为什么许多工具采用JSON作为配置文件格式

在Hacker News的一次讨论中，用户提出了一个疑问：既然JSON不支持注释等基本功能，为什么仍有众多工具选择它作为配置文件格式1。

参与讨论的用户给出了多个解释。有观点认为，工具采用JSON主要是因为所用的编程语言或框架内置了JSON解析器1；另有人指出，JSON因为得到广泛支持而被广泛使用1。不过，也有用户主张TOML是配置文件的更优选择，理由是TOML支持注释1。针对TOML曾经缺乏schema验证的问题，讨论参与者指出这一障碍已通过TOML Schema项目和相关代码代理技术解决1。讨论中还涉及YAML、PHP常量配置等其他配置格式1。

A discussion on Hacker News explored the widespread use of JSON as a configuration format across software tools, despite its notable limitations 1. Users questioned why JSON remains popular given that it lacks support for comments, a feature commonly expected in configuration files 1.

Participants identified several reasons for JSON's prevalence. One key factor is that many programming languages and frameworks include built-in JSON parsers, making it a convenient default choice for developers 1. Additionally, JSON's broad support across different platforms and tools contributes to its adoption 1. However, some community members argued that TOML offers a superior alternative for configuration purposes, primarily because TOML supports comments, enabling better documentation within configuration files 1. While TOML previously lacked schema validation capabilities, this limitation has been addressed through the TOML Schema project and related tooling available at tomlschema.org 1.

The discussion also touched upon other configuration formats including YAML and PHP constants, reflecting the diverse ecosystem of options available to developers when selecting a configuration file format 1.