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import { dim } from "https://deno.land/std@0.136.0/fmt/colors.ts";import { encode } from "https://deno.land/std@0.136.0/encoding/base64.ts";import { ensureDir } from "https://deno.land/std@0.136.0/fs/ensure_dir.ts";import { dirname } from "https://deno.land/std@0.136.0/path/mod.ts";import { compress } from "https://deno.land/x/lz4@v0.1.2/mod.ts";
async function run(cmd: string[]) {  const p = Deno.run({    cmd,    stdout: "inherit",    stderr: "inherit",  });  const status = await p.status();  p.close();  return status.success;}
Deno.chdir(dirname(new URL(import.meta.url).pathname));
if (import.meta.main) {  const ok = await run(["wasm-pack", "build", "--target", "web"]);  if (ok) {    let prevWasmSize: number;    try {      prevWasmSize = (await Deno.stat("./dist/wasm.js")).size;    } catch (_e) {      prevWasmSize = 0;    }    const wasmData = await Deno.readFile("./pkg/aleph_compiler_bg.wasm");    const jsCode = await Deno.readTextFile("./pkg/aleph_compiler.js");    await ensureDir("./dist");    await Deno.writeTextFile(      "./dist/wasm.js",      `import { decompress } from "https://deno.land/x/lz4@v0.1.2/mod.ts";\nexport default () => decompress(Uint8Array.from(atob("${        encode(compress(wasmData))      }"), c => c.charCodeAt(0)));`,    );    await Deno.writeTextFile(      "./dist/compiler.js",      "import { red } from 'https://deno.land/std@0.136.0/fmt/colors.ts';" +        jsCode          .replace(`import * as __wbg_star0 from 'env';`, "")          .replace(`imports['env'] = __wbg_star0;`, `imports['env'] = { now: () => Date.now() };`)          .replace(            "console.error(getStringFromWasm0(arg0, arg1));",            `              const msg = getStringFromWasm0(arg0, arg1);              if (msg.includes('DiagnosticBuffer(["')) {                const diagnostic = msg.split('DiagnosticBuffer(["')[1].split('"])')[0]                console.error(red("ERROR"), "swc:", diagnostic)              } else {                console.error(red("ERROR"), msg)              }            `,          ),    );    await run(["deno", "fmt", "-q", "./dist/compiler.js"]);    const wasmSize = (await Deno.stat("./dist/wasm.js")).size;    const changed = ((wasmSize - prevWasmSize) / prevWasmSize) * 100;    if (changed) {      console.log(        `${dim("[INFO]")}: wasm.js ${changed < 0 ? "-" : "+"}${Math.abs(changed).toFixed(2)}% (${          [prevWasmSize, wasmSize].filter(Boolean).map((n) => (n / (1024 * 1024)).toFixed(2) + "MB")            .join(" -> ")        })`,      );    }  }}