Download next.js/packages/next/src/server/dev/log-requests.ts from Devendra174/react-code-dataset: direct link, hf CLI and curl.
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4.72 kB
| import { | |
| blue, | |
| bold, | |
| gray, | |
| green, | |
| red, | |
| white, | |
| yellow, | |
| } from '../../lib/picocolors' | |
| import { stripNextRscUnionQuery } from '../../lib/url' | |
| import type { FetchMetric } from '../base-http' | |
| import type { NodeNextRequest, NodeNextResponse } from '../base-http/node' | |
| import type { LoggingConfig } from '../config-shared' | |
| import { getRequestMeta } from '../request-meta' | |
| export interface RequestLoggingOptions { | |
| readonly request: NodeNextRequest | |
| readonly response: NodeNextResponse | |
| readonly loggingConfig: LoggingConfig | undefined | |
| readonly requestDurationInMs: number | |
| } | |
| /** | |
| * Returns true if the incoming request should be ignored for logging. | |
| */ | |
| export function ignoreLoggingIncomingRequests( | |
| request: NodeNextRequest, | |
| loggingConfig: LoggingConfig | undefined | |
| ): boolean { | |
| // If it's boolean use the boolean value | |
| if (typeof loggingConfig?.incomingRequests === 'boolean') { | |
| return !loggingConfig.incomingRequests | |
| } | |
| // Any of the value on the chain is falsy, will not ignore the request. | |
| const ignore = loggingConfig?.incomingRequests?.ignore | |
| // If ignore is not set, don't ignore anything | |
| if (!ignore) { | |
| return false | |
| } | |
| // If array of RegExp, ignore if any pattern matches | |
| return ignore.some((pattern) => pattern.test(request.url)) | |
| } | |
| export function logRequests(options: RequestLoggingOptions): void { | |
| const { request, response, loggingConfig, requestDurationInMs } = options | |
| if (!ignoreLoggingIncomingRequests(request, loggingConfig)) { | |
| logIncomingRequests({ | |
| request, | |
| requestDurationInMs, | |
| statusCode: response.statusCode, | |
| }) | |
| } | |
| if (request.fetchMetrics) { | |
| for (const fetchMetric of request.fetchMetrics) { | |
| logFetchMetric(fetchMetric, loggingConfig) | |
| } | |
| } | |
| } | |
| interface IncomingRequestOptions { | |
| readonly request: NodeNextRequest | |
| readonly requestDurationInMs: number | |
| readonly statusCode: number | |
| } | |
| function logIncomingRequests(options: IncomingRequestOptions): void { | |
| const { request, requestDurationInMs, statusCode } = options | |
| const isRSC = getRequestMeta(request, 'isRSCRequest') | |
| const url = isRSC ? stripNextRscUnionQuery(request.url) : request.url | |
| const statusCodeColor = | |
| statusCode < 200 | |
| ? white | |
| : statusCode < 300 | |
| ? green | |
| : statusCode < 400 | |
| ? blue | |
| : statusCode < 500 | |
| ? yellow | |
| : red | |
| const coloredStatus = statusCodeColor(statusCode.toString()) | |
| return writeLine( | |
| `${request.method} ${url} ${coloredStatus} in ${requestDurationInMs}ms` | |
| ) | |
| } | |
| function logFetchMetric( | |
| fetchMetric: FetchMetric, | |
| loggingConfig: LoggingConfig | undefined | |
| ): void { | |
| let { | |
| cacheReason, | |
| cacheStatus, | |
| cacheWarning, | |
| end, | |
| method, | |
| start, | |
| status, | |
| url, | |
| } = fetchMetric | |
| if (cacheStatus === 'hmr' && !loggingConfig?.fetches?.hmrRefreshes) { | |
| // Cache hits during HMR refreshes are intentionally not logged, unless | |
| // explicitly enabled in the logging config. | |
| return | |
| } | |
| if (loggingConfig?.fetches) { | |
| if (url.length > 48 && !loggingConfig.fetches.fullUrl) { | |
| url = truncateUrl(url) | |
| } | |
| writeLine( | |
| white( | |
| `${method} ${url} ${status} in ${Math.round(end - start)}ms ${formatCacheStatus(cacheStatus)}` | |
| ), | |
| 1 | |
| ) | |
| if (cacheStatus === 'skip' || cacheStatus === 'miss') { | |
| writeLine( | |
| gray( | |
| `Cache ${cacheStatus === 'skip' ? 'skipped' : 'missed'} reason: (${white(cacheReason)})` | |
| ), | |
| 2 | |
| ) | |
| } | |
| } else if (cacheWarning) { | |
| // When logging for fetches is not enabled, we still want to print any | |
| // associated warnings, so we print the request first to provide context. | |
| writeLine(white(`${method} ${url}`), 1) | |
| } | |
| if (cacheWarning) { | |
| writeLine(`${yellow(bold('⚠'))} ${white(cacheWarning)}`, 2) | |
| } | |
| } | |
| function writeLine(text: string, indentationLevel = 0): void { | |
| process.stdout.write(` ${'│ '.repeat(indentationLevel)}${text}\n`) | |
| } | |
| function truncate(text: string, maxLength: number): string { | |
| return maxLength !== undefined && text.length > maxLength | |
| ? text.substring(0, maxLength) + '..' | |
| : text | |
| } | |
| function truncateUrl(url: string): string { | |
| const { protocol, host, pathname, search } = new URL(url) | |
| return ( | |
| protocol + | |
| '//' + | |
| truncate(host, 16) + | |
| truncate(pathname, 24) + | |
| truncate(search, 16) | |
| ) | |
| } | |
| function formatCacheStatus(cacheStatus: FetchMetric['cacheStatus']): string { | |
| switch (cacheStatus) { | |
| case 'hmr': | |
| return green('(HMR cache)') | |
| case 'hit': | |
| return green('(cache hit)') | |
| case 'miss': | |
| case 'skip': | |
| return yellow(`(cache ${cacheStatus})`) | |
| default: | |
| return cacheStatus satisfies never | |
| } | |
| } | |