fix: child process running port had used

Author: sky

lib/child-process.js

@@ -9,9 +9,8 @@ process.on('message', m => {
     const baseDir = m.baseDir;
     const target = m.target;
     const webpackConfig = utils.getWebpackConfig(config, { baseDir, target });
-    const EASY_ENV_DEV_PORT = process.env.EASY_ENV_DEV_PORT;
-    const webPort = Number(EASY_ENV_DEV_PORT || m.port);
-    const nodePort = Number(EASY_ENV_DEV_PORT || m.port) + 1;
+    const webPort = utils.getPort(m.port);
+    const nodePort = webPort + 1;
     const port = target === 'web' ? webPort : nodePort;
     const webpackTool = new WebpackTool({ port });
     compiler = webpackTool.createWebpackCompiler(webpackConfig, () => {

lib/utils.js

@@ -3,6 +3,15 @@ const path = require('path');
 const fs = require('fs');
 const IMG_REGEX = /\.(png|jpe?g|gif|svg)(\?.*)?$/;
 const PKG_PREFIX = '@easy-team';
+
+exports.getPkgInfo = baseDir => {
+  const pkgFile = path.join(baseDir || process.cwd(), 'package.json');
+  if (fs.existsSync(pkgFile)) {
+    return require(pkgFile);
+  }
+  return {};
+};
+
 exports.readWebpackMemoryFile = (compiler, filePath) => {
   const compilerList = Array.isArray(compiler) ? compiler : [compiler];
   for (let i = 0; i < compilerList.length; i++) {
@@ -131,6 +140,10 @@ exports.normalizeProxyUrlFile = (app, url) => {
   return path.join(app.baseDir, url);
 };
 
+// fix child process running mutil count
 exports.getPort = port => {
-  return Number(process.env.EASY_ENV_DEV_PORT || port);
-};
+  const pkgInfo = exports.getPkgInfo();
+  const name = pkgInfo.name || 'webpack-project';
+  const EASY_ENV_DEV_PORT = `EASY_ENV_DEV_PORT_${name}`;
+  return Number(process.env[EASY_ENV_DEV_PORT] || port);
+};