1 files changed, 51 insertions, 0 deletions
diff --git a/nuldoc-src/pages/utils.ts b/nuldoc-src/pages/utils.ts
new file mode 100644
index 0000000..018c460
--- /dev/null
+++ b/nuldoc-src/pages/utils.ts
@@ -0,0 +1,51 @@
+import { join } from "std/path/mod.ts";
+import { crypto, toHashString } from "std/crypto/mod.ts";
+import { Element, Node, Text } from "../dom.ts";
+import { Config } from "../config.ts";
+
+export function text(content: string): Text {
+  return {
+    kind: "text",
+    content: content,
+    raw: false,
+  };
+}
+
+export function el(
+  name: string,
+  attrs: [string, string][],
+  ...children: Node[]
+): Element {
+  return {
+    kind: "element",
+    name: name,
+    attributes: new Map(attrs),
+    children: children,
+  };
+}
+
+export async function stylesheetLinkElement(
+  fileName: string,
+  config: Config,
+): Promise<Element> {
+  const filePath = join(Deno.cwd(), config.locations.staticDir, fileName);
+  const content = (await Deno.readFile(filePath)).buffer;
+  const hash = toHashString(await crypto.subtle.digest("MD5", content), "hex");
+  return el("link", [["rel", "stylesheet"], ["href", `${fileName}?h=${hash}`]]);
+}
+
+export function metaElement(attrs: [string, string][]): Element {
+  return el("meta", attrs);
+}
+
+export function linkElement(
+  rel: string,
+  href: string,
+  type: string | null,
+): Element {
+  const attrs: [string, string][] = [["rel", rel], ["href", href]];
+  if (type !== null) {
+    attrs.push(["type", type]);
+  }
+  return el("link", attrs);
+}