authentik/website/remark/version-directive.ts

76 lines
2.0 KiB
TypeScript

import "mdast-util-to-hast";
import "mdast-util-directive";
import { h } from "hastscript";
import { Root } from "mdast";
import { visit, SKIP } from "unist-util-visit";
import { coerce } from "semver";
/**
* MDAST plugin to transform `ak-version` directives into version badges.
*
* Given a heading like:
*
* ```md
* # Feature Foobar :ak-version[v1.2.3]
* ```
*
* Rewrites the heading to:
*
* ```md
* # Feature Foobar <span class="badge badge--version">authentik: v1.2.3+</span>
* ```
*/
function remarkVersionDirective() {
return function (tree: Root) {
visit(tree, "textDirective", function (node) {
if (node.name !== "ak-version") return SKIP;
const firstChild = node.children[0];
if (firstChild?.type !== "text") return SKIP;
const semver = firstChild.value.trim();
const parsed = coerce(semver);
if (!parsed) {
throw new Error(`Invalid semver version: ${semver}`);
}
const yearCutoff = new Date().getFullYear() - 2;
if (parsed.major <= yearCutoff) {
throw new Error(
`Semver version <= ${yearCutoff} is not supported: ${semver}`,
);
}
const data = node.data || (node.data = {});
const hast = h("span", {
...node.attributes,
className: "badge badge--version",
title: `Available in authentik ${parsed.format()} and later`,
"aria-description": "Version badge",
role: "img",
});
data.hName = hast.tagName;
data.hProperties = hast.properties;
data.hChildren = [
{
type: "text",
value: `authentik:\u00A0${parsed.format()}+`,
},
];
node.children = [];
return SKIP;
});
};
}
export default remarkVersionDirective;