openai
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The official TypeScript library for the OpenAI API
32 lines • 1.5 kB
JavaScript
/**
* A provider factory such as `bedrock(options)` captures configuration in a
* definition, while every OpenAI client receives a fresh runtime from
* `definition.configure()`. Keeping definitions out of the provider object
* makes providers opaque and prevents arbitrary objects from imitating one.
* It also leaves provider-specific dependencies outside the core SDK.
*
* The registry lives on `globalThis` under a global symbol so a provider made
* by one copy of the package still works with another copy, including mixed
* CommonJS and ESM installations. The WeakMap avoids retaining discarded
* provider configurations.
*/
const providerDefinitionsKey = Symbol.for('openai.node.providerDefinitions.v1');
const providerGlobal = globalThis;
const existingProviderDefinitions = providerGlobal[providerDefinitionsKey];
const providerDefinitions = existingProviderDefinitions ?? new WeakMap();
if (!existingProviderDefinitions) {
Object.defineProperty(providerGlobal, providerDefinitionsKey, { value: providerDefinitions });
}
export function createProvider(definition) {
const provider = Object.freeze({});
providerDefinitions.set(provider, definition);
return provider;
}
export function configureProvider(provider) {
const definition = providerDefinitions.get(provider);
if (!definition) {
throw new Error('Invalid provider. Providers must be created with createProvider().');
}
return definition.configure();
}
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