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GeezerVison is showing github.com — lua-types/core/os.d.ts at master · TypeScriptToLua/lua-types

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// Based on https://www.lua.org/manual/5.3/manual.html#6.9
/** @noSelfInFile */
interface LuaDateInfo {
year: number;
month: number;
day: number;
hour?: number;
min?: number;
sec?: number;
isdst?: boolean;
}
interface LuaDateInfoResult {
year: number;
month: number;
day: number;
hour: number;
min: number;
sec: number;
isdst: boolean;
yday: number;
wday: number;
}
/**
* Operating System Facilities
*/
declare namespace os {
/**
* Returns an approximation of the amount in seconds of CPU time used by the
* program.
*/
function clock(): number;
/**
* Returns a string or a table containing date and time, formatted according
* to the given string format.
*
* If the time argument is present, this is the time to be formatted (see the
* os.time function for a description of this value). Otherwise, date formats
* the current time.
*
* If format starts with '!', then the date is formatted in Coordinated
* Universal Time. After this optional character, if format is the string
* "*t", then date returns a table with the following fields: year, month
* (1–12), day (1–31), hour (0–23), min (0–59), sec (0–61), wday (weekday,
* 1–7, Sunday is 1), yday (day of the year, 1–366), and isdst (daylight
* saving flag, a boolean). This last field may be absent if the information
* is not available.
*
* If format is not "*t", then date returns the date as a string, formatted
* according to the same rules as the ISO C function strftime.
*
* When called without arguments, date returns a reasonable date and time
* representation that depends on the host system and on the current locale.
* (More specifically, os.date() is equivalent to os.date("%c").)
*
* On non-POSIX systems, this function may be not thread safe because of its
* reliance on C function gmtime and C function localtime.
*/
function date(format?: string, time?: number): string;
/**
* Returns a string or a table containing date and time, formatted according
* to the given string format.
*
* If the time argument is present, this is the time to be formatted (see the
* os.time function for a description of this value). Otherwise, date formats
* the current time.
*
* If format starts with '!', then the date is formatted in Coordinated
* Universal Time. After this optional character, if format is the string
* "*t", then date returns a table with the following fields: year, month
* (1–12), day (1–31), hour (0–23), min (0–59), sec (0–61), wday (weekday,
* 1–7, Sunday is 1), yday (day of the year, 1–366), and isdst (daylight
* saving flag, a boolean). This last field may be absent if the information
* is not available.
*
* If format is not "*t", then date returns the date as a string, formatted
* according to the same rules as the ISO C function strftime.
*
* When called without arguments, date returns a reasonable date and time
* representation that depends on the host system and on the current locale.
* (More specifically, os.date() is equivalent to os.date("%c").)
*
* On non-POSIX systems, this function may be not thread safe because of its
* reliance on C function gmtime and C function localtime.
*/
function date(format: '*t', time?: number): LuaDateInfoResult;
/**
* Returns the difference, in seconds, from time t1 to time t2 (where the
* times are values returned by os.time). In POSIX, Windows, and some other
* systems, this value is exactly t2-t1.
*/
function difftime(t1: number, t2: number): number;
/**
* Returns the value of the process environment variable varname, or nil if
* the variable is not defined.
*/
function getenv(varname: string): string | undefined;
/**
* Deletes the file (or empty directory, on POSIX systems) with the given
* name. If this function fails, it returns nil, plus a string describing the
* error and the error code. Otherwise, it returns true.
*/
function remove(filename: string): LuaMultiReturn<[true] | [undefined, string]>;
/**
* Renames the file or directory named oldname to newname. If this function
* fails, it returns nil, plus a string describing the error and the error
* code. Otherwise, it returns true.
*/
function rename(oldname: string, newname: string): LuaMultiReturn<[true] | [undefined, string]>;
/**
* Sets the current locale of the program. locale is a system-dependent string
* specifying a locale; category is an optional string describing which
* category to change: "all", "collate", "ctype", "monetary", "numeric", or
* "time"; the default category is "all". The function returns the name of the
* new locale, or nil if the request cannot be honored.
*
* If locale is the empty string, the current locale is set to an
* implementation-defined native locale. If locale is the string "C", the
* current locale is set to the standard C locale.
*
* When called with nil as the first argument, this function only returns the
* name of the current locale for the given category.
*
* This function may be not thread safe because of its reliance on C function
* setlocale.
*/
function setlocale(
locale?: string,
category?: 'all' | 'collate' | 'ctype' | 'monetary' | 'numeric' | 'time'
): string | undefined;
/**
* Returns the current time when called without arguments, or a time
* representing the local date and time specified by the given table. This
* table must have fields year, month, and day, and may have fields hour
* (default is 12), min (default is 0), sec (default is 0), and isdst (default
* is nil). Other fields are ignored. For a description of these fields, see
* the os.date function.
*
* The values in these fields do not need to be inside their valid ranges. For
* instance, if sec is -10, it means -10 seconds from the time specified by
* the other fields; if hour is 1000, it means +1000 hours from the time
* specified by the other fields.
*
* The returned value is a number, whose meaning depends on your system. In
* POSIX, Windows, and some other systems, this number counts the number of
* seconds since some given start time (the "epoch"). In other systems, the
* meaning is not specified, and the number returned by time can be used only
* as an argument to os.date and os.difftime.
*/
function time(): number;
/**
* Returns the current time when called without arguments, or a time
* representing the local date and time specified by the given table. This
* table must have fields year, month, and day, and may have fields hour
* (default is 12), min (default is 0), sec (default is 0), and isdst (default
* is nil). Other fields are ignored. For a description of these fields, see
* the os.date function.
*
* The values in these fields do not need to be inside their valid ranges. For
* instance, if sec is -10, it means -10 seconds from the time specified by
* the other fields; if hour is 1000, it means +1000 hours from the time
* specified by the other fields.
*
* The returned value is a number, whose meaning depends on your system. In
* POSIX, Windows, and some other systems, this number counts the number of
* seconds since some given start time (the "epoch"). In other systems, the
* meaning is not specified, and the number returned by time can be used only
* as an argument to os.date and os.difftime.
*/
function time(table: LuaDateInfo): number;
/**
* Returns a string with a file name that can be used for a temporary file.
* The file must be explicitly opened before its use and explicitly removed
* when no longer needed.
*
* On POSIX systems, this function also creates a file with that name, to
* avoid security risks. (Someone else might create the file with wrong
* permissions in the time between getting the name and creating the file.)
* You still have to open the file to use it and to remove it (even if you do
* not use it).
*
* When possible, you may prefer to use io.tmpfile, which automatically
* removes the file when the program ends.
*/
function tmpname(): string;
}
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