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import type { FlattenedModel } from '@shared/types/models-dev';
import {
flattenModelsDevResponse,
parseModelsDevResponse,
} from '@shared/types/models-dev';
import { useQuery } from '@tanstack/react-query';
import { mapAIProviderToModelsDev } from '@web/utils/models-dev-mapping';
const MODELS_DEV_API_URL = '/v1/super-agents/models-dev';
/**
* Fetch models from models.dev API via our proxy endpoint
*/
const fetchModelsDev = async (): Promise<FlattenedModel[]> => {
try {
const response = await fetch(MODELS_DEV_API_URL, {
method: 'GET',
headers: {
Accept: 'application/json',
},
credentials: 'include', // Include cookies for authentication if needed
});
if (!response.ok) {
const errorText = await response.text().catch(() => response.statusText);
console.error(
`[models-dev] Failed to fetch: ${response.status} ${errorText}`,
);
throw new Error(
`Failed to fetch models from models.dev: ${response.status} ${errorText}`,
);
}
const data = await response.json();
let parsed: ReturnType<typeof parseModelsDevResponse>;
try {
parsed = parseModelsDevResponse(data);
} catch (parseError) {
console.error('[models-dev] Zod validation error:', parseError);
if (parseError instanceof Error) {
throw new Error(
`Failed to parse models.dev response: ${parseError.message}`,
);
}
throw new Error('Failed to parse models.dev response: Unknown error');
}
const flattened = flattenModelsDevResponse(parsed);
return flattened;
} catch (error) {
console.error('[models-dev] Error fetching models:', error);
if (error instanceof Error) {
throw error;
}
throw new Error('Unknown error while fetching models from models.dev');
}
};
/**
* Filter models by provider ID (models.dev provider identifier)
*/
export const filterModelsByProvider = (
models: FlattenedModel[],
providerId: string | null,
): FlattenedModel[] => {
if (providerId === null) {
return models;
}
return models.filter((item) => item.providerId === providerId);
};
/**
* Filter models by query string (fuzzy match on model ID and name)
*/
export const filterModelsByQuery = (
models: FlattenedModel[],
query: string,
): FlattenedModel[] => {
if (query.trim() === '') {
return models;
}
const lowerQuery = query.toLowerCase().trim();
return models.filter((item) => {
const modelId = (item.model.id ?? '').toLowerCase();
const modelName = item.model.name?.toLowerCase() ?? '';
return modelId.includes(lowerQuery) || modelName.includes(lowerQuery);
});
};
/**
* React hook to fetch and cache models from models.dev
* Returns all models, loading state, and error state
*/
export const useModelsDev = () => {
const query = useQuery({
queryKey: ['models-dev'],
queryFn: fetchModelsDev,
staleTime: 24 * 60 * 60 * 1000, // 24 hours
gcTime: 7 * 24 * 60 * 60 * 1000, // 7 days
retry: 2,
retryDelay: (attemptIndex) => Math.min(1000 * 2 ** attemptIndex, 30000),
});
// Log errors for debugging
if (query.error) {
console.error('[models-dev] Query error:', query.error);
}
return query;
};
/**
* React hook to get filtered models by AI provider
* Maps internal AIProvider enum to models.dev provider ID and filters
*/
export const useModelsDevByProvider = (
provider: AIProvider | null | undefined,
) => {
const { data, isLoading, error } = useModelsDev();
const allModels: FlattenedModel[] = data ?? [];
const filteredModels = provider
? filterModelsByProvider(allModels, mapAIProviderToModelsDev(provider))
: allModels;
return {
models: filteredModels,
isLoading,
error,
};
};
/**
* React hook to get filtered models by AI provider and query string
*/
export const useModelsDevFiltered = (
provider: AIProvider | null | undefined,
query: string,
) => {
const { models, isLoading, error } = useModelsDevByProvider(provider);
const filteredModels = filterModelsByQuery(models, query);
return {
models: filteredModels,
isLoading,
error,
};
};
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