插件详情v1.5.6

zstandard_macos

macOS implementation of the Zstandard compression plugin for Flutter applications.

macOS

pub.dev API 文档源代码

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安装插件

flutter pub add zstandard_macos

插件介绍

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。

The zstandard_macos package provides a macOS-specific implementation of the Zstandard compression algorithm for Flutter applications. It enables efficient, high-performance compression and decompression of data on macOS platforms, leveraging the native Zstandard library for optimal speed and compression ratio. Designed for developers seeking fast, reliable file compression within Flutter apps targeting macOS, it integrates seamlessly with existing Dart code. The package is particularly useful for handling large datasets, reducing storage usage, or optimizing data transfer in macOS-native applications.

适合场景

Compressing large files for storage
Optimizing data transfer in macOS apps
Reducing app bundle size
Handling real-time data compression
Improving performance of file operations

主要特点

Native Zstandard integration
High compression ratios
Fast compression/decompression speeds
macOS-only platform support
Seamless Flutter integration

适合对象

Flutter developers targeting macOS
Applications requiring efficient file compression
Performance-sensitive data processing
Apps managing large datasets

使用建议

Limited to macOS platform
Requires native library setup
May increase app binary size
Dependent on external Zstandard library
Not compatible with other platforms

原始 README

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。

Zstandard

Zstandard (zstd) is a fast, high-compression algorithm developed by Meta (formerly Facebook) designed for real-time compression scenarios. It offers a flexible range of compression levels, allowing both high-speed and high-ratio compression, making it ideal for applications with diverse performance needs. Zstandard is widely used in data storage, transmission, and backup solutions.

This repository contains a federated Flutter plugin and a CLI package for zstandard compression, enabling both in-app and command-line usage. The two main components are:

zstandard: A Flutter plugin for cross-platform compression, supporting mobile, desktop, and web platforms. This package integrates the zstd library through FFI for native platforms and WebAssembly for the web, allowing efficient data compression in any Flutter environment.
zstandard_cli: A pure Dart package providing CLI capabilities for macOS, Windows, and Linux. It enables command-line compression and decompression for data files and streams.

Native platform packages and the CLI share the zstd C source and FFI bindings via the zstandard_native package (zstandard_native/src/zstd/). zstandard_native is published to pub.dev as part of this repo’s release set, so a single copy is used whether you depend on the plugin from the repo or from pub.dev.

Compatibility

	Android	iOS	Web	macOS	Windows	Linux	Fuchsia
Flutter	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark: (wasm)	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	❌
Native	FFI	FFI	WebAssembly	FFI	FFI	FFI	❌
Precompiled	No	No	Yes	No	No	No	❌

	macOS	Windows	Linux
x64	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
arm64	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
Precompiled	Yes	Yes	Yes

Documentation

Full documentation is in the docs/ directory, including:

Basic Usage

In-App (Flutter)

import 'package:zstandard/zstandard.dart';

void main() async {
  final zstandard = Zstandard();

  Uint8List originalData = Uint8List.fromList([...]);

  Uint8List? compressed = await zstandard.compress(originalData, 3);
  
  final decompressed = compressed == null
      ? null
      : await zstandard.decompress(compressed, maxOutputSize: 64 * 1024 * 1024);
}

Using extensions:

import 'package:zstandard/zstandard.dart';

void main() async {
  Uint8List originalData = Uint8List.fromList([...]);

  Uint8List? compressed = await originalData.compress();
  
  final decompressed = await compressed.decompress(
    maxOutputSize: 64 * 1024 * 1024,
  );
}

Command Line (zstandard_cli)

# Compress a file with a specified compression level
dart run zstandard_cli:compress --level 3 myfile.txt

# Decompress a file
dart run zstandard_cli:decompress myfile.txt.zstd

Dart Code Example (CLI)

import 'package:zstandard_cli/zstandard_cli.dart';

void main() async {
  var cli = ZstandardCLI();

  final originalData = Uint8List.fromList([...]);

  final compressed = await cli.compress(originalData, compressionLevel: 3);

  final decompressed = await cli.decompress(compressed ?? Uint8List(0));
}

Using extensions in Dart:

import 'package:zstandard_cli/zstandard_cli.dart';

void main() async {
  final originalData = Uint8List.fromList([...]);

  final compressed = await originalData.compress(compressionLevel: 3);

  final decompressed = await compressed.decompress();
}