@feathersjs/feathers

@feathersjs/feathers

Version 5.0.34
Published 1 month ago
161 kB
3 dependencies
MIT license

Install

npm i @feathersjs/feathers

yarn add @feathersjs/feathers

pnpm add @feathersjs/feathers

Overview

A framework for real-time applications and REST API with JavaScript and TypeScript

Index

Variables

defaultEventMap
defaultServiceArguments
defaultServiceEvents
defaultServiceMethods
feathers
protectedMethods
SERVICE
version

Variables

variable defaultEventMap

const defaultEventMap: {
    create: string;
    update: string;
    patch: string;
    remove: string;
};

variable defaultServiceArguments

const defaultServiceArguments: {
    find: string[];
    get: string[];
    create: string[];
    update: string[];
    patch: string[];
    remove: string[];
};

variable defaultServiceEvents

const defaultServiceEvents: string[];

variable defaultServiceMethods

const defaultServiceMethods: string[];

variable feathers

const feathers: typeof feathers;

variable protectedMethods

const protectedMethods: string[];

variable SERVICE

const SERVICE: any;

variable version

const version: any;

Functions

function collectHooks

collectHooks: (
    target: HookEnabled,
    method: string
) => AroundHookFunction<
    Application<any, any>,
    Service<any, Partial<any>, Params<Query>, Partial<Partial<any>>>
>[];

function convertHookData

convertHookData: (input: any) => {
    [method: string]:
        | HookFunction<
              Application<any, any>,
              Service<any, Partial<any>, Params<Query>, Partial<Partial<any>>>
          >[]
        | AroundHookFunction<
              Application<any, any>,
              Service<any, Partial<any>, Params<Query>, Partial<Partial<any>>>
          >[];
};

function createContext

createContext: (
    service: Service,
    method: string,
    data?: HookContextData
) => HookContext<Application<any, any>, any>;

function enableHooks

enableHooks: (
    object: any
) => (this: HookEnabled, input: HookMap<any, any>) => HookEnabled;

function feathers

feathers: typeof feathers;

function getHookMethods

getHookMethods: (service: any, options: ServiceOptions) => string[];

function getServiceOptions

getServiceOptions: (service: any) => ServiceOptions;

function hookMixin

hookMixin: <A>(
    this: A,
    service: FeathersService<A>,
    path: string,
    options: ServiceOptions
) => FeathersService<
    A,
    Service<any, Partial<any>, Params<Query>, Partial<Partial<any>>>
>;

function normalizeServiceOptions

normalizeServiceOptions: (
    service: any,
    options?: ServiceOptions
) => ServiceOptions;

function wrapService

wrapService: (location: string, service: any, options: ServiceOptions) => any;

Classes

class Feathers

class Feathers<Services, Settings>
    extends EventEmitter
    implements FeathersApplication<Services, Settings> {}

constructor

constructor();

property mixins

mixins: ServiceMixin<Application<Services, Settings>>[];

property registerHooks

protected registerHooks: (this: any, allHooks: any) => any;

property services

services: {};

property settings

settings: {};

property setup

setup: () => Promise<this>;

property teardown

teardown: () => Promise<this>;

property version

version: string;

method configure

configure: (callback: (this: this, app: this) => void) => this;

method defaultService

defaultService: (location: string) => ServiceInterface;

method get

get: <L extends keyof Settings & string>(name: L) => Settings[L];

method hooks

hooks: (hookMap: ApplicationHookOptions<this>) => this;

method service

service: <L extends keyof Services & string>(
    location: L
) => FeathersService<
    this,
    keyof any extends keyof Services ? Service : Services[L]
>;

method set

set: <L extends keyof Settings & string>(name: L, value: Settings[L]) => this;

method unuse

unuse: <L extends keyof Services & string>(
    location: L
) => Promise<
    FeathersService<
        this,
        keyof any extends keyof Services ? Service : Services[L]
    >
>;

method use

use: <L extends keyof Services & string>(
    path: L,
    service: keyof any extends keyof Services
        ? ServiceInterface | Application
        : Services[L],
    options?: ServiceOptions<
        keyof any extends keyof Services ? string : keyof Services[L]
    >
) => this;

class FeathersHookManager

class FeathersHookManager<A> extends HookManager {}

constructor

constructor(app: {}, method: string);

property app

app: {};

property method

method: string;

method collectMiddleware

collectMiddleware: (self: any, args: any[]) => Middleware[];

method initializeContext

initializeContext: (self: any, args: any[], context: HookContext) => any;

method middleware

middleware: (mw: Middleware[]) => this;

Interfaces

interface Application

interface Application<Services = any, Settings = any>
    extends FeathersApplication<Services, Settings>,
        EventEmitter {}

interface ApplicationHookContext

interface ApplicationHookContext<A = Application> extends BaseHookContext {}

property app

app: A;

property server

server: any;

interface ClientService

interface ClientService<
    Result = any,
    Data = Partial<Result>,
    PatchData = Data,
    FindResult = Paginated<Result>,
    P = Params
> {}

method create

create: {
    (data: Data[], params?: P): Promise<Result[]>;
    (data: Data, params?: P): Promise<Result>;
};

method find

find: (params?: P) => Promise<FindResult>;

method get

get: (id: Id, params?: P) => Promise<Result>;

method patch

patch: {
    (id: NullableId, data: PatchData, params?: P): Promise<Result | Result[]>;
    (id: Id, data: PatchData, params?: P): Promise<Result>;
    (id: null, data: PatchData, params?: P): Promise<Result[]>;
};

method remove

remove: {
    (id: NullableId, params?: P): Promise<Result | Result[]>;
    (id: Id, params?: P): Promise<Result>;
    (id: null, params?: P): Promise<Result[]>;
};

method update

update: {
    (id: Id, data: Data, params?: P): Promise<Result>;
    (id: NullableId, data: Data, params?: P): Promise<Result | Result[]>;
    (id: null, data: Data, params?: P): Promise<Result[]>;
};

interface FeathersApplication

interface FeathersApplication<Services = any, Settings = any> {}

property mixins

mixins: ServiceMixin<Application<Services, Settings>>[];

A list of callbacks that run when a new service is registered

property services

services: Services;

The index of all services keyed by their path.
__Important:__ Services should always be retrieved via app.service('name') not via app.services.

property settings

settings: Settings;

The application settings that can be used via app.get and app.set

property version

version: string;

The Feathers application version

method configure

configure: (callback: (this: this, app: this) => void) => this;

Runs a callback configure function with the current application instance.
Parameter callback
The callback (app: Application) => {} to run

method defaultService

defaultService: (location: string) => ServiceInterface;

Returns a fallback service instance that will be registered when no service was found. Usually throws a NotFound error but also used to instantiate client side services.
Parameter location
The path of the service

method get

get: <L extends keyof Settings & string>(name: L) => Settings[L];

Retrieve an application setting by name
Parameter name
The setting name

method hooks

hooks: (map: ApplicationHookOptions<this>) => this;

method service

service: <L extends keyof Services & string>(
    path: L
) => FeathersService<
    this,
    keyof any extends keyof Services ? Service : Services[L]
>;

Get the Feathers service instance for a path. This will be the service originally registered with Feathers functionality like hooks and events added.
Parameter path
The name of the service.

method set

set: <L extends keyof Settings & string>(name: L, value: Settings[L]) => this;

Set an application setting
Parameter name
The setting name
Parameter value
The setting value

method setup

setup: (server?: any) => Promise<this>;

Set up the application and call all services .setup method if available.
Parameter server
A server instance (optional)

method teardown

teardown: (server?: any) => Promise<this>;

Tear down the application and call all services .teardown method if available.
Parameter server
A server instance (optional)

method unuse

unuse: <L extends keyof Services & string>(
    path: L
) => Promise<
    FeathersService<
        this,
        keyof any extends keyof Services ? Service : Services[L]
    >
>;

Unregister an existing service.
Parameter path
The name of the service to unregister

method use

use: <L extends keyof Services & string>(
    path: L,
    service: keyof any extends keyof Services
        ? ServiceInterface | Application
        : Services[L],
    options?: ServiceOptions<
        keyof any extends keyof Services ? string : keyof Services[L]
    >
) => this;

Register a new service or a sub-app. When passed another Feathers application, all its services will be re-registered with the path prefix.
Parameter path
The path for the service to register
Parameter service
The service object to register or another Feathers application to use a sub-app under the path prefix.
Parameter options
The options for this service

interface HookContext

interface HookContext<A = Application, S = any>
    extends BaseHookContext<ServiceGenericType<S>> {}

property app

readonly app: A;

A read only property that contains the Feathers application object. This can be used to retrieve other services (via context.app.service('name')) or configuration values.

property arguments

readonly arguments: any[];

The list of method arguments. Should not be modified, modify the params, data and id properties instead.

property data

data?: ServiceGenericData<S>;

A writeable property containing the data of a create, update and patch service method call.

property dispatch

dispatch?: ServiceGenericType<S>;

A writeable, optional property and contains a 'safe' version of the data that should be sent to any client. If context.dispatch has not been set context.result will be sent to the client instead.

property error

error?: any;

A writeable property with the error object that was thrown in a failed method call. It is only available in error hooks.

property event

event: string | null;

The event emitted by this method. Can be set to null to skip event emitting.

property http

http?: Http;

A writeable, optional property with options specific to HTTP transports.

property id

id?: Id;

A writeable property and the id for a get, remove, update and patch service method call. For remove, update and patch context.id can also be null when modifying multiple entries. In all other cases it will be undefined.

property method

readonly method: string;

A read only property with the name of the service method (one of find, get, create, update, patch, remove).

property params

params: ServiceGenericParams<S>;

A writeable property that contains the service method parameters (including params.query).

property path

path: 0 extends 1 & S
    ? keyof Serv<A> & string
    : GetKeyByValue<Serv<A>, S> & string;

A read only property and contains the service name (or path) without leading or trailing slashes.

property result

result?: ServiceGenericType<S>;

A writeable property containing the result of the successful service method call. It is only available in after hooks.
context.result can also be set in
- A before hook to skip the actual service method (database) call - An error hook to swallow the error and return a result instead

property service

readonly service: S;

A read only property and contains the service this hook currently runs on.

property statusCode

statusCode?: number;

A writeable, optional property that allows to override the standard HTTP status code that should be returned.
Deprecated
Use http.status instead.

property type

readonly type: HookType;

A read only property with the hook type (one of 'around', 'before', 'after' or 'error').

interface Http

interface Http {}

property headers

headers?: { [key: string]: string | string[] };

A writeable, optional property with headers.

property location

location?: string;

A writeable, optional property with Location header's value.

property status

status?: number;

A writeable, optional property with status code override.

interface Paginated

interface Paginated<T> {}

The object returned from .find call by standard database adapters

property data

data: T[];

property limit

limit: number;

property skip

skip: number;

property total

total: number;

interface PaginationOptions

interface PaginationOptions {}

property default

default?: number;

property max

max?: number;

interface Params

interface Params<Q = Query> {}

property headers

headers?: { [key: string]: any };

property provider

provider?: string;

property query

query?: Q;

property route

route?: { [key: string]: any };

interface Query

interface Query {}

index signature

[key: string]: any;

interface RealTimeConnection

interface RealTimeConnection {}

A real-time connection object

index signature

[key: string]: any;

interface ServiceAddons

interface ServiceAddons<A = Application, S = Service> extends EventEmitter {}

property id

id?: string;

method hooks

hooks: (options: HookOptions<A, S>) => this;

interface ServiceHookOverloads

interface ServiceHookOverloads<S, P = Params> {}

method create

create: (
    data: ServiceGenericData<S> | ServiceGenericData<S>[],
    params: P,
    context: HookContext
) => Promise<HookContext>;

method find

find: (
    params: P & { paginate?: PaginationParams },
    context: HookContext
) => Promise<HookContext>;

method get

get: (id: Id, params: P, context: HookContext) => Promise<HookContext>;

method patch

patch: (
    id: NullableId,
    data: ServiceGenericData<S>,
    params: P,
    context: HookContext
) => Promise<HookContext>;

method remove

remove: (
    id: NullableId,
    params: P,
    context: HookContext
) => Promise<HookContext>;

method update

update: (
    id: NullableId,
    data: ServiceGenericData<S>,
    params: P,
    context: HookContext
) => Promise<HookContext>;

interface ServiceMethods

interface ServiceMethods<
    Result = any,
    Data = Partial<Result>,
    ServiceParams = Params,
    PatchData = Partial<Data>
> {}

method create

create: (data: Data, params?: ServiceParams) => Promise<Result>;

method find

find: (
    params?: ServiceParams & { paginate?: PaginationParams }
) => Promise<Result | Result[]>;

method get

get: (id: Id, params?: ServiceParams) => Promise<Result>;

method patch

patch: (
    id: NullableId,
    data: PatchData,
    params?: ServiceParams
) => Promise<Result | Result[]>;

method remove

remove: (id: NullableId, params?: ServiceParams) => Promise<Result | Result[]>;

method setup

setup: (app: Application, path: string) => Promise<void>;

method teardown

teardown: (app: Application, path: string) => Promise<void>;

method update

update: (
    id: NullableId,
    data: Data,
    params?: ServiceParams
) => Promise<Result | Result[]>;

interface ServiceOptions

interface ServiceOptions<MethodTypes = string> {}

Options that can be passed when registering a service via app.use(name, service, options)

property events

events?: string[] | readonly string[];

A list of custom events that this service emits to clients

property methods

methods?: MethodTypes[] | readonly MethodTypes[];

A list of service methods that should be available __externally__ to clients

property routeParams

routeParams?: { [key: string]: any };

Initial data to always add as route params to this service.

property serviceEvents

serviceEvents?: string[] | readonly string[];

Provide a full list of events that this service should emit to clients. Unlike the events option, this will not be merged with the default events.

interface ServiceOverloads

interface ServiceOverloads<
    Result = any,
    Data = Partial<Result>,
    ServiceParams = Params,
    PatchData = Partial<Data>
> {}

method create

create: (data: Data[], params?: ServiceParams) => Promise<Result[]>;

method patch

patch: {
    (id: Id, data: PatchData, params?: ServiceParams): Promise<Result>;
    (id: null, data: PatchData, params?: ServiceParams): Promise<Result[]>;
};

method remove

remove: {
    (id: Id, params?: ServiceParams): Promise<Result>;
    (id: null, params?: ServiceParams): Promise<Result[]>;
};

method update

update: {
    (id: Id, data: Data, params?: ServiceParams): Promise<Result>;
    (id: null, data: Data, params?: ServiceParams): Promise<Result[]>;
};

Type Aliases

type ApplicationHookFunction

type ApplicationHookFunction<A> = (
    context: ApplicationHookContext<A>,
    next: NextFunction
) => Promise<void>;

type ApplicationHookMap

type ApplicationHookMap<A> = {
    setup?: ApplicationHookFunction<A>[];
    teardown?: ApplicationHookFunction<A>[];
};

type ApplicationHookOptions

type ApplicationHookOptions<A> = HookOptions<A, any> | ApplicationHookMap<A>;

type AroundHookFunction

type AroundHookFunction<A = Application, S = Service> = (
    context: HookContext<A, S>,
    next: NextFunction
) => Promise<void>;

type AroundHookMap

type AroundHookMap<A, S> = {
    [L in keyof S]?: AroundHookFunction<A, S>[];
} & { all?: AroundHookFunction<A, S>[] };

type CustomMethod

type CustomMethod<T = any, R = T, P extends Params = Params> = (
    data: T,
    params?: P
) => Promise<R>;

The interface for a custom service method. Can e.g. be used to type client side services.

type CustomMethods

type CustomMethods<T extends { [key: string]: [any, any] }> = {
    [K in keyof T]: (data: T[K][0], params?: Params) => Promise<T[K][1]>;
};

type FeathersService

type FeathersService<A = FeathersApplication, S = Service> = S &
    ServiceAddons<A, S> &
    OptionalPick<ServiceHookOverloads<S>, keyof S>;

type Hook

type Hook<A = Application, S = Service> = HookFunction<A, S>;

type HookFunction

type HookFunction<A = Application, S = Service> = (
    this: S,
    context: HookContext<A, S>
) =>
    | Promise<HookContext<Application, S> | void>
    | HookContext<Application, S>
    | void;

type HookMap

type HookMap<A, S> = {
    around?: AroundHookMap<A, S>;
    before?: HookTypeMap<A, S>;
    after?: HookTypeMap<A, S>;
    error?: HookTypeMap<A, S>;
};

type HookOptions

type HookOptions<A, S> =
    | AroundHookMap<A, S>
    | AroundHookFunction<A, S>[]
    | HookMap<A, S>;

type HookType

type HookType = 'before' | 'after' | 'error' | 'around';

type Id

type Id = number | string;

type NullableId

type NullableId = Id | null;

type PaginationParams

type PaginationParams = false | PaginationOptions;

type Service

type Service<
    Result = any,
    Data = Partial<Result>,
    ServiceParams = Params,
    PatchData = Partial<Data>
> = ServiceMethods<Result, Data, ServiceParams> &
    ServiceOverloads<Result, Data, ServiceParams, PatchData>;

A complete service interface. The ServiceInterface type should be preferred for customs service implementations

type ServiceGenericData

type ServiceGenericData<S> = S extends ServiceInterface<infer _T, infer D> ? D : any;

type ServiceGenericParams

type ServiceGenericParams<S> = S extends ServiceInterface<
    infer _T,
    infer _D,
    infer P
>
    ? P
    : any;

type ServiceGenericType

type ServiceGenericType<S> = S extends ServiceInterface<infer T> ? T : any;

type ServiceInterface

type ServiceInterface<
    Result = any,
    Data = Partial<Result>,
    ServiceParams = Params,
    PatchData = Partial<Data>
> = Partial<ServiceMethods<Result, Data, ServiceParams, PatchData>>;

The Service service interface but with none of the methods required.

type ServiceMixin

type ServiceMixin<A> = (
    service: FeathersService<A>,
    path: string,
    options: ServiceOptions
) => void;

type TransportConnection

type TransportConnection<Services = any> = {
    (app: Application<Services>): void;
    Service: any;
    service: <L extends keyof Services & string>(
        name: L
    ) => keyof any extends keyof Services ? ServiceInterface : Services[L];
};

An interface usually use by transport clients that represents a e.g. HTTP or websocket connection that can be configured on the application.

Package Files (6)

Dependencies (3)

Dev Dependencies (6)

Peer Dependencies (0)

No peer dependencies.

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@feathersjs/feathers

Install

Overview

Index

Variables

Functions

Classes

Interfaces

Type Aliases

Variables

variable defaultEventMap

variable defaultServiceArguments

variable defaultServiceEvents

variable defaultServiceMethods

variable feathers

variable protectedMethods

variable SERVICE

variable version

Functions

function collectHooks

function convertHookData

function createContext

function enableHooks

function feathers

function getHookMethods

function getServiceOptions

function hookMixin

function normalizeServiceOptions

function wrapService

Classes

class Feathers

constructor

property mixins

property registerHooks

property services

property settings

property setup

property teardown

property version

method configure

method defaultService

method get

method hooks

method service

method set

method unuse

method use

class FeathersHookManager

constructor

property app

property method

method collectMiddleware

method initializeContext

method middleware

Interfaces

interface Application

interface ApplicationHookContext

property app

property server

interface ClientService

method create

method find

method get

method patch

method remove

method update

interface FeathersApplication

property mixins

property services

property settings

property version

method configure

Parameter callback

method defaultService

Parameter location

method get

Parameter name

method hooks

Parameter map

method service