feat: integrate Pi backend and Pi Web

pi-web/bin/pi-web-options.js

@@ -0,0 +1,30 @@
+"use strict";
+
+// eslint-disable-next-line @typescript-eslint/no-require-imports
+const { parseArgs } = require("util");
+
+const TRUE_VALUES = new Set(["1", "true", "yes", "on"]);
+
+function isEnabled(value) {
+  return typeof value === "string" && TRUE_VALUES.has(value.trim().toLowerCase());
+}
+
+function parseLaunchOptions(args = process.argv.slice(2), env = process.env) {
+  const { values: cliArgs } = parseArgs({
+    args,
+    options: {
+      port:      { type: "string", short: "p" },
+      hostname:  { type: "string", short: "H" },
+      "no-open": { type: "boolean" },
+    },
+    strict: false,
+  });
+
+  return {
+    port: cliArgs.port ?? env.PORT ?? "30141",
+    hostname: cliArgs.hostname ?? env.PI_WEB_HOSTNAME ?? "127.0.0.1",
+    openBrowser: !cliArgs["no-open"] && !isEnabled(env.PI_WEB_NO_OPEN),
+  };
+}
+
+module.exports = { parseLaunchOptions };