{ config, options, lib, pkgs, ... }:
let
inherit (lib)
mkOption
types
;
cfg = config;
in
{
options.pages = mkOption {
description = ''
Collection of pages on the site
'';
type = with types; attrsOf (submodule ({ name, config, ... }:
{
options = {
title = mkOption {
type = types.str;
};
locations = mkOption {
description = ''
List of historic output locations for the resulting file
The first element is the canonical location.
All other elements are used to create redirects to the canonical location.
'';
type = with types; nonEmptyListOf str;
};
outPath = mkOption {
description = ''
Canonical location of the page
'';
type = types.str;
default = lib.head config.locations;
};
description = mkOption {
description = ''
One-sentence description of page contents
'';
type = types.str;
};
summary = mkOption {
description = ''
One-paragraph summary of page contents
'';
type = types.str;
};
body = mkOption {
description = ''
Page contents in CommonMark
'';
type = types.str;
};
template = mkOption
{
description = ''
Function that converts the page contents to files
'';
type = with types; functionTo (functionTo (functionTo options.files.type));
default = cfg.templates.default;
};
};
}));
};
options.templates = mkOption {
description = ''
Collection of named functions to convert page contents to files
'';
type = with types; attrsOf (functionTo (functionTo (functionTo options.files.type)));
};
config.templates.default =
let
commonmark = name: markdown: pkgs.runCommand "${name}.html"
{
buildInputs = [ pkgs.cmark ];
} ''
cmark ${builtins.toFile "${name}.md" markdown} > $out
'';
in
lib.mkDefault
(config: name: page: {
# TODO: create static redirects from the tail
${lib.head page.locations} = builtins.toFile "${name}.html" ''
${page.title}
${builtins.readFile (commonmark name page.body)}
'';
});
options.files = mkOption {
description = ''
Files that make up the site, mapping from output path to contents
By default, all elements in `option`{pages} are converted to files using their template or the default template.
Add more files to the output by assigning to this attribute set.
'';
type = with types; attrsOf path;
};
config.files = lib.concatMapAttrs
(name: page: page.template config name page)
config.pages;
options.build = mkOption {
description = ''
The final output of the web site
'';
type = types.package;
default =
let
script = ''
mkdir $out
'' + lib.concatStringsSep "\n" copy;
copy = lib.mapAttrsToList
(
path: file: ''
mkdir -p $out/$(dirname ${path})
cp -r ${file} $out/${path}
''
)
config.files;
in
pkgs.runCommand "source" { } script;
};
}