lazy.nvim/lua/lazy/core/handler/init.lua

140 lines
3.2 KiB
Lua

local Config = require("lazy.core.config")
local Util = require("lazy.core.util")
---@class LazyHandler
---@field type LazyHandlerTypes
---@field extends? LazyHandler
---@field active table<string,table<string,string>>
---@field managed table<string,string>
---@field super LazyHandler
local M = {}
---@enum LazyHandlerTypes
M.types = {
keys = "keys",
event = "event",
cmd = "cmd",
ft = "ft",
}
---@type table<string,LazyHandler>
M.handlers = {}
M.did_setup = false
function M.init()
for _, type in pairs(M.types) do
M.handlers[type] = M.new(type)
end
end
function M.setup()
M.did_setup = true
for _, plugin in pairs(Config.plugins) do
Util.try(function()
M.enable(plugin)
end, "Failed to setup handlers for " .. plugin.name)
end
end
---@param plugin LazyPlugin
function M.disable(plugin)
for type in pairs(plugin._.handlers or {}) do
M.handlers[type]:del(plugin)
end
end
---@param plugin LazyPlugin
function M.enable(plugin)
if not plugin._.loaded then
if not plugin._.handlers then
plugin._.handlers = {}
for type, handler in pairs(M.handlers) do
if plugin[type] then
handler:load(plugin)
end
end
end
for type in pairs(plugin._.handlers or {}) do
M.handlers[type]:add(plugin)
end
end
end
---@param type LazyHandlerTypes
function M.new(type)
---@type LazyHandler
local handler = require("lazy.core.handler." .. type)
local super = handler.extends or M
local self = setmetatable({}, { __index = setmetatable(handler, { __index = super }) })
self.super = super
self.active = {}
self.managed = {}
self.type = type
return self
end
---@param _value string
---@protected
function M:_add(_value) end
---@param _value string
---@protected
function M:_del(_value) end
---@param value any
---@param _plugin LazyPlugin
---@return string|{id:string}
function M:_parse(value, _plugin)
assert(type(value) == "string", "Expected string, got " .. vim.inspect(value))
return value
end
---@param values any[]
---@param plugin LazyPlugin
function M:_values(values, plugin)
---@type table<string,any>
local ret = {}
for _, value in ipairs(values) do
local parsed = self:_parse(value, plugin)
ret[type(parsed) == "string" and parsed or parsed.id] = parsed
end
return ret
end
---@param plugin LazyPlugin
function M:load(plugin)
local Plugin = require("lazy.core.plugin")
plugin._.handlers[self.type] = self:_values(Plugin.values(plugin, self.type, true), plugin)
end
---@param plugin LazyPlugin
function M:add(plugin)
for key, value in pairs(plugin._.handlers[self.type] or {}) do
if not self.active[key] then
self.active[key] = {}
self:_add(value)
self.managed[key] = key
end
self.active[key][plugin.name] = plugin.name
end
end
---@param plugin LazyPlugin
function M:del(plugin)
if not plugin._.handlers then
return
end
for key, value in pairs(plugin._.handlers[self.type] or {}) do
if self.active[key] and self.active[key][plugin.name] then
self.active[key][plugin.name] = nil
if vim.tbl_isempty(self.active[key]) then
self:_del(value)
self.active[key] = nil
end
end
end
end
return M