diff options
| -rw-r--r-- | routes/posts.js | 151 |
1 files changed, 80 insertions, 71 deletions
diff --git a/routes/posts.js b/routes/posts.js index 29a7c40..f121925 100644 --- a/routes/posts.js +++ b/routes/posts.js @@ -14,79 +14,88 @@ router.get("/posts/:id", function (req, res) { query = query.where("slug", "==", id); var html = fs.readFileSync(__dirname + "/../public/views/post.html", "utf8"); var $ = cheerio.load(html); - query.get().then(function (querySnapshot) { - querySnapshot.forEach(function (doc) { - const post = doc.data(); - const changedTitle = - '<script>document.title = "That Computer Scientist | ' + - post.title + - '";</script>'; - $("head").append(changedTitle); - $("#title").text(post.title); - // convert content from base64 to utf8 - const content = Buffer.from(post.content, "base64").toString("utf8"); - // Parse the markdown and highlight the code - const renderPreview = $("#content"); - marked.setOptions({ - renderer: new marked.Renderer(), - highlight: function(code, lang) { - const hljs = require('highlight.js'); - const language = hljs.getLanguage(lang) ? lang : 'plaintext'; - return hljs.highlight(code, { language }).value; - }, - langPrefix: 'hljs language-', - pedantic: false, - gfm: true, - breaks: false, - sanitize: false, - smartLists: true, - smartypants: false, - xhtml: false, - }); - renderPreview.html(marked.parse(content)); - $("#publishDate").text(post.publishDate); - post.tags.forEach((tag) => { - $("#tags").append( - `<a href="/posts/tag/${tag - .trim() - .replace( - / /g, - "-" - )}" class="label label-info" style="margin-right: 10px;">${tag.trim()}</a>` - ); - }); - const katexTags = ` - <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js" - integrity="sha384-0fdwu/T/EQMsQlrHCCHoH10pkPLlKA1jL5dFyUOvB3lfeT2540/2g6YgSi2BL14p" - crossorigin="anonymous"></script> - <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" - integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" - crossorigin="anonymous"></script>`; - $("body").append(katexTags); - const autoRenderScript = ` - <script> - document.addEventListener("DOMContentLoaded", function() { - const tables = document.getElementsByTagName("table"); - for (let i = 0; i < tables.length; i++) { - tables[i].classList.add("table"); - tables[i].classList.add("table-bordered"); - } - renderMathInElement(document.getElementById("content"), { - // customised options - // • auto-render specific keys, e.g.: - delimiters: [ - {left: '$$', right: '$$', display: true}, - {left: '$', right: '$', display: false}, - ], - // • rendering keys, e.g.: - throwOnError : false - }); + query + .get() + .then(function (querySnapshot) { + if (querySnapshot.empty) { + res.send("404 Not Found"); + } else { + querySnapshot.forEach(function (doc) { + const post = doc.data(); + const changedTitle = + '<script>document.title = "That Computer Scientist | ' + + post.title + + '";</script>'; + $("head").append(changedTitle); + $("#title").text(post.title); + // convert content from base64 to utf8 + const content = Buffer.from(post.content, "base64").toString("utf8"); + // Parse the markdown and highlight the code + const renderPreview = $("#content"); + marked.setOptions({ + renderer: new marked.Renderer(), + highlight: function (code, lang) { + const hljs = require("highlight.js"); + const language = hljs.getLanguage(lang) ? lang : "plaintext"; + return hljs.highlight(code, { language }).value; + }, + langPrefix: "hljs language-", + pedantic: false, + gfm: true, + breaks: false, + sanitize: false, + smartLists: true, + smartypants: false, + xhtml: false, }); - </script>`; - $("body").append(autoRenderScript); - res.send($.html()); + renderPreview.html(marked.parse(content)); + $("#publishDate").text(post.publishDate); + post.tags.forEach((tag) => { + $("#tags").append( + `<a href="/posts/tag/${tag + .trim() + .replace( + / /g, + "-" + )}" class="label label-info" style="margin-right: 10px;">${tag.trim()}</a>` + ); + }); + const katexTags = ` + <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js" + integrity="sha384-0fdwu/T/EQMsQlrHCCHoH10pkPLlKA1jL5dFyUOvB3lfeT2540/2g6YgSi2BL14p" + crossorigin="anonymous"></script> + <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" + integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" + crossorigin="anonymous"></script>`; + $("body").append(katexTags); + const autoRenderScript = ` + <script> + document.addEventListener("DOMContentLoaded", function() { + const tables = document.getElementsByTagName("table"); + for (let i = 0; i < tables.length; i++) { + tables[i].classList.add("table"); + tables[i].classList.add("table-bordered"); + } + renderMathInElement(document.getElementById("content"), { + // customised options + // • auto-render specific keys, e.g.: + delimiters: [ + {left: '$$', right: '$$', display: true}, + {left: '$', right: '$', display: false}, + ], + // • rendering keys, e.g.: + throwOnError : false + }); + }); + </script>`; + $("body").append(autoRenderScript); + res.send($.html()); + }); + } + }) + .catch(function (error) { + console.log("Error getting documents: ", error); }); - }); }); module.exports = router; |