274 lines
13 KiB
JavaScript
274 lines
13 KiB
JavaScript
import { format as formatUrl, parse as parseUrl } from "url";
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import { normalizeLocalePath } from "../shared/lib/i18n/normalize-locale-path";
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import { getPathMatch } from "../shared/lib/router/utils/path-match";
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import { getNamedRouteRegex } from "../shared/lib/router/utils/route-regex";
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import { getRouteMatcher } from "../shared/lib/router/utils/route-matcher";
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import { matchHas, prepareDestination } from "../shared/lib/router/utils/prepare-destination";
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import { removeTrailingSlash } from "../shared/lib/router/utils/remove-trailing-slash";
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import { normalizeRscPath } from "../shared/lib/router/utils/app-paths";
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import { NEXT_QUERY_PARAM_PREFIX } from "../lib/constants";
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export function normalizeVercelUrl(req, trustQuery, paramKeys, pageIsDynamic, defaultRouteRegex) {
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// make sure to normalize req.url on Vercel to strip dynamic params
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// from the query which are added during routing
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if (pageIsDynamic && trustQuery && defaultRouteRegex) {
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const _parsedUrl = parseUrl(req.url, true);
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delete _parsedUrl.search;
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for (const key of Object.keys(_parsedUrl.query)){
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if (key !== NEXT_QUERY_PARAM_PREFIX && key.startsWith(NEXT_QUERY_PARAM_PREFIX) || (paramKeys || Object.keys(defaultRouteRegex.groups)).includes(key)) {
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delete _parsedUrl.query[key];
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}
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}
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req.url = formatUrl(_parsedUrl);
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}
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}
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export function interpolateDynamicPath(pathname, params, defaultRouteRegex) {
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if (!defaultRouteRegex) return pathname;
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for (const param of Object.keys(defaultRouteRegex.groups)){
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const { optional, repeat } = defaultRouteRegex.groups[param];
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let builtParam = `[${repeat ? "..." : ""}${param}]`;
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if (optional) {
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builtParam = `[${builtParam}]`;
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}
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const paramIdx = pathname.indexOf(builtParam);
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if (paramIdx > -1) {
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let paramValue;
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const value = params[param];
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if (Array.isArray(value)) {
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paramValue = value.map((v)=>v && encodeURIComponent(v)).join("/");
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} else if (value) {
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paramValue = encodeURIComponent(value);
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} else {
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paramValue = "";
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}
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pathname = pathname.slice(0, paramIdx) + paramValue + pathname.slice(paramIdx + builtParam.length);
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}
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}
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return pathname;
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}
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export function getUtils({ page, i18n, basePath, rewrites, pageIsDynamic, trailingSlash, caseSensitive }) {
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let defaultRouteRegex;
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let dynamicRouteMatcher;
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let defaultRouteMatches;
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if (pageIsDynamic) {
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defaultRouteRegex = getNamedRouteRegex(page, false);
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dynamicRouteMatcher = getRouteMatcher(defaultRouteRegex);
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defaultRouteMatches = dynamicRouteMatcher(page);
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}
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function handleRewrites(req, parsedUrl) {
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const rewriteParams = {};
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let fsPathname = parsedUrl.pathname;
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const matchesPage = ()=>{
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const fsPathnameNoSlash = removeTrailingSlash(fsPathname || "");
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return fsPathnameNoSlash === removeTrailingSlash(page) || (dynamicRouteMatcher == null ? void 0 : dynamicRouteMatcher(fsPathnameNoSlash));
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};
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const checkRewrite = (rewrite)=>{
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const matcher = getPathMatch(rewrite.source + (trailingSlash ? "(/)?" : ""), {
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removeUnnamedParams: true,
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strict: true,
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sensitive: !!caseSensitive
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});
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let params = matcher(parsedUrl.pathname);
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if ((rewrite.has || rewrite.missing) && params) {
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const hasParams = matchHas(req, parsedUrl.query, rewrite.has, rewrite.missing);
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if (hasParams) {
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Object.assign(params, hasParams);
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} else {
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params = false;
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}
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}
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if (params) {
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const { parsedDestination, destQuery } = prepareDestination({
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appendParamsToQuery: true,
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destination: rewrite.destination,
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params: params,
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query: parsedUrl.query
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});
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// if the rewrite destination is external break rewrite chain
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if (parsedDestination.protocol) {
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return true;
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}
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Object.assign(rewriteParams, destQuery, params);
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Object.assign(parsedUrl.query, parsedDestination.query);
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delete parsedDestination.query;
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Object.assign(parsedUrl, parsedDestination);
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fsPathname = parsedUrl.pathname;
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if (basePath) {
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fsPathname = fsPathname.replace(new RegExp(`^${basePath}`), "") || "/";
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}
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if (i18n) {
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const destLocalePathResult = normalizeLocalePath(fsPathname, i18n.locales);
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fsPathname = destLocalePathResult.pathname;
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parsedUrl.query.nextInternalLocale = destLocalePathResult.detectedLocale || params.nextInternalLocale;
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}
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if (fsPathname === page) {
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return true;
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}
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if (pageIsDynamic && dynamicRouteMatcher) {
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const dynamicParams = dynamicRouteMatcher(fsPathname);
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if (dynamicParams) {
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parsedUrl.query = {
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...parsedUrl.query,
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...dynamicParams
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};
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return true;
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}
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}
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}
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return false;
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};
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for (const rewrite of rewrites.beforeFiles || []){
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checkRewrite(rewrite);
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}
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if (fsPathname !== page) {
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let finished = false;
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for (const rewrite of rewrites.afterFiles || []){
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finished = checkRewrite(rewrite);
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if (finished) break;
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}
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if (!finished && !matchesPage()) {
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for (const rewrite of rewrites.fallback || []){
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finished = checkRewrite(rewrite);
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if (finished) break;
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}
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}
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}
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return rewriteParams;
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}
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function getParamsFromRouteMatches(req, renderOpts, detectedLocale) {
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return getRouteMatcher(function() {
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const { groups, routeKeys } = defaultRouteRegex;
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return {
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re: {
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// Simulate a RegExp match from the \`req.url\` input
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exec: (str)=>{
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const obj = Object.fromEntries(new URLSearchParams(str));
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const matchesHasLocale = i18n && detectedLocale && obj["1"] === detectedLocale;
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for (const key of Object.keys(obj)){
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const value = obj[key];
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if (key !== NEXT_QUERY_PARAM_PREFIX && key.startsWith(NEXT_QUERY_PARAM_PREFIX)) {
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const normalizedKey = key.substring(NEXT_QUERY_PARAM_PREFIX.length);
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obj[normalizedKey] = value;
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delete obj[key];
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}
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}
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// favor named matches if available
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const routeKeyNames = Object.keys(routeKeys || {});
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const filterLocaleItem = (val)=>{
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if (i18n) {
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// locale items can be included in route-matches
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// for fallback SSG pages so ensure they are
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// filtered
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const isCatchAll = Array.isArray(val);
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const _val = isCatchAll ? val[0] : val;
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if (typeof _val === "string" && i18n.locales.some((item)=>{
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if (item.toLowerCase() === _val.toLowerCase()) {
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detectedLocale = item;
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renderOpts.locale = detectedLocale;
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return true;
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}
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return false;
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})) {
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// remove the locale item from the match
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if (isCatchAll) {
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val.splice(0, 1);
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}
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// the value is only a locale item and
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// shouldn't be added
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return isCatchAll ? val.length === 0 : true;
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}
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}
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return false;
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};
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if (routeKeyNames.every((name)=>obj[name])) {
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return routeKeyNames.reduce((prev, keyName)=>{
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const paramName = routeKeys == null ? void 0 : routeKeys[keyName];
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if (paramName && !filterLocaleItem(obj[keyName])) {
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prev[groups[paramName].pos] = obj[keyName];
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}
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return prev;
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}, {});
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}
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return Object.keys(obj).reduce((prev, key)=>{
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if (!filterLocaleItem(obj[key])) {
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let normalizedKey = key;
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if (matchesHasLocale) {
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normalizedKey = parseInt(key, 10) - 1 + "";
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}
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return Object.assign(prev, {
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[normalizedKey]: obj[key]
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});
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}
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return prev;
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}, {});
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}
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},
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groups
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};
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}())(req.headers["x-now-route-matches"]);
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}
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function normalizeDynamicRouteParams(params, ignoreOptional) {
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let hasValidParams = true;
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if (!defaultRouteRegex) return {
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params,
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hasValidParams: false
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};
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params = Object.keys(defaultRouteRegex.groups).reduce((prev, key)=>{
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let value = params[key];
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if (typeof value === "string") {
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value = normalizeRscPath(value, true);
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}
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if (Array.isArray(value)) {
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value = value.map((val)=>{
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if (typeof val === "string") {
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val = normalizeRscPath(val, true);
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}
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return val;
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});
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}
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// if the value matches the default value we can't rely
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// on the parsed params, this is used to signal if we need
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// to parse x-now-route-matches or not
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const defaultValue = defaultRouteMatches[key];
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const isOptional = defaultRouteRegex.groups[key].optional;
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const isDefaultValue = Array.isArray(defaultValue) ? defaultValue.some((defaultVal)=>{
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return Array.isArray(value) ? value.some((val)=>val.includes(defaultVal)) : value == null ? void 0 : value.includes(defaultVal);
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}) : value == null ? void 0 : value.includes(defaultValue);
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if (isDefaultValue || typeof value === "undefined" && !(isOptional && ignoreOptional)) {
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hasValidParams = false;
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}
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// non-provided optional values should be undefined so normalize
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// them to undefined
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if (isOptional && (!value || Array.isArray(value) && value.length === 1 && // fallback optional catch-all SSG pages have
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// [[...paramName]] for the root path on Vercel
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(value[0] === "index" || value[0] === `[[...${key}]]`))) {
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value = undefined;
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delete params[key];
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}
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// query values from the proxy aren't already split into arrays
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// so make sure to normalize catch-all values
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if (value && typeof value === "string" && defaultRouteRegex.groups[key].repeat) {
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value = value.split("/");
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}
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if (value) {
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prev[key] = value;
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}
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return prev;
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}, {});
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return {
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params,
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hasValidParams
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};
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}
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return {
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handleRewrites,
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defaultRouteRegex,
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dynamicRouteMatcher,
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defaultRouteMatches,
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getParamsFromRouteMatches,
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normalizeDynamicRouteParams,
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normalizeVercelUrl: (req, trustQuery, paramKeys)=>normalizeVercelUrl(req, trustQuery, paramKeys, pageIsDynamic, defaultRouteRegex),
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interpolateDynamicPath: (pathname, params)=>interpolateDynamicPath(pathname, params, defaultRouteRegex)
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};
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}
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//# sourceMappingURL=server-utils.js.map
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