مرجع واجهة ⁦node:fs⁩

import fs from "node:fs";
import os from "node:os";
import path from "node:path";

const dir = fs.mkdtempSync(path.join(os.tmpdir(), "elide-fs-"));
const file = path.join(dir, "hello.txt");

try {
  fs.writeFileSync(file, "hello\n");
  console.log(fs.readFileSync(file, "utf8"));
  console.log(fs.statSync(file).isFile());
} finally {
  fs.rmSync(dir, { recursive: true, force: true });
}

import os from "node:os";
import path from "node:path";
import { mkdtemp, open, rm, writeFile } from "node:fs/promises";

const dir = await mkdtemp(path.join(os.tmpdir(), "elide-fs-"));
try {
  const file = path.join(dir, "data.txt");
  await writeFile(file, "hello\n");

  const handle = await open(file, "r");
  try {
    const buffer = Buffer.alloc(64);
    const { bytesRead } = await handle.read(buffer, 0, buffer.length, 0);
    console.log(buffer.subarray(0, bytesRead).toString());
  } finally {
    await handle.close();
  }
} finally {
  await rm(dir, { recursive: true, force: true });
}

import { writeFile } from "node:fs/promises";
import { Readable } from "node:stream";

await writeFile("out.txt", Readable.from(["a", "b", "c"]));

import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { pipeline } from "node:stream/promises";

const dir = fs.mkdtempSync(path.join(os.tmpdir(), "elide-fs-"));
try {
  const input = path.join(dir, "input.log");
  const output = path.join(dir, "copy.log");
  fs.writeFileSync(input, "first\nsecond\n");

  await pipeline(fs.createReadStream(input), fs.createWriteStream(output));
  console.log(fs.readFileSync(output, "utf8"));
} finally {
  fs.rmSync(dir, { recursive: true, force: true });
}

import fs from "node:fs";

const watcher = fs.watch(".", (event, name) => {
  console.log(event, name); // rename new.txt
  watcher.close();
});
setTimeout(() => fs.writeFileSync("new.txt", "hello"), 100);