1. Frontend: replace hardcoded antigravityDefaultMappings with async fetch from GET /admin/accounts/antigravity/default-model-mapping, eliminating the duplicate data source that caused frontend/backend mapping inconsistency. 2. Backend: convert handleSmartRetry and antigravityRetryLoop from standalone functions to AntigravityGatewayService methods, enabling Redis cache sync (updateAccountModelRateLimitInCache) after both rate-limit write paths — long-delay branch and retry-exhausted branch.
399 lines
16 KiB
TypeScript
399 lines
16 KiB
TypeScript
// =====================
|
||
// 模型列表(硬编码,与 new-api 一致)
|
||
// =====================
|
||
|
||
// OpenAI
|
||
const openaiModels = [
|
||
'gpt-3.5-turbo', 'gpt-3.5-turbo-0125', 'gpt-3.5-turbo-1106', 'gpt-3.5-turbo-16k',
|
||
'gpt-4', 'gpt-4-turbo', 'gpt-4-turbo-preview',
|
||
'gpt-4o', 'gpt-4o-2024-08-06', 'gpt-4o-2024-11-20',
|
||
'gpt-4o-mini', 'gpt-4o-mini-2024-07-18',
|
||
'gpt-4.5-preview',
|
||
'gpt-4.1', 'gpt-4.1-mini', 'gpt-4.1-nano',
|
||
'o1', 'o1-preview', 'o1-mini', 'o1-pro',
|
||
'o3', 'o3-mini', 'o3-pro',
|
||
'o4-mini',
|
||
// GPT-5 系列(同步后端定价文件)
|
||
'gpt-5', 'gpt-5-2025-08-07', 'gpt-5-chat', 'gpt-5-chat-latest',
|
||
'gpt-5-codex', 'gpt-5-pro', 'gpt-5-pro-2025-10-06',
|
||
'gpt-5-mini', 'gpt-5-mini-2025-08-07',
|
||
'gpt-5-nano', 'gpt-5-nano-2025-08-07',
|
||
// GPT-5.1 系列
|
||
'gpt-5.1', 'gpt-5.1-2025-11-13', 'gpt-5.1-chat-latest',
|
||
'gpt-5.1-codex', 'gpt-5.1-codex-max', 'gpt-5.1-codex-mini',
|
||
// GPT-5.2 系列
|
||
'gpt-5.2', 'gpt-5.2-2025-12-11', 'gpt-5.2-chat-latest',
|
||
'gpt-5.2-codex', 'gpt-5.2-pro', 'gpt-5.2-pro-2025-12-11',
|
||
'chatgpt-4o-latest',
|
||
'gpt-4o-audio-preview', 'gpt-4o-realtime-preview'
|
||
]
|
||
|
||
// Anthropic Claude
|
||
export const claudeModels = [
|
||
'claude-3-5-sonnet-20241022', 'claude-3-5-sonnet-20240620',
|
||
'claude-3-5-haiku-20241022',
|
||
'claude-3-opus-20240229', 'claude-3-sonnet-20240229', 'claude-3-haiku-20240307',
|
||
'claude-3-7-sonnet-20250219',
|
||
'claude-sonnet-4-20250514', 'claude-opus-4-20250514',
|
||
'claude-opus-4-1-20250805',
|
||
'claude-sonnet-4-5-20250929', 'claude-haiku-4-5-20251001',
|
||
'claude-opus-4-5-20251101',
|
||
'claude-opus-4-6',
|
||
'claude-2.1', 'claude-2.0', 'claude-instant-1.2'
|
||
]
|
||
|
||
// Google Gemini
|
||
const geminiModels = [
|
||
// Keep in sync with backend curated Gemini lists.
|
||
// This list is intentionally conservative (models commonly available across OAuth/API key).
|
||
'gemini-2.0-flash',
|
||
'gemini-2.5-flash',
|
||
'gemini-2.5-pro',
|
||
'gemini-3-flash-preview',
|
||
'gemini-3-pro-preview'
|
||
]
|
||
|
||
// Antigravity 官方支持的模型(精确匹配)
|
||
// 基于官方 API 返回的模型列表,只支持 Claude 4.5+ 和 Gemini 2.5+
|
||
const antigravityModels = [
|
||
// Claude 4.5+ 系列
|
||
'claude-opus-4-6',
|
||
'claude-opus-4-5-thinking',
|
||
'claude-sonnet-4-5',
|
||
'claude-sonnet-4-5-thinking',
|
||
// Gemini 2.5 系列
|
||
'gemini-2.5-flash',
|
||
'gemini-2.5-flash-lite',
|
||
'gemini-2.5-flash-thinking',
|
||
'gemini-2.5-pro',
|
||
// Gemini 3 系列
|
||
'gemini-3-flash',
|
||
'gemini-3-pro-high',
|
||
'gemini-3-pro-low',
|
||
'gemini-3-pro-image',
|
||
// 其他
|
||
'gpt-oss-120b-medium',
|
||
'tab_flash_lite_preview'
|
||
]
|
||
|
||
// 智谱 GLM
|
||
const zhipuModels = [
|
||
'glm-4', 'glm-4v', 'glm-4-plus', 'glm-4-0520',
|
||
'glm-4-air', 'glm-4-airx', 'glm-4-long', 'glm-4-flash',
|
||
'glm-4v-plus', 'glm-4.5', 'glm-4.6',
|
||
'glm-3-turbo', 'glm-4-alltools',
|
||
'chatglm_turbo', 'chatglm_pro', 'chatglm_std', 'chatglm_lite',
|
||
'cogview-3', 'cogvideo'
|
||
]
|
||
|
||
// 阿里 通义千问
|
||
const qwenModels = [
|
||
'qwen-turbo', 'qwen-plus', 'qwen-max', 'qwen-max-longcontext', 'qwen-long',
|
||
'qwen2-72b-instruct', 'qwen2-57b-a14b-instruct', 'qwen2-7b-instruct',
|
||
'qwen2.5-72b-instruct', 'qwen2.5-32b-instruct', 'qwen2.5-14b-instruct',
|
||
'qwen2.5-7b-instruct', 'qwen2.5-3b-instruct', 'qwen2.5-1.5b-instruct',
|
||
'qwen2.5-coder-32b-instruct', 'qwen2.5-coder-14b-instruct', 'qwen2.5-coder-7b-instruct',
|
||
'qwen3-235b-a22b',
|
||
'qwq-32b', 'qwq-32b-preview'
|
||
]
|
||
|
||
// DeepSeek
|
||
const deepseekModels = [
|
||
'deepseek-chat', 'deepseek-coder', 'deepseek-reasoner',
|
||
'deepseek-v3', 'deepseek-v3-0324',
|
||
'deepseek-r1', 'deepseek-r1-0528',
|
||
'deepseek-r1-distill-qwen-32b', 'deepseek-r1-distill-qwen-14b', 'deepseek-r1-distill-qwen-7b',
|
||
'deepseek-r1-distill-llama-70b', 'deepseek-r1-distill-llama-8b'
|
||
]
|
||
|
||
// Mistral
|
||
const mistralModels = [
|
||
'mistral-small-latest', 'mistral-medium-latest', 'mistral-large-latest',
|
||
'open-mistral-7b', 'open-mixtral-8x7b', 'open-mixtral-8x22b',
|
||
'codestral-latest', 'codestral-mamba',
|
||
'pixtral-12b-2409', 'pixtral-large-latest'
|
||
]
|
||
|
||
// Meta Llama
|
||
const metaModels = [
|
||
'llama-3.3-70b-instruct',
|
||
'llama-3.2-90b-vision-instruct', 'llama-3.2-11b-vision-instruct',
|
||
'llama-3.2-3b-instruct', 'llama-3.2-1b-instruct',
|
||
'llama-3.1-405b-instruct', 'llama-3.1-70b-instruct', 'llama-3.1-8b-instruct',
|
||
'llama-3-70b-instruct', 'llama-3-8b-instruct',
|
||
'codellama-70b-instruct', 'codellama-34b-instruct', 'codellama-13b-instruct'
|
||
]
|
||
|
||
// xAI Grok
|
||
const xaiModels = [
|
||
'grok-4', 'grok-4-0709',
|
||
'grok-3-beta', 'grok-3-mini-beta', 'grok-3-fast-beta',
|
||
'grok-2', 'grok-2-vision', 'grok-2-image',
|
||
'grok-beta', 'grok-vision-beta'
|
||
]
|
||
|
||
// Cohere
|
||
const cohereModels = [
|
||
'command-a-03-2025',
|
||
'command-r', 'command-r-plus',
|
||
'command-r-08-2024', 'command-r-plus-08-2024',
|
||
'c4ai-aya-23-35b', 'c4ai-aya-23-8b',
|
||
'command', 'command-light'
|
||
]
|
||
|
||
// Yi (01.AI)
|
||
const yiModels = [
|
||
'yi-large', 'yi-large-turbo', 'yi-large-rag',
|
||
'yi-medium', 'yi-medium-200k',
|
||
'yi-spark', 'yi-vision',
|
||
'yi-1.5-34b-chat', 'yi-1.5-9b-chat', 'yi-1.5-6b-chat'
|
||
]
|
||
|
||
// Moonshot/Kimi
|
||
const moonshotModels = [
|
||
'moonshot-v1-8k', 'moonshot-v1-32k', 'moonshot-v1-128k',
|
||
'kimi-latest'
|
||
]
|
||
|
||
// 字节跳动 豆包
|
||
const doubaoModels = [
|
||
'doubao-pro-256k', 'doubao-pro-128k', 'doubao-pro-32k', 'doubao-pro-4k',
|
||
'doubao-lite-128k', 'doubao-lite-32k', 'doubao-lite-4k',
|
||
'doubao-vision-pro-32k', 'doubao-vision-lite-32k',
|
||
'doubao-1.5-pro-256k', 'doubao-1.5-pro-32k', 'doubao-1.5-lite-32k',
|
||
'doubao-1.5-pro-vision-32k', 'doubao-1.5-thinking-pro'
|
||
]
|
||
|
||
// MiniMax
|
||
const minimaxModels = [
|
||
'abab6.5-chat', 'abab6.5s-chat', 'abab6.5s-chat-pro',
|
||
'abab6-chat',
|
||
'abab5.5-chat', 'abab5.5s-chat'
|
||
]
|
||
|
||
// 百度 文心
|
||
const baiduModels = [
|
||
'ernie-4.0-8k-latest', 'ernie-4.0-8k', 'ernie-4.0-turbo-8k',
|
||
'ernie-3.5-8k', 'ernie-3.5-128k',
|
||
'ernie-speed-8k', 'ernie-speed-128k', 'ernie-speed-pro-128k',
|
||
'ernie-lite-8k', 'ernie-lite-pro-128k',
|
||
'ernie-tiny-8k'
|
||
]
|
||
|
||
// 讯飞 星火
|
||
const sparkModels = [
|
||
'spark-desk', 'spark-desk-v1.1', 'spark-desk-v2.1',
|
||
'spark-desk-v3.1', 'spark-desk-v3.5', 'spark-desk-v4.0',
|
||
'spark-lite', 'spark-pro', 'spark-max', 'spark-ultra'
|
||
]
|
||
|
||
// 腾讯 混元
|
||
const hunyuanModels = [
|
||
'hunyuan-lite', 'hunyuan-standard', 'hunyuan-standard-256k',
|
||
'hunyuan-pro', 'hunyuan-turbo', 'hunyuan-large',
|
||
'hunyuan-vision', 'hunyuan-code'
|
||
]
|
||
|
||
// Perplexity
|
||
const perplexityModels = [
|
||
'sonar', 'sonar-pro', 'sonar-reasoning',
|
||
'llama-3-sonar-small-32k-online', 'llama-3-sonar-large-32k-online',
|
||
'llama-3-sonar-small-32k-chat', 'llama-3-sonar-large-32k-chat'
|
||
]
|
||
|
||
// 所有模型(去重)
|
||
const allModelsList: string[] = [
|
||
...openaiModels,
|
||
...claudeModels,
|
||
...geminiModels,
|
||
...zhipuModels,
|
||
...qwenModels,
|
||
...deepseekModels,
|
||
...mistralModels,
|
||
...metaModels,
|
||
...xaiModels,
|
||
...cohereModels,
|
||
...yiModels,
|
||
...moonshotModels,
|
||
...doubaoModels,
|
||
...minimaxModels,
|
||
...baiduModels,
|
||
...sparkModels,
|
||
...hunyuanModels,
|
||
...perplexityModels
|
||
]
|
||
|
||
// 转换为下拉选项格式
|
||
export const allModels = allModelsList.map(m => ({ value: m, label: m }))
|
||
|
||
// =====================
|
||
// 预设映射
|
||
// =====================
|
||
|
||
const anthropicPresetMappings = [
|
||
{ label: 'Sonnet 4', from: 'claude-sonnet-4-20250514', to: 'claude-sonnet-4-20250514', color: 'bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400' },
|
||
{ label: 'Sonnet 4.5', from: 'claude-sonnet-4-5-20250929', to: 'claude-sonnet-4-5-20250929', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
|
||
{ label: 'Opus 4.5', from: 'claude-opus-4-5-20251101', to: 'claude-opus-4-5-20251101', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
|
||
{ label: 'Opus 4.6', from: 'claude-opus-4-6', to: 'claude-opus-4-6', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
|
||
{ label: 'Haiku 3.5', from: 'claude-3-5-haiku-20241022', to: 'claude-3-5-haiku-20241022', color: 'bg-green-100 text-green-700 hover:bg-green-200 dark:bg-green-900/30 dark:text-green-400' },
|
||
{ label: 'Haiku 4.5', from: 'claude-haiku-4-5-20251001', to: 'claude-haiku-4-5-20251001', color: 'bg-emerald-100 text-emerald-700 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:text-emerald-400' },
|
||
{ label: 'Opus->Sonnet', from: 'claude-opus-4-6', to: 'claude-sonnet-4-5-20250929', color: 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/30 dark:text-amber-400' }
|
||
]
|
||
|
||
const openaiPresetMappings = [
|
||
{ label: 'GPT-4o', from: 'gpt-4o', to: 'gpt-4o', color: 'bg-green-100 text-green-700 hover:bg-green-200 dark:bg-green-900/30 dark:text-green-400' },
|
||
{ label: 'GPT-4o Mini', from: 'gpt-4o-mini', to: 'gpt-4o-mini', color: 'bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400' },
|
||
{ label: 'GPT-4.1', from: 'gpt-4.1', to: 'gpt-4.1', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
|
||
{ label: 'o1', from: 'o1', to: 'o1', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
|
||
{ label: 'o3', from: 'o3', to: 'o3', color: 'bg-emerald-100 text-emerald-700 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:text-emerald-400' },
|
||
{ label: 'GPT-5', from: 'gpt-5', to: 'gpt-5', color: 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/30 dark:text-amber-400' },
|
||
{ label: 'GPT-5.1', from: 'gpt-5.1', to: 'gpt-5.1', color: 'bg-orange-100 text-orange-700 hover:bg-orange-200 dark:bg-orange-900/30 dark:text-orange-400' },
|
||
{ label: 'GPT-5.2', from: 'gpt-5.2', to: 'gpt-5.2', color: 'bg-red-100 text-red-700 hover:bg-red-200 dark:bg-red-900/30 dark:text-red-400' },
|
||
{ label: 'GPT-5.1 Codex', from: 'gpt-5.1-codex', to: 'gpt-5.1-codex', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' }
|
||
]
|
||
|
||
const geminiPresetMappings = [
|
||
{ label: 'Flash 2.0', from: 'gemini-2.0-flash', to: 'gemini-2.0-flash', color: 'bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400' },
|
||
{ label: '2.5 Flash', from: 'gemini-2.5-flash', to: 'gemini-2.5-flash', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
|
||
{ label: '2.5 Pro', from: 'gemini-2.5-pro', to: 'gemini-2.5-pro', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' }
|
||
]
|
||
|
||
// Antigravity 预设映射(支持通配符)
|
||
const antigravityPresetMappings = [
|
||
// Claude 通配符映射
|
||
{ label: 'Claude→Sonnet', from: 'claude-*', to: 'claude-sonnet-4-5', color: 'bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400' },
|
||
{ label: 'Sonnet→Sonnet', from: 'claude-sonnet-*', to: 'claude-sonnet-4-5', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
|
||
{ label: 'Opus→Opus', from: 'claude-opus-*', to: 'claude-opus-4-5-thinking', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
|
||
{ label: 'Haiku→Sonnet', from: 'claude-haiku-*', to: 'claude-sonnet-4-5', color: 'bg-emerald-100 text-emerald-700 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:text-emerald-400' },
|
||
// Gemini 通配符映射
|
||
{ label: 'Gemini 3→Flash', from: 'gemini-3*', to: 'gemini-3-flash', color: 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/30 dark:text-amber-400' },
|
||
{ label: 'Gemini 2.5→Flash', from: 'gemini-2.5*', to: 'gemini-2.5-flash', color: 'bg-orange-100 text-orange-700 hover:bg-orange-200 dark:bg-orange-900/30 dark:text-orange-400' },
|
||
// 精确映射
|
||
{ label: 'Sonnet 4.5', from: 'claude-sonnet-4-5', to: 'claude-sonnet-4-5', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
|
||
{ label: 'Opus 4.5', from: 'claude-opus-4-5-thinking', to: 'claude-opus-4-5-thinking', color: 'bg-pink-100 text-pink-700 hover:bg-pink-200 dark:bg-pink-900/30 dark:text-pink-400' }
|
||
]
|
||
|
||
// Antigravity 默认映射(从后端 API 获取,与 constants.go 保持一致)
|
||
// 使用 fetchAntigravityDefaultMappings() 异步获取
|
||
import { getAntigravityDefaultModelMapping } from '@/api/admin/accounts'
|
||
|
||
let _antigravityDefaultMappingsCache: { from: string; to: string }[] | null = null
|
||
|
||
export async function fetchAntigravityDefaultMappings(): Promise<{ from: string; to: string }[]> {
|
||
if (_antigravityDefaultMappingsCache !== null) {
|
||
return _antigravityDefaultMappingsCache
|
||
}
|
||
try {
|
||
const mapping = await getAntigravityDefaultModelMapping()
|
||
_antigravityDefaultMappingsCache = Object.entries(mapping).map(([from, to]) => ({ from, to }))
|
||
} catch (e) {
|
||
console.warn('[fetchAntigravityDefaultMappings] API failed, using empty fallback', e)
|
||
_antigravityDefaultMappingsCache = []
|
||
}
|
||
return _antigravityDefaultMappingsCache
|
||
}
|
||
|
||
// =====================
|
||
// 常用错误码
|
||
// =====================
|
||
|
||
export const commonErrorCodes = [
|
||
{ value: 401, label: 'Unauthorized' },
|
||
{ value: 403, label: 'Forbidden' },
|
||
{ value: 429, label: 'Rate Limit' },
|
||
{ value: 500, label: 'Server Error' },
|
||
{ value: 502, label: 'Bad Gateway' },
|
||
{ value: 503, label: 'Unavailable' },
|
||
{ value: 529, label: 'Overloaded' }
|
||
]
|
||
|
||
// =====================
|
||
// 辅助函数
|
||
// =====================
|
||
|
||
// 按平台获取模型
|
||
export function getModelsByPlatform(platform: string): string[] {
|
||
switch (platform) {
|
||
case 'openai': return openaiModels
|
||
case 'anthropic':
|
||
case 'claude': return claudeModels
|
||
case 'gemini': return geminiModels
|
||
case 'antigravity': return antigravityModels
|
||
case 'zhipu': return zhipuModels
|
||
case 'qwen': return qwenModels
|
||
case 'deepseek': return deepseekModels
|
||
case 'mistral': return mistralModels
|
||
case 'meta': return metaModels
|
||
case 'xai': return xaiModels
|
||
case 'cohere': return cohereModels
|
||
case 'yi': return yiModels
|
||
case 'moonshot': return moonshotModels
|
||
case 'doubao': return doubaoModels
|
||
case 'minimax': return minimaxModels
|
||
case 'baidu': return baiduModels
|
||
case 'spark': return sparkModels
|
||
case 'hunyuan': return hunyuanModels
|
||
case 'perplexity': return perplexityModels
|
||
default: return claudeModels
|
||
}
|
||
}
|
||
|
||
// 按平台获取预设映射
|
||
export function getPresetMappingsByPlatform(platform: string) {
|
||
if (platform === 'openai') return openaiPresetMappings
|
||
if (platform === 'gemini') return geminiPresetMappings
|
||
if (platform === 'antigravity') return antigravityPresetMappings
|
||
return anthropicPresetMappings
|
||
}
|
||
|
||
// =====================
|
||
// 构建模型映射对象(用于 API)
|
||
// =====================
|
||
|
||
// isValidWildcardPattern 校验通配符格式:* 只能放在末尾
|
||
// 导出供表单组件使用实时校验
|
||
export function isValidWildcardPattern(pattern: string): boolean {
|
||
const starIndex = pattern.indexOf('*')
|
||
if (starIndex === -1) return true // 无通配符,有效
|
||
// * 必须在末尾,且只能有一个
|
||
return starIndex === pattern.length - 1 && pattern.lastIndexOf('*') === starIndex
|
||
}
|
||
|
||
export function buildModelMappingObject(
|
||
mode: 'whitelist' | 'mapping',
|
||
allowedModels: string[],
|
||
modelMappings: { from: string; to: string }[]
|
||
): Record<string, string> | null {
|
||
const mapping: Record<string, string> = {}
|
||
|
||
if (mode === 'whitelist') {
|
||
for (const model of allowedModels) {
|
||
// whitelist 模式的本意是"精确模型列表",如果用户输入了通配符(如 claude-*),
|
||
// 写入 model_mapping 会导致 GetMappedModel() 把真实模型映射成 "claude-*",从而转发失败。
|
||
// 因此这里跳过包含通配符的条目。
|
||
if (!model.includes('*')) {
|
||
mapping[model] = model
|
||
}
|
||
}
|
||
} else {
|
||
for (const m of modelMappings) {
|
||
const from = m.from.trim()
|
||
const to = m.to.trim()
|
||
if (!from || !to) continue
|
||
// 校验通配符格式:* 只能放在末尾
|
||
if (!isValidWildcardPattern(from)) {
|
||
console.warn(`[buildModelMappingObject] 无效的通配符格式,跳过: ${from}`)
|
||
continue
|
||
}
|
||
// to 不允许包含通配符
|
||
if (to.includes('*')) {
|
||
console.warn(`[buildModelMappingObject] 目标模型不能包含通配符,跳过: ${from} -> ${to}`)
|
||
continue
|
||
}
|
||
mapping[from] = to
|
||
}
|
||
}
|
||
|
||
return Object.keys(mapping).length > 0 ? mapping : null
|
||
}
|