Merge PR #1916: update preact frameworks and lockfiles

Author: krausest

frameworks/keyed/preact-classes/package-lock.json

@@ -32,6 +32,6 @@
   },
   "dependencies": {
     "@babel/plugin-transform-react-jsx": "7.25.9",
-    "preact": "10.25.2"
+    "preact": "^10.27.1"
   }
 }

frameworks/keyed/preact-classes/package.json

@@ -19,7 +19,7 @@
     "url": "https://github.com/krausest/js-framework-benchmark.git"
   },
   "dependencies": {
-    "preact": "^10.25.2"
+    "preact": "^10.27.1"
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",

frameworks/keyed/preact-hooks/package-lock.json

@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "kr-observable": "3.0.8",
-    "preact": "^10.25.0"
+    "preact": "^10.27.1"
   },
   "devDependencies": {
     "@babel/core": "7.21.8",

frameworks/keyed/preact-hooks/package.json

@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "@preact/signals": "^1.3.1",
-    "preact": "^10.25.2"
+    "preact": "^10.27.1"
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",

frameworks/keyed/preact-kr-observable/package-lock.json

@@ -30,7 +30,7 @@ const KnownIssuesList = () => {
 
 const App = () => {
   // eslint-disable-next-line no-constant-condition
-  const version = "Chrome 138.0.7204.50"
+  const version = "Chrome 139.0.7258.67"
   const disclaimer = false ? (
     <div>
       <h2>js-framework-benchmark results for {version}</h2>

frameworks/keyed/preact-kr-observable/package.json

@@ -2,6 +2,13 @@ import { jStat } from "jstat";
 import { formatEn } from "@/utils";
 import { knownIssues } from "@/helpers/issues";
 
+// Formatter for memory results with 2 decimal places
+const formatMemory = new Intl.NumberFormat("en-US", {
+  minimumFractionDigits: 2,
+  maximumFractionDigits: 2,
+  useGrouping: true,
+});
+
 export enum StatisticResult {
   SLOWER,
   UNDECIDED,
@@ -41,6 +48,14 @@ export enum BenchmarkType {
   SIZE = 5,
 }
 
+// Map of benchmark types to their corresponding formatters
+const benchmarkFormatters = new Map<BenchmarkType, Intl.NumberFormat>([
+  [BenchmarkType.CPU, formatEn],
+  [BenchmarkType.MEM, formatMemory],
+  [BenchmarkType.STARTUP, formatEn],
+  [BenchmarkType.SIZE, formatEn],
+]);
+
 const benchmarkTypes = [BenchmarkType.CPU, BenchmarkType.MEM, BenchmarkType.STARTUP, BenchmarkType.SIZE];
 
 export interface Benchmark {
@@ -463,7 +478,8 @@ export class ResultTableData {
     const confidenceInterval = 
       (1.959964 * (resultValues.standardDeviation || 0)) / Math.sqrt(resultValues.values.length);
       const confidenceIntervalStr = benchmark.type === BenchmarkType.CPU ? confidenceInterval.toFixed(1) : null;
-      const formattedValue = formatEn.format(value);
+      const formatter = benchmarkFormatters.get(benchmark.type) || formatEn;
+      const formattedValue = formatter.format(value);
 
     if (!this.compareWith || benchmark.type !== BenchmarkType.CPU) {
       return new TableResultValueEntry(