@univerjs/core v0.5.0-beta.1 • Docs

Class: Injector

Constructors

new Injector()

new Injector(dependencies?, parent?): Injector

Create a new Injector instance

Parameters

Parameter	Type	Description
`dependencies`?	`Dependency`[]	Dependencies that should be resolved by this injector instance.
`parent`?	`null` \| `Injector`	Optional parent injector.

Returns

Injector

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:23

Methods

add()

add<T>(dependency): void

Add a dependency or its instance into injector. It would throw an error if the dependency has already been instantiated.

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type	Description
`dependency`	`DependencyOrInstance`<`T`>	The dependency or an instance that would be add in the injector.

Returns

void

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:41

createChild()

createChild(dependencies?): Injector

Create a child inject with a set of dependencies.

Parameters

Parameter	Type	Description
`dependencies`?	`Dependency`[]	Dependencies that should be resolved by the newly created child injector.

Returns

Injector

The child injector.

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:29

createInstance()

createInstance<T, U, C>(ctor, ...customArgs): C

Instantiate a class. The created instance would not be held by the injector.

Type Parameters

Type Parameter
`T` extends `unknown`[]
`U` extends `unknown`[]
`C`

Parameters

Parameter	Type
`ctor`	(…`args`) => `C`
…`customArgs`	`T`

Returns

C

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:85

delete()

delete<T>(identifier): void

Delete a dependency from an injector. It would throw an error when the deleted dependency has already been instantiated.

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type	Description
`identifier`	`DependencyIdentifier`<`T`>	The identifier of the dependency that is supposed to be deleted.

Returns

void

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:55

dispose()

dispose(): void

Dispose the injector and all dependencies held by this injector. Note that its child injectors will dispose first.

Returns

void

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:33

get()

get(id, lookUp)

get<T>(id, lookUp?): T

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`lookUp`?	`LookUp`

Returns

T

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:71

get(id, quantity, lookUp)

get<T>(
   id, 
   quantity, 
   lookUp?): T[]

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`quantity`	`MANY`
`lookUp`?	`LookUp`

Returns

T[]

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:72

get(id, quantity, lookUp)

get<T>(
   id, 
   quantity, 
   lookUp?): null | T

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`quantity`	`OPTIONAL`
`lookUp`?	`LookUp`

Returns

null | T

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:73

get(id, quantity, lookUp)

get<T>(
   id, 
   quantity, 
   lookUp?): T

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`quantity`	`REQUIRED`
`lookUp`?	`LookUp`

Returns

T

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:74

get(id, quantity, lookUp)

get<T>(
   id, 
   quantity?, 
   lookUp?): null | T | T[]

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`quantity`?	`Quantity`
`lookUp`?	`LookUp`

Returns

null | T | T[]

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:75

get(id, quantityOrLookup, lookUp)

get<T>(
   id, 
   quantityOrLookup?, 
   lookUp?): null | T | T[]

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>
`quantityOrLookup`?	`Quantity` \| `LookUp`
`lookUp`?	`LookUp`

Returns

null | T | T[]

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:76

getAsync()

getAsync<T>(id): Promise<T>

Get a dependency in the async way.

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type
`id`	`DependencyIdentifier`<`T`>

Returns

Promise<T>

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:81

has()

has<T>(id): boolean

Check if the injector could initialize a dependency.

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type	Description
`id`	`DependencyIdentifier`<`T`>	Identifier of the dependency

Returns

boolean

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:70

invoke()

invoke<T, P>(cb, ...args): T

Invoke a function with dependencies injected. The function could only get dependency from the injector and other methods are not accessible for the function.

Type Parameters

Type Parameter	Default type
`T`	-
`P` extends `any`[]	[]

Parameters

Parameter	Type	Description
`cb`	(`accessor`, …`args`) => `T`	the function to be executed
…`args`	`P`	arguments to be passed into the function

Returns

T

the return value of the function

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:64

replace()

replace<T>(dependency): void

Replace an injection mapping for interface-based injection. It would throw an error if the dependency has already been instantiated.

Type Parameters

Type Parameter
`T`

Parameters

Parameter	Type	Description
`dependency`	`Dependency`<`T`>	The dependency that will replace the already existed dependency.

Returns

void

Defined in

packages/api/tmp/univer-pro/node_modules/.pnpm/@wendellhu+redi@0.16.1/node_modules/@wendellhu/redi/esm/injector.d.ts:48

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