commit 39ec44074b60f0f5d1d1c4ef45ab7d02014c0529 · dunkirk.sh/zera

+61 -61
tools/genOG.ts
···

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       const browser = await puppeteer.launch();

     

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       async function og(

     

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         postname: string,

     

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         outputPath: string,

     

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         width = 1200,

     

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         height = 630

     

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       	postname: string,

     

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       	outputPath: string,

     

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       	width = 1200,

     

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       	height = 630,

     

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       ) {

     

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         const page = await browser.newPage();

     

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       	const page = await browser.newPage();

     

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         await page.setViewport({ width, height });

     

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       	await page.setViewport({ width, height });

     

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         await page.setContent(template.toString().replace("{{postname}}", postname));

     

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       	await page.setContent(template.toString().replace("{{postname}}", postname));

     

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         await page.screenshot({ path: outputPath });

     

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       	await page.screenshot({ path: outputPath });

     

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       }

     

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       async function fileExists(path: string): Promise<boolean> {

     

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         try {

     

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           await Bun.file(path);

     

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           return true;

     

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         } catch (e) {

     

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           return false;

     

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         }

     

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       	try {

     

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       		await Bun.file(path);

     

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       		return true;

     

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       	} catch (e) {

     

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       		return false;

     

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       	}

     

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       }

     

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       try {

     

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         // check if the public/blog folder exists

     

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         // if not exit

     

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         // if it does, get all the folders and then get the title tag from the index.html

     

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       	// check if the public/blog folder exists

     

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       	// if not exit

     

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       	// if it does, get all the folders and then get the title tag from the index.html

     

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         if (!(await fileExists("public/"))) {

     

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           console.error("public/ does not exist");

     

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           process.exit(1);

     

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         }

     

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       	if (!(await fileExists("public/"))) {

     

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       		console.error("public/ does not exist");

     

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       		process.exit(1);

     

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       	}

     

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         // read all the files in the current directory filtering for index.htmls

     

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         const files = (await readdir("public/", { recursive: true })).filter((file) =>

     

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           file.endsWith("index.html")

     

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         );

     

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       	// read all the files in the current directory filtering for index.htmls

     

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       	const files = (await readdir("public/", { recursive: true })).filter((file) =>

     

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       		file.endsWith("index.html"),

     

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       	);

     

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         const directories = new Set(

     

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           files.map((file) => file.replace("index.html", ""))

     

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         );

     

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       	const directories = new Set(

     

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       		files.map((file) => file.replace("index.html", "")),

     

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       	);

     

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         const existing = (await readdir("static/")).filter((file) =>

     

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           directories.has(file)

     

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         );

     

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       	const existing = (await readdir("static/")).filter((file) =>

     

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       		directories.has(file),

     

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       	);

     

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         // create not existing

     

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         for (const dir of directories) {

     

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           if (!existing.includes(dir)) {

     

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             await mkdir(`static/${dir.split("/").slice(0, -1).join("/")}`, {

     

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               recursive: true,

     

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             });

     

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           }

     

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         }

     

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       	// create not existing

     

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       	for (const dir of directories) {

     

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       		if (!existing.includes(dir)) {

     

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       			await mkdir(`static/${dir.split("/").slice(0, -1).join("/")}`, {

     

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       				recursive: true,

     

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       			});

     

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       		}

     

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       	}

     

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         console.log("Generating OG images for", files.length, "files");

     

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       	console.log("Generating OG images for", files.length, "files");

     

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         // for each file, get the title tag from the index.html

     

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         for (const file of files) {

     

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           const index = await Bun.file(`public/${file}`).text();

     

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           let title: string;

     

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           if (file.startsWith("tags/")) {

     

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             const parts = file.split("/");

     

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             title = `Tag: ${parts[1]}`; // take the next directory as the title

     

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           } else {

     

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             const match = index.match(/<title>(.*?)<\/title>/);

     

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             if (match) {

     

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               title = match[1];

     

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             } else {

     

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               console.error(`No title found for ${file}`);

     

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               continue;

     

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             }

     

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           }

     

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       	// for each file, get the title tag from the index.html

     

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       	for (const file of files) {

     

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       		const index = await Bun.file(`public/${file}`).text();

     

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       		let title: string;

     

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       		if (file.startsWith("tags/")) {

     

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       			const parts = file.split("/");

     

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       			title = `Tag: ${parts[1]}`; // take the next directory as the title

     

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       		} else {

     

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       			const match = index.match(/<title>(.*?)<\/title>/);

     

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       			if (match) {

     

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       				title = match[1];

     

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       			} else {

     

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       				console.error(`No title found for ${file}`);

     

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       				continue;

     

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       			}

     

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       		}

     

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           console.log("Generating OG for", title);

     

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           await og(title, `static/${file.replace("index.html", "og.png")}`);

     

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         }

     

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       		console.log("Generating OG for", title);

     

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       		await og(title, `static/${file.replace("index.html", "og.png")}`);

     

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       	}

     

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       } catch (e) {

     

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         console.error(e);

     

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       	console.error(e);

     

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       } finally {

     

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         await browser.close();

     

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       	await browser.close();

     

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       }