feat: added latex generation

config/plugins/withLatex/index.js

@@ -0,0 +1,35 @@
+const withLatex = (nextConfig = {}) => {
+  return Object.assign({}, nextConfig, {
+    webpack(config, options) {
+      const {isServer, dev} = options;
+      let outputPath = '';
+      if (isServer && dev) {
+        outputPath = "../";
+      } else if (isServer) {
+        outputPath = "../../";
+      }
+      config.module.rules.push({
+        test: /\.tex.yml$/,
+        use: [{
+          loader: 'file-loader', 
+          options: {
+
+            publicPath: `${nextConfig.assetPrefix || nextConfig.basePath || ''}/_next/static/images/`,
+            outputPath: `${outputPath}static/images/`,
+            name: "[name]-[hash].pdf",
+            esModule: nextConfig.esModule || false,
+          },
+        }, {
+          loader: require.resolve('./webpack.js'),
+        }],
+      });
+      if (typeof nextConfig.webpack === "function") {
+        return nextConfig.webpack(config, options);
+      }
+
+      return config;
+    },
+  });
+}
+
+module.exports = withLatex;

config/plugins/withLatex/webpack.js

@@ -0,0 +1,31 @@
+require('reflect-metadata');
+require('@babel/register')({
+  extensions: [".es6", ".es", ".jsx", ".js", ".mjs", ".ts"],
+});
+const latex = require("node-latex")
+var Readable = require('stream').Readable
+const { generateLatex } = require('../../../src/latex');
+
+module.exports = function (source) {
+  var callback = this.async();
+  const location = this.resourcePath;
+  generateLatex(source, location)
+    .then((result) => {
+      const chunks = [];
+      const input = new Readable();
+      input.push(result);
+      input.push(null);
+      const latexStream = latex(input);
+      latexStream.on('data', (chunk) => {
+        chunks.push(Buffer.from(chunk));
+      })
+      latexStream.on('finish', () => {
+        const result = Buffer.concat(chunks);
+        callback(null, result);
+      })
+      latexStream.on('error', (err) => {
+        callback(err);
+      })
+    })
+    .catch(callback);
+}