feat(scripts): open dumi dev server once (#33)

scripts/umi.js

@@ -1,24 +1,27 @@
 /* eslint-disable @typescript-eslint/no-var-requires */
-const { fork } = require('child_process');
+const { fork } = require("child_process");
+
+function once(fn) {
+  let flag = false;
+  return function (...args) {
+    if (flag) return;
+    flag = true;
+    fn.apply(this, args)
+  };
+}
+
+const onceDumiDev = once((port) => {
+  fork(`${process.cwd()}/node_modules/dumi/bin/dumi.js`, [
+    "dev",
+    `${port}`,
+  ]);
+})
 
 module.exports = {
-  name: 'umi',
+  name: "umi",
   contribute: (registry) => {
-    // const logger = injector.get(Symbol.for('ILogger'));
     registry.hooks.onCreateDevServer(({ devServer }) => {
-      devServer.on('done', () => {
-        fork(`${process.cwd()}/node_modules/dumi/bin/dumi.js`, ['dev', `${devServer.port}`]);
-      });
+      devServer.on("done", ()=>onceDumiDev(devServer.port));
     });
-
-    // registry.hooks.onDidRunLocalBuild(() => {
-    //   logger.silent = true;
-    //   console.log(`\n\n\n\n${chalk.green.bold('umi build ...')}`);
-    //   const sp = spawnSync(`${process.cwd()}/node_modules/dumi/bin/dumi.js`, ['build']);
-    //   if (sp.status === 0) {
-    //     console.log('-------------------------------------');
-    //     console.log(`${chalk.green.bold('umi build finish')}`);
-    //   }
-    // });
   },
 };