init

OpenBrowserPlugin.js

@@ -0,0 +1,49 @@
+const open = require('open');
+
+module.exports = class OpenBrowser {
+  constructor(options) {
+    if (typeof options === 'string') {
+      this.options = Object.assign(
+        {
+          hasOpen: false
+        },
+        {
+          url: options
+        }
+      );
+    } else {
+      this.options = Object.assign(
+        {
+          port: 8080,
+          host: 'localhost',
+          protocol: 'http:',
+          hasOpen: false
+        },
+        options
+      );
+    }
+  }
+
+  apply(compiler) {
+    const options = this.options;
+    let url;
+    let hasOpen = options.hasOpen;
+    if (options.protocol && !options.protocol.endsWith(':')) options.protocol += ':';
+    if (options.url) url = options.url;
+    else url = `${options.protocol}//${options.host}:${options.port}`;
+    if (compiler.hooks) {
+      compiler.hooks.afterEmit.tap('openBrowser', () => {
+        if (!hasOpen) open(url);
+        hasOpen = true;
+        this.options.hasOpen = true;
+      });
+    } else {
+      compiler.plugin('after-emit', (c, cb) => {
+        if (!hasOpen) open(url);
+        hasOpen = true;
+        this.options.hasOpen = true;
+        return cb();
+      });
+    }
+  }
+};