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import { build, Parser } from "./mod.ts";import {  assert,  assertEquals,  assertRejects,} from "https://deno.land/std@0.123.0/testing/asserts.ts";
Deno.test("roundtrip build + parse", async () => {  const eszip = await build([    "https://example.com/mod.ts",    "https://example.com/a.ts",    "external:main.js",  ], async (specifier: string) => {    if (specifier === "external:main.js") {      return {        kind: "external",        specifier,      };    }
    if (specifier === "https://example.com/a.ts") {      return {        kind: "module",        specifier,        headers: {          "content-type": "text/typescript",        },        content: "export const a = 1;",      };    }
    return {      kind: "module",      specifier: "https://example.com/mod.ts",      headers: {        "content-type": "application/typescript",      },      content: `import "https://example.com/a.ts";`,    };  });
  assert(eszip instanceof Uint8Array);  const parser = await Parser.createInstance();  const specifiers = await parser.parseBytes(eszip);  assertEquals(specifiers.sort(), [    "https://example.com/a.ts",    "https://example.com/mod.ts",  ]);
  await parser.load();  const mod = await parser.getModuleSource("https://example.com/mod.ts");  assertEquals(mod, 'import "https://example.com/a.ts";\n');  const a = await parser.getModuleSource("https://example.com/a.ts");  assertEquals(a, "export const a = 1;\n");});
Deno.test("build default loader", async () => {  const eszip = await build(["https://deno.land/std@0.123.0/fs/mod.ts"]);  assert(eszip instanceof Uint8Array);});
Deno.test("build with import map", async () => {  const eszip = await build(["data:application/javascript,import 'std/fs/mod.ts'"], undefined, "data:application/json,{\"imports\":{\"std/\":\"https://deno.land/std/\"}}");  assert(eszip instanceof Uint8Array);});
Deno.test("loader errors", async () => {  await assertRejects(    () =>      build(        ["https://deno.land/std@0.123.0/fs/mod.ts"],        (specifier: string) => Promise.reject(new Error("oops")),      ),    undefined,    "oops",  );});