From 00d234aea5873cabb628dd9869bdd745e47830d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCrg=C3=BCn=20Day=C4=B1o=C4=9Flu?= <hey@gurgun.day>
Date: Wed, 4 Dec 2024 08:16:06 +0100
Subject: [PATCH 1/3] perf: always check data when looking for last char of
 needle

---
 deps/streamsearch/sbmh.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deps/streamsearch/sbmh.js b/deps/streamsearch/sbmh.js
index 79d3150..ee04a12 100644
--- a/deps/streamsearch/sbmh.js
+++ b/deps/streamsearch/sbmh.js
@@ -114,7 +114,7 @@ SBMH.prototype._sbmh_feed = function (data) {
     // or until
     //   the character to look at lies outside the haystack.
     while (pos < 0 && pos <= len - needleLength) {
-      ch = this._sbmh_lookup_char(data, pos + needleLastCharIndex)
+      ch = data[pos + needleLastCharIndex]
 
       if (
         ch === needleLastChar &&

From 00bfc197c097dbc7445ccc41b944c49fdb7fa6b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCrg=C3=BCn=20Day=C4=B1o=C4=9Flu?= <hey@gurgun.day>
Date: Wed, 4 Dec 2024 12:12:49 +0100
Subject: [PATCH 2/3] add another test

---
 test/streamsearch.test.js | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/test/streamsearch.test.js b/test/streamsearch.test.js
index f565496..b9f71af 100644
--- a/test/streamsearch.test.js
+++ b/test/streamsearch.test.js
@@ -4,7 +4,7 @@ const { test } = require('node:test')
 const Streamsearch = require('../deps/streamsearch/sbmh')
 
 test('streamsearch', async t => {
-  t.plan(18)
+  t.plan(19)
 
   await t.test('should throw an error if the needle is not a String or Buffer', t => {
     t.plan(1)
@@ -239,6 +239,34 @@ test('streamsearch', async t => {
     s.push(chunks[1])
   })
 
+  await t.test('should process two chunks with an overflowing needle /2', t => {
+    t.plan(9)
+    const expected = [
+      [false, Buffer.from('t\0\0'), 0, 1],
+      [false, Buffer.from('shello'), 0, 7]
+    ]
+    const needle = 'test'
+    const s = new Streamsearch(needle)
+    const chunks = [
+      Buffer.from('t'),
+      Buffer.from('eshello')
+    ]
+    let i = 0
+    s.on('info', (isMatched, data, start, end) => {
+      t.assert.deepStrictEqual(isMatched, expected[i][0])
+      t.assert.deepStrictEqual(data, expected[i][1])
+      t.assert.deepStrictEqual(start, expected[i][2])
+      t.assert.deepStrictEqual(end, expected[i][3])
+      i++
+      if (i >= 2) {
+        t.assert.ok('pass')
+      }
+    })
+
+    s.push(chunks[0])
+    s.push(chunks[1])
+  })
+
   await t.test('should process two chunks with a potentially overflowing needle', t => {
     t.plan(13)
 

From 3609c4575e5e55638921d319b2f73230b402c1f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCrg=C3=BCn=20Day=C4=B1o=C4=9Flu?= <hey@gurgun.day>
Date: Wed, 4 Dec 2024 12:27:29 +0100
Subject: [PATCH 3/3] fix typo

---
 test/streamsearch.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/streamsearch.test.js b/test/streamsearch.test.js
index b9f71af..75146f7 100644
--- a/test/streamsearch.test.js
+++ b/test/streamsearch.test.js
@@ -243,7 +243,7 @@ test('streamsearch', async t => {
     t.plan(9)
     const expected = [
       [false, Buffer.from('t\0\0'), 0, 1],
-      [false, Buffer.from('shello'), 0, 7]
+      [false, Buffer.from('eshello'), 0, 7]
     ]
     const needle = 'test'
     const s = new Streamsearch(needle)