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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | 2x 2x 2x 2x 2x 2x 2x 2x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 1x 1x 1x 2x 2x 2x 2x 2x 2x 2x 3x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 2x | import { AIProvider, ChatOptions, EmptyContentError } from './base';
import { t } from '../../i18n/messages';
export class ClaudeProvider extends AIProvider {
id = 'claude';
name = 'Anthropic Claude';
async chat(systemPrompt: string, userPrompt: string, options: ChatOptions): Promise<string> {
const url = `${this.baseUrl}/messages`;
const body = JSON.stringify({
model: options.model,
max_tokens: options.maxTokens,
temperature: options.temperature,
system: systemPrompt,
messages: [
{ role: 'user', content: userPrompt },
],
});
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), options.timeoutMs);
try {
const response = await fetch(url, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'x-api-key': this.apiKey,
'anthropic-version': '2023-06-01',
},
body,
signal: controller.signal,
});
if (!response.ok) {
const errorText = await response.text();
if (response.status === 401) {
throw new Error('API Key 无效，请重新设置');
}
throw new Error(`Claude API 请求失败 (${response.status}): ${errorText}`);
}
const data = await response.json() as {
content?: Array<{ text?: string }>;
stop_reason?: string;
error?: { message?: string };
};
const text = data.content?.[0]?.text;
if (text === undefined || text === null || text.trim() === '') {
const parts = [`stop_reason=${data.stop_reason ?? 'unknown'}`];
if (data.error?.message) {
parts.push(data.error.message);
}
throw new EmptyContentError(t('adapter.emptyContent', { 0: parts.join(', ') }));
}
return text;
} finally {
clearTimeout(timeout);
}
}
}
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