70 lines
1.4 KiB
Lua
70 lines
1.4 KiB
Lua
local hooks, overrides, M = {}, {}, {};
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local allowed_hooks = {
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"install_plugins",
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"setup_mappings",
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"ready",
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}
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local function has_value (tab, val)
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for _, value in ipairs(tab) do
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if value == val then
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return true
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end
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end
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return false
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end
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M.add = function(name, fn)
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if not(has_value(allowed_hooks, name)) then
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error("Custom lua uses unallowed hook " .. name)
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end
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if hooks[name] == nil then
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hooks[name] = {}
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end
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table.insert(hooks[name], fn);
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end
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M.run = function(name, args)
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if hooks[name] == nil then
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return;
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end
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for _, hook in pairs(hooks[name]) do
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hook(args)
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end
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end
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M.createOverrides = function(module)
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local O = {};
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O.get = function(name, default)
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local current = default;
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if overrides[module] and overrides[module][name] then
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if type(overrides[module][name]) == "function" then
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current = overrides[module][name]
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elseif type(overrides[module][name]) == "table" then
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for _, override in pairs(overrides[module][name]) do
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current = override(current)
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end
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end
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end
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return current;
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end
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return O;
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end
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M.override = function(module, name, overwrite)
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if overrides[module] == nil then
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overrides[module] = {};
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end
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if overrides[module][name] == nil then
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overrides[module][name] = {};
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end
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table.insert(overrides[module][name], overwrite)
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end
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return M;
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