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local guide = require 'parser.guide'
local infer = require 'core.infer'
local function optionalArg(arg)
if not arg.bindDocs then
return false
end
local name = arg[1]
for _, doc in ipairs(arg.bindDocs) do
if doc.type == 'doc.param' and doc.param[1] == name then
return doc.optional
end
end
end
local function asFunction(source)
local args = {}
local methodDef
local parent = source.parent
if parent and parent.type == 'setmethod' then
methodDef = true
end
if methodDef then
args[#args+1] = ('self: %s'):format(infer.searchAndViewInfers(parent.node))
end
if source.args then
for i = 1, #source.args do
local arg = source.args[i]
if arg.dummy then
goto CONTINUE
end
local name = arg.name or guide.getKeyName(arg)
if name then
args[#args+1] = ('%s%s: %s'):format(
name,
optionalArg(arg) and '?' or '',
infer.searchAndViewInfers(arg)
)
elseif arg.type == '...' then
args[#args+1] = ('%s: %s'):format(
'...',
infer.searchAndViewInfers(arg)
)
else
args[#args+1] = ('%s'):format(infer.searchAndViewInfers(arg))
end
::CONTINUE::
end
end
return args
end
local function asDocFunction(source)
if not source.args then
return ''
end
local args = {}
for i = 1, #source.args do
local arg = source.args[i]
local name = arg.name[1]
args[i] = ('%s%s: %s'):format(
name,
arg.optional and '?' or '',
arg.extends and infer.searchAndViewInfers(arg.extends) or 'any'
)
end
return args
end
return function (source)
if source.type == 'function' then
return asFunction(source)
end
if source.type == 'doc.type.function' then
return asDocFunction(source)
end
return {}
end
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