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Runtime and views

v mount unmount update debouncedUpdate preventUpdate onCreate onUpdate onCleanup onRemove directive directives trust Vnode createElement current fragment hydrateDomToVnode isComponent isNodeJs isPOJOComponent isVnode isVnodeComponent reservedProps setAttribute setPropNameReserved updateAttributes updateVnode Properties DomElement Component POJOComponent ValyrianComponent VnodeComponentInterface Children Directive Fragment VnodeTag VnodeWithDom v-create v-update v-cleanup v-remove v-if v-show v-for v-html v-text v-class v-model v-keep key

Routing

Router RouterError mountRouter redirect beforeRoute afterRoute Request Middleware v-route

Data and async

request RequestPlugin RequestContext ResponseContext ErrorContext RequestInterface Suspense Task TaskStatus TaskStrategy TaskState TaskContext TaskOptions TaskHandler QueryClient QueryHandle MutationHandle QueryKey QueryStatus QueryState QueryConfig MutationConfig QueryClientOptions QueryChangeEvent

Network and offline

NetworkManager NetworkEvent SignalLevel NetworkError NetworkStatus NetworkListener NetworkManagerRuntime NetworkManagerOptions OfflineQueue RetryStrategy BackoffConfig OfflineOperation QueueState OfflineQueueOptions

State

createPulse createPulseStore createMutableStore createEffect Pulse PulseContext FluxStore

Forms

FormStore formSchemaShield FormState FormTransform FormTransformMap FormOptions v-form v-field

DevTools

connectPulse connectPulseStore connectFluxStore

Utilities

getLang getTranslations setLang setLog setStoreStrategy setTranslations t Money NumberFormatter formatMoney parseMoneyInput MoneyFormatOptions StorageType createNativeStore NativeStorageInterface v-t v-money deepCloneUnfreeze deepFreeze ensureIn get hasChanged hasLength hasLengthBetween hasMaxLength hasMinLength is isBetween isBoolean isEmpty isFiniteNumber isFunction isGreaterThan isLessThan isNumber isObject isString pick set

Server

Event ServerStorage document domToHtml domToHyperscript htmlToDom htmlToHyperscript icons inline render sw IconsOptions SwOptions

PWA

SwRuntimeManager registerSw SwRuntimeEvent SwRuntimeState SwRuntimeEnvironment CreateSwRuntimeOptions SwRuntime

Context

createContextScope getContext hasContext isServerContextActive runWithContext setContext ContextScope

API reference

Runtime and views

Routing

Router RouterError mountRouter redirect beforeRoute afterRoute Request Middleware v-route

Data and async

Network and offline

State

createPulse createPulseStore createMutableStore createEffect Pulse PulseContext FluxStore

Forms

FormStore formSchemaShield FormState FormTransform FormTransformMap FormOptions v-form v-field

DevTools

connectPulse connectPulseStore connectFluxStore

Utilities

Server

Event ServerStorage document domToHtml domToHyperscript htmlToDom htmlToHyperscript icons inline render sw IconsOptions SwOptions

PWA

SwRuntimeManager registerSw SwRuntimeEvent SwRuntimeState SwRuntimeEnvironment CreateSwRuntimeOptions SwRuntime

Context

createContextScope getContext hasContext isServerContextActive runWithContext setContext ContextScope

API reference ContexthasContext

`hasContext`

Reports whether the active execution contains a value for a context boundary.

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Table of contents

Category Import Public signature Parameters Result Related practice

Import

js

import { hasContext } from &quot;valyrian.js/context&quot;;

Public signature

ts

&lt;T&gt;(scope: ContextScope&lt;T&gt;): boolean

Parameters

ts

scope: ContextScope&lt;T&gt;

Result

ts

boolean

Related practice

Continue with Isolate Valyrian.js execution with scopes

PreviousgetContext NextisServerContextActive

On this pageCategory Import Public signature Parameters Result Related practice