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504 lines
21 KiB
JavaScript
504 lines
21 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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normalizeRouteRegex: null,
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checkCustomRoutes: null,
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default: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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normalizeRouteRegex: function() {
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return normalizeRouteRegex;
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},
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checkCustomRoutes: function() {
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return checkCustomRoutes;
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},
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default: function() {
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return loadCustomRoutes;
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}
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});
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const _picocolors = require("./picocolors");
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const _escaperegexp = require("../shared/lib/escape-regexp");
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const _trytoparsepath = require("./try-to-parse-path");
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const _redirectstatus = require("./redirect-status");
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const allowedHasTypes = new Set([
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"header",
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"cookie",
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"query",
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"host"
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]);
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const namedGroupsRegex = /\(\?<([a-zA-Z][a-zA-Z0-9]*)>/g;
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function normalizeRouteRegex(regex) {
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// clean up un-necessary escaping from regex.source which turns / into \\/
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return regex.replace(/\\\//g, "/");
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}
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function checkRedirect(route) {
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const invalidParts = [];
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let hadInvalidStatus = false;
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if (route.statusCode && !_redirectstatus.allowedStatusCodes.has(route["statusCode"])) {
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hadInvalidStatus = true;
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invalidParts.push(`\`statusCode\` is not undefined or valid statusCode`);
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}
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if (typeof route.permanent !== "boolean" && !route["statusCode"]) {
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invalidParts.push(`\`permanent\` is not set to \`true\` or \`false\``);
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}
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return {
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invalidParts,
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hadInvalidStatus
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};
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}
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function checkHeader(route) {
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const invalidParts = [];
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if (!Array.isArray(route.headers)) {
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invalidParts.push("`headers` field must be an array");
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} else if (route.headers.length === 0) {
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invalidParts.push("`headers` field cannot be empty");
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} else {
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for (const header of route.headers){
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if (!header || typeof header !== "object") {
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invalidParts.push("`headers` items must be object with { key: '', value: '' }");
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break;
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}
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if (typeof header.key !== "string") {
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invalidParts.push("`key` in header item must be string");
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break;
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}
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if (typeof header.value !== "string") {
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invalidParts.push("`value` in header item must be string");
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break;
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}
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}
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}
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return invalidParts;
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}
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function checkCustomRoutes(routes, type) {
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if (!Array.isArray(routes)) {
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console.error(`Error: ${type}s must return an array, received ${typeof routes}.\n` + `See here for more info: https://nextjs.org/docs/messages/routes-must-be-array`);
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process.exit(1);
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}
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let numInvalidRoutes = 0;
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let hadInvalidStatus = false;
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let hadInvalidHas = false;
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let hadInvalidMissing = false;
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const allowedKeys = new Set([
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"source",
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"locale",
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"has",
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"missing"
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]);
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if (type === "rewrite") {
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allowedKeys.add("basePath");
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allowedKeys.add("destination");
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}
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if (type === "redirect") {
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allowedKeys.add("basePath");
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allowedKeys.add("statusCode");
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allowedKeys.add("permanent");
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allowedKeys.add("destination");
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}
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if (type === "header") {
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allowedKeys.add("basePath");
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allowedKeys.add("headers");
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}
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for (const route of routes){
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if (!route || typeof route !== "object") {
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console.error(`The route ${JSON.stringify(route)} is not a valid object with \`source\`${type !== "middleware" ? ` and \`${type === "header" ? "headers" : "destination"}\`` : ""}`);
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numInvalidRoutes++;
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continue;
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}
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if (type === "rewrite" && route.basePath === false && !(route.destination.startsWith("http://") || route.destination.startsWith("https://"))) {
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console.error(`The route ${route.source} rewrites urls outside of the basePath. Please use a destination that starts with \`http://\` or \`https://\` https://nextjs.org/docs/messages/invalid-external-rewrite`);
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numInvalidRoutes++;
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continue;
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}
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const keys = Object.keys(route);
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const invalidKeys = keys.filter((key)=>!allowedKeys.has(key));
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const invalidParts = [];
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if ("basePath" in route && typeof route.basePath !== "undefined" && route.basePath !== false) {
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invalidParts.push("`basePath` must be undefined or false");
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}
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if (typeof route.locale !== "undefined" && route.locale !== false) {
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invalidParts.push("`locale` must be undefined or false");
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}
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const checkInvalidHasMissing = (items, fieldName)=>{
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let hadInvalidItem = false;
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if (typeof items !== "undefined" && !Array.isArray(items)) {
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invalidParts.push(`\`${fieldName}\` must be undefined or valid has object`);
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hadInvalidItem = true;
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} else if (items) {
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const invalidHasItems = [];
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for (const hasItem of items){
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let invalidHasParts = [];
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if (!allowedHasTypes.has(hasItem.type)) {
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invalidHasParts.push(`invalid type "${hasItem.type}"`);
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}
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if (typeof hasItem.key !== "string" && hasItem.type !== "host") {
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invalidHasParts.push(`invalid key "${hasItem.key}"`);
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}
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if (typeof hasItem.value !== "undefined" && typeof hasItem.value !== "string") {
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invalidHasParts.push(`invalid value "${hasItem.value}"`);
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}
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if (typeof hasItem.value === "undefined" && hasItem.type === "host") {
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invalidHasParts.push(`value is required for "host" type`);
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}
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if (invalidHasParts.length > 0) {
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invalidHasItems.push(`${invalidHasParts.join(", ")} for ${JSON.stringify(hasItem)}`);
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}
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}
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if (invalidHasItems.length > 0) {
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hadInvalidItem = true;
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const itemStr = `item${invalidHasItems.length === 1 ? "" : "s"}`;
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console.error(`Invalid \`${fieldName}\` ${itemStr}:\n` + invalidHasItems.join("\n"));
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console.error();
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invalidParts.push(`invalid \`${fieldName}\` ${itemStr} found`);
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}
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}
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return hadInvalidItem;
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};
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if (checkInvalidHasMissing(route.has, "has")) {
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hadInvalidHas = true;
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}
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if (checkInvalidHasMissing(route.missing, "missing")) {
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hadInvalidMissing = true;
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}
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if (!route.source) {
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invalidParts.push("`source` is missing");
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} else if (typeof route.source !== "string") {
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invalidParts.push("`source` is not a string");
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} else if (!route.source.startsWith("/")) {
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invalidParts.push("`source` does not start with /");
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}
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if (type === "header") {
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invalidParts.push(...checkHeader(route));
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} else if (type !== "middleware") {
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let _route = route;
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if (!_route.destination) {
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invalidParts.push("`destination` is missing");
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} else if (typeof _route.destination !== "string") {
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invalidParts.push("`destination` is not a string");
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} else if (type === "rewrite" && !_route.destination.match(/^(\/|https:\/\/|http:\/\/)/)) {
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invalidParts.push("`destination` does not start with `/`, `http://`, or `https://`");
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}
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}
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if (type === "redirect") {
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const result = checkRedirect(route);
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hadInvalidStatus = hadInvalidStatus || result.hadInvalidStatus;
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invalidParts.push(...result.invalidParts);
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}
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let sourceTokens;
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if (typeof route.source === "string" && route.source.startsWith("/")) {
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// only show parse error if we didn't already show error
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// for not being a string
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const { tokens, error, regexStr } = (0, _trytoparsepath.tryToParsePath)(route.source);
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if (error) {
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invalidParts.push("`source` parse failed");
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}
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if (regexStr && regexStr.length > 4096) {
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invalidParts.push("`source` exceeds max built length of 4096");
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}
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sourceTokens = tokens;
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}
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const hasSegments = new Set();
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if (route.has) {
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for (const hasItem of route.has){
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if (!hasItem.value && hasItem.key) {
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hasSegments.add(hasItem.key);
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}
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if (hasItem.value) {
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for (const match of hasItem.value.matchAll(namedGroupsRegex)){
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if (match[1]) {
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hasSegments.add(match[1]);
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}
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}
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if (hasItem.type === "host") {
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hasSegments.add("host");
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}
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}
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}
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}
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// make sure no unnamed patterns are attempted to be used in the
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// destination as this can cause confusion and is not allowed
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if (typeof route.destination === "string") {
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if (route.destination.startsWith("/") && Array.isArray(sourceTokens)) {
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const unnamedInDest = new Set();
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for (const token of sourceTokens){
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if (typeof token === "object" && typeof token.name === "number") {
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const unnamedIndex = new RegExp(`:${token.name}(?!\\d)`);
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if (route.destination.match(unnamedIndex)) {
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unnamedInDest.add(`:${token.name}`);
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}
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}
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}
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if (unnamedInDest.size > 0) {
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invalidParts.push(`\`destination\` has unnamed params ${[
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...unnamedInDest
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].join(", ")}`);
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} else {
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const { tokens: destTokens, regexStr: destRegexStr, error: destinationParseFailed } = (0, _trytoparsepath.tryToParsePath)(route.destination, {
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handleUrl: true
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});
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if (destRegexStr && destRegexStr.length > 4096) {
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invalidParts.push("`destination` exceeds max built length of 4096");
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}
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if (destinationParseFailed) {
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invalidParts.push("`destination` parse failed");
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} else {
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const sourceSegments = new Set(sourceTokens.map((item)=>typeof item === "object" && item.name).filter(Boolean));
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const invalidDestSegments = new Set();
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for (const token of destTokens){
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if (typeof token === "object" && !sourceSegments.has(token.name) && !hasSegments.has(token.name)) {
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invalidDestSegments.add(token.name);
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}
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}
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if (invalidDestSegments.size) {
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invalidParts.push(`\`destination\` has segments not in \`source\` or \`has\` (${[
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...invalidDestSegments
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].join(", ")})`);
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}
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}
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}
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}
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}
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const hasInvalidKeys = invalidKeys.length > 0;
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const hasInvalidParts = invalidParts.length > 0;
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if (hasInvalidKeys || hasInvalidParts) {
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console.error(`${invalidParts.join(", ")}${invalidKeys.length ? (hasInvalidParts ? "," : "") + ` invalid field${invalidKeys.length === 1 ? "" : "s"}: ` + invalidKeys.join(",") : ""} for route ${JSON.stringify(route)}`);
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console.error();
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numInvalidRoutes++;
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}
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}
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if (numInvalidRoutes > 0) {
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if (hadInvalidStatus) {
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console.error(`\nValid redirect statusCode values are ${[
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..._redirectstatus.allowedStatusCodes
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].join(", ")}`);
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}
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if (hadInvalidHas) {
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console.error(`\nValid \`has\` object shape is ${JSON.stringify({
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type: [
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...allowedHasTypes
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].join(", "),
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key: "the key to check for",
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value: "undefined or a value string to match against"
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}, null, 2)}`);
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}
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if (hadInvalidMissing) {
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console.error(`\nValid \`missing\` object shape is ${JSON.stringify({
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type: [
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...allowedHasTypes
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].join(", "),
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key: "the key to check for",
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value: "undefined or a value string to match against"
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}, null, 2)}`);
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}
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console.error();
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console.error(`Error: Invalid ${type}${numInvalidRoutes === 1 ? "" : "s"} found`);
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process.exit(1);
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}
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}
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function processRoutes(routes, config, type) {
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const _routes = routes;
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const newRoutes = [];
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const defaultLocales = [];
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if (config.i18n && type === "redirect") {
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var _config_i18n;
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for (const item of ((_config_i18n = config.i18n) == null ? void 0 : _config_i18n.domains) || []){
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defaultLocales.push({
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locale: item.defaultLocale,
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base: `http${item.http ? "" : "s"}://${item.domain}`
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});
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}
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defaultLocales.push({
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locale: config.i18n.defaultLocale,
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base: ""
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});
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}
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for (const r of _routes){
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var _r_destination;
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const srcBasePath = config.basePath && r.basePath !== false ? config.basePath : "";
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const isExternal = !((_r_destination = r.destination) == null ? void 0 : _r_destination.startsWith("/"));
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const destBasePath = srcBasePath && !isExternal ? srcBasePath : "";
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if (config.i18n && r.locale !== false) {
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var _r_destination1;
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if (!isExternal) {
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defaultLocales.forEach((item)=>{
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let destination;
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if (r.destination) {
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destination = item.base ? `${item.base}${destBasePath}${r.destination}` : `${destBasePath}${r.destination}`;
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}
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newRoutes.push({
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...r,
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destination,
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source: `${srcBasePath}/${item.locale}${r.source === "/" && !config.trailingSlash ? "" : r.source}`
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});
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});
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}
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r.source = `/:nextInternalLocale(${config.i18n.locales.map((locale)=>(0, _escaperegexp.escapeStringRegexp)(locale)).join("|")})${r.source === "/" && !config.trailingSlash ? "" : r.source}`;
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if (r.destination && ((_r_destination1 = r.destination) == null ? void 0 : _r_destination1.startsWith("/"))) {
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r.destination = `/:nextInternalLocale${r.destination === "/" && !config.trailingSlash ? "" : r.destination}`;
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}
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}
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r.source = `${srcBasePath}${r.source === "/" && srcBasePath ? "" : r.source}`;
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if (r.destination) {
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r.destination = `${destBasePath}${r.destination === "/" && destBasePath ? "" : r.destination}`;
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}
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newRoutes.push(r);
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}
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return newRoutes;
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}
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async function loadRedirects(config) {
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if (typeof config.redirects !== "function") {
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return [];
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}
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let redirects = await config.redirects();
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// check before we process the routes and after to ensure
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// they are still valid
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checkCustomRoutes(redirects, "redirect");
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// save original redirects before transforms
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if (Array.isArray(redirects)) {
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config._originalRedirects = redirects.map((r)=>({
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...r
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}));
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}
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redirects = processRoutes(redirects, config, "redirect");
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checkCustomRoutes(redirects, "redirect");
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return redirects;
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}
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async function loadRewrites(config) {
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if (typeof config.rewrites !== "function") {
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return {
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beforeFiles: [],
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afterFiles: [],
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fallback: []
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};
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}
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const _rewrites = await config.rewrites();
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let beforeFiles = [];
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let afterFiles = [];
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let fallback = [];
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if (!Array.isArray(_rewrites) && typeof _rewrites === "object" && Object.keys(_rewrites).every((key)=>key === "beforeFiles" || key === "afterFiles" || key === "fallback")) {
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beforeFiles = _rewrites.beforeFiles || [];
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afterFiles = _rewrites.afterFiles || [];
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fallback = _rewrites.fallback || [];
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} else {
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afterFiles = _rewrites;
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}
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// check before we process the routes and after to ensure
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// they are still valid
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checkCustomRoutes(beforeFiles, "rewrite");
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checkCustomRoutes(afterFiles, "rewrite");
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checkCustomRoutes(fallback, "rewrite");
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// save original rewrites before transforms
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config._originalRewrites = {
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beforeFiles: beforeFiles.map((r)=>({
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...r
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})),
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afterFiles: afterFiles.map((r)=>({
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...r
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})),
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fallback: fallback.map((r)=>({
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...r
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}))
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};
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beforeFiles = processRoutes(beforeFiles, config, "rewrite");
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afterFiles = processRoutes(afterFiles, config, "rewrite");
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fallback = processRoutes(fallback, config, "rewrite");
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checkCustomRoutes(beforeFiles, "rewrite");
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checkCustomRoutes(afterFiles, "rewrite");
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checkCustomRoutes(fallback, "rewrite");
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return {
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beforeFiles,
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afterFiles,
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fallback
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};
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}
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|
async function loadHeaders(config) {
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if (typeof config.headers !== "function") {
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return [];
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}
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|
let headers = await config.headers();
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// check before we process the routes and after to ensure
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// they are still valid
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checkCustomRoutes(headers, "header");
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headers = processRoutes(headers, config, "header");
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checkCustomRoutes(headers, "header");
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return headers;
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}
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|
async function loadCustomRoutes(config) {
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const [headers, rewrites, redirects] = await Promise.all([
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loadHeaders(config),
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loadRewrites(config),
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loadRedirects(config)
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]);
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const totalRewrites = rewrites.beforeFiles.length + rewrites.afterFiles.length + rewrites.fallback.length;
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const totalRoutes = headers.length + redirects.length + totalRewrites;
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if (totalRoutes > 1000) {
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console.warn((0, _picocolors.bold)((0, _picocolors.yellow)(`Warning: `)) + `total number of custom routes exceeds 1000, this can reduce performance. Route counts:\n` + `headers: ${headers.length}\n` + `rewrites: ${totalRewrites}\n` + `redirects: ${redirects.length}\n` + `See more info: https://nextjs.org/docs/messages/max-custom-routes-reached`);
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}
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if (!config.skipTrailingSlashRedirect) {
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if (config.trailingSlash) {
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redirects.unshift({
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source: "/:file((?!\\.well-known(?:/.*)?)(?:[^/]+/)*[^/]+\\.\\w+)/",
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destination: "/:file",
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permanent: true,
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locale: config.i18n ? false : undefined,
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internal: true,
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// don't run this redirect for _next/data requests
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missing: [
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{
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type: "header",
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key: "x-nextjs-data"
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}
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]
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}, {
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source: "/:notfile((?!\\.well-known(?:/.*)?)(?:[^/]+/)*[^/\\.]+)",
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destination: "/:notfile/",
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permanent: true,
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locale: config.i18n ? false : undefined,
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internal: true
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});
|
|
if (config.basePath) {
|
|
redirects.unshift({
|
|
source: config.basePath,
|
|
destination: config.basePath + "/",
|
|
permanent: true,
|
|
basePath: false,
|
|
locale: config.i18n ? false : undefined,
|
|
internal: true
|
|
});
|
|
}
|
|
} else {
|
|
redirects.unshift({
|
|
source: "/:path+/",
|
|
destination: "/:path+",
|
|
permanent: true,
|
|
locale: config.i18n ? false : undefined,
|
|
internal: true
|
|
});
|
|
if (config.basePath) {
|
|
redirects.unshift({
|
|
source: config.basePath + "/",
|
|
destination: config.basePath,
|
|
permanent: true,
|
|
basePath: false,
|
|
locale: config.i18n ? false : undefined,
|
|
internal: true
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
headers,
|
|
rewrites,
|
|
redirects
|
|
};
|
|
}
|
|
|
|
//# sourceMappingURL=load-custom-routes.js.map
|