From b4cfd8808117ab53ceb5d1ee2a615b1fabee6ad2 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sun, 14 Jun 2026 23:20:15 +0000
Subject: [PATCH] perf: optimize getSubWords by replacing array spread with
 push

Co-authored-by: lemononmars <26631189+lemononmars@users.noreply.github.com>
---
 src/lib/utils/thaiwords.ts | 82 +++++++++++++++++++-------------------
 1 file changed, 40 insertions(+), 42 deletions(-)

diff --git a/src/lib/utils/thaiwords.ts b/src/lib/utils/thaiwords.ts
index 64375e1..a2cd23d 100644
--- a/src/lib/utils/thaiwords.ts
+++ b/src/lib/utils/thaiwords.ts
@@ -1,77 +1,75 @@
-import dict from '$lib/utils/dict'
+import dict from '$lib/utils/dict';
 
 export function splitWord(word: string) {
-   var alphas = word.split("");
-   var out: string[] = [];
-   alphas.forEach(function (a) {
-       if (a.match(/[ก-ฮ]/) || a.match(/[ใเแโไาำะๆฯฤา]/) || a.match(/[\.\*\/]/)) {
-           out.push(a);
-       }
-       else {
-           out[out.length - 1] += a;
-       }
-   });
-   return out;
+	var alphas = word.split('');
+	var out: string[] = [];
+	alphas.forEach(function (a) {
+		if (a.match(/[ก-ฮ]/) || a.match(/[ใเแโไาำะๆฯฤา]/) || a.match(/[\.\*\/]/)) {
+			out.push(a);
+		} else {
+			out[out.length - 1] += a;
+		}
+	});
+	return out;
 }
 
 export function isLegal(a: string) {
-   return a.length == 1 && a.match(/[\u0E00-\u0E4C]/) !== null
+	return a.length == 1 && a.match(/[\u0E00-\u0E4C]/) !== null;
 }
 
 export function appendable(a: string, b: string) {
-   return a.match(consonantRegex) && (b.match(upperLetterRegex) || b.match(lowerLetterRegex))
+	return a.match(consonantRegex) && (b.match(upperLetterRegex) || b.match(lowerLetterRegex));
 }
 
 export function isUpper(a: string) {
-    return a.match(upperLetterRegex) !== null
+	return a.match(upperLetterRegex) !== null;
 }
 
 export function isLower(a: string) {
-    return a.match(lowerLetterRegex) !== null
+	return a.match(lowerLetterRegex) !== null;
 }
 
 export function isMiddle(a: string) {
-    return a.match(/[ก-ฮ]/) || a.match(/[ใเแโไาำะๆฯฤา]/)
+	return a.match(/[ก-ฮ]/) || a.match(/[ใเแโไาำะๆฯฤา]/);
 }
 
 export function isTall(a: string) {
-    return a === 'ใ' || a === 'ไ' || a === 'โ'
+	return a === 'ใ' || a === 'ไ' || a === 'โ';
 }
 
 export function wordLength(word: string) {
-  return word.replace(/[\u0E31\u0E34-\u0E3A\u0E47-\u0E4E]/g, "").length
+	return word.replace(/[\u0E31\u0E34-\u0E3A\u0E47-\u0E4E]/g, '').length;
 }
 
 export function getFirstLetter(word: string) {
-  for(var l of word.split(""))
-    if(l.match(/[ก-ฮ]/)) return l
-  return ""
+	for (var l of word.split('')) if (l.match(/[ก-ฮ]/)) return l;
+	return '';
 }
 
-export const consonantRegex = /[\u0E01-\u0E2E]/
-export const upperLetterRegex = /[\u0E31\u0E34-\u0E37\u0E47-\u0E4C`]/
-export const lowerLetterRegex = /[\u0E38-\u0E39]/
+export const consonantRegex = /[\u0E01-\u0E2E]/;
+export const upperLetterRegex = /[\u0E31\u0E34-\u0E37\u0E47-\u0E4C`]/;
+export const lowerLetterRegex = /[\u0E38-\u0E39]/;
 
 export function search(word: string) {
-    return dict.includes(word)
+	return dict.includes(word);
 }
 
 export function getSubWords(word: string, allowRepeat: boolean = true) {
-    let subWords: string[] = []
+	let subWords: string[] = [];
 
-    if(allowRepeat)
-        for(const w of dict) {
-            if(w.split("").every(l => word.includes(l))) {
-                subWords = [...subWords, w]
-            }
-        }
-    else
-        for(const w of dict) {
-            const a = w.split("")
-            if(new Set(a).size == a.length && a.every(l => word.includes(l))) {
-                subWords = [...subWords, w]
-            }
-        }
+	if (allowRepeat)
+		for (const w of dict) {
+			if (w.split('').every((l) => word.includes(l))) {
+				subWords.push(w);
+			}
+		}
+	else
+		for (const w of dict) {
+			const a = w.split('');
+			if (new Set(a).size == a.length && a.every((l) => word.includes(l))) {
+				subWords.push(w);
+			}
+		}
 
-    return subWords
-}
\ No newline at end of file
+	return subWords;
+}