coc-json

Json language server extension for coc.nvim.

The server code is extracted from VSCode, which uses vscode-json-languageservice

For highlight of jsonc filetype, you may need jsonc.vim

Install

In your vim/neovim, run the following command:

:CocInstall coc-json

Features

Same as VSCode.

All features of 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.
• 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