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import { assert } from "https://deno.land/std@0.67.0/testing/asserts.ts";
const unpkg = "https://unpkg.com/@types/aws-lambda@8.10.59/";
// Get the index fileconst indexReq = await fetch(`${unpkg}index.d.ts`);assert(indexReq.ok);const indexFile = await indexReq.text();
// Extract all imported files from this fileconst imports = [...indexFile.matchAll(/\nexport \* from \"(.*)\";/g)].map((  match,) => match[1].replace(/^\.\//, unpkg) + ".d.ts");
let typesFile = (indexFile.split("3.0")[0] + "3.0\n\n");
const files = await Promise.all(imports.map(async (url) => {  const req = await fetch(url);  assert(req.ok);  return req.text();}));
for (const file of files) {  typesFile += file;}
typesFile = typesFile.replaceAll(  /\nimport {(.|\n)*?} from ["'](.*?)["'];?/g,  "",);
typesFile = typesFile.replace("    callback: Callback<TResult>,\n", "");typesFile = typesFile.replace("void | Promise<TResult>", "Promise<TResult>");
typesFile = typesFile.replace(/\n\/\*\*\n \* NodeJS-style(.|\n)*?\nexport type Callback(.|\n)*?;/, "");
typesFile = typesFile.replaceAll(  /\nexport type (.*?) =[\n ]*Callback<(.*?)>;/g,  "",);typesFile = typesFile.replaceAll(  /\nexport type (.*?)Callback = .*?;/g,  "",);
typesFile = typesFile.replaceAll(  /\n\n\/\/(.*?)\n\n/g,  "\n\n",);
Deno.writeTextFileSync("./types.d.ts", typesFile);

// This file generates mod.ts from types.d.tsconst types = [...typesFile.matchAll(/export (type|interface) (.*?)\s/g)].map((  match,) => match[2].replaceAll(/<(.*)$/g, "")).filter((t) => !t.includes("Callback"))  .sort();
Deno.writeTextFileSync(  "./mod.ts",  `export type {\n  ${types.join(",\n  ")}\n } from \"./types.d.ts\";\n`,);
await Deno.run({ cmd: ["deno", "fmt", "mod.ts", "types.d.ts"] }).status()