support basePath

__snapshots__/generate.test.js.snap

@@ -1,5 +1,32 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`generate custom routes for example project 1`] = `
+"
+location ~ ^/next(?:/)?$ {
+    try_files /index.html /index.html;
+}
+
+location ~ ^/next/hello(?:/)?$ {
+    try_files /hello.html /index.html;
+}
+
+location ~ ^/next/hello/world(?:/)?$ {
+    try_files /hello/world.html /index.html;
+}
+
+location ~ ^/next/([^/]+?)(?:/)?$ {
+    try_files /[foo].html /index.html;
+}
+
+location ~ ^/next/([^/]+?)/([^/]+?)/hello(?:/)?$ {
+    try_files /[foo]/[bar]/hello.html /index.html;
+}
+
+location ~ ^/next/([^/]+?)/([^/]+?)/([^/]+?)(?:/)?$ {
+    try_files /[foo]/[bar]/[id].html /index.html;
+}"
+`;
+
 exports[`generate routes for example project 1`] = `
 "
 location ~ ^/(?:/)?$ {

example/next.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  basePath: process.env.BASE_PATH || ''
+}

example/package.json

@@ -7,10 +7,9 @@
   },
   "devDependencies": {
     "eslint": "^8.26.0",
-    "eslint-config-next": "^13.0.0",
-    "next-nginx-routes": "./.."
+    "eslint-config-next": "^13.0.0"
   },
   "scripts": {
-    "export": "next build && next export && next-nginx-routes"
+    "export": "next build && next export && node ../generate.js"
   }
 }

generate.js

@@ -10,12 +10,25 @@ const manifest = JSON.parse(readFileSync(routesManifest, "utf8"));
 const routes = manifest.staticRoutes
   .concat(manifest.dynamicRoutes)
   .map((route) => {
+    const basePath = manifest.basePath || "";
+
+    let page = route.page;
+    let regex = route.regex;
+
     if (route.page === "/") {
-      route.page = "/index";
+      page = "/index";
     }
+
+    if (basePath) {
+      regex =
+        route.regex.slice(0, 1) +
+        basePath +
+        route.regex.slice(route.page === "/" ? 2 : 1);
+    }
+
     return `
-location ~ ${route.regex} {
-    try_files ${route.page}.html /index.html;
+location ~ ${regex} {
+    try_files ${page}.html /index.html;
 }`;
   });
 

generate.test.js

@@ -7,3 +7,8 @@ test("generate routes for example project", () => {
   execSync("cd example && npm run export");
   expect(readFileSync("./example/next-routes.conf", "utf8")).toMatchSnapshot();
 });
+
+test("generate custom routes for example project", () => {
+  execSync("cd example && export BASE_PATH=/next && npm run export");
+  expect(readFileSync("./example/next-routes.conf", "utf8")).toMatchSnapshot();
+});