts.Node) => {    hasDefault = hasDefault || node.kind === ts.SyntaxKind.ExportAssignment;  });  return hasDefault;}
function removeQuotes(s: string): string {  return s.replace(/[\'\"\`]/g, "");}
const crawlImport = (filePaths: string[], sourceFile: ts.SourceFile) =>  (    node: ts.Node,  ) => {    if (node.kind === ts.SyntaxKind.ImportDeclaration) {      node.forEachChild((child: ts.Node) => {        if (child.kind === ts.SyntaxKind.StringLiteral) {          filePaths.push(removeQuotes(child.getText(sourceFile)));        }      });    }  };
async function getImportFilePaths(  dirName: string,  excludes: string[],): Promise<string[]> {  const filePaths: string[] = [];  for await (const f of Deno.readDir(dirName)) {    if (!f.name) {      continue;    }    if (f.isFile && f.name.match(/\.(js|ts)x?$/)) {      const body = await Deno.readFile(path.join(dirName, f.name));      const sourceFile = ts.createSourceFile(        f.name,        dec.decode(body),        ts.ScriptTarget.ES2020,      );      sourceFile.forEachChild(crawlImport(filePaths, sourceFile));    } else if (f.isDirectory && !excludes.includes(f.name)) {      const result = await getImportFilePaths(        path.join(dirName, f.name),        excludes,      );      filePaths.push(...result);    }  }  return filePaths;}
export async function getFormattedImportFilePaths(  dirName: string,  excludes: string[],): Promise<string[]> {  return (await getImportFilePaths(dirName, excludes))    .filter((f) => f.match(/vendor/))    .map((f) => f.replace(/^.+vendor\//, ""))    .map((f) => f.replace(/\//, "://"));}