"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "DomainLocale", {
    enumerable: true,
    get: function() {
        return _configShared.DomainLocale;
    }
});
Object.defineProperty(exports, "NextConfig", {
    enumerable: true,
    get: function() {
        return _configShared.NextConfig;
    }
});
Object.defineProperty(exports, "normalizeConfig", {
    enumerable: true,
    get: function() {
        return _configShared.normalizeConfig;
    }
});
exports.default = loadConfig;
exports.isTargetLikeServerless = isTargetLikeServerless;
exports.setHttpAgentOptions = setHttpAgentOptions;
var _chalk = _interopRequireDefault(require("chalk"));
var _findUp = _interopRequireDefault(require("next/dist/compiled/find-up"));
var _path = require("path");
var _http = require("http");
var _https = require("https");
var Log = _interopRequireWildcard(require("../build/output/log"));
var _constants = require("../shared/lib/constants");
var _utils = require("../shared/lib/utils");
var _configShared = require("./config-shared");
var _configUtils = require("./config-utils");
var _imageConfig = require("./image-config");
var _env = require("@next/env");
var _ciInfo = require("../telemetry/ci-info");
function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
        return obj;
    } else {
        var newObj = {
        };
        if (obj != null) {
            for(var key in obj){
                if (Object.prototype.hasOwnProperty.call(obj, key)) {
                    var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {
                    };
                    if (desc.get || desc.set) {
                        Object.defineProperty(newObj, key, desc);
                    } else {
                        newObj[key] = obj[key];
                    }
                }
            }
        }
        newObj.default = obj;
        return newObj;
    }
}
const targets = [
    'server',
    'serverless',
    'experimental-serverless-trace'
];
const experimentalWarning = (0, _utils).execOnce(()=>{
    Log.warn(_chalk.default.bold('You have enabled experimental feature(s).'));
    Log.warn(`Experimental features are not covered by semver, and may cause unexpected or broken application behavior. ` + `Use them at your own risk.`);
    console.warn();
});
function assignDefaults(userConfig) {
    var ref, ref1;
    if (typeof userConfig.exportTrailingSlash !== 'undefined') {
        console.warn(_chalk.default.yellow.bold('Warning: ') + 'The "exportTrailingSlash" option has been renamed to "trailingSlash". Please update your next.config.js.');
        if (typeof userConfig.trailingSlash === 'undefined') {
            userConfig.trailingSlash = userConfig.exportTrailingSlash;
        }
        delete userConfig.exportTrailingSlash;
    }
    if (typeof ((ref = userConfig.experimental) === null || ref === void 0 ? void 0 : ref.reactMode) !== 'undefined') {
        var ref;
        console.warn(_chalk.default.yellow.bold('Warning: ') + 'The experimental "reactMode" option has been replaced with "reactRoot". Please update your next.config.js.');
        if (typeof ((ref = userConfig.experimental) === null || ref === void 0 ? void 0 : ref.reactRoot) === 'undefined') {
            userConfig.experimental.reactRoot = [
                'concurrent',
                'blocking'
            ].includes(userConfig.experimental.reactMode);
        }
        delete userConfig.experimental.reactMode;
    }
    const config = Object.keys(userConfig).reduce((currentConfig, key)=>{
        const value = userConfig[key];
        if (value === undefined || value === null) {
            return currentConfig;
        }
        if (key === 'experimental' && value !== undefined && value !== _configShared.defaultConfig[key]) {
            experimentalWarning();
        }
        if (key === 'distDir') {
            if (typeof value !== 'string') {
                throw new Error(`Specified distDir is not a string, found type "${typeof value}"`);
            }
            const userDistDir = value.trim();
            // don't allow public as the distDir as this is a reserved folder for
            // public files
            if (userDistDir === 'public') {
                throw new Error(`The 'public' directory is reserved in Next.js and can not be set as the 'distDir'. https://nextjs.org/docs/messages/can-not-output-to-public`);
            }
            // make sure distDir isn't an empty string as it can result in the provided
            // directory being deleted in development mode
            if (userDistDir.length === 0) {
                throw new Error(`Invalid distDir provided, distDir can not be an empty string. Please remove this config or set it to undefined`);
            }
        }
        if (key === 'pageExtensions') {
            if (!Array.isArray(value)) {
                throw new Error(`Specified pageExtensions is not an array of strings, found "${value}". Please update this config or remove it.`);
            }
            if (!value.length) {
                throw new Error(`Specified pageExtensions is an empty array. Please update it with the relevant extensions or remove it.`);
            }
            value.forEach((ext)=>{
                if (typeof ext !== 'string') {
                    throw new Error(`Specified pageExtensions is not an array of strings, found "${ext}" of type "${typeof ext}". Please update this config or remove it.`);
                }
            });
        }
        if (!!value && value.constructor === Object) {
            currentConfig[key] = {
                ..._configShared.defaultConfig[key],
                ...Object.keys(value).reduce((c, k)=>{
                    const v = value[k];
                    if (v !== undefined && v !== null) {
                        c[k] = v;
                    }
                    return c;
                }, {
                })
            };
        } else {
            currentConfig[key] = value;
        }
        return currentConfig;
    }, {
    });
    const result = {
        ..._configShared.defaultConfig,
        ...config
    };
    if (typeof result.assetPrefix !== 'string') {
        throw new Error(`Specified assetPrefix is not a string, found type "${typeof result.assetPrefix}" https://nextjs.org/docs/messages/invalid-assetprefix`);
    }
    if (typeof result.basePath !== 'string') {
        throw new Error(`Specified basePath is not a string, found type "${typeof result.basePath}"`);
    }
    if (result.basePath !== '') {
        if (result.basePath === '/') {
            throw new Error(`Specified basePath /. basePath has to be either an empty string or a path prefix"`);
        }
        if (!result.basePath.startsWith('/')) {
            throw new Error(`Specified basePath has to start with a /, found "${result.basePath}"`);
        }
        if (result.basePath !== '/') {
            var ref;
            if (result.basePath.endsWith('/')) {
                throw new Error(`Specified basePath should not end with /, found "${result.basePath}"`);
            }
            if (result.assetPrefix === '') {
                result.assetPrefix = result.basePath;
            }
            if (((ref = result.amp) === null || ref === void 0 ? void 0 : ref.canonicalBase) === '') {
                result.amp.canonicalBase = result.basePath;
            }
        }
    }
    if (result === null || result === void 0 ? void 0 : result.images) {
        const images = result.images;
        if (typeof images !== 'object') {
            throw new Error(`Specified images should be an object received ${typeof images}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
        }
        if (images.domains) {
            var ref;
            if (!Array.isArray(images.domains)) {
                throw new Error(`Specified images.domains should be an Array received ${typeof images.domains}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            // static images are automatically prefixed with assetPrefix
            // so we need to ensure _next/image allows downloading from
            // this resource
            if ((ref = config.assetPrefix) === null || ref === void 0 ? void 0 : ref.startsWith('http')) {
                images.domains.push(new URL(config.assetPrefix).hostname);
            }
            if (images.domains.length > 50) {
                throw new Error(`Specified images.domains exceeds length of 50, received length (${images.domains.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            const invalid = images.domains.filter((d)=>typeof d !== 'string'
            );
            if (invalid.length > 0) {
                throw new Error(`Specified images.domains should be an Array of strings received invalid values (${invalid.join(', ')}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
        }
        if (images.deviceSizes) {
            const { deviceSizes  } = images;
            if (!Array.isArray(deviceSizes)) {
                throw new Error(`Specified images.deviceSizes should be an Array received ${typeof deviceSizes}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            if (deviceSizes.length > 25) {
                throw new Error(`Specified images.deviceSizes exceeds length of 25, received length (${deviceSizes.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            const invalid = deviceSizes.filter((d)=>{
                return typeof d !== 'number' || d < 1 || d > 10000;
            });
            if (invalid.length > 0) {
                throw new Error(`Specified images.deviceSizes should be an Array of numbers that are between 1 and 10000, received invalid values (${invalid.join(', ')}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
        }
        if (images.imageSizes) {
            const { imageSizes  } = images;
            if (!Array.isArray(imageSizes)) {
                throw new Error(`Specified images.imageSizes should be an Array received ${typeof imageSizes}.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            if (imageSizes.length > 25) {
                throw new Error(`Specified images.imageSizes exceeds length of 25, received length (${imageSizes.length}), please reduce the length of the array to continue.\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
            const invalid = imageSizes.filter((d)=>{
                return typeof d !== 'number' || d < 1 || d > 10000;
            });
            if (invalid.length > 0) {
                throw new Error(`Specified images.imageSizes should be an Array of numbers that are between 1 and 10000, received invalid values (${invalid.join(', ')}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
            }
        }
        if (!images.loader) {
            images.loader = 'default';
        }
        if (!_imageConfig.VALID_LOADERS.includes(images.loader)) {
            throw new Error(`Specified images.loader should be one of (${_imageConfig.VALID_LOADERS.join(', ')}), received invalid value (${images.loader}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
        }
        // Append trailing slash for non-default loaders and when trailingSlash is set
        if (images.path) {
            if (images.loader !== 'default' && images.path[images.path.length - 1] !== '/' || result.trailingSlash) {
                images.path += '/';
            }
        }
        if (images.path === _imageConfig.imageConfigDefault.path && result.basePath) {
            images.path = `${result.basePath}${images.path}`;
        }
        if (images.minimumCacheTTL && (!Number.isInteger(images.minimumCacheTTL) || images.minimumCacheTTL < 0)) {
            throw new Error(`Specified images.minimumCacheTTL should be an integer 0 or more
          ', '
        )}), received  (${images.minimumCacheTTL}).\nSee more info here: https://nextjs.org/docs/messages/invalid-images-config`);
        }
    }
    if (result.webpack5 === false) {
        throw new Error('Webpack 4 is no longer supported in Next.js. Please upgrade to webpack 5 by removing "webpack5: false" from next.config.js. https://nextjs.org/docs/messages/webpack5');
    }
    if (result.experimental && 'nftTracing' in result.experimental) {
        // TODO: remove this warning and assignment when we leave experimental phase
        Log.warn(`Experimental \`nftTracing\` has been renamed to \`outputFileTracing\`. Please update your next.config.js file accordingly.`);
        result.experimental.outputFileTracing = result.experimental.nftTracing;
    }
    // TODO: Change defaultConfig type to NextConfigComplete
    // so we don't need "!" here.
    setHttpAgentOptions(result.httpAgentOptions || _configShared.defaultConfig.httpAgentOptions);
    if (result.i18n) {
        const { i18n  } = result;
        const i18nType = typeof i18n;
        if (i18nType !== 'object') {
            throw new Error(`Specified i18n should be an object received ${i18nType}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        if (!Array.isArray(i18n.locales)) {
            throw new Error(`Specified i18n.locales should be an Array received ${typeof i18n.locales}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        if (i18n.locales.length > 100) {
            Log.warn(`Received ${i18n.locales.length} i18n.locales items which exceeds the recommended max of 100.\nSee more info here: https://nextjs.org/docs/advanced-features/i18n-routing#how-does-this-work-with-static-generation`);
        }
        const defaultLocaleType = typeof i18n.defaultLocale;
        if (!i18n.defaultLocale || defaultLocaleType !== 'string') {
            throw new Error(`Specified i18n.defaultLocale should be a string.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        if (typeof i18n.domains !== 'undefined' && !Array.isArray(i18n.domains)) {
            throw new Error(`Specified i18n.domains must be an array of domain objects e.g. [ { domain: 'example.fr', defaultLocale: 'fr', locales: ['fr'] } ] received ${typeof i18n.domains}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        if (i18n.domains) {
            const invalidDomainItems = i18n.domains.filter((item)=>{
                var ref;
                if (!item || typeof item !== 'object') return true;
                if (!item.defaultLocale) return true;
                if (!item.domain || typeof item.domain !== 'string') return true;
                const defaultLocaleDuplicate = (ref = i18n.domains) === null || ref === void 0 ? void 0 : ref.find((altItem)=>altItem.defaultLocale === item.defaultLocale && altItem.domain !== item.domain
                );
                if (defaultLocaleDuplicate) {
                    console.warn(`Both ${item.domain} and ${defaultLocaleDuplicate.domain} configured the defaultLocale ${item.defaultLocale} but only one can. Change one item's default locale to continue`);
                    return true;
                }
                let hasInvalidLocale = false;
                if (Array.isArray(item.locales)) {
                    for (const locale of item.locales){
                        if (typeof locale !== 'string') hasInvalidLocale = true;
                        for (const domainItem of i18n.domains || []){
                            if (domainItem === item) continue;
                            if (domainItem.locales && domainItem.locales.includes(locale)) {
                                console.warn(`Both ${item.domain} and ${domainItem.domain} configured the locale (${locale}) but only one can. Remove it from one i18n.domains config to continue`);
                                hasInvalidLocale = true;
                                break;
                            }
                        }
                    }
                }
                return hasInvalidLocale;
            });
            if (invalidDomainItems.length > 0) {
                throw new Error(`Invalid i18n.domains values:\n${invalidDomainItems.map((item)=>JSON.stringify(item)
                ).join('\n')}\n\ndomains value must follow format { domain: 'example.fr', defaultLocale: 'fr', locales: ['fr'] }.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
            }
        }
        if (!Array.isArray(i18n.locales)) {
            throw new Error(`Specified i18n.locales must be an array of locale strings e.g. ["en-US", "nl-NL"] received ${typeof i18n.locales}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        const invalidLocales = i18n.locales.filter((locale)=>typeof locale !== 'string'
        );
        if (invalidLocales.length > 0) {
            throw new Error(`Specified i18n.locales contains invalid values (${invalidLocales.map(String).join(', ')}), locales must be valid locale tags provided as strings e.g. "en-US".\n` + `See here for list of valid language sub-tags: http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry`);
        }
        if (!i18n.locales.includes(i18n.defaultLocale)) {
            throw new Error(`Specified i18n.defaultLocale should be included in i18n.locales.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
        // make sure default Locale is at the front
        i18n.locales = [
            i18n.defaultLocale,
            ...i18n.locales.filter((locale)=>locale !== i18n.defaultLocale
            ), 
        ];
        const localeDetectionType = typeof i18n.localeDetection;
        if (localeDetectionType !== 'boolean' && localeDetectionType !== 'undefined') {
            throw new Error(`Specified i18n.localeDetection should be undefined or a boolean received ${localeDetectionType}.\nSee more info here: https://nextjs.org/docs/messages/invalid-i18n-config`);
        }
    }
    if ((ref1 = result.experimental) === null || ref1 === void 0 ? void 0 : ref1.serverComponents) {
        const pageExtensions = [];
        (result.pageExtensions || []).forEach((ext)=>{
            pageExtensions.push(ext);
            pageExtensions.push(`server.${ext}`);
            pageExtensions.push(`client.${ext}`);
        });
        result.pageExtensions = pageExtensions;
    }
    return result;
}
async function loadConfig(phase, dir, customConfig) {
    await (0, _env).loadEnvConfig(dir, phase === _constants.PHASE_DEVELOPMENT_SERVER, Log);
    await (0, _configUtils).loadWebpackHook();
    if (customConfig) {
        return assignDefaults({
            configOrigin: 'server',
            ...customConfig
        });
    }
    const path = await (0, _findUp).default(_constants.CONFIG_FILE, {
        cwd: dir
    });
    // If config file was found
    if (path === null || path === void 0 ? void 0 : path.length) {
        var ref;
        let userConfigModule;
        try {
            userConfigModule = require(path);
        } catch (err) {
            console.error(_chalk.default.red('Error:') + ' failed to load next.config.js, see more info here https://nextjs.org/docs/messages/next-config-error');
            throw err;
        }
        const userConfig = (0, _configShared).normalizeConfig(phase, userConfigModule.default || userConfigModule);
        if (Object.keys(userConfig).length === 0) {
            Log.warn('Detected next.config.js, no exported configuration found. https://nextjs.org/docs/messages/empty-configuration');
        }
        if (userConfig.target && !targets.includes(userConfig.target)) {
            throw new Error(`Specified target is invalid. Provided: "${userConfig.target}" should be one of ${targets.join(', ')}`);
        }
        if ((ref = userConfig.amp) === null || ref === void 0 ? void 0 : ref.canonicalBase) {
            const { canonicalBase  } = userConfig.amp || {
            };
            userConfig.amp = userConfig.amp || {
            };
            userConfig.amp.canonicalBase = (canonicalBase.endsWith('/') ? canonicalBase.slice(0, -1) : canonicalBase) || '';
        }
        if (process.env.NEXT_PRIVATE_TARGET || _ciInfo.hasNextSupport) {
            userConfig.target = process.env.NEXT_PRIVATE_TARGET || 'server';
        }
        return assignDefaults({
            configOrigin: _constants.CONFIG_FILE,
            configFile: path,
            ...userConfig
        });
    } else {
        const configBaseName = (0, _path).basename(_constants.CONFIG_FILE, (0, _path).extname(_constants.CONFIG_FILE));
        const nonJsPath = _findUp.default.sync([
            `${configBaseName}.jsx`,
            `${configBaseName}.ts`,
            `${configBaseName}.tsx`,
            `${configBaseName}.json`, 
        ], {
            cwd: dir
        });
        if (nonJsPath === null || nonJsPath === void 0 ? void 0 : nonJsPath.length) {
            throw new Error(`Configuring Next.js via '${(0, _path).basename(nonJsPath)}' is not supported. Please replace the file with 'next.config.js'.`);
        }
    }
    const completeConfig = _configShared.defaultConfig;
    setHttpAgentOptions(completeConfig.httpAgentOptions);
    return completeConfig;
}
function isTargetLikeServerless(target) {
    const isServerless = target === 'serverless';
    const isServerlessTrace = target === 'experimental-serverless-trace';
    return isServerless || isServerlessTrace;
}
function setHttpAgentOptions(options) {
    if (global.__NEXT_HTTP_AGENT) {
        // We only need to assign once because we want
        // to resuse the same agent for all requests.
        return;
    }
    if (!options) {
        throw new Error('Expected config.httpAgentOptions to be an object');
    }
    global.__NEXT_HTTP_AGENT = new _http.Agent(options);
    global.__NEXT_HTTPS_AGENT = new _https.Agent(options);
}

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