main repo

node_modules/next/dist/esm/server/future/route-matcher-managers/default-route-matcher-manager.js

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+/* eslint-disable @typescript-eslint/no-unused-vars */ import { isDynamicRoute } from "../../../shared/lib/router/utils";
+import { getSortedRoutes } from "../../../shared/lib/router/utils";
+import { LocaleRouteMatcher } from "../route-matchers/locale-route-matcher";
+import { ensureLeadingSlash } from "../../../shared/lib/page-path/ensure-leading-slash";
+export class DefaultRouteMatcherManager {
+    /**
+   * When this value changes, it indicates that a change has been introduced
+   * that requires recompilation.
+   */ get compilationID() {
+        return this.providers.length;
+    }
+    async waitTillReady() {
+        if (this.waitTillReadyPromise) {
+            await this.waitTillReadyPromise;
+            delete this.waitTillReadyPromise;
+        }
+    }
+    async reload() {
+        let callbacks;
+        this.waitTillReadyPromise = new Promise((resolve, reject)=>{
+            callbacks = {
+                resolve,
+                reject
+            };
+        });
+        // Grab the compilation ID for this run, we'll verify it at the end to
+        // ensure that if any routes were added before reloading is finished that
+        // we error out.
+        const compilationID = this.compilationID;
+        try {
+            // Collect all the matchers from each provider.
+            const matchers = [];
+            // Get all the providers matchers.
+            const providersMatchers = await Promise.all(this.providers.map((provider)=>provider.matchers()));
+            // Use this to detect duplicate pathnames.
+            const all = new Map();
+            const duplicates = {};
+            for (const providerMatchers of providersMatchers){
+                for (const matcher of providerMatchers){
+                    // Reset duplicated matches when reloading from pages conflicting state.
+                    if (matcher.duplicated) delete matcher.duplicated;
+                    // Test to see if the matcher being added is a duplicate.
+                    const duplicate = all.get(matcher.definition.pathname);
+                    if (duplicate) {
+                        // This looks a little weird, but essentially if the pathname
+                        // already exists in the duplicates map, then we got that array
+                        // reference. Otherwise, we create a new array with the original
+                        // duplicate first. Then we push the new matcher into the duplicate
+                        // array, and reset it to the duplicates object (which may be a
+                        // no-op if the pathname already existed in the duplicates object).
+                        // Then we set the array of duplicates on both the original
+                        // duplicate object and the new one, so we can keep them in sync.
+                        // If a new duplicate is found, and it matches an existing pathname,
+                        // the retrieval of the `other` will actually return the array
+                        // reference used by all other duplicates. This is why ReadonlyArray
+                        // is so important! Array's are always references!
+                        const others = duplicates[matcher.definition.pathname] ?? [
+                            duplicate
+                        ];
+                        others.push(matcher);
+                        duplicates[matcher.definition.pathname] = others;
+                        // Add duplicated details to each route.
+                        duplicate.duplicated = others;
+                        matcher.duplicated = others;
+                    // TODO: see if we should error for duplicates in production?
+                    }
+                    matchers.push(matcher);
+                    // Add the matcher's pathname to the set.
+                    all.set(matcher.definition.pathname, matcher);
+                }
+            }
+            // Update the duplicate matchers. This is used in the development manager
+            // to warn about duplicates.
+            this.matchers.duplicates = duplicates;
+            // If the cache is the same as what we just parsed, we can exit now. We
+            // can tell by using the `===` which compares object identity, which for
+            // the manifest matchers, will return the same matcher each time.
+            if (this.previousMatchers.length === matchers.length && this.previousMatchers.every((cachedMatcher, index)=>cachedMatcher === matchers[index])) {
+                return;
+            }
+            this.previousMatchers = matchers;
+            // For matchers that are for static routes, filter them now.
+            this.matchers.static = matchers.filter((matcher)=>!matcher.isDynamic);
+            // For matchers that are for dynamic routes, filter them and sort them now.
+            const dynamic = matchers.filter((matcher)=>matcher.isDynamic);
+            // As `getSortedRoutes` only takes an array of strings, we need to create
+            // a map of the pathnames (used for sorting) and the matchers. When we
+            // have locales, there may be multiple matches for the same pathname. To
+            // handle this, we keep a map of all the indexes (in `reference`) and
+            // merge them in later.
+            const reference = new Map();
+            const pathnames = new Array();
+            for(let index = 0; index < dynamic.length; index++){
+                // Grab the pathname from the definition.
+                const pathname = dynamic[index].definition.pathname;
+                // Grab the index in the dynamic array, push it into the reference.
+                const indexes = reference.get(pathname) ?? [];
+                indexes.push(index);
+                // If this is the first one set it. If it isn't, we don't need to
+                // because pushing above on the array will mutate the array already
+                // stored there because array's are always a reference!
+                if (indexes.length === 1) reference.set(pathname, indexes);
+                else continue;
+                pathnames.push(pathname);
+            }
+            // Sort the array of pathnames.
+            const sorted = getSortedRoutes(pathnames);
+            // For each of the sorted pathnames, iterate over them, grabbing the list
+            // of indexes and merging them back into the new `sortedDynamicMatchers`
+            // array. The order of the same matching pathname doesn't matter because
+            // they will have other matching characteristics (like the locale) that
+            // is considered.
+            const sortedDynamicMatchers = [];
+            for (const pathname of sorted){
+                const indexes = reference.get(pathname);
+                if (!Array.isArray(indexes)) {
+                    throw new Error("Invariant: expected to find identity in indexes map");
+                }
+                const dynamicMatches = indexes.map((index)=>dynamic[index]);
+                sortedDynamicMatchers.push(...dynamicMatches);
+            }
+            this.matchers.dynamic = sortedDynamicMatchers;
+            // This means that there was a new matcher pushed while we were waiting
+            if (this.compilationID !== compilationID) {
+                throw new Error("Invariant: expected compilation to finish before new matchers were added, possible missing await");
+            }
+        } catch (err) {
+            callbacks.reject(err);
+        } finally{
+            // The compilation ID matched, so mark the complication as finished.
+            this.lastCompilationID = compilationID;
+            callbacks.resolve();
+        }
+    }
+    push(provider) {
+        this.providers.push(provider);
+    }
+    async test(pathname, options) {
+        // See if there's a match for the pathname...
+        const match = await this.match(pathname, options);
+        // This default implementation only needs to check to see if there _was_ a
+        // match. The development matcher actually changes it's behavior by not
+        // recompiling the routes.
+        return match !== null;
+    }
+    async match(pathname, options) {
+        // "Iterate" over the match options. Once we found a single match, exit with
+        // it, otherwise return null below. If no match is found, the inner block
+        // won't be called.
+        for await (const match of this.matchAll(pathname, options)){
+            return match;
+        }
+        return null;
+    }
+    /**
+   * This is a point for other managers to override to inject other checking
+   * behavior like duplicate route checking on a per-request basis.
+   *
+   * @param pathname the pathname to validate against
+   * @param matcher the matcher to validate/test with
+   * @returns the match if found
+   */ validate(pathname, matcher, options) {
+        var _options_i18n;
+        if (matcher instanceof LocaleRouteMatcher) {
+            return matcher.match(pathname, options);
+        }
+        // If the locale was inferred from the default locale, then it will have
+        // already added a locale to the pathname. We need to remove it before
+        // matching because this matcher is not locale aware.
+        if ((_options_i18n = options.i18n) == null ? void 0 : _options_i18n.inferredFromDefault) {
+            return matcher.match(options.i18n.pathname);
+        }
+        return matcher.match(pathname);
+    }
+    async *matchAll(pathname, options) {
+        // Guard against the matcher manager from being run before it needs to be
+        // recompiled. This was preferred to re-running the compilation here because
+        // it should be re-ran only when it changes. If a match is attempted before
+        // this is done, it indicates that there is a case where a provider is added
+        // before it was recompiled (an error). We also don't want to affect request
+        // times.
+        if (this.lastCompilationID !== this.compilationID) {
+            throw new Error("Invariant: expected routes to have been loaded before match");
+        }
+        // Ensure that path matching is done with a leading slash.
+        pathname = ensureLeadingSlash(pathname);
+        // If this pathname doesn't look like a dynamic route, and this pathname is
+        // listed in the normalized list of routes, then return it. This ensures
+        // that when a route like `/user/[id]` is encountered, it doesn't just match
+        // with the list of normalized routes.
+        if (!isDynamicRoute(pathname)) {
+            for (const matcher of this.matchers.static){
+                const match = this.validate(pathname, matcher, options);
+                if (!match) continue;
+                yield match;
+            }
+        }
+        // If we should skip handling dynamic routes, exit now.
+        if (options == null ? void 0 : options.skipDynamic) return null;
+        // Loop over the dynamic matchers, yielding each match.
+        for (const matcher of this.matchers.dynamic){
+            const match = this.validate(pathname, matcher, options);
+            if (!match) continue;
+            yield match;
+        }
+        // We tried direct matching against the pathname and against all the dynamic
+        // paths, so there was no match.
+        return null;
+    }
+    constructor(){
+        this.providers = [];
+        this.matchers = {
+            static: [],
+            dynamic: [],
+            duplicates: {}
+        };
+        this.lastCompilationID = this.compilationID;
+        this.previousMatchers = [];
+    }
+}
+
+//# sourceMappingURL=default-route-matcher-manager.js.map

node_modules/next/dist/esm/server/future/route-matcher-managers/dev-route-matcher-manager.js

@@ -0,0 +1,70 @@
+import { RouteKind } from "../route-kind";
+import { DefaultRouteMatcherManager } from "./default-route-matcher-manager";
+import path from "../../../shared/lib/isomorphic/path";
+import * as Log from "../../../build/output/log";
+import chalk from "next/dist/compiled/chalk";
+export class DevRouteMatcherManager extends DefaultRouteMatcherManager {
+    constructor(production, ensurer, dir){
+        super();
+        this.production = production;
+        this.ensurer = ensurer;
+        this.dir = dir;
+    }
+    async test(pathname, options) {
+        // Try to find a match within the developer routes.
+        const match = await super.match(pathname, options);
+        // Return if the match wasn't null. Unlike the implementation of `match`
+        // which uses `matchAll` here, this does not call `ensure` on the match
+        // found via the development matches.
+        return match !== null;
+    }
+    validate(pathname, matcher, options) {
+        const match = super.validate(pathname, matcher, options);
+        // If a match was found, check to see if there were any conflicting app or
+        // pages files.
+        // TODO: maybe expand this to _any_ duplicated routes instead?
+        if (match && matcher.duplicated && matcher.duplicated.some((duplicate)=>duplicate.definition.kind === RouteKind.APP_PAGE || duplicate.definition.kind === RouteKind.APP_ROUTE) && matcher.duplicated.some((duplicate)=>duplicate.definition.kind === RouteKind.PAGES || duplicate.definition.kind === RouteKind.PAGES_API)) {
+            return null;
+        }
+        return match;
+    }
+    async *matchAll(pathname, options) {
+        // Compile the development routes.
+        // TODO: we may want to only run this during testing, users won't be fast enough to require this many dir scans
+        await super.reload();
+        // Iterate over the development matches to see if one of them match the
+        // request path.
+        for await (const development of super.matchAll(pathname, options)){
+            // We're here, which means that we haven't seen this match yet, so we
+            // should try to ensure it and recompile the production matcher.
+            await this.ensurer.ensure(development);
+            await this.production.reload();
+            // Iterate over the production matches again, this time we should be able
+            // to match it against the production matcher unless there's an error.
+            for await (const production of this.production.matchAll(pathname, options)){
+                yield production;
+            }
+        }
+        // We tried direct matching against the pathname and against all the dynamic
+        // paths, so there was no match.
+        return null;
+    }
+    async reload() {
+        // Compile the production routes again.
+        await this.production.reload();
+        // Compile the development routes.
+        await super.reload();
+        // Check for and warn of any duplicates.
+        for (const [pathname, matchers] of Object.entries(this.matchers.duplicates)){
+            // We only want to warn about matchers resolving to the same path if their
+            // identities are different.
+            const identity = matchers[0].identity;
+            if (matchers.slice(1).some((matcher)=>matcher.identity !== identity)) {
+                continue;
+            }
+            Log.warn(`Duplicate page detected. ${matchers.map((matcher)=>chalk.cyan(path.relative(this.dir, matcher.definition.filename))).join(" and ")} resolve to ${chalk.cyan(pathname)}`);
+        }
+    }
+}
+
+//# sourceMappingURL=dev-route-matcher-manager.js.map

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node_modules/next/dist/esm/server/future/route-matcher-managers/route-matcher-manager.js

@@ -0,0 +1,3 @@
+export { };
+
+//# sourceMappingURL=route-matcher-manager.js.map

node_modules/next/dist/esm/server/future/route-matcher-managers/route-matcher-manager.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../../src/server/future/route-matcher-managers/route-matcher-manager.ts"],"names":[],"mappings":"AAAA,WAiEC"}