Function: bindConstant()

function bindConstant<T>(container: Container, entry: InjectableDescriptor): BindWhenOnFluentSyntax<T>;

Defined in: src/wirestate-core/bind/bind-constant.ts:74

Binds a fixed value to a token.

Type Parameters

Type Parameter	Description
T	Value type.

Parameters

Parameter	Type	Description
container	Container	Container to bind into.
entry	InjectableDescriptor	Descriptor with id and value.

Returns

BindWhenOnFluentSyntax<T>

Inversify fluent syntax for additional constraints.

Remarks

Use constants for config, adapters, and test doubles. The same value comes back every time. No constructor runs.

Throws

WirestateError If entry.scopeBindingType is not Singleton.

Example

import { bindConstant, createContainer } from "@wirestate/core";

const API_URL = Symbol("API_URL");
const container = createContainer();

bindConstant(container, {
  id: API_URL,
  value: "https://api.example.com",
});

const apiUrl = container.get<string>(API_URL);