your-land/cmd_eval
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add dir convenience function to list table keys

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Useful to explore tables
This commit is contained in:
whosit 2025-03-25 00:11:08 +03:00
parent bf99ec97bc
commit b4c641bc57
1 changed files with 23 additions and 0 deletions
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23
init.lua
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@ -77,6 +77,7 @@ local function create_shared_environment(player_name)
{
my_name = player_name,
print = function(...)
-- print to chat, instead of console
local msg = '< '
for i = 1, select('#', ...) do
if i > 1 then msg = msg .. '\t' end
@ -84,6 +85,28 @@ local function create_shared_environment(player_name)
end
core.chat_send_player(player_name, msg)
end,
dir = function(t)
-- collect all keys of the table
if type(t) == "table" then
local keys = {}
for k, _ in pairs(t) do
local key = k
local t = type(key)
if t == "string" then
key = '"' .. key .. '"'
elseif t == "number" then
key = '[' .. key .. ']'
else
key = '[' .. tostring(key) .. ']'
end
table.insert(keys, key)
end
table.sort(keys)
core.chat_send_player(player_name, table.concat(keys, ',\n'))
else
core.chat_send_player(player_name, string.format("Not a table: %s", dump(t)))
end
end,
--global = _G, -- this works, but dumps whole global env if you just print `cmd_eval` value
_G = global_proxy, -- use our proxy to get warnings
global = global_proxy, -- just a different name for globals