feat(ext/node): implement FileHandle.readLines() (#31107)

Closes https://github.com/denoland/deno/issues/31104

ext/node/polyfills/internal/fs/handle.ts

@@ -4,6 +4,8 @@ import { EventEmitter } from "node:events";
 import { Buffer } from "node:buffer";
 import { Mode, promises, read, ReadStream, write, WriteStream } from "node:fs";
 import type { ReadAsyncOptions } from "node:fs";
+import { createInterface } from "node:readline";
+import type { Interface as ReadlineInterface } from "node:readline";
 import { core, primordials } from "ext:core/mod.js";
 export type { BigIntStats, Stats } from "ext:deno_node/_fs/_fs_stat.ts";
 import {
@@ -219,6 +221,13 @@ export class FileHandle extends EventEmitter {
     return new WriteStream(undefined, { ...options, fd: this.fd });
   }
 
+  readLines(options?: CreateReadStreamOptions): ReadlineInterface {
+    return createInterface({
+      input: this.createReadStream({ ...options, autoClose: false }),
+      crlfDelay: Infinity,
+    });
+  }
+
   [SymbolAsyncDispose]() {
     return this.close();
   }

tests/node_compat/config.toml

@@ -455,6 +455,7 @@
 "parallel/test-fs-open-numeric-flags.js" = {}
 "parallel/test-fs-open.js" = {}
 "parallel/test-fs-promises-exists.js" = {}
+"parallel/test-fs-promises-file-handle-readLines.mjs" = {}
 "parallel/test-fs-promises-readfile-empty.js" = {}
 "parallel/test-fs-promisified.js" = {}
 "parallel/test-fs-read-empty-buffer.js" = {}