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collect.js is a dependency-free JavaScript library that provides a fluent, chainable interface for manipulating arrays and objects. It mirrors the Laravel Collection API, offering a consistent set of methods for data transformation across JavaScript and Laravel backend environments. The library stores collection data as plain arrays internally and supports fluent method chaining, where each method returns a new collection instance. The library distinguishes itself by closely replicating the Laravel Collection API in JavaScript, mapping each PHP method to an equivalent JavaScript implementatio

This is a configuration library for JVM applications that parses HOCON, JSON, and Java properties files into an immutable tree structure. It resolves ${...} placeholders by traversing the configuration tree and falling back to environment variables and system properties, and validates loaded configurations against a reference schema. The library loads configuration from classpath resources, files, URLs, system properties, and environment variables, merging them with priority-based override semantics. It provides typed value access with automatic type coercion, supports dot-path navigation,

CodeIgniter is a PHP web framework built on the Model-View-Controller pattern, designed for building full-stack web applications. It provides a lightweight toolkit with minimal configuration, organizing application logic into controllers, models, and views for clean separation of concerns. The framework includes a fluent query builder for constructing SQL statements programmatically, PSR-4 autoloading with namespace mapping, and a service-based dependency injection container for managing shared class instances. The framework distinguishes itself through its comprehensive set of built-in tools

Sugar 是一个 JavaScript 实用程序库，旨在通过额外的方法扩展原生对象和原型，以进行数据操作和转换。它作为一个工具包，用于对象实用程序、日期操作、字符串变形以及缺失或损坏的标准语言功能的 Polyfill。 该库提供了将实用方法直接映射到内置原型或将值包装在临时对象中以实现方法链的能力，而无需修改全局原型。它还包括一个 Polyfill 系统，通过实现缺失的现代语言功能来确保跨不同执行环境的一致行为。 功能包括国际日期格式化和人类可读日期字符串的解析。该库还通过字符串变形和规范化、嵌套对象的深度属性遍历以及区域感知数组排序来处理自然语言处理。此外，它还提供了用于克隆可变对象以及定义数字、日期和字符串值范围的工具。

Unform 是一个 React 表单状态管理器，旨在处理复杂用户输入表单的状态、验证和提交。它利用非受控表单 API，通过使用引用而不是同步状态来管理表单数据，从而最大限度地减少重新渲染。 该库具有嵌套数据映射器，使用作用域和点符号将字段组织成层级对象和数组。它还包括一个自定义输入适配器，用于将第三方 UI 组件和非标准输入连接到中心化表单状态，以及一个验证引擎，用于根据定义的模式检查提交的数据，并将错误消息映射到特定字段。 广泛的功能包括用于数据初始化和重置的中心化状态管理、文件上传处理以及用户输入掩码。该系统提供对表单提交的编程控制，以及对单个输入元素的直接引用访问。

Dynaconf is a configuration management library for Python applications that provides a unified system for loading, validating, and managing settings. It aggregates configuration data from multiple files, environment variables, and external stores into a single object using a defined precedence order. The project distinguishes itself through a layered environment manager that separates settings into distinct profiles, such as development and production. It includes a declarative validation framework to enforce data rules and type constraints during the loading process, as well as an external s