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