docs: add missing documentation

This commit is contained in:
Jake Hamilton 2024-06-03 17:03:28 -07:00
parent 9efc9da335
commit 39ea93b671
Signed by untrusted user: jakehamilton
GPG key ID: 9762169A1B35EA68
4 changed files with 217 additions and 64 deletions

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@ -1,9 +1,15 @@
lib: { lib: {
packages = { packages = {
# TODO: Document this. ## Check whether a value is a derivation. Note that this will also return true
## for "fake" derivations which are constructed by helpers such as
## `lib.paths.into.drv` for convenience.
##
## @type a -> Bool
isDerivation = value: value.type or null == "derivation"; isDerivation = value: value.type or null == "derivation";
# TODO: Document this. ## Sanitize a string to produce a valid name for a derivation.
##
## @type String -> String
sanitizeDerivationName = let sanitizeDerivationName = let
validate = builtins.match "[[:alnum:]+_?=-][[:alnum:]+._?=-]*"; validate = builtins.match "[[:alnum:]+_?=-][[:alnum:]+._?=-]*";
in in

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@ -1,7 +1,9 @@
lib: { lib: {
paths = { paths = {
into = { into = {
# TODO: Document this ## Convert a path into a derivation.
##
## @type Path -> Derivation
drv = value: let drv = value: let
path = builtins.storePath value; path = builtins.storePath value;
result = { result = {
@ -19,7 +21,9 @@ lib: {
}; };
validate = { validate = {
# TODO: Document this. ## Check whether a path is contained within the Nix store.
##
## @type Path -> Bool
store = value: store = value:
if lib.strings.stringifiable value if lib.strings.stringifiable value
then then

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@ -122,12 +122,22 @@ lib: {
|| value ? outPath || value ? outPath
|| value ? __toString; || value ? __toString;
# TODO: Document this. ## Check whether a string is empty. This includes strings that
## only contain whitespace.
##
## @type String -> Bool
empty = value: empty = value:
builtins.match "[ \t\n]*" value != null; builtins.match "[ \t\n]*" value != null;
}; };
## A table of ASCII characters mapped to their integer character code.
##
## @type Attrs
ascii = import ./ascii.nix; ascii = import ./ascii.nix;
## Lists of both upper and lower case ASCII characters.
##
## @type { upper :: List String, lower :: List String }
alphabet = import ./alphabet.nix; alphabet = import ./alphabet.nix;
## Concatenate a list of strings together. ## Concatenate a list of strings together.

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@ -8,14 +8,20 @@ lib: {
is = name: value: is = name: value:
value.__type__ or null == name; value.__type__ or null == name;
# TODO: Document this. ## Assign a type to an attribute set.
##
## @type String -> Attrs -> Attrs
set = name: value: set = name: value:
value value
// { // {
__type__ = name; __type__ = name;
}; };
# TODO: Document this. ## Create a default functor for a type. This handles merging of type values
## by referencing wrapped and payload values. See the types implemented below
## such as `lib.types.any` for examples.
##
## @type String -> Attrs
functor = name: { functor = name: {
inherit name; inherit name;
type = type =
@ -28,7 +34,9 @@ lib: {
merge = null; merge = null;
}; };
# TODO: Document this. ## Merge two types.
##
## @type Attrs -> Attrs -> Attrs
merge = f: g: let merge = f: g: let
wrapped = f.wrapped.mergeType g.wrapped.functor; wrapped = f.wrapped.mergeType g.wrapped.functor;
payload = f.merge f.payload g.payload; payload = f.merge f.payload g.payload;
@ -43,7 +51,9 @@ lib: {
then f.type payload then f.type payload
else null; else null;
# TODO: Document this. ## Create a new type.
##
## @type Attrs -> Attrs
create = settings @ { create = settings @ {
name, name,
description ? name, description ? name,
@ -73,14 +83,18 @@ lib: {
; ;
}; };
# TODO: Document this. ## Add a check to a type.
##
## @type Attrs -> (Any -> Bool) -> Attrs
withCheck = type: check: withCheck = type: check:
type type
// { // {
check = value: type.check value && check value; check = value: type.check value && check value;
}; };
# TODO: Document this. ## A type that allows any value and will only use a single definition.
##
## @type Attrs
raw = lib.types.create { raw = lib.types.create {
name = "Raw"; name = "Raw";
description = "raw value"; description = "raw value";
@ -88,7 +102,10 @@ lib: {
merge = lib.options.merge.one; merge = lib.options.merge.one;
}; };
# TODO: Document this. ## A type that allows any value and will merge the definitions depending on
## their data type.
##
## @type Attrs
any = lib.types.create { any = lib.types.create {
name = "Any"; name = "Any";
description = "any"; description = "any";
@ -148,13 +165,18 @@ lib: {
merge location definitions; merge location definitions;
}; };
# TODO: Document this. ## A fallback type that is used when a type is not specified for an option.
##
## @type Attrs
unspecified = lib.types.create { unspecified = lib.types.create {
name = "Unspecified"; name = "Unspecified";
description = "unspecified type"; description = "unspecified type";
}; };
# TODO: Document this. ## A type that allows a boolean value. The merged definitions must all be
## the same.
##
## @type Attrs
bool = lib.types.create { bool = lib.types.create {
name = "Bool"; name = "Bool";
description = "boolean"; description = "boolean";
@ -162,7 +184,10 @@ lib: {
merge = lib.options.merge.equal; merge = lib.options.merge.equal;
}; };
# TODO: Document this. ## A type that allows an integer value. The merged definitions must all be
## the same.
##
## @type Attrs
int = lib.types.create { int = lib.types.create {
name = "Int"; name = "Int";
description = "signed integer"; description = "signed integer";
@ -172,7 +197,9 @@ lib: {
ints = let ints = let
description = start: end: "${builtins.toString start} and ${builtins.toString end} (inclusive)"; description = start: end: "${builtins.toString start} and ${builtins.toString end} (inclusive)";
# TODO: Document this. ## Create a type that allows an integer value between a given range.
##
## @type Int -> Int -> Attrs
between = start: end: between = start: end:
assert lib.errors.trace (start <= end) "lib.types.ints.between start must be less than or equal to end"; assert lib.errors.trace (start <= end) "lib.types.ints.between start must be less than or equal to end";
lib.types.withCheck lib.types.withCheck
@ -183,7 +210,10 @@ lib: {
description = "integer between ${description start end}"; description = "integer between ${description start end}";
}; };
# TODO: Document this. ## Create a type that allows an integer value between a given range with a specific
## number of bits.
##
## @type Int -> Int -> Attrs
sign = bits: range: let sign = bits: range: let
start = 0 - (range / 2); start = 0 - (range / 2);
end = range / 2 - 1; end = range / 2 - 1;
@ -194,7 +224,10 @@ lib: {
description = "${builtins.toString bits} bit signed integer between ${description start end}"; description = "${builtins.toString bits} bit signed integer between ${description start end}";
}; };
# TODO: Document this. ## Create a type that allows an unsigned integer value between a given range with a specific
## number of bits.
##
## @type Int -> Int -> Attrs
unsign = bits: range: let unsign = bits: range: let
start = 0; start = 0;
end = range - 1; end = range - 1;
@ -205,10 +238,11 @@ lib: {
description = "${builtins.toString bits} bit unsigned integer between ${description start end}"; description = "${builtins.toString bits} bit unsigned integer between ${description start end}";
}; };
in { in {
# TODO: Document this.
inherit between; inherit between;
# TODO: Document this. ## A type that allows a positive integer value.
##
## @type Attrs
positive = positive =
lib.types.withCheck lib.types.withCheck
lib.types.int lib.types.int
@ -218,7 +252,9 @@ lib: {
description = "positive integer"; description = "positive integer";
}; };
# TODO: Document this. ## A type that allows a positive integer value or zero.
##
## @type Attrs
unsigned = unsigned =
lib.types.withCheck lib.types.withCheck
lib.types.int lib.types.int
@ -228,23 +264,43 @@ lib: {
description = "unsigned integer"; description = "unsigned integer";
}; };
# TODO: Document this. ## A type that allows an 8bit unsigned integer.
##
## @type Attrs
u8 = unsign 8 256; u8 = unsign 8 256;
# TODO: Document this.
## A type that allows a 16bit unsigned integer.
##
## @type Attrs
u16 = unsign 16 65536; u16 = unsign 16 65536;
# TODO: Document this.
## A type that allows a 32bit unsigned integer.
##
## @type Attrs
u32 = unsign 32 4294967296; u32 = unsign 32 4294967296;
# u64 = unsign 64 18446744073709551616; # u64 = unsign 64 18446744073709551616;
# TODO: Document this. ## A type that allows an 8bit signed integer.
##
## @type Attrs
s8 = sign 8 256; s8 = sign 8 256;
# TODO: Document this.
## A type that allows a 16bit signed integer.
##
## @type Attrs
s16 = sign 16 65536; s16 = sign 16 65536;
# TODO: Document this.
## A type that allows a 32bit signed integer.
##
## @type Attrs
s32 = sign 32 4294967296; s32 = sign 32 4294967296;
}; };
# TODO: Document this. ## A type that allows a floating point value. The merged definitions must all be
## the same.
##
## @type Attrs
float = lib.types.create { float = lib.types.create {
name = "Float"; name = "Float";
description = "floating point number"; description = "floating point number";
@ -252,13 +308,16 @@ lib: {
merge = lib.options.merge.equal; merge = lib.options.merge.equal;
}; };
# TODO: Document this. ## A type that allows a number value. This can be either an integer or a float.
##
## @type Attrs
number = lib.types.either lib.types.int lib.types.float; number = lib.types.either lib.types.int lib.types.float;
# TODO: Document this.
numbers = let numbers = let
description = start: end: "${builtins.toString start} and ${builtins.toString end} (inclusive)"; description = start: end: "${builtins.toString start} and ${builtins.toString end} (inclusive)";
# TODO: Document this. ## Create a type that allows a number value between a given range.
##
## @type Int -> Int -> Attrs
between = start: end: between = start: end:
assert lib.errors.trace (start <= end) "lib.types.numbers.between start must be less than or equal to end"; assert lib.errors.trace (start <= end) "lib.types.numbers.between start must be less than or equal to end";
lib.types.withCheck lib.types.withCheck
@ -269,10 +328,11 @@ lib: {
description = "numbereger between ${description start end}"; description = "numbereger between ${description start end}";
}; };
in { in {
# TODO: Document this.
inherit between; inherit between;
# TODO: Document this. ## A type that allows a positive number value.
##
## @type Attrs
positive = positive =
lib.types.withCheck lib.types.withCheck
lib.types.int lib.types.int
@ -282,7 +342,9 @@ lib: {
description = "positive number"; description = "positive number";
}; };
# TODO: Document this. ## A type that allows a positive number value or zero.
##
## @type Attrs
positiveOrZero = positiveOrZero =
lib.types.withCheck lib.types.withCheck
lib.types.int lib.types.int
@ -293,10 +355,15 @@ lib: {
}; };
}; };
# TODO: Document this. ## A type that allows a port value. This values an unsigned 16bit integer.
##
## @type Attrs
port = lib.types.ints.u16; port = lib.types.ints.u16;
# TODO: Document this. ## A type that allows a string value. The merged definitions must all be
## the same.
##
## @type Attrs
string = lib.types.create { string = lib.types.create {
name = "String"; name = "String";
description = "string"; description = "string";
@ -305,7 +372,10 @@ lib: {
}; };
strings = { strings = {
# TODO: Document this. ## A type that allows a non-empty string value. The merged definitions must all be
## the same.
##
## @type Attrs
required = lib.types.create { required = lib.types.create {
name = "StringNonEmpty"; name = "StringNonEmpty";
description = "non-empty string"; description = "non-empty string";
@ -313,7 +383,10 @@ lib: {
merge = lib.options.merge.equal; merge = lib.options.merge.equal;
}; };
# TODO: Document this. ## Create a type that allows a string value that matches a given pattern. The merged
## definitions must all be the same.
##
## @type String -> Attrs
matching = pattern: matching = pattern:
lib.types.create { lib.types.create {
name = "StringMatching ${pattern}"; name = "StringMatching ${pattern}";
@ -322,7 +395,10 @@ lib: {
merge = lib.options.merge.equal; merge = lib.options.merge.equal;
}; };
# TODO: Document this. ## Create a type that allows a string value joined by a separator. The merged
## definitions must all be the same.
##
## @type String -> Attrs
concat = separator: concat = separator:
lib.types.create { lib.types.create {
name = "StringConcat"; name = "StringConcat";
@ -346,7 +422,10 @@ lib: {
}; };
}; };
# TODO: Document this. ## A type that allows a string value that is a single line with an optional new line
## at the end.
##
## @type Attrs
line = let line = let
matcher = lib.types.strings.matching "[^\n\r]*\n?"; matcher = lib.types.strings.matching "[^\n\r]*\n?";
in in
@ -360,12 +439,17 @@ lib: {
(matcher.merge location definitions); (matcher.merge location definitions);
}; };
# TODO: Document this. ## A type that allows a string value joined by new lines.
##
## @type Attrs
lines = lib.types.strings.concat "\n"; lines = lib.types.strings.concat "\n";
}; };
attrs = { attrs = {
# TODO: Document this. ## A type that allows an attribute set containing any type of value. The merged
## definitions must all be.
##
## @type Attrs
any = lib.types.create { any = lib.types.create {
name = "Attrs"; name = "Attrs";
description = "attribute set"; description = "attribute set";
@ -378,7 +462,9 @@ lib: {
definitions; definitions;
}; };
# TODO: Document this. ## Create a type that allows an attribute set containing a specific type of value.
##
## @type Attrs -> Attrs
of = type: of = type:
lib.types.create { lib.types.create {
name = "AttrsOf"; name = "AttrsOf";
@ -411,7 +497,11 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that allows an attribute set containing a specific type of value.
## However, unlike `lib.types.attrs.of` this variant is lazily evaluated and does
## not support certain properties like `lib.modules.when`.
##
## @type Attrs -> Attrs
lazy = type: lazy = type:
lib.types.create { lib.types.create {
name = "LazyAttrsOf"; name = "LazyAttrsOf";
@ -443,7 +533,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## A type that allows a package (derivation or store path).
##
## @type Attrs
package = lib.types.create { package = lib.types.create {
name = "Package"; name = "Package";
description = "package"; description = "package";
@ -457,7 +549,10 @@ lib: {
}; };
packages = { packages = {
# TODO: Document this. ## A type that allows a shell package. This is a package with an accompanying
## `shellPath` attribute.
##
## @type Attrs
shell = shell =
lib.types.package lib.types.package
// { // {
@ -465,7 +560,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## A type that allows a path value. The merged definitions must all be the same.
##
## @type Attrs
path = lib.types.create { path = lib.types.create {
name = "Path"; name = "Path";
description = "path"; description = "path";
@ -476,10 +573,14 @@ lib: {
}; };
list = { list = {
# TODO: Document this. ## A type that allows a list containing any value.
##
## @type Attrs
any = lib.types.list.of lib.types.any; any = lib.types.list.of lib.types.any;
# TODO: Document this. ## Create a type that allows a list containing a specific type of value.
##
## @type Attrs -> Attrs
of = type: of = type:
lib.types.create { lib.types.create {
name = "ListOf"; name = "ListOf";
@ -522,7 +623,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## A type that allows a non-empty list containing a specific type of value.
##
## @type Attrs -> Attrs
required = type: required = type:
lib.types.withCheck lib.types.withCheck
(lib.types.list.of type) (lib.types.list.of type)
@ -533,7 +636,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that must be a unique value.
##
## @type String -> Attrs -> Attrs
unique = message: type: unique = message: type:
lib.types.create { lib.types.create {
name = "Unique"; name = "Unique";
@ -550,8 +655,10 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that must be a single value. Unlike `lib.types.unique`, this type
# Like unique, but does not merge. ## does not merge the definitions.
##
## @type Attrs -> Attrs
single = type: single = type:
lib.types.create { lib.types.create {
name = "Single"; name = "Single";
@ -568,7 +675,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that may be either a given type or null.
##
## @type Attrs -> Attrs
nullish = type: nullish = type:
lib.types.create { lib.types.create {
name = "Nullish"; name = "Nullish";
@ -595,7 +704,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that allows a function which returns a given type.
##
## @type Attrs -> Attrs
function = type: function = type:
lib.types.create { lib.types.create {
name = "Function"; name = "Function";
@ -619,14 +730,20 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a submodule from a list of modules (or a module directly).
##
## @type (Module | (List Module)) -> Attrs
submodule = modules: submodule = modules:
lib.types.submodules.of { lib.types.submodules.of {
modules = lib.lists.from.any modules; modules = lib.lists.from.any modules;
}; };
submodules = { submodules = {
# TODO: Document this. ## Create a type from a list of submodules. This is particularly useful for use
## with helpers like `lib.types.attrs.of` in order to produce more complex,
## dynamic types.
##
## @type { modules :: List Module, args? :: Attrs, description? :: String | Null } -> Attrs
of = settings @ { of = settings @ {
modules, modules,
args ? {}, args ? {},
@ -719,12 +836,17 @@ lib: {
}; };
deferred = { deferred = {
# TODO: Document this. ## A module that is imported in another part of the configuration.
##
## @type Attrs
default = lib.types.deferred.of { default = lib.types.deferred.of {
modules = []; modules = [];
}; };
# TODO: Document this. ## Create a submodule type from a list of modules which will be imported in
## another part of the configuration.
##
## @type { modules :: List Module } -> Attrs
of = settings @ {modules}: let of = settings @ {modules}: let
submodule = lib.types.submodule modules; submodule = lib.types.submodule modules;
in in
@ -760,7 +882,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that allows an Option.
##
## @type Attrs
option = lib.types.create { option = lib.types.create {
name = "Option"; name = "Option";
description = "option"; description = "option";
@ -782,7 +906,9 @@ lib: {
else merged.type; else merged.type;
}; };
# TODO: Document this. ## Create a type that allows a specific primitive value from a given list.
##
## @type List Any -> Attrs
enum = values: let enum = values: let
serialize = value: serialize = value:
if builtins.isString value if builtins.isString value
@ -811,7 +937,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that allows either of two types.
##
## @type Attrs -> Attrs -> Attrs
either = left: right: let either = left: right: let
name = "Either"; name = "Either";
functor = functor =
@ -846,7 +974,9 @@ lib: {
}; };
}; };
# TODO: Document this. ## Create a type that allows a value of one of the given types.
##
## @type List Attrs -> Attrs
one = types: let one = types: let
first = builtins.elemAt types 0; first = builtins.elemAt types 0;
rest = lib.lists.tail types; rest = lib.lists.tail types;
@ -855,7 +985,10 @@ lib: {
then builtins.throw "lib.types.one must be given at least one type" then builtins.throw "lib.types.one must be given at least one type"
else builtins.foldl' lib.types.either first rest; else builtins.foldl' lib.types.either first rest;
# TODO: Document this. ## Create a type that allows a value which is either the final type or is transformable
## to the final type.
##
## @type Attrs -> (Any -> Any) -> Attrs -> Attrs
coerce = initial: transform: final: let coerce = initial: transform: final: let
in in
if initial.getSubModules != null if initial.getSubModules != null