Reformats your Lua source code.
Editor support
Install
LuaRocks
Requirements
- c++ 17 compiler
- luarocks 3.3.0+
The easiest way to install is to use LuaRocks.
luarocks install --server=https://luarocks.org/dev luaformatter
Build from source
Requirements
- cmake 3.9+
- c++ 17 compiler
Steps
git clone --recurse-submodules https://github.com/Koihik/LuaFormatter.git
cd LuaFormatter
cmake .
make
make install
Usage
./lua-format [Lua scripts...] {OPTIONS}
Reformats your Lua source code.
OPTIONS:
-h, --help Display this help menu
-v, --verbose Turn on verbose mode
-i Reformats in-place
--dump-config Dumps the default style used to stdout
-c[file], --config=[file] Style config file
--column-limit=[column limit] Column limit of one line
--indent-width=[indentation
width] Number of spaces used for indentation
--tab-width=[tab width] Number of spaces used per tab
--continuation-indent-width=[Continuation
indentation width] Indent width for continuations line
--spaces-before-call=[spaces
before call] Space on function calls
--column-table-limit=[column
table limit] Column limit of each line of a table
--table-sep=[table separator] Character to separate table fields
--use-tab Use tab for indentation
--no-use-tab Do not use tab for indentation
--keep-simple-control-block-one-line
keep block in one line
--no-keep-simple-control-block-one-line
Do not keep block in one line
--keep-simple-function-one-line keep function in one line
--no-keep-simple-function-one-line
Do not keep function in one line
--align-args Align the arguments
--no-align-args Do not align the arguments
--break-after-functioncall-lp Break after '(' of function call
--no-break-after-functioncall-lp Do not break after '(' of function call
--break-before-functioncall-rp Break before ')' of function call
--no-break-before-functioncall-rp Do not break before ')' of function call
--align-parameter Align the parameters
--no-align-parameter Do not align the parameters
--chop-down-parameter Chop down all parameters
--no-chop-down-parameter Do not chop down all parameters
--break-after-functiondef-lp Break after '(' of function def
--no-break-after-functiondef-lp Do not break after '(' of function def
--break-before-functiondef-rp Break before ')' of function def
--no-break-before-functiondef-rp Do not break before ')' of function def
--align-table-field Align fields of table
--no-align-table-field Do not align fields of table
--break-after-table-lb Break after '{' of table
--no-break-after-table-lb Do not break after '{' of table
--break-before-table-rb Break before '}' of table
--no-break-before-table-rb Do not break before '}' of table
--chop-down-table Chop down any table
--no-chop-down-table Do not chop down any table
--chop-down-kv-table Chop down table if table contains key
--no-chop-down-kv-table Do not chop down table if table contains
key
--extra-sep-at-table-end Add extra field separator at end of
table
--no-extra-sep-at-table-end Do not add extra field separator at end
of table
--break-after-operator Put break after operators
--no-break-after-operator Do not put break after operators
--double-quote-to-single-quote Transform string literals to use single
quote
--no-double-quote-to-single-quote Do not transform string literals to use
single quote
--single-quote-to-double-quote Transform string literals to use double
quote
--no-single-quote-to-double-quote Do not transform string literals to use
double quote
--spaces-inside-functiondef-parens
Put spaces on the inside of parens in
function headers
--no-spaces-inside-functiondef-parens
Do not put spaces on the inside of
parens in function headers
--spaces-inside-functioncall-parens
Put spaces on the inside of parens in
function calls
--no-spaces-inside-functioncall-parens
Do not put spaces on the inside of
parens in function calls
--spaces-inside-table-braces Put spaces on the inside of braces in
table constructors
--no-spaces-inside-table-braces Do not put spaces on the inside of
braces in table constructors
--spaces-around-equals-in-field Put spaces around the equal sign in
key/value fields
--no-spaces-around-equals-in-field
Do not put spaces around the equal sign
in key/value fields
--line-breaks-after-function-body
Line breakes after function body
--line-separator=[line separator] input(determined by the input content),
os(Use line ending of the current
Operating system), lf(Unix style "\n"),
crlf(Windows style "\r\n"), cr(classic
Max style "\r")
Lua scripts... Lua scripts to format
"--" can be used to terminate flag options and force all following
arguments to be treated as positional options
The program will attempt to automatically use the current directory’s .lua-format file if no config file is passed in the command line. If none is found, it will try to locate a .lua-format file in a parent directory recursively. On Linux it will use $XDG_CONFIG_HOME/luaformatter/config.yaml if .lua-format does not exist.
In case there’s no file, it will fallback to the default configuration.
The program will give the top priority to the configuration values given in the command-line, then to the configuration files and finally to the hard-coded default values.
Configuration parameters not specified fallback to their default values.
See this file
Default configuration
column_limit: 80
indent_width: 4
use_tab: false
tab_width: 4
continuation_indent_width: 4
spaces_before_call: 1
keep_simple_control_block_one_line: true
keep_simple_function_one_line: true
align_args: true
break_after_functioncall_lp: false
break_before_functioncall_rp: false
spaces_inside_functioncall_parens: false
spaces_inside_functiondef_parens: false
align_parameter: true
chop_down_parameter: false
break_after_functiondef_lp: false
break_before_functiondef_rp: false
align_table_field: true
break_after_table_lb: true
break_before_table_rb: true
chop_down_table: false
chop_down_kv_table: true
table_sep: ","
column_table_limit: 0
extra_sep_at_table_end: false
spaces_inside_table_braces: false
break_after_operator: true
double_quote_to_single_quote: false
single_quote_to_double_quote: false
spaces_around_equals_in_field: true
line_breaks_after_function_body: 1
line_separator: input
Sometimes it may be useful to disable automatic formatting. This is done be putting the code between LuaFormatter off and LuaFormatter on tags:
-- LuaFormatter off
matrix = {
{1, 0, 0, 0},
{1, 1, 0, 0},
{1, 1, 1, 0},
{1, 1, 1, 1}
}
-- LuaFormatter on
Limitations
- Do not work when source file contains syntax error
- Do not support ‘Format selection’
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