feat(docs): Generate config defaults from schema

README.md

@@ -23,43 +23,49 @@ or to configure `codesettings.nvim` itself with local files.
 
 - lazy.nvim (recommended)
 
+<!-- GENERATED:CONFIG:START -->
+
 ```lua
 return {
   'mrjones2014/codesettings.nvim',
   -- these are the default settings just set `opts = {}` to use defaults
   opts = {
     ---Look for these config files
-    config_file_paths = { '.vscode/settings.json', 'codesettings.json', 'lspsettings.json' },
+    config_file_paths = { ".vscode/settings.json", "codesettings.json", "lspsettings.json" },
+    ---Set filetype to jsonc when opening a file specified by `config_file_paths`,
+    ---make sure you have the json tree-sitter parser installed for highlighting
+    jsonc_filetype = true,
     ---Integrate with jsonls to provide LSP completion for LSP settings based on schemas
     jsonls_integration = true,
-    ---Set up library paths for lua_ls automatically to pick up the generated type
+    ---Enable live reloading of settings when config files change; for servers that support it,
+    ---this is done via the `workspace/didChangeConfiguration` notification, otherwise the
+    ---server is restarted
+    live_reload = false,
+    ---List of loader extensions to use when loading settings; `string` values will be `require`d
+    loader_extensions = {},
+    ---Set up library paths for `lua_ls` automatically to pick up the generated type
     ---annotations provided by codesettings.nvim; to enable for only your nvim config,
     ---you can also do something like:
     ---lua_ls_integration = function()
     ---  return vim.uv.cwd() == ('%s/.config/nvim'):format(vim.env.HOME)
     ---end,
     ---This integration also works for emmylua_ls
     lua_ls_integration = true,
-    ---Set filetype to jsonc when opening a file specified by `config_file_paths`,
-    ---make sure you have the json tree-sitter parser installed for highlighting
-    jsonc_filetype = true,
-    ---Enable live reloading of settings when config files change; for servers that support it,
-    ---this is done via the `workspace/didChangeConfiguration` notification, otherwise the
-    ---server is restarted
-    live_reload = false,
+    ---How to merge lists; 'append' (default), 'prepend' or 'replace'
+    merge_lists = "append",
     ---Provide your own root dir; can be a string or function returning a string.
     ---It should be/return the full absolute path to the root directory.
     ---If not set, defaults to `require('codesettings.util').get_root()`
     root_dir = nil,
-    --- How to merge lists; 'append' (default), 'prepend' or 'replace'
-    merge_lists = 'append',
   },
   -- I recommend loading on these filetype so that the
   -- jsonls integration, lua_ls integration, and jsonc filetype setup works
   ft = { 'json', 'jsonc', 'lua' },
 }
 ```
 
+<!-- GENERATED:CONFIG:END -->
+
 `codesettings.nvim` can also be specified in the local JSON configuration files by using a top-level `codesettings`
 object key, and these _override the global plugin configuration._ For example:
 
@@ -369,7 +375,7 @@ This project would not exist without the hard work of some other open source pro
 
 ## Supported LSP Servers
 
-<!-- GENERATED -->
+<!-- GENERATED:SERVERS:START -->
 
 - [x] [als](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/ada/package.json)
 - [x] [angularls](https://github.com/angular/vscode-ng-language-service/refs/heads/tree/main/package.json)
@@ -444,3 +450,4 @@ This project would not exist without the hard work of some other open source pro
 - [x] [zeta_note](https://github.com/artempyanykh/zeta-note-vscode/tree/main/package.json)
 - [x] [zls](https://github.com/zigtools/zls-vscode/tree/master/package.json)
 
+<!-- GENERATED:SERVERS:END -->

lua/codesettings/build/doc.lua

@@ -1,13 +1,17 @@
+local ConfigSchema = require('codesettings.config.schema')
 local Schemas = require('codesettings.build.schemas')
 local Util = require('codesettings.util')
 
 local M = {}
 
-function M.build()
-  if #arg == 0 then
-    error('This function is part of a build tool and should not be called directly!')
-  end
-  print('Generating list of supported LSP servers in README.md...')
+---@class DocSection
+---@field start_marker string The start marker to find in the README (without <!-- -->)
+---@field end_marker string The end marker to find in the README (without <!-- -->)
+---@field generator fun(): string Function that generates the content for this section
+
+---Generate the LSP servers list section
+---@return string
+local function generate_lsp_servers()
   local lines = {}
   local schemas = Schemas.get_schemas()
   local lsp_names = vim.tbl_keys(schemas)
@@ -24,10 +28,112 @@ function M.build()
     end
     table.insert(lines, ('- [x] [%s](%s)'):format(name, url))
   end
-  local generated_doc = '<!-- GENERATED -->\n\n' .. table.concat(lines, '\n') .. '\n'
+  return table.concat(lines, '\n')
+end
+
+---Format a value for Lua code
+---@param value any
+---@return string
+local function format_value(value)
+  if value == nil or value == vim.NIL then
+    return 'nil'
+  elseif type(value) == 'string' then
+    return vim.inspect(value)
+  elseif type(value) == 'table' and vim.tbl_isempty(value) then
+    return '{}'
+  else
+    return vim.inspect(value)
+  end
+end
+
+---Generate the default config section
+---@return string
+local function generate_default_config()
+  local lines = {}
+  table.insert(lines, '```lua')
+  table.insert(lines, 'return {')
+  table.insert(lines, "  'mrjones2014/codesettings.nvim',")
+  table.insert(lines, '  -- these are the default settings just set `opts = {}` to use defaults')
+  table.insert(lines, '  opts = {')
+
+  -- Get sorted property names
+  local props = vim.tbl_keys(ConfigSchema.properties)
+  table.sort(props)
+
+  for _, name in ipairs(props) do
+    local prop = ConfigSchema.properties[name]
+
+    -- Add description as comment
+    if prop.description then
+      -- Handle multi-line descriptions
+      for line in prop.description:gmatch('[^\n]+') do
+        table.insert(lines, '    ---' .. line)
+      end
+    end
+
+    -- Add the field with default value
+    local default_val = prop.default
+    if default_val == vim.NIL then
+      default_val = nil
+    end
+
+    local formatted_value = format_value(default_val)
+    table.insert(lines, '    ' .. name .. ' = ' .. formatted_value .. ',')
+  end
+
+  table.insert(lines, '  },')
+  table.insert(lines, '  -- I recommend loading on these filetype so that the')
+  table.insert(lines, '  -- jsonls integration, lua_ls integration, and jsonc filetype setup works')
+  table.insert(lines, "  ft = { 'json', 'jsonc', 'lua' },")
+  table.insert(lines, '}')
+  table.insert(lines, '```')
+
+  return table.concat(lines, '\n')
+end
+
+---@type DocSection[]
+local sections = {
+  {
+    start_marker = 'GENERATED:CONFIG:START',
+    end_marker = 'GENERATED:CONFIG:END',
+    generator = generate_default_config,
+  },
+  {
+    start_marker = 'GENERATED:SERVERS:START',
+    end_marker = 'GENERATED:SERVERS:END',
+    generator = generate_lsp_servers,
+  },
+}
+
+function M.build()
+  if #arg == 0 then
+    error('This function is part of a build tool and should not be called directly!')
+  end
+
+  print('Generating documentation sections in README.md...')
   local readme = Util.read_file('README.md')
-  readme = readme:gsub('<!%-%- GENERATED %-%->.*', generated_doc) .. '\n'
+
+  -- Process each section
+  for _, section in ipairs(sections) do
+    local content = section.generator()
+    local start_pattern = '<!%-%- ' .. section.start_marker:gsub('%-', '%%-') .. ' %-%->'
+    local end_pattern = '<!%-%- ' .. section.end_marker:gsub('%-', '%%-') .. ' %-%->'
+
+    -- Replace content between start and end markers
+    local pattern = '(' .. start_pattern .. ').-(' .. end_pattern .. ')'
+    local replacement = '%1\n\n' .. content .. '\n\n%2'
+
+    local new_readme, count = readme:gsub(pattern, replacement)
+    if count > 0 then
+      readme = new_readme
+      print('  Generated section: ' .. section.start_marker:gsub(':START', ''))
+    else
+      print('  Warning: Markers not found: ' .. section.start_marker .. ' / ' .. section.end_marker)
+    end
+  end
+
   Util.write_file('README.md', readme)
+  print('Documentation generation complete!')
 end
 
 return M

lua/codesettings/config/schema.lua

@@ -33,20 +33,22 @@ M.properties = {
   config_file_paths = {
     type = 'array',
     items = { type = 'string', description = 'List of relative config file paths to look for' },
-    description = 'List of config file paths to look for',
+    description = 'Look for these config files',
     default = { '.vscode/settings.json', 'codesettings.json', 'lspsettings.json' },
     overridable = true,
   },
   merge_lists = {
     type = 'CodesettingsMergeListsBehavior',
-    description = 'How to merge list fields when combining settings from multiple sources',
+    description = [[How to merge lists; 'append' (default), 'prepend' or 'replace']],
     enum = { 'replace', 'append', 'prepend' },
     default = 'append',
     overridable = true,
   },
   root_dir = {
     type = { 'string', { args = {}, ret = 'string' }, 'null' },
-    description = "Function or string to determine the project root directory; defaults to `require('codesettings.util').get_root()`",
+    description = [[Provide your own root dir; can be a string or function returning a string.
+It should be/return the full absolute path to the root directory.
+If not set, defaults to `require('codesettings.util').get_root()`]],
     default = vim.NIL,
     overridable = true,
   },
@@ -62,22 +64,31 @@ M.properties = {
   },
   jsonls_integration = {
     type = 'boolean',
-    description = 'Integrate with jsonls for LSP settings completion',
+    description = 'Integrate with jsonls to provide LSP completion for LSP settings based on schemas',
     default = true,
   },
   lua_ls_integration = {
     type = { 'boolean', { args = {}, ret = 'boolean' } },
-    description = 'Integrate with lua_ls for LSP settings completion; can be a function so that, for example, you can enable it only if editing your nvim config',
+    description = [[Set up library paths for `lua_ls` automatically to pick up the generated type
+annotations provided by codesettings.nvim; to enable for only your nvim config,
+you can also do something like:
+lua_ls_integration = function()
+  return vim.uv.cwd() == ('%%s/.config/nvim'):format(vim.env.HOME)
+end,
+This integration also works for emmylua_ls]],
     default = true,
   },
   jsonc_filetype = {
     type = 'boolean',
-    description = 'Set filetype to jsonc for config files',
+    description = [[Set filetype to jsonc when opening a file specified by `config_file_paths`,
+make sure you have the json tree-sitter parser installed for highlighting]],
     default = true,
   },
   live_reload = {
     type = 'boolean',
-    description = 'Enable live reloading of settings when config files change; for servers that support it, this is done via the `workspace/didChangeConfiguration` notification, otherwise the server is restarted',
+    description = [[Enable live reloading of settings when config files change; for servers that support it,
+this is done via the `workspace/didChangeConfiguration` notification, otherwise the
+server is restarted]],
     default = false,
   },
 }

lua/codesettings/generated/codesettings-config-schema.lua

@@ -8,7 +8,7 @@
 
 ---Options which can be passed on a per-load basis (i.e. can override global config)
 ---@class CodesettingsOverridableConfig
----List of config file paths to look for
+---Look for these config files
 ---
 ---```lua
 ---default = { ".vscode/settings.json", "codesettings.json", "lspsettings.json" }
@@ -20,13 +20,15 @@
 ---default = {}
 ---```
 ---@field loader_extensions (string|CodesettingsLoaderExtension)[]?
----How to merge list fields when combining settings from multiple sources
+---How to merge lists; 'append' (default), 'prepend' or 'replace'
 ---
 ---```lua
 ---default = "append"
 ---```
 ---@field merge_lists CodesettingsMergeListsBehavior?
----Function or string to determine the project root directory; defaults to `require('codesettings.util').get_root()`
+---Provide your own root dir; can be a string or function returning a string.
+---It should be/return the full absolute path to the root directory.
+---If not set, defaults to `require('codesettings.util').get_root()`
 ---
 ---```lua
 ---default = nil
@@ -35,21 +37,30 @@
 
 ---Main configuration class
 ---@class CodesettingsConfig: CodesettingsOverridableConfig
----Set filetype to jsonc for config files
+---Set filetype to jsonc when opening a file specified by `config_file_paths`,
+---make sure you have the json tree-sitter parser installed for highlighting
 ---
 ---```lua
 ---default = true
 ---```
 ---@field jsonc_filetype boolean
----Integrate with jsonls for LSP settings completion
+---Integrate with jsonls to provide LSP completion for LSP settings based on schemas
 ---
 ---```lua
 ---default = true
 ---```
 ---@field jsonls_integration boolean
----Enable live reloading of settings when config files change; for servers that support it, this is done via the `workspace/didChangeConfiguration` notification, otherwise the server is restarted
+---Enable live reloading of settings when config files change; for servers that support it,
+---this is done via the `workspace/didChangeConfiguration` notification, otherwise the
+---server is restarted
 ---@field live_reload boolean
----Integrate with lua_ls for LSP settings completion; can be a function so that, for example, you can enable it only if editing your nvim config
+---Set up library paths for `lua_ls` automatically to pick up the generated type
+---annotations provided by codesettings.nvim; to enable for only your nvim config,
+---you can also do something like:
+---lua_ls_integration = function()
+---  return vim.uv.cwd() == ('%%s/.config/nvim'):format(vim.env.HOME)
+---end,
+---This integration also works for emmylua_ls
 ---
 ---```lua
 ---default = true
@@ -62,7 +73,7 @@
 ---Each overridable config property gets a corresponding setter method.
 ---@class CodesettingsConfigBuilder
 ---@field private _config CodesettingsOverridableConfig
----List of config file paths to look for
+---Look for these config files
 ---
 ---```lua
 ---default = { ".vscode/settings.json", "codesettings.json", "lspsettings.json" }
@@ -74,13 +85,15 @@
 ---default = {}
 ---```
 ---@field loader_extensions fun(self: CodesettingsConfigBuilder, value: (string|CodesettingsLoaderExtension)[]): CodesettingsConfigBuilder
----How to merge list fields when combining settings from multiple sources
+---How to merge lists; 'append' (default), 'prepend' or 'replace'
 ---
 ---```lua
 ---default = "append"
 ---```
 ---@field merge_lists fun(self: CodesettingsConfigBuilder, value: CodesettingsMergeListsBehavior): CodesettingsConfigBuilder
----Function or string to determine the project root directory; defaults to `require('codesettings.util').get_root()`
+---Provide your own root dir; can be a string or function returning a string.
+---It should be/return the full absolute path to the root directory.
+---If not set, defaults to `require('codesettings.util').get_root()`
 ---
 ---```lua
 ---default = nil