LibreChat/api
Danny Avila 8bdc808074
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refactor: Optimize & Standardize Tokenizer Usage (#10777)
* refactor: Token Limit Processing with Enhanced Efficiency

- Added a new test suite for `processTextWithTokenLimit`, ensuring comprehensive coverage of various scenarios including under, at, and exceeding token limits.
- Refactored the `processTextWithTokenLimit` function to utilize a ratio-based estimation method, significantly reducing the number of token counting function calls compared to the previous binary search approach.
- Improved handling of edge cases and variable token density, ensuring accurate truncation and performance across diverse text inputs.
- Included direct comparisons with the old implementation to validate correctness and efficiency improvements.

* refactor: Remove Tokenizer Route and Related References

- Deleted the tokenizer route from the server and removed its references from the routes index and server files, streamlining the API structure.
- This change simplifies the routing configuration by eliminating unused endpoints.

* refactor: Migrate countTokens Utility to API Module

- Removed the local countTokens utility and integrated it into the @librechat/api module for centralized access.
- Updated various files to reference the new countTokens import from the API module, ensuring consistent usage across the application.
- Cleaned up unused references and imports related to the previous countTokens implementation.

* refactor: Centralize escapeRegExp Utility in API Module

- Moved the escapeRegExp function from local utility files to the @librechat/api module for consistent usage across the application.
- Updated imports in various files to reference the new centralized escapeRegExp function, ensuring cleaner code and reducing redundancy.
- Removed duplicate implementations of escapeRegExp from multiple files, streamlining the codebase.

* refactor: Enhance Token Counting Flexibility in Text Processing

- Updated the `processTextWithTokenLimit` function to accept both synchronous and asynchronous token counting functions, improving its versatility.
- Introduced a new `TokenCountFn` type to define the token counting function signature.
- Added comprehensive tests to validate the behavior of `processTextWithTokenLimit` with both sync and async token counting functions, ensuring consistent results.
- Implemented a wrapper to track call counts for the `countTokens` function, optimizing performance and reducing unnecessary calls.
- Enhanced existing tests to compare the performance of the new implementation against the old one, demonstrating significant improvements in efficiency.

* chore: documentation for Truncation Safety Buffer in Token Processing

- Added a safety buffer multiplier to the character position estimates during text truncation to prevent overshooting token limits.
- Updated the `processTextWithTokenLimit` function to utilize the new `TRUNCATION_SAFETY_BUFFER` constant, enhancing the accuracy of token limit processing.
- Improved documentation to clarify the rationale behind the buffer and its impact on performance and efficiency in token counting.
2025-12-02 12:22:04 -05:00
..
app refactor: Optimize & Standardize Tokenizer Usage (#10777) 2025-12-02 12:22:04 -05:00
cache 🔄 refactor: Migrate Cache Logic to TypeScript (#9771) 2025-10-02 09:33:58 -04:00
config 📜 feat: Configurable Debug Message Length for Logs (#10447) 2025-11-10 21:40:37 -05:00
db 🔀 refactor: Only Cleanup Meili Sync if actually Synced 2025-10-05 22:41:40 -04:00
lib/utils 🏗️ refactor: Extract DB layers to data-schemas for shared use (#7650) 2025-05-30 22:18:13 -04:00
models refactor: Optimize & Standardize Tokenizer Usage (#10777) 2025-12-02 12:22:04 -05:00
server refactor: Optimize & Standardize Tokenizer Usage (#10777) 2025-12-02 12:22:04 -05:00
strategies 📬 refactor: Normalize Email Handling in User Methods (#10743) 2025-12-01 09:41:25 -05:00
test 🆔 feat: Add OpenID Connect Federated Provider Token Support (#9931) 2025-11-21 09:51:11 -05:00
utils 🤖 feat: Tool Calling Support for DeepSeek V3.2 + OpenRouter Reasoning (#10752) 2025-12-01 14:27:08 -05:00
jest.config.js 🏪 feat: Agent Marketplace 2025-08-13 16:24:18 -04:00
jsconfig.json feat(api): initial Redis support; fix(SearchBar): proper debounce (#1039) 2023-10-11 17:05:47 -04:00
package.json 📦 chore: Bump @librechat/agents to v3.0.36 (#10775) 2025-12-02 10:35:19 -05:00
typedefs.js 🤖 refactor: Improve Agent Handoff Context Tracking (#10553) 2025-11-17 16:57:51 -05:00