chore: use sync file io to read and write json (#51)

Author: Timeless0911

scripts/src/plugins/rsbuild/measure-rspress-build-plugin.ts

@@ -25,7 +25,9 @@ export const measureRspressBuildPlugin = () => ({
     api.onAfterBuild(async () => {
       const buildTime = performance.now() - beforeBuildTime;
       metrics.buildColdBootTime = buildTime;
-      await saveMetrics(metrics);
+      if (api.context.target === 'web') {
+        await saveMetrics(metrics);
+      }
     });
 
     api.onBeforeStartDevServer(() => {

scripts/src/shared/fs.ts

@@ -7,6 +7,8 @@ import {
   outputJson,
   outputFile,
   pathExists,
+  readJsonSync,
+  outputJsonSync,
 } from 'fs-extra';
 import logger from 'consola';
 import type { Metrics } from './types';
@@ -65,17 +67,17 @@ export async function saveMetrics(metrics: Metrics) {
   const { jsonPath, jsonName } = await getMetricsPath(PRODUCT_NAME, CASE_NAME);
 
   if (await pathExists(jsonPath)) {
-    const content: Metrics[] = await readJson(jsonPath);
+    const content: Metrics[] = readJsonSync(jsonPath);
 
     if (content[index]) {
       Object.assign(content[index], metrics);
     } else {
       content.push(metrics);
     }
 
-    await outputJson(jsonPath, content, { spaces: 2 });
+    outputJsonSync(jsonPath, content, { spaces: 2 });
   } else {
-    await outputJson(jsonPath, [metrics], { spaces: 2 });
+    outputJsonSync(jsonPath, [metrics], { spaces: 2 });
   }
 
   logger.success(`Successfully write metrics to ${jsonName}.`);