next-csrf/example/node_modules/next/dist/next-server/server/config.js

CSRF mitigation library for Next.js

"use strict";exports.__esModule=true;exports.normalizeConfig=normalizeConfig;exports.default=loadConfig;exports.isTargetLikeServerless=isTargetLikeServerless;var _chalk=_interopRequireDefault(require("next/dist/compiled/chalk"));var _findUp=_interopRequireDefault(require("next/dist/compiled/find-up"));var _os=_interopRequireDefault(require("os"));var _path=require("path");var Log=_interopRequireWildcard(require("../../build/output/log"));var _constants=require("../lib/constants");var _utils=require("../lib/utils");function _getRequireWildcardCache(){if(typeof WeakMap!=="function")return null;var cache=new WeakMap();_getRequireWildcardCache=function(){return cache;};return cache;}function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}if(obj===null||typeof obj!=="object"&&typeof obj!=="function"){return{default:obj};}var cache=_getRequireWildcardCache();if(cache&&cache.has(obj)){return cache.get(obj);}var newObj={};var hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;if(desc&&(desc.get||desc.set)){Object.defineProperty(newObj,key,desc);}else{newObj[key]=obj[key];}}}newObj.default=obj;if(cache){cache.set(obj,newObj);}return newObj;}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}const targets=['server','serverless','experimental-serverless-trace'];const reactModes=['legacy','blocking','concurrent'];const defaultConfig={env:[],webpack:null,webpackDevMiddleware:null,distDir:'.next',assetPrefix:'',configOrigin:'default',useFileSystemPublicRoutes:true,generateBuildId:()=>null,generateEtags:true,pageExtensions:['tsx','ts','jsx','js'],target:'server',poweredByHeader:true,compress:true,devIndicators:{buildActivity:true,autoPrerender:true},onDemandEntries:{maxInactiveAge:60*1000,pagesBufferLength:2},amp:{canonicalBase:''},basePath:'',sassOptions:{},trailingSlash:false,experimental:{cpus:Math.max(1,(Number(process.env.CIRCLE_NODE_TOTAL)||(_os.default.cpus()||{length:1}).length)-1),modern:false,plugins:false,profiling:false,sprFlushToDisk:true,reactMode:'legacy',workerThreads:false,pageEnv:false,productionBrowserSourceMaps:false,optimizeFonts:false,optimizeImages:false,scrollRestoration:false},future:{excludeDefaultMomentLocales:false},serverRuntimeConfig:{},publicRuntimeConfig:{},reactStrictMode:false};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){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;}const config=Object.keys(userConfig).reduce((currentConfig,key)=>{const value=userConfig[key];if(value===undefined||value===null){return currentConfig;}if(key==='experimental'&&value&&value!==defaultConfig[key]){experimentalWarning();}if(key==='distDir'){if(typeof value!=='string'){throw new Error(`Specified distDir is not a string, found type "${typeof value}"`);}const userDistDir=value.trim();// don't allow public as the distDir as this is a reserved folder for
// public files
if(userDistDir==='public'){throw new Error(`The 'public' directory is reserved in Next.js and can not be set as the 'distDir'. https://err.sh/vercel/next.js/can-not-output-to-public`);}// make sure distDir isn't an empty string as it can result in the provided
// directory being deleted in development mode
if(userDistDir.length===0){throw new Error(`Invalid distDir provided, distDir can not be an empty string. Please remove this config or set it to undefined`);}}if(key==='pageExtensions'){if(!Array.isArray(value)){throw new Error(`Specified pageExtensions is not an array of strings, found "${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]={...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={...defaultConfig,...config};if(typeof result.assetPrefix!=='string'){throw new Error(`Specified assetPrefix is not a string, found type "${typeof result.assetPrefix}" https://err.sh/vercel/next.js/invalid-assetprefix`);}if(result.experimental){if(typeof result.basePath!=='string'){throw new Error(`Specified basePath is not a string, found type "${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 "${result.basePath}"`);}if(result.basePath!=='/'){if(result.basePath.endsWith('/')){throw new Error(`Specified basePath should not end with /, found "${result.basePath}"`);}if(result.assetPrefix===''){result.assetPrefix=result.basePath;}if(result.amp.canonicalBase===''){result.amp.canonicalBase=result.basePath;}}}}return result;}function normalizeConfig(phase,config){if(typeof config==='function'){config=config(phase,{defaultConfig});if(typeof config.then==='function'){throw new Error('> Promise returned in next config. https://err.sh/vercel/next.js/promise-in-next-config');}}return config;}function loadConfig(phase,dir,customConfig){if(customConfig){return assignDefaults({configOrigin:'server',...customConfig});}const path=_findUp.default.sync(_constants.CONFIG_FILE,{cwd:dir});// If config file was found
if(path===null||path===void 0?void 0:path.length){var _userConfig$amp,_userConfig$experimen;const userConfigModule=require(path);const userConfig=normalizeConfig(phase,userConfigModule.default||userConfigModule);if(Object.keys(userConfig).length===0){Log.warn('Detected next.config.js, no exported configuration found. https://err.sh/vercel/next.js/empty-configuration');}if(userConfig.target&&!targets.includes(userConfig.target)){throw new Error(`Specified target is invalid. Provided: "${userConfig.target}" should be one of ${targets.join(', ')}`);}if((_userConfig$amp=userConfig.amp)===null||_userConfig$amp===void 0?void 0:_userConfig$amp.canonicalBase){const{canonicalBase}=userConfig.amp||{};userConfig.amp=userConfig.amp||{};userConfig.amp.canonicalBase=(canonicalBase.endsWith('/')?canonicalBase.slice(0,-1):canonicalBase)||'';}if(((_userConfig$experimen=userConfig.experimental)===null||_userConfig$experimen===void 0?void 0:_userConfig$experimen.reactMode)&&!reactModes.includes(userConfig.experimental.reactMode)){throw new Error(`Specified React Mode is invalid. Provided: ${userConfig.experimental.reactMode} should be one of ${reactModes.join(', ')}`);}return assignDefaults({configOrigin:_constants.CONFIG_FILE,configFile:path,...userConfig});}else{const configBaseName=(0,_path.basename)(_constants.CONFIG_FILE,(0,_path.extname)(_constants.CONFIG_FILE));const nonJsPath=_findUp.default.sync([`${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'.`);}}return defaultConfig;}function isTargetLikeServerless(target){const isServerless=target==='serverless';const isServerlessTrace=target==='experimental-serverless-trace';return isServerless||isServerlessTrace;}
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