a58712bf16
* style: fix StyLua glob pattern * style: fix style with StyLua run './utils/stylua --config-path stylua.toml --glob 'lua/**/*.lua' -- lua'
57 lines
1.0 KiB
Lua
57 lines
1.0 KiB
Lua
---@class cmp.Cache
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---@field public entries any
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local cache = {}
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cache.new = function()
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local self = setmetatable({}, { __index = cache })
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self.entries = {}
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return self
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end
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---Get cache value
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---@param key string
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---@return any|nil
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cache.get = function(self, key)
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key = self:key(key)
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if self.entries[key] ~= nil then
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return unpack(self.entries[key])
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end
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return nil
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end
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---Set cache value explicitly
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---@param key string
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---@vararg any
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cache.set = function(self, key, ...)
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key = self:key(key)
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self.entries[key] = { ... }
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end
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---Ensure value by callback
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---@param key string
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---@param callback fun(): any
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cache.ensure = function(self, key, callback)
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local value = self:get(key)
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if value == nil then
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self:set(key, callback())
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end
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return self:get(key)
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end
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---Clear all cache entries
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cache.clear = function(self)
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self.entries = {}
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end
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---Create key
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---@param key string|table
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---@return string
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cache.key = function(_, key)
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if type(key) == 'table' then
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return table.concat(key, ':')
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end
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return key
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end
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return cache
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