fix the duration stats

binding/javascript/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ip2region.js",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "official javascript binding for ip2region with both IPv4 and IPv6 supported ",
   "type": "module",
   "main": "index.js",
@@ -40,6 +40,7 @@
     "@types/jest": "^30.0.0",
     "argparse": "^2.0.1",
     "jest": "^30.2.0",
+    "n-readlines": "^1.0.1",
     "ts-jest": "^29.4.5",
     "typescript": "^5.9.3"
   }

binding/javascript/tests/bench.app.js

@@ -7,7 +7,7 @@
 
 import * as xdb from '../index.js';
 import {ArgumentParser} from 'argparse';
-import readline from 'node:readline';
+import LineByLine from 'n-readlines';
 import fs from 'fs';
 
 
@@ -82,7 +82,7 @@ const _split = (line) => {
     return ps;
 }
 
-const main = () => {
+const main = async () => {
     if (dbPath.length < 1 || srcPath.length < 1) {
         parser.print_help();
         return;
@@ -91,16 +91,12 @@ const main = () => {
     const searcher = createSearcher();
     console.log(`Searcher: ${searcher.toString()}`);
 
-    let totalMicroSecs = 0, count = 0;
-
     // read the source line and do the search bench
-    const rl = readline.createInterface({
+    let totalMicroSecs = 0, count = 0, line = null;
-        input: fs.createReadStream(srcPath),
+    const rl = new LineByLine(srcPath);
-        crlfDelay: Infinity
+    while (line = rl.next()) {
-    });
+        const ps  = _split(line.toString('utf-8'));
-    rl.on('line', async (l) => {
+        const sTime  = process.hrtime();
-        const ps  = _split(l);
-        const st  = process.hrtime();
         const sip = xdb.parseIP(ps[0]);
         const eip = xdb.parseIP(ps[1]);
         if (xdb.ipCompare(sip, eip) > 0) {
@@ -115,19 +111,14 @@ const main = () => {
             }
             count++;
         }
+        const diff = process.hrtime(sTime);
+        const took = diff[0] * 1_000_000 + diff[1] / 1e3;
+        totalMicroSecs += took;
+    }
 
-        const diff = process.hrtime(st);
+    const tookSec = totalMicroSecs / 1e6;
-        totalMicroSecs += (diff[0] * 1_000_1000 + diff[1] / 1e6);
-    }).on('error', (err) => {
-        console.log(err);
-        process.exit(1);
-    });
-
-    process.on('exit', (code) => {
-        const tookSec = totalMicroSecs / 1_000_000;
     const _eachUs = count == 0 ? 0 : totalMicroSecs / count;
-        console.log(`Bench finished, {cachePolicy: ${cachePolicy}, total: ${count}, took: ${tookSec} s, cost: ${_eachUs} µs/op}`);
+    console.log(`Bench finished, {cachePolicy: ${cachePolicy}, total: ${count}, took: ${tookSec} s, cost: ${_eachUs} μs/op}`);
-    });
 }
 
 main();

binding/javascript/tests/search.app.js

@@ -8,8 +8,6 @@
 import * as xdb from '../index.js';
 import {ArgumentParser} from 'argparse';
 import fs from 'fs';
-import { parseIP } from '../util.js';
-
 
 const parser = new ArgumentParser({
     add_help: true,
@@ -62,10 +60,10 @@ const createSearcher = () => {
 
 const readlineSync = () => {
     return new Promise((resolve, reject) => {
-        process.stdin.resume()
+        process.stdin.resume();
         process.stdin.on('data', (buff) => {
             process.stdin.pause();
-            resolve(buff.toString('utf-8'))
+            resolve(buff.toString('utf-8'));
         });
     });
 }
@@ -95,7 +93,6 @@ type 'quit' to exit`);
         }
 
         // parse the ip address
-        const sTime = process.hrtime();
         let ipBytes = null;
         try {
             ipBytes = xdb.parseIP(ipString);
@@ -105,6 +102,7 @@ type 'quit' to exit`);
         }
 
         // do the search
+        const sTime = process.hrtime();
         let region = null;
         try {
             region = await searcher.search(ipBytes);
@@ -114,7 +112,7 @@ type 'quit' to exit`);
         }
 
         const diff = process.hrtime(sTime);
-        const took = diff[0] * 1_000_000 + diff[1] / 1e6;
+        const took = diff[0] * 1_000_000 + diff[1] / 1e3;
         console.log(`{region: ${region}, ioCount: ${searcher.getIOCount()}, took: ${took} μs}`);
     }
 }