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local Result = require "mason-core.result"
local _ = require "mason-core.functional"
local util = require "mason-registry.sources.util"
---@class LuaRegistrySourceSpec
---@field id string
---@field mod string
---@class LuaRegistrySource : RegistrySource
---@field private spec LuaRegistrySourceSpec
---@field buffer { specs: RegistryPackageSpec[], instances: table<string, Package> }?
local LuaRegistrySource = {}
LuaRegistrySource.__index = LuaRegistrySource
---@param spec LuaRegistrySourceSpec
function LuaRegistrySource:new(spec)
---@type LuaRegistrySource
local instance = {}
setmetatable(instance, LuaRegistrySource)
instance.id = spec.id
instance.spec = spec
return instance
end
---@param pkg_name string
---@return Package?
function LuaRegistrySource:get_package(pkg_name)
return self:get_buffer().instances[pkg_name]
end
---@param specs RegistryPackageSpec[]
function LuaRegistrySource:reload(specs)
self.buffer = _.assoc("specs", specs, self.buffer or {})
self.buffer.instances = _.compose(
_.index_by(_.prop "name"),
_.map(util.hydrate_package(self.buffer.instances or {}))
)(self:get_all_package_specs())
return self.buffer
end
function LuaRegistrySource:install()
return Result.try(function(try)
local index = try(Result.pcall(require, self.spec.mod))
---@type RegistryPackageSpec[]
local specs = {}
for _, mod in pairs(index) do
table.insert(specs, try(Result.pcall(require, mod)))
end
try(Result.pcall(self.reload, self, specs))
end)
end
---@return string[]
function LuaRegistrySource:get_all_package_names()
return _.map(_.prop "name", self:get_all_package_specs())
end
---@return RegistryPackageSpec[]
function LuaRegistrySource:get_all_package_specs()
return _.filter_map(util.map_registry_spec, self:get_buffer().specs)
end
function LuaRegistrySource:get_buffer()
return self.buffer or {
specs = {},
instances = {},
}
end
function LuaRegistrySource:is_installed()
return self.buffer ~= nil
end
function LuaRegistrySource:get_display_name()
if self:is_installed() then
return ("require(%q)"):format(self.spec.mod)
else
return ("require(%q) [uninstalled]"):format(self.spec.mod)
end
end
function LuaRegistrySource:__tostring()
return ("LuaRegistrySource(mod=%s)"):format(self.spec.mod)
end
return LuaRegistrySource
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