From dfed96fddb11b6b477ee1f066a5c5cc1432a7288 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Mon, 8 Dec 2025 21:41:49 +0800
Subject: [PATCH] Update dependency n-readlines to v3 (#18447)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>
---
 package.json                       |  2 +-
 scripts/build/packages/prettier.js | 12 +++++--
 src/utilities/get-interpreter.js   | 56 ++++++++++++++++++------------
 yarn.lock                          | 10 +++---
 4 files changed, 49 insertions(+), 31 deletions(-)

diff --git a/package.json b/package.json
index b4f96427d..2a169bff4 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "meriyah": "7.0.0",
     "micromatch": "4.0.8",
     "minimist": "1.2.8",
-    "n-readlines": "1.0.1",
+    "n-readlines": "3.4.0",
     "outdent": "0.8.0",
     "oxc-parser": "0.101.0",
     "parse-json": "8.3.0",
diff --git a/scripts/build/packages/prettier.js b/scripts/build/packages/prettier.js
index c1d6484c1..14d65dd2f 100644
--- a/scripts/build/packages/prettier.js
+++ b/scripts/build/packages/prettier.js
@@ -56,9 +56,15 @@ const mainModule = {
         },
         {
           module: require.resolve("n-readlines"),
-          find: "const readBuffer = new Buffer(this.options.readChunk);",
-          replacement:
-            "const readBuffer = Buffer.alloc(this.options.readChunk);",
+          process(text) {
+            text = text.replace(
+              "const fs = require('fs')",
+              'import fs from "node:fs"',
+            );
+            text = text.replace("module.exports = ", "export default ");
+
+            return text;
+          },
         },
         // `parse-json` use another copy of `@babel/code-frame`
         {
diff --git a/src/utilities/get-interpreter.js b/src/utilities/get-interpreter.js
index f980abd66..17e19da67 100644
--- a/src/utilities/get-interpreter.js
+++ b/src/utilities/get-interpreter.js
@@ -1,36 +1,48 @@
 import readlines from "n-readlines";
+import { toPath } from "url-or-path";
+
+/**
+ * @param {string | URL} file
+ * @returns {string | undefined}
+ */
+function readFileFirstLine(file) {
+  const liner = new readlines(toPath(file));
+  const firstLineBuffer = liner.next();
+
+  if (typeof liner.fd === "number") {
+    liner.close();
+  }
+
+  return firstLineBuffer?.toString("utf8");
+}
 
 /**
  * @param {string | URL} file
  * @returns {string | undefined}
  */
 function getInterpreter(file) {
+  let firstLine;
   try {
-    const liner = new readlines(file);
-    const firstLineBuffer = liner.next();
-
-    if (firstLineBuffer === false) {
-      return;
-    }
-
-    liner.close();
-
-    const firstLine = firstLineBuffer.toString("utf8");
-
-    // #!/bin/env node, #!/usr/bin/env node
-    const m1 = firstLine.match(/^#!\/(?:usr\/)?bin\/env\s+(\S+)/u);
-    if (m1) {
-      return m1[1];
-    }
-
-    // #!/bin/node, #!/usr/bin/node, #!/usr/local/bin/node
-    const m2 = firstLine.match(/^#!\/(?:usr\/(?:local\/)?)?bin\/(\S+)/u);
-    if (m2) {
-      return m2[1];
-    }
+    firstLine = readFileFirstLine(file);
   } catch {
     // couldn't open the file
   }
+
+  if (!firstLine) {
+    return;
+  }
+
+  // #!/bin/env node, #!/usr/bin/env node
+  const m1 = firstLine.match(/^#!\/(?:usr\/)?bin\/env\s+(\S+)/u);
+  if (m1) {
+    return m1[1];
+  }
+
+  // #!/bin/node, #!/usr/bin/node, #!/usr/local/bin/node
+  const m2 = firstLine.match(/^#!\/(?:usr\/(?:local\/)?)?bin\/(\S+)/u);
+  if (m2) {
+    return m2[1];
+  }
 }
 
 export default getInterpreter;
diff --git a/yarn.lock b/yarn.lock
index 8595d530d..08e2379df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6819,10 +6819,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"n-readlines@npm:1.0.1":
-  version: 1.0.1
-  resolution: "n-readlines@npm:1.0.1"
-  checksum: 10/4f0ddcd26347040eb219d8fc8c3620ce086095a355e64791298822b5882fdd646d69b733f6c519bcadc5c64f540e8f13a399e39cfb22e80e25a16000eca7572e
+"n-readlines@npm:3.4.0":
+  version: 3.4.0
+  resolution: "n-readlines@npm:3.4.0"
+  checksum: 10/8655b550cf25023c5692705ff4c0829955bedaf89e8cdc19bf09ef35501dc31d5ac8e14b35d0e1d60bdb509c41637150e67b07aa0e4b5e6295c8031252fff507
   languageName: node
   linkType: hard
 
@@ -7606,7 +7606,7 @@ __metadata:
     meriyah: "npm:7.0.0"
     micromatch: "npm:4.0.8"
     minimist: "npm:1.2.8"
-    n-readlines: "npm:1.0.1"
+    n-readlines: "npm:3.4.0"
     nano-spawn: "npm:2.0.0"
     node-style-text: "npm:2.1.2"
     npm-run-all2: "npm:8.0.4"