my demo first config lua

current_config/lua/alpha/dap/configs/javascript.lua

@@ -0,0 +1,45 @@
+require("dap-vscode-js").setup {
+  debugger_cmd = { "js-debug-adapter" },
+  adapters = { "pwa-node", "pwa-chrome", "node-terminal" },
+}
+
+for _, language in ipairs { "typescript", "javascript" } do
+  require("dap").configurations[language] = {
+    {
+      type = "pwa-node",
+      request = "launch",
+      name = "Launch file",
+      program = "${file}",
+      cwd = "${workspaceFolder}",
+    },
+    {
+      type = "pwa-node",
+      request = "attach",
+      name = "Attach",
+      processId = require("dap.utils").pick_process,
+      cwd = "${workspaceFolder}",
+    },
+  }
+end
+
+for _, language in ipairs { "typescriptreact", "javascriptreact" } do
+  require("dap").configurations[language] = {
+    {
+      type = "pwa-chrome",
+      name = "Attach - Remote Debugging",
+      request = "attach",
+      program = "${file}",
+      cwd = vim.fn.getcwd(),
+      sourceMaps = true,
+      protocol = "inspector",
+      port = 9222,
+      webRoot = "${workspaceFolder}",
+    },
+    {
+      type = "pwa-chrome",
+      name = "Launch Chrome",
+      request = "launch",
+      url = "http://localhost:3000",
+    },
+  }
+end