flutter pub add characters基于插件公开信息、社区数据与项目使用情况整理的选型参考。
characters 包为 Dart 提供了 Unicode 友好的字符串操作，确保索引和替换等操作尊重字形簇——由多个代码点组成的单个可见字符。该包使国际化应用中的文本处理更加安全和准确，尤其适用于用户输入复杂脚本或表情符号的场景。该包通过扩展 String 类并引入 Characters 类，正确处理组合标记和代理对等边缘情况。
以下为关联源码仓库的 README 原文快照，最新内容请访问源码仓库。
This repository is home to various Dart packages under the dart.dev publisher.
| Package | Description | Issues | Version |
|---|---|---|---|
| args | Library for defining parsers for parsing raw command-line arguments into a set of options and values using GNU and POSIX style options. |  |
 |
| async | Utility functions and classes related to the 'dart:async' library. | |
 |
| characters | String replacement with operations that are Unicode/grapheme cluster aware. | |
 |
| collection | Collections and utilities functions and classes related to collections. | |
 |
| convert | Utilities for converting between data representations. Provides a number of Sink, Codec, Decoder, and Encoder types. | |
 |
| crypto | Implementations of SHA, MD5, and HMAC cryptographic functions. | |
 |
| fixnum | Library for 32- and 64-bit signed fixed-width integers with consistent behavior between native and JS runtimes. | |
 |
| lints | Official Dart lint rules. Defines the 'core' and 'recommended' set of lints suggested by the Dart team. | |
 |
| logging | Provides APIs for debugging and error logging, similar to loggers in other languages, such as the Closure JS Logger and java.util.logging.Logger. | |
 |
| os_detect | Platform independent OS detection. | |
 |
| path | A string-based path manipulation library. | |
 |
| platform | A pluggable, mockable platform information abstraction for Dart. | |
 |
| typed_data | Utility functions and classes related to the dart:typed_data library. | |
 |
For information about our publishing automation and release process, see https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.
For additional information about contributing, see our contributing page.