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import { crypto, toHashString } from "std/crypto/mod.ts";
import { join } from "std/path/mod.ts";
import { Config } from "../config.ts";
import { el, Element, text } from "../dom.ts";
type Params = {
metaCopyrightYear: number;
metaDescription: string;
metaKeywords: string[];
metaTitle: string;
requiresSyntaxHighlight: boolean;
};
export async function pageLayout(
{
metaCopyrightYear,
metaDescription,
metaKeywords,
metaTitle,
requiresSyntaxHighlight,
}: Params,
body: Element,
config: Config,
): Promise<Element> {
const head = el(
"head",
[],
metaElement([["charset", "UTF-8"]]),
metaElement([["name", "viewport"], [
"content",
"width=device-width, initial-scale=1.0",
]]),
metaElement([["name", "author"], ["content", config.blog.author]]),
metaElement([["name", "copyright"], [
"content",
`© ${metaCopyrightYear} ${config.blog.author}`,
]]),
metaElement([["name", "description"], [
"content",
metaDescription,
]]),
...(metaKeywords.length === 0 ? [] : [
metaElement([["name", "keywords"], [
"content",
metaKeywords.join(","),
]]),
]),
linkElement("icon", "/favicon.svg", "image/svg+xml"),
el("title", [], text(`${metaTitle} | ${config.blog.siteName}`)),
await stylesheetLinkElement("/style.css", config),
...(
requiresSyntaxHighlight
? [await stylesheetLinkElement("/hl.css", config)]
: []
),
);
return el(
"html",
[["lang", "ja-JP"]],
head,
body,
);
}
async function stylesheetLinkElement(
fileName: string,
config: Config,
): Promise<Element> {
const filePath = join(Deno.cwd(), config.locations.staticDir, fileName);
const content = (await Deno.readFile(filePath)).buffer;
const hash = toHashString(await crypto.subtle.digest("MD5", content), "hex");
return el("link", [["rel", "stylesheet"], ["href", `${fileName}?h=${hash}`]]);
}
function metaElement(attrs: [string, string][]): Element {
return el("meta", attrs);
}
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);
}
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