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Fix dynamic routes with pages under index folder #32440

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merged 6 commits into from Dec 13, 2021

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huozhi
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@huozhi huozhi commented Dec 13, 2021

Fixes incorrect generated manifest and generated directory for index/[...dynamic] pages

Too much normalizing adding extra index/ prefix to index/[...dynamic] routes which lead to the incorrected generated routes like .next/server/pages/index/index/index/[...dynamic]

Bug

Fixes https://github.com/vercel/customer-issues/issues/146

  • Related issues linked using fixes #number
  • Integration tests added
  • Errors have helpful link attached, see contributing.md

@ijjk ijjk added created-by: Next.js team PRs by the Next.js team type: next labels Dec 13, 2021
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@huozhi huozhi marked this pull request as ready for review December 13, 2021 15:16
Co-authored-by: JJ Kasper <jj@jjsweb.site>
@huozhi huozhi requested a review from ijjk December 13, 2021 18:37
ijjk
ijjk previously approved these changes Dec 13, 2021
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ijjk commented Dec 13, 2021

Failing test suites

Commit: 1676ece

test/integration/react-streaming-and-server-components/test/index.test.js

  • concurrentFeatures - dev > should support next/link
Expand output

● concurrentFeatures - dev › should support next/link

expect(received).toBe(expected) // Object.is equality

Expected: 1
Received: undefined

  259 |     )
  260 |     const dynamicRouteHTML2 = await renderViaHTTP(
> 261 |       context.appPort,
      |                       ^
  262 |       '/routes/dynamic2'
  263 |     )
  264 |

  at Object.<anonymous> (integration/react-streaming-and-server-components/test/index.test.js:261:56)

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ijjk commented Dec 13, 2021

Stats from current PR

Default Build (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
buildDuration 18.1s 18.4s ⚠️ +268ms
buildDurationCached 3.5s 3.4s -74ms
nodeModulesSize 350 MB 350 MB ⚠️ +701 B
Page Load Tests Overall increase ✓
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
/ failed reqs 0 0
/ total time (seconds) 2.872 2.943 ⚠️ +0.07
/ avg req/sec 870.56 849.33 ⚠️ -21.23
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.367 1.337 -0.03
/error-in-render avg req/sec 1829.07 1869.98 +40.91
Client Bundles (main, webpack, commons) Overall increase ⚠️
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.2 kB 42.2 kB
main-HASH.js gzip 28.9 kB 30.2 kB ⚠️ +1.21 kB
webpack-HASH.js gzip 1.45 kB 1.45 kB
Overall change 72.8 kB 74 kB ⚠️ +1.21 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
_app-HASH.js gzip 1.37 kB 1.37 kB
_error-HASH.js gzip 194 B 194 B
amp-HASH.js gzip 312 B 312 B
css-HASH.js gzip 326 B 326 B
dynamic-HASH.js gzip 2.39 kB 2.39 kB
head-HASH.js gzip 350 B 350 B
hooks-HASH.js gzip 919 B 919 B
image-HASH.js gzip 4.73 kB 4.73 kB
index-HASH.js gzip 263 B 263 B
link-HASH.js gzip 2.13 kB 2.13 kB
routerDirect..HASH.js gzip 321 B 321 B
script-HASH.js gzip 383 B 383 B
withRouter-HASH.js gzip 318 B 318 B
85e02e95b279..7e3.css gzip 107 B 107 B
Overall change 14.1 kB 14.1 kB
Client Build Manifests
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
_buildManifest.js gzip 459 B 459 B
Overall change 459 B 459 B
Rendered Page Sizes Overall increase ⚠️
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
index.html gzip 531 B 532 B ⚠️ +1 B
link.html gzip 545 B 547 B ⚠️ +2 B
withRouter.html gzip 526 B 527 B ⚠️ +1 B
Overall change 1.6 kB 1.61 kB ⚠️ +4 B

Diffs

Diff for main-HASH.js
@@ -6525,6 +6525,55 @@
       /***/
     },
 
+    /***/ 418: /***/ function(
+      __unused_webpack_module,
+      exports,
+      __webpack_require__
+    ) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      Object.defineProperty(exports, "getMiddlewareRegex", {
+        enumerable: true,
+        get: function get() {
+          return _getMiddlewareRegex.getMiddlewareRegex;
+        }
+      });
+      Object.defineProperty(exports, "getRouteMatcher", {
+        enumerable: true,
+        get: function get() {
+          return _routeMatcher.getRouteMatcher;
+        }
+      });
+      Object.defineProperty(exports, "getRouteRegex", {
+        enumerable: true,
+        get: function get() {
+          return _routeRegex.getRouteRegex;
+        }
+      });
+      Object.defineProperty(exports, "getSortedRoutes", {
+        enumerable: true,
+        get: function get() {
+          return _sortedRoutes.getSortedRoutes;
+        }
+      });
+      Object.defineProperty(exports, "isDynamicRoute", {
+        enumerable: true,
+        get: function get() {
+          return _isDynamic.isDynamicRoute;
+        }
+      });
+      var _getMiddlewareRegex = __webpack_require__(9820);
+      var _routeMatcher = __webpack_require__(3888);
+      var _routeRegex = __webpack_require__(4095);
+      var _sortedRoutes = __webpack_require__(3907);
+      var _isDynamic = __webpack_require__(8689); //# sourceMappingURL=index.js.map
+
+      /***/
+    },
+
     /***/ 8689: /***/ function(__unused_webpack_module, exports) {
       "use strict";
 
@@ -6850,6 +6899,345 @@
       /***/
     },
 
+    /***/ 3907: /***/ function(__unused_webpack_module, exports) {
+      "use strict";
+
+      function _arrayLikeToArray(arr, len) {
+        if (len == null || len > arr.length) len = arr.length;
+        for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+        return arr2;
+      }
+      function _arrayWithoutHoles(arr) {
+        if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+      }
+      function _classCallCheck(instance, Constructor) {
+        if (!(instance instanceof Constructor)) {
+          throw new TypeError("Cannot call a class as a function");
+        }
+      }
+      function _defineProperties(target, props) {
+        for (var i = 0; i < props.length; i++) {
+          var descriptor = props[i];
+          descriptor.enumerable = descriptor.enumerable || false;
+          descriptor.configurable = true;
+          if ("value" in descriptor) descriptor.writable = true;
+          Object.defineProperty(target, descriptor.key, descriptor);
+        }
+      }
+      function _createClass(Constructor, protoProps, staticProps) {
+        if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+        if (staticProps) _defineProperties(Constructor, staticProps);
+        return Constructor;
+      }
+      function _iterableToArray(iter) {
+        if (
+          (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null) ||
+          iter["@@iterator"] != null
+        )
+          return Array.from(iter);
+      }
+      function _nonIterableSpread() {
+        throw new TypeError(
+          "Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
+        );
+      }
+      function _toConsumableArray(arr) {
+        return (
+          _arrayWithoutHoles(arr) ||
+          _iterableToArray(arr) ||
+          _unsupportedIterableToArray(arr) ||
+          _nonIterableSpread()
+        );
+      }
+      function _unsupportedIterableToArray(o, minLen) {
+        if (!o) return;
+        if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+        var n = Object.prototype.toString.call(o).slice(8, -1);
+        if (n === "Object" && o.constructor) n = o.constructor.name;
+        if (n === "Map" || n === "Set") return Array.from(n);
+        if (
+          n === "Arguments" ||
+          /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)
+        )
+          return _arrayLikeToArray(o, minLen);
+      }
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.getSortedRoutes = getSortedRoutes;
+      var UrlNode = /*#__PURE__*/ (function() {
+        function UrlNode() {
+          _classCallCheck(this, UrlNode);
+          this.placeholder = true;
+          this.children = new Map();
+          this.slugName = null;
+          this.restSlugName = null;
+          this.optionalRestSlugName = null;
+        }
+        _createClass(UrlNode, [
+          {
+            key: "insert",
+            value: function insert(urlPath) {
+              this._insert(urlPath.split("/").filter(Boolean), [], false);
+            }
+          },
+          {
+            key: "smoosh",
+            value: function smoosh() {
+              return this._smoosh();
+            }
+          },
+          {
+            key: "_smoosh",
+            value: function _smoosh() {
+              var prefix =
+                arguments.length > 0 && arguments[0] !== void 0
+                  ? arguments[0]
+                  : "/";
+              var _this = this;
+              var childrenPaths = _toConsumableArray(
+                this.children.keys()
+              ).sort();
+              if (this.slugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[]"), 1);
+              }
+              if (this.restSlugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[...]"), 1);
+              }
+              if (this.optionalRestSlugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[[...]]"), 1);
+              }
+              var routes = childrenPaths
+                .map(function(c) {
+                  return _this.children
+                    .get(c)
+                    ._smoosh("".concat(prefix).concat(c, "/"));
+                })
+                .reduce(function(prev, curr) {
+                  return _toConsumableArray(prev).concat(
+                    _toConsumableArray(curr)
+                  );
+                }, []);
+              if (this.slugName !== null) {
+                var _routes;
+                (_routes = routes).push.apply(
+                  _routes,
+                  _toConsumableArray(
+                    this.children
+                      .get("[]")
+                      ._smoosh(
+                        "".concat(prefix, "[").concat(this.slugName, "]/")
+                      )
+                  )
+                );
+              }
+              if (!this.placeholder) {
+                var r = prefix === "/" ? "/" : prefix.slice(0, -1);
+                if (this.optionalRestSlugName != null) {
+                  throw new Error(
+                    'You cannot define a route with the same specificity as a optional catch-all route ("'
+                      .concat(r, '" and "')
+                      .concat(r, "[[...")
+                      .concat(this.optionalRestSlugName, ']]").')
+                  );
+                }
+                routes.unshift(r);
+              }
+              if (this.restSlugName !== null) {
+                var _routes1;
+                (_routes1 = routes).push.apply(
+                  _routes1,
+                  _toConsumableArray(
+                    this.children
+                      .get("[...]")
+                      ._smoosh(
+                        ""
+                          .concat(prefix, "[...")
+                          .concat(this.restSlugName, "]/")
+                      )
+                  )
+                );
+              }
+              if (this.optionalRestSlugName !== null) {
+                var _routes2;
+                (_routes2 = routes).push.apply(
+                  _routes2,
+                  _toConsumableArray(
+                    this.children
+                      .get("[[...]]")
+                      ._smoosh(
+                        ""
+                          .concat(prefix, "[[...")
+                          .concat(this.optionalRestSlugName, "]]/")
+                      )
+                  )
+                );
+              }
+              return routes;
+            }
+          },
+          {
+            key: "_insert",
+            value: function _insert(urlPaths, slugNames, isCatchAll) {
+              if (urlPaths.length === 0) {
+                this.placeholder = false;
+                return;
+              }
+              if (isCatchAll) {
+                throw new Error("Catch-all must be the last part of the URL.");
+              }
+              // The next segment in the urlPaths list
+              var nextSegment = urlPaths[0];
+              // Check if the segment matches `[something]`
+              if (nextSegment.startsWith("[") && nextSegment.endsWith("]")) {
+                var handleSlug = function handleSlug(previousSlug, nextSlug) {
+                  if (previousSlug !== null) {
+                    // If the specific segment already has a slug but the slug is not `something`
+                    // This prevents collisions like:
+                    // pages/[post]/index.js
+                    // pages/[id]/index.js
+                    // Because currently multiple dynamic params on the same segment level are not supported
+                    if (previousSlug !== nextSlug) {
+                      // TODO: This error seems to be confusing for users, needs an error link, the description can be based on above comment.
+                      throw new Error(
+                        "You cannot use different slug names for the same dynamic path ('"
+                          .concat(previousSlug, "' !== '")
+                          .concat(nextSlug, "').")
+                      );
+                    }
+                  }
+                  slugNames.forEach(function(slug) {
+                    if (slug === nextSlug) {
+                      throw new Error(
+                        'You cannot have the same slug name "'.concat(
+                          nextSlug,
+                          '" repeat within a single dynamic path'
+                        )
+                      );
+                    }
+                    if (
+                      slug.replace(/\W/g, "") === nextSegment.replace(/\W/g, "")
+                    ) {
+                      throw new Error(
+                        'You cannot have the slug names "'
+                          .concat(slug, '" and "')
+                          .concat(
+                            nextSlug,
+                            '" differ only by non-word symbols within a single dynamic path'
+                          )
+                      );
+                    }
+                  });
+                  slugNames.push(nextSlug);
+                };
+                // Strip `[` and `]`, leaving only `something`
+                var segmentName = nextSegment.slice(1, -1);
+                var isOptional = false;
+                if (segmentName.startsWith("[") && segmentName.endsWith("]")) {
+                  // Strip optional `[` and `]`, leaving only `something`
+                  segmentName = segmentName.slice(1, -1);
+                  isOptional = true;
+                }
+                if (segmentName.startsWith("...")) {
+                  // Strip `...`, leaving only `something`
+                  segmentName = segmentName.substring(3);
+                  isCatchAll = true;
+                }
+                if (segmentName.startsWith("[") || segmentName.endsWith("]")) {
+                  throw new Error(
+                    "Segment names may not start or end with extra brackets ('".concat(
+                      segmentName,
+                      "')."
+                    )
+                  );
+                }
+                if (segmentName.startsWith(".")) {
+                  throw new Error(
+                    "Segment names may not start with erroneous periods ('".concat(
+                      segmentName,
+                      "')."
+                    )
+                  );
+                }
+                if (isCatchAll) {
+                  if (isOptional) {
+                    if (this.restSlugName != null) {
+                      throw new Error(
+                        'You cannot use both an required and optional catch-all route at the same level ("[...'
+                          .concat(this.restSlugName, ']" and "')
+                          .concat(urlPaths[0], '" ).')
+                      );
+                    }
+                    handleSlug(this.optionalRestSlugName, segmentName);
+                    // slugName is kept as it can only be one particular slugName
+                    this.optionalRestSlugName = segmentName;
+                    // nextSegment is overwritten to [[...]] so that it can later be sorted specifically
+                    nextSegment = "[[...]]";
+                  } else {
+                    if (this.optionalRestSlugName != null) {
+                      throw new Error(
+                        'You cannot use both an optional and required catch-all route at the same level ("[[...'
+                          .concat(this.optionalRestSlugName, ']]" and "')
+                          .concat(urlPaths[0], '").')
+                      );
+                    }
+                    handleSlug(this.restSlugName, segmentName);
+                    // slugName is kept as it can only be one particular slugName
+                    this.restSlugName = segmentName;
+                    // nextSegment is overwritten to [...] so that it can later be sorted specifically
+                    nextSegment = "[...]";
+                  }
+                } else {
+                  if (isOptional) {
+                    throw new Error(
+                      'Optional route parameters are not yet supported ("'.concat(
+                        urlPaths[0],
+                        '").'
+                      )
+                    );
+                  }
+                  handleSlug(this.slugName, segmentName);
+                  // slugName is kept as it can only be one particular slugName
+                  this.slugName = segmentName;
+                  // nextSegment is overwritten to [] so that it can later be sorted specifically
+                  nextSegment = "[]";
+                }
+              }
+              // If this UrlNode doesn't have the nextSegment yet we create a new child UrlNode
+              if (!this.children.has(nextSegment)) {
+                this.children.set(nextSegment, new UrlNode());
+              }
+              this.children
+                .get(nextSegment)
+                ._insert(urlPaths.slice(1), slugNames, isCatchAll);
+            }
+          }
+        ]);
+        return UrlNode;
+      })();
+      function getSortedRoutes(normalizedPages) {
+        // First the UrlNode is created, and every UrlNode can have only 1 dynamic segment
+        // Eg you can't have pages/[post]/abc.js and pages/[hello]/something-else.js
+        // Only 1 dynamic segment per nesting level
+        // So in the case that is test/integration/dynamic-routing it'll be this:
+        // pages/[post]/comments.js
+        // pages/blog/[post]/comment/[id].js
+        // Both are fine because `pages/[post]` and `pages/blog` are on the same level
+        // So in this case `UrlNode` created here has `this.slugName === 'post'`
+        // And since your PR passed through `slugName` as an array basically it'd including it in too many possibilities
+        // Instead what has to be passed through is the upwards path's dynamic names
+        var root = new UrlNode();
+        // Here the `root` gets injected multiple paths, and insert will break them up into sublevels
+        normalizedPages.forEach(function(pagePath) {
+          return root.insert(pagePath);
+        });
+        // Smoosh will then sort those sublevels up to the point where you get the correct route definition priority
+        return root.smoosh();
+      } //# sourceMappingURL=sorted-routes.js.map
+
+      /***/
+    },
+
     /***/ 8027: /***/ function(__unused_webpack_module, exports) {
       "use strict";
 
@@ -7913,7 +8301,11 @@
       /***/
     },
 
-    /***/ 4522: /***/ function(__unused_webpack_module, exports) {
+    /***/ 4522: /***/ function(
+      __unused_webpack_module,
+      exports,
+      __webpack_require__
+    ) {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -7921,12 +8313,13 @@
       });
       exports.normalizePathSep = normalizePathSep;
       exports.denormalizePagePath = denormalizePagePath;
+      var _utils = __webpack_require__(418);
       function normalizePathSep(path) {
         return path.replace(/\\/g, "/");
       }
       function denormalizePagePath(page) {
         page = normalizePathSep(page);
-        if (page.startsWith("/index/")) {
+        if (page.startsWith("/index/") && !(0, _utils).isDynamicRoute(page)) {
           page = page.slice(6);
         } else if (page === "/index") {
           page = "/";
Diff for index.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script
Diff for link.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script
Diff for withRouter.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script

Default Build with SWC (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
buildDuration 19.5s 19.6s ⚠️ +49ms
buildDurationCached 3.5s 3.4s -149ms
nodeModulesSize 350 MB 350 MB ⚠️ +701 B
Page Load Tests Overall increase ✓
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
/ failed reqs 0 0
/ total time (seconds) 2.917 2.924 ⚠️ +0.01
/ avg req/sec 857.17 855 ⚠️ -2.17
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.344 1.301 -0.04
/error-in-render avg req/sec 1860.72 1921.01 +60.29
Client Bundles (main, webpack, commons) Overall increase ⚠️
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.3 kB 42.3 kB
main-HASH.js gzip 29.1 kB 30.3 kB ⚠️ +1.22 kB
webpack-HASH.js gzip 1.44 kB 1.44 kB
Overall change 73 kB 74.2 kB ⚠️ +1.22 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
_app-HASH.js gzip 1.35 kB 1.35 kB
_error-HASH.js gzip 180 B 180 B
amp-HASH.js gzip 305 B 305 B
css-HASH.js gzip 321 B 321 B
dynamic-HASH.js gzip 2.39 kB 2.39 kB
head-HASH.js gzip 342 B 342 B
hooks-HASH.js gzip 906 B 906 B
image-HASH.js gzip 4.75 kB 4.75 kB
index-HASH.js gzip 256 B 256 B
link-HASH.js gzip 2.19 kB 2.19 kB
routerDirect..HASH.js gzip 314 B 314 B
script-HASH.js gzip 375 B 375 B
withRouter-HASH.js gzip 309 B 309 B
85e02e95b279..7e3.css gzip 107 B 107 B
Overall change 14.1 kB 14.1 kB
Client Build Manifests
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
_buildManifest.js gzip 458 B 458 B
Overall change 458 B 458 B
Rendered Page Sizes
vercel/next.js canary huozhi/next.js fix/index-dynamic-routes Change
index.html gzip 533 B 533 B
link.html gzip 546 B 546 B
withRouter.html gzip 527 B 527 B
Overall change 1.61 kB 1.61 kB

Diffs

Diff for main-HASH.js
@@ -6525,6 +6525,55 @@
       /***/
     },
 
+    /***/ 418: /***/ function(
+      __unused_webpack_module,
+      exports,
+      __webpack_require__
+    ) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      Object.defineProperty(exports, "getMiddlewareRegex", {
+        enumerable: true,
+        get: function get() {
+          return _getMiddlewareRegex.getMiddlewareRegex;
+        }
+      });
+      Object.defineProperty(exports, "getRouteMatcher", {
+        enumerable: true,
+        get: function get() {
+          return _routeMatcher.getRouteMatcher;
+        }
+      });
+      Object.defineProperty(exports, "getRouteRegex", {
+        enumerable: true,
+        get: function get() {
+          return _routeRegex.getRouteRegex;
+        }
+      });
+      Object.defineProperty(exports, "getSortedRoutes", {
+        enumerable: true,
+        get: function get() {
+          return _sortedRoutes.getSortedRoutes;
+        }
+      });
+      Object.defineProperty(exports, "isDynamicRoute", {
+        enumerable: true,
+        get: function get() {
+          return _isDynamic.isDynamicRoute;
+        }
+      });
+      var _getMiddlewareRegex = __webpack_require__(9820);
+      var _routeMatcher = __webpack_require__(3888);
+      var _routeRegex = __webpack_require__(4095);
+      var _sortedRoutes = __webpack_require__(3907);
+      var _isDynamic = __webpack_require__(8689); //# sourceMappingURL=index.js.map
+
+      /***/
+    },
+
     /***/ 8689: /***/ function(__unused_webpack_module, exports) {
       "use strict";
 
@@ -6850,6 +6899,345 @@
       /***/
     },
 
+    /***/ 3907: /***/ function(__unused_webpack_module, exports) {
+      "use strict";
+
+      function _arrayLikeToArray(arr, len) {
+        if (len == null || len > arr.length) len = arr.length;
+        for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+        return arr2;
+      }
+      function _arrayWithoutHoles(arr) {
+        if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+      }
+      function _classCallCheck(instance, Constructor) {
+        if (!(instance instanceof Constructor)) {
+          throw new TypeError("Cannot call a class as a function");
+        }
+      }
+      function _defineProperties(target, props) {
+        for (var i = 0; i < props.length; i++) {
+          var descriptor = props[i];
+          descriptor.enumerable = descriptor.enumerable || false;
+          descriptor.configurable = true;
+          if ("value" in descriptor) descriptor.writable = true;
+          Object.defineProperty(target, descriptor.key, descriptor);
+        }
+      }
+      function _createClass(Constructor, protoProps, staticProps) {
+        if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+        if (staticProps) _defineProperties(Constructor, staticProps);
+        return Constructor;
+      }
+      function _iterableToArray(iter) {
+        if (
+          (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null) ||
+          iter["@@iterator"] != null
+        )
+          return Array.from(iter);
+      }
+      function _nonIterableSpread() {
+        throw new TypeError(
+          "Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
+        );
+      }
+      function _toConsumableArray(arr) {
+        return (
+          _arrayWithoutHoles(arr) ||
+          _iterableToArray(arr) ||
+          _unsupportedIterableToArray(arr) ||
+          _nonIterableSpread()
+        );
+      }
+      function _unsupportedIterableToArray(o, minLen) {
+        if (!o) return;
+        if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+        var n = Object.prototype.toString.call(o).slice(8, -1);
+        if (n === "Object" && o.constructor) n = o.constructor.name;
+        if (n === "Map" || n === "Set") return Array.from(n);
+        if (
+          n === "Arguments" ||
+          /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)
+        )
+          return _arrayLikeToArray(o, minLen);
+      }
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.getSortedRoutes = getSortedRoutes;
+      var UrlNode = /*#__PURE__*/ (function() {
+        function UrlNode() {
+          _classCallCheck(this, UrlNode);
+          this.placeholder = true;
+          this.children = new Map();
+          this.slugName = null;
+          this.restSlugName = null;
+          this.optionalRestSlugName = null;
+        }
+        _createClass(UrlNode, [
+          {
+            key: "insert",
+            value: function insert(urlPath) {
+              this._insert(urlPath.split("/").filter(Boolean), [], false);
+            }
+          },
+          {
+            key: "smoosh",
+            value: function smoosh() {
+              return this._smoosh();
+            }
+          },
+          {
+            key: "_smoosh",
+            value: function _smoosh() {
+              var prefix =
+                arguments.length > 0 && arguments[0] !== void 0
+                  ? arguments[0]
+                  : "/";
+              var _this = this;
+              var childrenPaths = _toConsumableArray(
+                this.children.keys()
+              ).sort();
+              if (this.slugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[]"), 1);
+              }
+              if (this.restSlugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[...]"), 1);
+              }
+              if (this.optionalRestSlugName !== null) {
+                childrenPaths.splice(childrenPaths.indexOf("[[...]]"), 1);
+              }
+              var routes = childrenPaths
+                .map(function(c) {
+                  return _this.children
+                    .get(c)
+                    ._smoosh("".concat(prefix).concat(c, "/"));
+                })
+                .reduce(function(prev, curr) {
+                  return _toConsumableArray(prev).concat(
+                    _toConsumableArray(curr)
+                  );
+                }, []);
+              if (this.slugName !== null) {
+                var _routes;
+                (_routes = routes).push.apply(
+                  _routes,
+                  _toConsumableArray(
+                    this.children
+                      .get("[]")
+                      ._smoosh(
+                        "".concat(prefix, "[").concat(this.slugName, "]/")
+                      )
+                  )
+                );
+              }
+              if (!this.placeholder) {
+                var r = prefix === "/" ? "/" : prefix.slice(0, -1);
+                if (this.optionalRestSlugName != null) {
+                  throw new Error(
+                    'You cannot define a route with the same specificity as a optional catch-all route ("'
+                      .concat(r, '" and "')
+                      .concat(r, "[[...")
+                      .concat(this.optionalRestSlugName, ']]").')
+                  );
+                }
+                routes.unshift(r);
+              }
+              if (this.restSlugName !== null) {
+                var _routes1;
+                (_routes1 = routes).push.apply(
+                  _routes1,
+                  _toConsumableArray(
+                    this.children
+                      .get("[...]")
+                      ._smoosh(
+                        ""
+                          .concat(prefix, "[...")
+                          .concat(this.restSlugName, "]/")
+                      )
+                  )
+                );
+              }
+              if (this.optionalRestSlugName !== null) {
+                var _routes2;
+                (_routes2 = routes).push.apply(
+                  _routes2,
+                  _toConsumableArray(
+                    this.children
+                      .get("[[...]]")
+                      ._smoosh(
+                        ""
+                          .concat(prefix, "[[...")
+                          .concat(this.optionalRestSlugName, "]]/")
+                      )
+                  )
+                );
+              }
+              return routes;
+            }
+          },
+          {
+            key: "_insert",
+            value: function _insert(urlPaths, slugNames, isCatchAll) {
+              if (urlPaths.length === 0) {
+                this.placeholder = false;
+                return;
+              }
+              if (isCatchAll) {
+                throw new Error("Catch-all must be the last part of the URL.");
+              }
+              // The next segment in the urlPaths list
+              var nextSegment = urlPaths[0];
+              // Check if the segment matches `[something]`
+              if (nextSegment.startsWith("[") && nextSegment.endsWith("]")) {
+                var handleSlug = function handleSlug(previousSlug, nextSlug) {
+                  if (previousSlug !== null) {
+                    // If the specific segment already has a slug but the slug is not `something`
+                    // This prevents collisions like:
+                    // pages/[post]/index.js
+                    // pages/[id]/index.js
+                    // Because currently multiple dynamic params on the same segment level are not supported
+                    if (previousSlug !== nextSlug) {
+                      // TODO: This error seems to be confusing for users, needs an error link, the description can be based on above comment.
+                      throw new Error(
+                        "You cannot use different slug names for the same dynamic path ('"
+                          .concat(previousSlug, "' !== '")
+                          .concat(nextSlug, "').")
+                      );
+                    }
+                  }
+                  slugNames.forEach(function(slug) {
+                    if (slug === nextSlug) {
+                      throw new Error(
+                        'You cannot have the same slug name "'.concat(
+                          nextSlug,
+                          '" repeat within a single dynamic path'
+                        )
+                      );
+                    }
+                    if (
+                      slug.replace(/\W/g, "") === nextSegment.replace(/\W/g, "")
+                    ) {
+                      throw new Error(
+                        'You cannot have the slug names "'
+                          .concat(slug, '" and "')
+                          .concat(
+                            nextSlug,
+                            '" differ only by non-word symbols within a single dynamic path'
+                          )
+                      );
+                    }
+                  });
+                  slugNames.push(nextSlug);
+                };
+                // Strip `[` and `]`, leaving only `something`
+                var segmentName = nextSegment.slice(1, -1);
+                var isOptional = false;
+                if (segmentName.startsWith("[") && segmentName.endsWith("]")) {
+                  // Strip optional `[` and `]`, leaving only `something`
+                  segmentName = segmentName.slice(1, -1);
+                  isOptional = true;
+                }
+                if (segmentName.startsWith("...")) {
+                  // Strip `...`, leaving only `something`
+                  segmentName = segmentName.substring(3);
+                  isCatchAll = true;
+                }
+                if (segmentName.startsWith("[") || segmentName.endsWith("]")) {
+                  throw new Error(
+                    "Segment names may not start or end with extra brackets ('".concat(
+                      segmentName,
+                      "')."
+                    )
+                  );
+                }
+                if (segmentName.startsWith(".")) {
+                  throw new Error(
+                    "Segment names may not start with erroneous periods ('".concat(
+                      segmentName,
+                      "')."
+                    )
+                  );
+                }
+                if (isCatchAll) {
+                  if (isOptional) {
+                    if (this.restSlugName != null) {
+                      throw new Error(
+                        'You cannot use both an required and optional catch-all route at the same level ("[...'
+                          .concat(this.restSlugName, ']" and "')
+                          .concat(urlPaths[0], '" ).')
+                      );
+                    }
+                    handleSlug(this.optionalRestSlugName, segmentName);
+                    // slugName is kept as it can only be one particular slugName
+                    this.optionalRestSlugName = segmentName;
+                    // nextSegment is overwritten to [[...]] so that it can later be sorted specifically
+                    nextSegment = "[[...]]";
+                  } else {
+                    if (this.optionalRestSlugName != null) {
+                      throw new Error(
+                        'You cannot use both an optional and required catch-all route at the same level ("[[...'
+                          .concat(this.optionalRestSlugName, ']]" and "')
+                          .concat(urlPaths[0], '").')
+                      );
+                    }
+                    handleSlug(this.restSlugName, segmentName);
+                    // slugName is kept as it can only be one particular slugName
+                    this.restSlugName = segmentName;
+                    // nextSegment is overwritten to [...] so that it can later be sorted specifically
+                    nextSegment = "[...]";
+                  }
+                } else {
+                  if (isOptional) {
+                    throw new Error(
+                      'Optional route parameters are not yet supported ("'.concat(
+                        urlPaths[0],
+                        '").'
+                      )
+                    );
+                  }
+                  handleSlug(this.slugName, segmentName);
+                  // slugName is kept as it can only be one particular slugName
+                  this.slugName = segmentName;
+                  // nextSegment is overwritten to [] so that it can later be sorted specifically
+                  nextSegment = "[]";
+                }
+              }
+              // If this UrlNode doesn't have the nextSegment yet we create a new child UrlNode
+              if (!this.children.has(nextSegment)) {
+                this.children.set(nextSegment, new UrlNode());
+              }
+              this.children
+                .get(nextSegment)
+                ._insert(urlPaths.slice(1), slugNames, isCatchAll);
+            }
+          }
+        ]);
+        return UrlNode;
+      })();
+      function getSortedRoutes(normalizedPages) {
+        // First the UrlNode is created, and every UrlNode can have only 1 dynamic segment
+        // Eg you can't have pages/[post]/abc.js and pages/[hello]/something-else.js
+        // Only 1 dynamic segment per nesting level
+        // So in the case that is test/integration/dynamic-routing it'll be this:
+        // pages/[post]/comments.js
+        // pages/blog/[post]/comment/[id].js
+        // Both are fine because `pages/[post]` and `pages/blog` are on the same level
+        // So in this case `UrlNode` created here has `this.slugName === 'post'`
+        // And since your PR passed through `slugName` as an array basically it'd including it in too many possibilities
+        // Instead what has to be passed through is the upwards path's dynamic names
+        var root = new UrlNode();
+        // Here the `root` gets injected multiple paths, and insert will break them up into sublevels
+        normalizedPages.forEach(function(pagePath) {
+          return root.insert(pagePath);
+        });
+        // Smoosh will then sort those sublevels up to the point where you get the correct route definition priority
+        return root.smoosh();
+      } //# sourceMappingURL=sorted-routes.js.map
+
+      /***/
+    },
+
     /***/ 8027: /***/ function(__unused_webpack_module, exports) {
       "use strict";
 
@@ -7913,7 +8301,11 @@
       /***/
     },
 
-    /***/ 4522: /***/ function(__unused_webpack_module, exports) {
+    /***/ 4522: /***/ function(
+      __unused_webpack_module,
+      exports,
+      __webpack_require__
+    ) {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -7921,12 +8313,13 @@
       });
       exports.normalizePathSep = normalizePathSep;
       exports.denormalizePagePath = denormalizePagePath;
+      var _utils = __webpack_require__(418);
       function normalizePathSep(path) {
         return path.replace(/\\/g, "/");
       }
       function denormalizePagePath(page) {
         page = normalizePathSep(page);
-        if (page.startsWith("/index/")) {
+        if (page.startsWith("/index/") && !(0, _utils).isDynamicRoute(page)) {
           page = page.slice(6);
         } else if (page === "/index") {
           page = "/";
Diff for index.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script
Diff for link.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script
Diff for withRouter.html
@@ -19,7 +19,7 @@
       defer=""
     ></script>
     <script
-      src="/_next/static/chunks/main-265c59c213a49f1c.js"
+      src="/_next/static/chunks/main-92a7810899e6ca71.js"
       defer=""
     ></script>
     <script
Commit: 13775ab

@kodiakhq kodiakhq bot merged commit 10d814d into vercel:canary Dec 13, 2021
@huozhi huozhi deleted the fix/index-dynamic-routes branch December 13, 2021 20:41
@RizBizKits
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@huozhi can you confirm if this fix is available in v12.0.8-canary.5? I don't see it mentioned in the Release

@huozhi
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huozhi commented Dec 14, 2021

@RizBizKits It's fixed after v12.0.8-canary.5, so would be released in v12.0.8-canary.6! 🙏

cdierkens pushed a commit to cdierkens/next.js that referenced this pull request Dec 20, 2021
Fixes incorrect generated manifest and generated directory for `index/[...dynamic]` pages

Too much normalizing adding extra `index/` prefix to `index/[...dynamic]` routes which lead to the incorrected generated routes like `.next/server/pages/index/index/index/[...dynamic]`

## Bug

Fixes https://github.com/vercel/customer-issues/issues/146

- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`
@vercel vercel locked as resolved and limited conversation to collaborators Jan 27, 2022
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3 participants