init

bin/resources/latex/index.ts

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+import { Asset, Bundler } from "../../bundler";
+import { Observable } from "../../observable";
+import { createEjs } from "../ejs";
+import { latexToPdf } from "./utils";
+
+type LatexOptions = {
+  path: string;
+  bundler: Bundler;
+  template: ReturnType<typeof createEjs>;
+  data: Observable<any>;
+};
+const createLatex = ({ template, data, path, bundler }: LatexOptions) => {
+  const pdf = Observable.combine({
+    template,
+    data,
+  })
+    .pipe(async ({ template, data }) => template(data))
+    .pipe(async (latex) => {
+      const pdf = await latexToPdf(latex);
+
+      const asset: Asset = {
+        content: pdf,
+      };
+      return asset;
+    });
+  return bundler.register(`${path}.pdf`, pdf);
+};
+
+export { createLatex };

bin/resources/latex/utils.ts

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+import latex from "node-latex";
+import { Readable } from "stream";
+
+const latexToPdf = (doc: string) =>
+  new Promise<Buffer>((resolve, reject) => {
+    const chunks: Buffer[] = [];
+    const input = new Readable();
+    input.push(doc);
+    input.push(null);
+    const latexStream = latex(input);
+    latexStream.on("data", (chunk) => {
+      chunks.push(Buffer.from(chunk));
+    });
+    latexStream.on("finish", () => {
+      const result = Buffer.concat(chunks);
+      resolve(result);
+    });
+    latexStream.on("error", (err) => {
+      reject(err);
+    });
+  });
+
+export { latexToPdf };