next
Version:
The React Framework
72 lines (71 loc) • 3.17 kB
JavaScript
import { AppPageRouteMatcher } from '../../route-matchers/app-page-route-matcher';
import { RouteKind } from '../../route-kind';
import { FileCacheRouteMatcherProvider } from './file-cache-route-matcher-provider';
import { DevAppNormalizers } from '../../normalizers/built/app';
import { normalizeCatchAllRoutes } from '../../../build/normalize-catchall-routes';
export class DevAppPageRouteMatcherProvider extends FileCacheRouteMatcherProvider {
constructor(appDir, extensions, reader){
super(appDir, reader);
this.normalizers = new DevAppNormalizers(appDir, extensions);
// Match any page file that ends with `/page.${extension}` or `/default.${extension}` under the app
// directory.
this.expression = new RegExp(`[/\\\\](page|default)\\.(?:${extensions.join('|')})$`);
}
async transform(files) {
// Collect all the app paths for each page. This could include any parallel
// routes.
const cache = new Map();
const routeFilenames = new Array();
let appPaths = {};
for (const filename of files){
// If the file isn't a match for this matcher, then skip it.
if (!this.expression.test(filename)) continue;
const page = this.normalizers.page.normalize(filename);
// Validate that this is not an ignored page.
if (page.includes('/_')) continue;
// This is a valid file that we want to create a matcher for.
routeFilenames.push(filename);
const pathname = this.normalizers.pathname.normalize(filename);
const bundlePath = this.normalizers.bundlePath.normalize(filename);
// Save the normalization results.
cache.set(filename, {
page,
pathname,
bundlePath
});
if (pathname in appPaths) appPaths[pathname].push(page);
else appPaths[pathname] = [
page
];
}
normalizeCatchAllRoutes(appPaths);
// Make sure to sort parallel routes to make the result deterministic.
appPaths = Object.fromEntries(Object.entries(appPaths).map(([k, v])=>[
k,
v.sort()
]));
const matchers = [];
for (const filename of routeFilenames){
// Grab the cached values (and the appPaths).
const cached = cache.get(filename);
if (!cached) {
throw Object.defineProperty(new Error('Invariant: expected filename to exist in cache'), "__NEXT_ERROR_CODE", {
value: "E190",
enumerable: false,
configurable: true
});
}
const { pathname, page, bundlePath } = cached;
matchers.push(new AppPageRouteMatcher({
kind: RouteKind.APP_PAGE,
pathname,
page,
bundlePath,
filename,
appPaths: appPaths[pathname]
}));
}
return matchers;
}
}
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