# core/registries/producer.registry.ts

> 12 lines of code and 3 definitions.

Tree: Bane's Lab Build Scripts
Language: typescript
Layer: infrastructure
Canonical: https://banes-lab.com/anatomy/build-scripts#file-build-scripts-core-registries-producer-registry-ts
Source text: https://banes-lab.com/source/build-scripts/core/registries/producer.registry.ts.txt

Listed in [core/registries](https://banes-lab.com/api/source/build-scripts/core/registries.md), before [core/registries/step.registry.ts](https://banes-lab.com/source/build-scripts/core/registries/step.registry.ts.md).

## Definitions

- `registerProducer` (lexical_declaration, line 6, exported)
- `producers` (lexical_declaration, line 4)
- `registeredProducers` (lexical_declaration, line 13, exported)

## Contained in

- [core/registries](https://banes-lab.com/anatomy/build-scripts/folder-build-scripts-core-registries.md)

## Uses

- [configuration/strings/graph.strings.ts](https://banes-lab.com/source/build-scripts/configuration/strings/graph.strings.ts.md)

## Used by

- [core/factories/producer.factory.ts](https://banes-lab.com/source/build-scripts/core/factories/producer.factory.ts.md)

## Linked from

- [configuration/strings](https://banes-lab.com/anatomy/build-scripts/folder-build-scripts-configuration-strings.md)
- [core/factories](https://banes-lab.com/anatomy/build-scripts/folder-build-scripts-core-factories.md)

## Source

```typescript
import type { GraphProducer } from "#types/graph.types";
import { duplicateProducer } from "#configuration/strings/graph.strings";

const producers = new Map<string, GraphProducer>();

export const registerProducer = function registerProducer(producer: GraphProducer): void {
    if (producers.has(producer.name)) {
        throw new Error(duplicateProducer(producer.name));
    }
    producers.set(producer.name, producer);
};

export const registeredProducers = function registeredProducers(): readonly GraphProducer[] {
    return [...producers.values()];
};
```