nvim/coc/extensions/node_modules/coc-json/Readme.md

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# coc-json
Json language server extension for [coc.nvim](https://github.com/neoclide/coc.nvim).
The server code is extracted from VSCode, which uses
[vscode-json-languageservice](https://www.npmjs.com/package/vscode-json-languageservice)
For highlight of jsonc filetype, you may need [jsonc.vim](https://github.com/neoclide/jsonc.vim)
## Install
In your vim/neovim, run the following command:
```
:CocInstall coc-json
```
## Features
Same as VSCode.
All features of [vscode-json-languageservice](https://www.npmjs.com/package/vscode-json-languageservice) are supported.
- `doCompletion` for JSON properties and values based on the document's JSON schema.
- `doHover` for values based on descriptions in the document's JSON schema.<Paste>
- Document Symbols for quick navigation to properties in the document.
- Document Colors for showing color decorators on values representing colors.
- Code Formatting supporting ranges and formatting the whole document.
- Diagnostics (Validation) are pushed for all open documents
- syntax errors
- structural validation based on the document's JSON schema.
## Commands
- `json.retryResolveSchema`: Retry resolve schema of current buffer.
## Configuration options
- `json.enable` set to `false` to disable json language server.
- `json.trace.server` trace LSP traffic in output channel.
- `json.execArgv` add `execArgv` to `child_process.fork` used for start
json language server.
- `json.format.enable` set to `false` to disable format.
- `json.schemas` schema associations for json files.
## FAQ
### How to suppress error `[json 521] [e] Comments are not permitted in JSON`?
You can configure your vim to make that file with jsonc filetype to allow comment.
### How to add custom schema definitions/properties?
You have two choices:
- use `$schema` in your json.
- create json schema file and then configure `json.schemes` in your `coc-settings.json`, check out https://github.com/neoclide/coc-json/blob/master/package.json#L55
### Quotes are hidden?
This is not caused by coc-json, you may checkout the `conceallevel` option.
## License
MIT