veryfront/utils

Internal utilities — runtime detection, structured logging, constants (breakpoints, timeouts, HTTP codes), hashing, memoization, and feature flags.

Import

import {
  __registerTraceContextGetter,
  computeCodeHash,
  computeHash,
  computeIntegrity,
  createJobUserLogger,
  createLockfileManager,
} from "veryfront/utils";

Examples

Structured logging

import { serverLogger } from "veryfront/utils";

serverLogger.info("Booting server", { project_id: "proj_123" });

Exports

Components

Name	Description	Source
`BREAKPOINT_LG`	Shared breakpoint lg value.	source
`BREAKPOINT_MD`	Shared breakpoint md value.	source
`BREAKPOINT_SM`	Shared breakpoint sm value.	source
`BREAKPOINT_XL`	Shared breakpoint xl value.	source
`BYTES_PER_KB`	Shared bytes per kb value.	source
`DEFAULT_ALLOWED_CDN_HOSTS`	Default value for allowed cdn hosts.	source
`DEFAULT_BUILD_CONCURRENCY`	Default value for build concurrency.	source
`DEFAULT_DASHBOARD_PORT`	Default port for development dashboard (matches veryfront.config.ts default)	source
`DEFAULT_LRU_MAX_ENTRIES`	Default value for lru max entries.	source
`DEV_SERVER_ENDPOINTS`	Shared dev server endpoints value.	source
`FORBIDDEN_PATH_PATTERNS`	Shared forbidden path patterns value.	source
`HASH_SEED_DJB2`	Shared hash seed djb2 value.	source
`HASH_SEED_FNV1A`	Shared hash seed fnv1 a value.	source
`HMR_CLIENT_RELOAD_DELAY_MS`	Shared HMR client reload delay ms value.	source
`HMR_CLOSE_MESSAGE_TOO_LARGE`	Shared HMR close message too large value.	source
`HMR_CLOSE_NORMAL`	Shared HMR close normal value.	source
`HMR_CLOSE_RATE_LIMIT`	Shared HMR close rate limit value.	source
`HMR_MAX_MESSAGE_SIZE_BYTES`	Shared HMR max message size bytes value.	source
`HMR_MAX_MESSAGES_PER_MINUTE`	Shared HMR max messages per minute value.	source
`HMR_RATE_LIMIT_WINDOW_MS`	Shared HMR rate limit window ms value.	source
`HTTP_BAD_REQUEST`	Shared HTTP bad request value.	source
`HTTP_CONTENT_TYPE_IMAGE_GIF`	Shared HTTP content type image gif value.	source
`HTTP_CONTENT_TYPE_IMAGE_ICO`	Shared HTTP content type image ico value.	source
`HTTP_CONTENT_TYPE_IMAGE_JPEG`	Shared HTTP content type image jpeg value.	source
`HTTP_CONTENT_TYPE_IMAGE_PNG`	Shared HTTP content type image png value.	source
`HTTP_CONTENT_TYPE_IMAGE_SVG`	Shared HTTP content type image svg value.	source
`HTTP_CONTENT_TYPE_IMAGE_WEBP`	Shared HTTP content type image webp value.	source
`HTTP_CONTENT_TYPES`	Shared HTTP content types value.	source
`HTTP_MODULE_FETCH_TIMEOUT_MS`	Shared HTTP module fetch timeout ms value.	source
`HTTP_NETWORK_CONNECT_TIMEOUT`	Shared HTTP network connect timeout value.	source
`HTTP_NOT_FOUND`	Shared HTTP not found value.	source
`HTTP_NOT_IMPLEMENTED`	Shared HTTP not implemented value.	source
`HTTP_OK`	Shared HTTP ok value.	source
`HTTP_REDIRECT_FOUND`	Shared HTTP redirect found value.	source
`HTTP_SERVER_ERROR`	Shared HTTP server error value.	source
`HTTP_STATUS_CLIENT_ERROR_MIN`	Shared HTTP status client error min value.	source
`HTTP_STATUS_REDIRECT_MIN`	Shared HTTP status redirect min value.	source
`HTTP_STATUS_SERVER_ERROR_MIN`	Shared HTTP status server error min value.	source
`HTTP_STATUS_SUCCESS_MIN`	Shared HTTP status success min value.	source
`HTTP_UNAVAILABLE`	Shared HTTP unavailable value.	source
`IMAGE_OPTIMIZATION`	Shared image optimization value.	source
`MAX_BATCH_SIZE`	**** Batch limits *****	source
`MAX_PATH_LENGTH`	Maximum value for path length.	source
`MAX_PATH_TRAVERSAL_DEPTH`	Maximum value for path traversal depth.	source
`MS_PER_SECOND`	Shared ms per second value.	source
`PREFETCH_DEFAULT_DELAY_MS`	Shared prefetch default delay ms value.	source
`PREFETCH_DEFAULT_TIMEOUT_MS`	Shared prefetch default timeout ms value.	source
`PREFETCH_MAX_SIZE_BYTES`	Shared prefetch max size bytes value.	source
`REACT_DEFAULT_VERSION`	Shared React default version value.	source
`RESPONSIVE_IMAGE_WIDTH_LG`	Shared responsive image width lg value.	source
`RESPONSIVE_IMAGE_WIDTHS`	Shared responsive image widths value.	source
`RSC_MANIFEST_CACHE_TTL_MS`	Shared RSC manifest cache ttl ms value.	source
`TSX_LAYOUT_MAX_ENTRIES`	Shared TSX layout max entries value.	source
`VERSION`	Shared version value.	source
`Z_INDEX_DEV_INDICATOR`	Shared z index dev indicator value.	source
`Z_INDEX_ERROR_OVERLAY`	Shared z index error overlay value.	source

Functions

Name	Description	Source
`__registerTraceContextGetter`	Register the trace context getter. Called by trace-bridge.ts after OTLP initialization.	source
`computeCodeHash`	Compute code hash.	source
`computeHash`	Compute hash.	source
`computeIntegrity`	Compute integrity.	source
`createJobUserLogger`	Create job user logger.	source
`createLockfileManager`	Create lockfile manager.	source
`endRequest`	Request payload for end.	source
`fnv1aHash`	FNV-1a hash for strings - returns hex string	source
`getBundleManifestStore`	Return bundle manifest store.	source
`getDenoStdNodeBase`	Return Deno std node base.	source
`getReactImportMap`	Return React import map.	source
`hasBunRuntime`	Check whether Bun runtime is present.	source
`hasDenoRuntime`	Check whether Deno runtime is present.	source
`hasNodeProcess`	Check whether node process is present.	source
`isCompiledBinary`	Detect if the code is running in a compiled Deno binary	source
`isEnabled`	Check whether request performance timing is enabled.	source
`isRSCEnabled`	Check whether RSC is enabled.	source
`memoize`	Memoize.	source
`memoizeAsync`	Memoize async.	source
`memoizeHash`	FNV-1a hash algorithm for fast cache key generation. 10-15x faster than JSON.stringify() and uses 70-80% less memory.	source
`normalizePath`	Normalizes path.	source
`parallelMap`	Run parallel map.	source
`refreshLoggerConfig`	Re-read logger configuration from environment variables. Call after loading .env files so the logger picks up any overrides.	source
`runWithRequestContextAsync`	Run with request context async.	source
`shortHash`	Create short hash.	source
`simpleHash`	Create simple hash.	source
`startRequest`	Request payload for start.	source
`startTimer`	Starts timer.	source
`timeAsync`	Time async.	source

Classes

Name	Description	Source
`MemoCache`	Implement memo cache.	source

Types

Name	Description	Source
`BundleCode`	Public API contract for bundle code.	source
`BundleMetadata`	Public API contract for bundle metadata.	source
`GlobalWithBun`	Public API contract for global with Bun.	source
`GlobalWithDeno`	Public API contract for global with Deno.	source
`GlobalWithProcess`	Public API contract for global with process.	source
`HashBundleCode`	Source bundle content used for hash computation.	source
`LockfileManager`	Public API contract for lockfile manager.	source
`Logger`	Public API contract for logger.	source
`RequestContext`	Context for request.	source

Constants

Name	Description	Source
`agentLogger`	Shared agent logger value.	source
`bundlerLogger`	Shared bundler logger value.	source
`logger`	Shared logger value.	source
`rendererLogger`	Shared renderer logger value.	source
`serverLogger`	Shared server logger value.	source

Getting Started

AI

Infrastructure

Production

Reference

veryfront/utils

veryfront/utils

Import

Examples

Structured logging

Exports

Components

Functions

Classes

Types

Constants

Getting Started

AI

Infrastructure

Production

Reference

Documentation Index

​veryfront/utils

​Import

​Examples

​Structured logging

​Exports

​Components

​Functions

​Classes

​Types

​Constants

veryfront/utils

Import

Examples

Structured logging

Exports

Components

Functions

Classes

Types

Constants