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local files = require 'files'
local furi = require 'file-uri'
local config = require 'config'
local rpath = require 'workspace.require-path'
local client = require 'client'
local lang = require 'language'
local function findInsertOffset(uri)
local lines = files.getLines(uri)
local text = files.getText(uri)
local fmt = {
pair = false,
quot = '"',
col = nil,
}
for i = 1, #lines do
local ln = lines[i]
local lnText = text:sub(ln.start, ln.finish)
if not lnText:find('require', 1, true) then
return ln.start, fmt
else
local lpPos = lnText:find '%('
if lpPos then
fmt.pair = true
else
fmt.pair = false
end
local quot = lnText:match [=[(['"])]=]
fmt.quot = quot or fmt.quot
local eqPos = lnText:find '='
if eqPos then
fmt.col = eqPos
end
end
end
return 1, fmt
end
local function askAutoRequire(visiblePaths)
local selects = {}
local nameMap = {}
for _, visible in ipairs(visiblePaths) do
local expect = visible.expect
local select = lang.script(expect)
if not nameMap[select] then
nameMap[select] = expect
selects[#selects+1] = select
end
end
local disable = lang.script.COMPLETION_DISABLE_AUTO_REQUIRE
selects[#selects+1] = disable
local result = client.awaitRequestMessage('Info'
, lang.script.COMPLETION_ASK_AUTO_REQUIRE
, selects
)
if not result then
return
end
if result == disable then
client.setConfig {
{
key = 'Lua.completion.autoRequire',
action = 'set',
value = false,
}
}
return
end
return nameMap[result]
end
local function applyAutoRequire(uri, offset, name, result, fmt)
local quotedResult = ('%q'):format(result)
if fmt.quot == "'" then
quotedResult = ([['%s']]):format(quotedResult:sub(2, -2)
:gsub([[']], [[\']])
:gsub([[\"]], [["]])
)
end
if fmt.pair then
quotedResult = ('(%s)'):format(quotedResult)
else
quotedResult = (' %s'):format(quotedResult)
end
local sp = ' '
local text = ('local %s'):format(name)
if fmt.col and fmt.col > #text then
sp = (' '):rep(fmt.col - #text - 1)
end
text = ('\nlocal %s%s= require%s\n'):format(name, sp, quotedResult)
client.editText(uri, {
{
start = offset,
finish = offset - 1,
text = text,
}
})
end
return function (data)
local uri = data.uri
local target = data.target
local name = data.name
local state = files.getState(uri)
if not state then
return
end
local path = furi.decode(target)
local visiblePaths = rpath.getVisiblePath(path, config.get 'Lua.runtime.path')
if not visiblePaths or #visiblePaths == 0 then
return
end
table.sort(visiblePaths, function (a, b)
return #a.expect < #b.expect
end)
local result = askAutoRequire(visiblePaths)
if not result then
return
end
local offset, fmt = findInsertOffset(uri)
applyAutoRequire(uri, offset, name, result, fmt)
end
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