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IDE/Text editors support

Jet Brains plugin (official)​

Provides autocomplete and filetype support.

Plugin site

Emacs plugin (community)​

Provides autocomplete and filetype support.

Plugin site

JSON Schema​

In order to get autocomplete and filetype support in any editor, you can use the JSON schema file provided by Lets.

VSCode​

To use the JSON schema in VSCode, you can use the YAML extension.

Add the following to your settings.json:

{
  "yaml.schemas": {
    "https://lets-cli.org/schema.json": [
      "**/lets.yaml",
      "**/lets*.yaml",
    ]
  }
}

Neovim​

To use the JSON schema in Neovim, you can use the nvim-lspconfig with SchemaStore plugin.

In your nvim-lspconfig configuration, add the following:

servers = {
  yamlls = {
    on_new_config = function(new_config)
      local yaml_schemas = require("schemastore").yaml.schemas({
        extra = {
          {
            description = "Lets JSON schema",
            fileMatch = { "lets.yaml", "lets*.yaml" },
            name = "lets.schema.json",
            url = "https://lets-cli.org/schema.json",
          },
        },
      })
      new_config.settings.yaml.schemas = vim.tbl_deep_extend("force", new_config.settings.yaml.schemas or {}, yaml_schemas)
    end,
  },
}