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"use strict";
const fs = require("fs");
const path = require("path");
const send = require("koa-send");
function home(config, responder, posts) {
const postsArray = Array.from(posts.values());
return async function(ctx, next) {
responder(ctx, config, { posts: postsArray });
};
}
function posts(config, responder, posts) {
const postsArray = Array.from(posts.values());
return async function(ctx, next) {
responder(ctx, config, {
listType: null,
listName: "Posts",
posts: postsArray
});
};
}
function highlightTheme(config) {
const theme = config.posts.code.theme;
const themeFile = path.resolve(
__dirname,
`../node_modules/highlight.js/styles/${theme}.css`
);
if (!fs.existsSync(themeFile)) {
throw new Error(`Couldn't find highlight theme ${theme}`);
}
const css = fs.readFileSync(themeFile, "utf-8");
return async function(ctx, next) {
ctx.type = "css";
ctx.body = css;
};
}
function post(config, responder, posts) {
return async function(ctx, next) {
ctx.assert(posts.has(ctx.params.filename), 404, "Post not found");
const post = posts.get(ctx.params.filename);
responder(ctx, config, { post });
};
}
function tags(config, responder, tags) {
return async function(ctx, next) {
responder(ctx, config, {
tags: tags.keys()
});
};
}
function tag(config, responder, items) {
return async function(ctx, next) {
const tag = ctx.params.name;
ctx.assert(items.has(tag), 404, `tag ${tag} not found`);
responder(ctx, config, {
listType: "tag",
listName: tag,
posts: items.get(tag)
});
};
}
const prefix = /^\/static\//;
async function serveFiles(ctx) {
if (prefix.test(ctx.path)) {
await send(ctx, ctx.path.replace(prefix, ""), {
root: "./static"
});
}
}
module.exports = {
home,
posts,
highlightTheme,
post,
tags,
tag,
serveFiles
};
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