From e872fbfb5ea795568017dd97db8fffc827d89da3 Mon Sep 17 00:00:00 2001 From: Vsevolod Stakhov Date: Tue, 16 Jul 2019 20:02:45 +0100 Subject: [PATCH] [Minor] Selectors: Add append/prepend transforms --- lualib/lua_selectors.lua | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/lualib/lua_selectors.lua b/lualib/lua_selectors.lua index 3bc7b9d75..a55d0742b 100644 --- a/lualib/lua_selectors.lua +++ b/lualib/lua_selectors.lua @@ -494,6 +494,32 @@ the second argument is optional hash type (`blake2`, `sha256`, `sha1`, `sha512`, ['args_schema'] = {(ts.number + ts.string / tonumber):is_optional(), (ts.number + ts.string / tonumber):is_optional()} }, + -- Prepends a string or a strings list + ['prepend'] = { + ['types'] = { + ['string'] = true + }, + ['map_type'] = 'string', + ['process'] = function(inp, _, args) + local prepend = table.concat(args, '') + + return prepend .. inp, 'string' + end, + ['description'] = 'Prepends a string or a strings list', + }, + -- Appends a string or a strings list + ['append'] = { + ['types'] = { + ['string'] = true + }, + ['map_type'] = 'string', + ['process'] = function(inp, _, args) + local append = table.concat(args, '') + + return inp .. append, 'string' + end, + ['description'] = 'Appends a string or a strings list', + }, -- Regexp matching ['regexp'] = { ['types'] = { -- 2.39.5