skylark
json5
skylark | json5 | |
---|---|---|
1 | 94 | |
1,184 | 6,301 | |
- | 0.9% | |
0.0 | 0.0 | |
about 5 years ago | 5 months ago | |
Go | JavaScript | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 or later |
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skylark
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YAML and Configuration Files
My stance is that YAML is a good format for configuration management and generation -- it's wonderful at filling gaps as your deployment model increases in complexity to provide a mechanism to "render" your configuration -- much like Skylark [1] does (derived from Google's internal GCL).
YAML ends up being a powerfully declarative model [2] for the state of a data structure, rather than a straight representation, ironically often enough being used in turn for an imperative model like in Ansible [3]. Definitely friendlier than JSON. But personally, I really like YAML because it lets me compose using a traits/mixins-like model using & and , which allows for verbose, structured configuration inputs but concise configuration files.
docker-compose YAML files extension fields [4], imo, are a great example of this type of model in action. When you leave this much pre-deserialization flexibility in your configuration representation, it makes building cool stuff like docker-compose ECS support x-aws- extension keys [5] and other plugin system-type capabilities much more straightforward than, for example, adding a new language feature to HCL.
[1]: https://github.com/google/skylark
json5
- JSON5 – JSON for Humans
- Why the fuck are we templating YAML? (2019)
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I pre-released my project "json-responder" written in Rust
JSON5 support
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topoconfig: enhancing config declarations with graphs
Meanwhile, formats have been evolving (JSON5, YAML), config entry points are constantly changing. These fluctuations, fortunately, were covered by tools like the cosmiconfig.
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That's a Lot of YAML
I think JSON5 is fairly close to this: https://json5.org
I reckon the only thing it's missing to be truly accessible to non-techies is that string values still need to be quoted, i.e. you can't have:
key: this is my value
(I'm definitely not saying it would be a good idea to allow quotes to be dropped, just that that's the only potential stumbling block I see for non-techies.)
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XML is better than YAML
I believe that's JSON5.
https://github.com/json5/json5
It's my preferred configuration file format, it fixes all the problems I have with JSON (trailing commas, comments) without turning it into a mess full of gotchas like YAML.
- Fx – Terminal JSON Viewer
- What Is Wrong with TOML?
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🚀 'GET' API in API Maker
JSON 5 support
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TySON: a native go library that lets you use TypeScript as an embedded configuration language without depending on Node or V8
I would like to see mention of JSON5 which is 11 years its elder. For comments in JSON, JSON5 is a good starting point.
What are some alternatives?
yaml-rust - A pure rust YAML implementation.
Json.NET - Json.NET is a popular high-performance JSON framework for .NET
libyaml - Canonical source repository for LibYAML
hjson-js - Hjson for JavaScript
ytt - YAML templating tool that works on YAML structure instead of text
jq - Command-line JSON processor [Moved to: https://github.com/jqlang/jq]
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
toml - Tom's Obvious, Minimal Language
jsonnet - Jsonnet - The data templating language
strictyaml - Type-safe YAML parser and validator.
sublime-hjson - Hjson support for Sublime Text