--[[
	* Copyright (c) Roblox Corporation. All rights reserved.
	* Licensed under the MIT License (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	*     https://opensource.org/licenses/MIT
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
]]
--!strict
local function startsWith(value: string, substring: string, position: number?): boolean
	if string.len(substring) == 0 then
		return true
	end
	-- Luau FIXME: we have to use a tmp variable, as Luau doesn't understand the logic below narrow position to `number`
	local position_
	if position == nil or position < 1 then
		position_ = 1
	else
		position_ = position
	end

	if position_ > string.len(value) then
		return false
	end
	return value:find(substring, position_, true) == position_
end

return startsWith
