@proto-kit/sequencerDocs


Documentation / @proto-kit/sequencer / Sequencer

Class: Sequencer<Modules>

Reusable module container facilitating registration, resolution configuration, decoration and validation of modules

Extends

Type Parameters

Modules extends SequencerModulesRecord

The record of child module classes.

Implements

Constructors

new Sequencer()

new Sequencer<Modules>(definition): Sequencer<Modules>

Parameters

definition: Modules

Returns

Sequencer<Modules>

Overrides

ModuleContainer.constructor

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:37

Properties

currentConfig

protected currentConfig: undefined | CombinedModuleContainerConfig<Modules, NoConfig>

Store the config separately, so that we can apply additional checks when retrieving it via the getter

Inherited from

ModuleContainer.currentConfig

Defined in

packages/common/dist/config/ConfigurableModule.d.ts:17


definition

definition: Modules

Inherited from

ModuleContainer.definition

Defined in

packages/common/dist/config/ModuleContainer.d.ts:61

Accessors

config

Get Signature

get config(): CombinedModuleContainerConfig<Modules, ContainerConfig>

Returns

CombinedModuleContainerConfig<Modules, ContainerConfig>

Set Signature

set config(config): void

Parameters

config: CombinedModuleContainerConfig<Modules, ContainerConfig>

Returns

void

Inherited from

ModuleContainer.config

Defined in

packages/common/dist/config/ModuleContainer.d.ts:121


container

Get Signature

get protected container(): DependencyContainer

Returns

DependencyContainer

Inherited from

ModuleContainer.container

Defined in

packages/common/dist/config/ModuleContainer.d.ts:86


containerConfig

Get Signature

get containerConfig(): ContainerConfig

Returns the container’s own configuration.

Returns

ContainerConfig

Inherited from

ModuleContainer.containerConfig

Defined in

packages/common/dist/config/ModuleContainer.d.ts:73


dependencyContainer

Get Signature

get dependencyContainer(): DependencyContainer

Returns

DependencyContainer

Inherited from

ModuleContainer.dependencyContainer

Defined in

packages/common/dist/config/ModuleContainer.d.ts:167


events

Get Signature

get events(): EventEmitterProxy<Modules>

Returns

EventEmitterProxy<Modules>

Inherited from

ModuleContainer.events

Defined in

packages/common/dist/config/ModuleContainer.d.ts:105


moduleNames

Get Signature

get moduleNames(): string[]

Returns

string[]

list of module names

Inherited from

ModuleContainer.moduleNames

Defined in

packages/common/dist/config/ModuleContainer.d.ts:77


protocol

Get Signature

get protocol(): Protocol<MandatoryProtocolModulesRecord & ProtocolModulesRecord>

Returns

Protocol<MandatoryProtocolModulesRecord & ProtocolModulesRecord>

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:60


runtime

Get Signature

get runtime(): Runtime<RuntimeModulesRecord>

Returns

Runtime<RuntimeModulesRecord>

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:56

Methods

assertContainerInitialized()

assertContainerInitialized(container): asserts container is DependencyContainer

Parameters

container: undefined | DependencyContainer

Returns

asserts container is DependencyContainer

Inherited from

ModuleContainer.assertContainerInitialized

Defined in

packages/common/dist/config/ModuleContainer.d.ts:95


assertIsValidModuleName()

assertIsValidModuleName(moduleName): asserts moduleName is StringKeyOf<Modules>

Assert that the iterated moduleName is of ModuleName type, otherwise it may be just string e.g. when modules are iterated over using e.g. a for loop.

Parameters

moduleName: string

Returns

asserts moduleName is StringKeyOf<Modules>

Inherited from

ModuleContainer.assertIsValidModuleName

Defined in

packages/common/dist/config/ModuleContainer.d.ts:92


close()

close(): Promise<void>

Returns

Promise<void>

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:154


configure()

configure(config): void

Provide additional configuration after the ModuleContainer was created.

Keep in mind that modules are only decorated once after they are resolved, therefore applying any configuration must happen before the first resolution.

Parameters

config: CombinedModuleContainerConfig<Modules, NoConfig>

Returns

void

Inherited from

ModuleContainer.configure

Defined in

packages/common/dist/config/ModuleContainer.d.ts:119


configurePartial()

configurePartial(config): void

Parameters

config: RecursivePartial<CombinedModuleContainerConfig<Modules, NoConfig>>

Returns

void

Inherited from

ModuleContainer.configurePartial

Defined in

packages/common/dist/config/ModuleContainer.d.ts:120


create()

create(childContainerProvider): void

This is a placeholder for individual modules to override. This method will be called whenever the underlying container fully initialized

Parameters

childContainerProvider: ChildContainerProvider

Returns

void

Overrides

ModuleContainer.create

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:68


decorateModule()

protected decorateModule(moduleName, containedModule): void

Override this in the child class to provide custom features or module checks

Parameters

moduleName: StringKeyOf<Modules>

containedModule: InstanceType<Modules[StringKeyOf<Modules>]>

Returns

void

Inherited from

ModuleContainer.decorateModule

Defined in

packages/common/dist/config/ModuleContainer.d.ts:139


initializeDependencyFactories()

protected initializeDependencyFactories(factories): void

Inject a set of dependencies using the given list of DependencyFactories This method should be called during startup

Parameters

factories: StringKeyOf<Modules>[]

Returns

void

Inherited from

ModuleContainer.initializeDependencyFactories

Defined in

packages/common/dist/config/ModuleContainer.d.ts:145


isValidModuleName()

isValidModuleName(modules, moduleName): moduleName is StringKeyOf<Modules>

Parameters

modules: Modules

moduleName: string | number | symbol

Returns

moduleName is StringKeyOf<Modules>

Inherited from

ModuleContainer.isValidModuleName

Defined in

packages/common/dist/config/ModuleContainer.d.ts:93


onAfterModuleResolution()

protected onAfterModuleResolution(moduleName): void

Handle module resolution, e.g. by decorating resolved modules

Parameters

moduleName: StringKeyOf<Modules>

Returns

void

Inherited from

ModuleContainer.onAfterModuleResolution

Defined in

packages/common/dist/config/ModuleContainer.d.ts:160


registerAliases()

protected registerAliases(originalToken, clas): void

Parameters

originalToken: string

clas: TypedClass<any>

Returns

void

Inherited from

ModuleContainer.registerAliases

Defined in

packages/common/dist/config/ModuleContainer.d.ts:96


registerModules()

protected registerModules(modules): void

Register modules into the current container, and registers a respective resolution hook in order to decorate the module upon/after resolution.

Parameters

modules: Modules

Returns

void

Inherited from

ModuleContainer.registerModules

Defined in

packages/common/dist/config/ModuleContainer.d.ts:104


registerValue()

registerValue<Value>(modules): void

Register a non-module value into the current container

Type Parameters

Value

Parameters

modules: Record<string, Value>

Returns

void

Inherited from

ModuleContainer.registerValue

Defined in

packages/common/dist/config/ModuleContainer.d.ts:110


resolve()

resolve<KeyType>(moduleName): InstanceType<ResolvableModules<Modules>[KeyType]>

Resolves a module from the current module container

We have to narrow down the ModuleName type here to ResolvableModuleName, otherwise the resolved value might be any module instance, not the one specifically requested as argument.

Type Parameters

KeyType extends string

Parameters

moduleName: KeyType

Returns

InstanceType<ResolvableModules<Modules>[KeyType]>

Inherited from

ModuleContainer.resolve

Defined in

packages/common/dist/config/ModuleContainer.d.ts:133


resolveOrFail()

resolveOrFail<ModuleType>(moduleName, moduleType?): ModuleType

Type Parameters

ModuleType

Parameters

moduleName: string

moduleType?: TypedClass<ModuleType>

Returns

ModuleType

Inherited from

ModuleContainer.resolveOrFail

Defined in

packages/common/dist/config/ModuleContainer.d.ts:134


start()

start(): Promise<void>

Starts the sequencer by iterating over all provided modules to start each

Returns

Promise<void>

Implementation of

Sequenceable.start

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:77


validateModule()

protected validateModule(moduleName, containedModule): void

Check if the provided module satisfies the container requirements, such as only injecting other known modules.

Parameters

moduleName: StringKeyOf<Modules>

containedModule: ConfigurableModule<unknown>

Returns

void

Inherited from

ModuleContainer.validateModule

Defined in

packages/common/dist/config/ModuleContainer.d.ts:85


from()

static from<Modules>(definition): TypedClass<Sequencer<Modules>>

Alternative constructor for Sequencer

Type Parameters

Modules extends SequencerModulesRecord

Parameters

definition: Modules

Returns

TypedClass<Sequencer<Modules>>

Sequencer

Defined in

packages/sequencer/src/sequencer/executor/Sequencer.ts:46