feat: 使用重试机制，防止提前kill

package.json

@@ -1,6 +1,6 @@
 {
     "name": "mpbuild",
-    "version": "1.2.7",
+    "version": "1.2.8",
     "description": "",
     "main": "src/index.js",
     "scripts": {
@@ -58,6 +58,7 @@
         "micromatch": "^3.1.10",
         "moment": "^2.18.1",
         "p-queue": "^6.0.2",
+        "p-retry": "^4.1.0",
         "tapable": "^1.1.3",
         "tsc-watch": "^2.2.1",
         "watchpack": "^1.6.0"

src/plugin/minifyPlugin.js

@@ -5,9 +5,20 @@
 // const jsonminify = require('jsonminify');
 // const htmlmin = require('html-minifier');
 const workerpool = require('workerpool');
+const pRetry = require('p-retry');
 
 const pool = workerpool.pool();
 
+function clearPool() {
+    const poolStats = pool.stats();
+    console.log(poolStats);
+    if (poolStats.busyWorkers > 0) {
+        throw new Error(`busyWorkers count is ${poolStats.busyWorkers}`);
+    }
+    pool.terminate(true);
+    return 0;
+}
+
 function minifyJS(contents) {
     const UglifyJS = require('uglify-js');
     const result = UglifyJS.minify(contents);
@@ -77,8 +88,14 @@ module.exports = class MinifyPlugin {
             });
             mpb.hooks.afterCompile.tapPromise('MinifyPlugin', async () => {
                 if (!mpb.isWatch) {
-                    console.log(pool.stats());
-                    pool.terminate(true);
+                    await pRetry(clearPool, {
+                        onFailedAttempt: (error) => {
+                            console.log(
+                                `Attempt clear pool ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`
+                            );
+                        },
+                        retries: Number.MAX_SAFE_INTEGER
+                    });
                 }
             });
         }