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theia-code-os/packages/ai-anthropic/src/browser/anthropic-frontend-application-contribution.ts
mawkone 8bb5110148
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deploy: current vibn theia state
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2026-02-27 12:01:08 -08:00

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TypeScript

// *****************************************************************************
// Copyright (C) 2024 EclipseSource GmbH.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
import { FrontendApplicationContribution } from '@theia/core/lib/browser';
import { inject, injectable } from '@theia/core/shared/inversify';
import { AnthropicLanguageModelsManager, AnthropicModelDescription } from '../common';
import { API_KEY_PREF, MODELS_PREF } from '../common/anthropic-preferences';
import { AICorePreferences, PREFERENCE_NAME_MAX_RETRIES } from '@theia/ai-core/lib/common/ai-core-preferences';
import { PreferenceService } from '@theia/core';
const ANTHROPIC_PROVIDER_ID = 'anthropic';
// Model-specific maxTokens values
const DEFAULT_MODEL_MAX_TOKENS: Record<string, number> = {
'claude-3-opus-latest': 4096,
'claude-3-5-haiku-latest': 8192,
'claude-3-5-sonnet-latest': 8192,
'claude-3-7-sonnet-latest': 64000,
'claude-opus-4-20250514': 32000,
'claude-sonnet-4-20250514': 64000,
'claude-sonnet-4-5': 64000,
'claude-sonnet-4-0': 64000,
'claude-opus-4-5': 64000,
'claude-opus-4-1': 32000
};
@injectable()
export class AnthropicFrontendApplicationContribution implements FrontendApplicationContribution {
@inject(PreferenceService)
protected preferenceService: PreferenceService;
@inject(AnthropicLanguageModelsManager)
protected manager: AnthropicLanguageModelsManager;
@inject(AICorePreferences)
protected aiCorePreferences: AICorePreferences;
protected prevModels: string[] = [];
onStart(): void {
this.preferenceService.ready.then(() => {
const apiKey = this.preferenceService.get<string>(API_KEY_PREF, undefined);
this.manager.setApiKey(apiKey);
const proxyUri = this.preferenceService.get<string>('http.proxy', undefined);
this.manager.setProxyUrl(proxyUri);
const models = this.preferenceService.get<string[]>(MODELS_PREF, []);
this.manager.createOrUpdateLanguageModels(...models.map(modelId => this.createAnthropicModelDescription(modelId)));
this.prevModels = [...models];
this.preferenceService.onPreferenceChanged(event => {
if (event.preferenceName === API_KEY_PREF) {
this.manager.setApiKey(this.preferenceService.get<string>(API_KEY_PREF, undefined));
this.updateAllModels();
} else if (event.preferenceName === MODELS_PREF) {
this.handleModelChanges(this.preferenceService.get<string[]>(MODELS_PREF, []));
} else if (event.preferenceName === 'http.proxy') {
this.manager.setProxyUrl(this.preferenceService.get<string>('http.proxy', undefined));
}
});
this.aiCorePreferences.onPreferenceChanged(event => {
if (event.preferenceName === PREFERENCE_NAME_MAX_RETRIES) {
this.updateAllModels();
}
});
});
}
protected handleModelChanges(newModels: string[]): void {
const oldModels = new Set(this.prevModels);
const updatedModels = new Set(newModels);
const modelsToRemove = [...oldModels].filter(model => !updatedModels.has(model));
const modelsToAdd = [...updatedModels].filter(model => !oldModels.has(model));
this.manager.removeLanguageModels(...modelsToRemove.map(model => `${ANTHROPIC_PROVIDER_ID}/${model}`));
this.manager.createOrUpdateLanguageModels(...modelsToAdd.map(modelId => this.createAnthropicModelDescription(modelId)));
this.prevModels = newModels;
}
protected updateAllModels(): void {
const models = this.preferenceService.get<string[]>(MODELS_PREF, []);
this.manager.createOrUpdateLanguageModels(...models.map(modelId => this.createAnthropicModelDescription(modelId)));
}
protected createAnthropicModelDescription(modelId: string): AnthropicModelDescription {
const id = `${ANTHROPIC_PROVIDER_ID}/${modelId}`;
const maxTokens = DEFAULT_MODEL_MAX_TOKENS[modelId];
const maxRetries = this.aiCorePreferences.get(PREFERENCE_NAME_MAX_RETRIES) ?? 3;
const description: AnthropicModelDescription = {
id: id,
model: modelId,
apiKey: true,
enableStreaming: true,
useCaching: true,
maxRetries: maxRetries
};
if (maxTokens !== undefined) {
description.maxTokens = maxTokens;
} else {
description.maxTokens = 64000;
}
return description;
}
}