feat: Support LaTeX and AsciiMath via MathJax on stem.excalidraw.com

src/packages/extensions/env.js

@@ -0,0 +1,18 @@
+const dotenv = require("dotenv");
+const { readFileSync } = require("fs");
+const pkg = require("./package.json");
+const parseEnvVariables = (filepath) => {
+  const envVars = Object.entries(dotenv.parse(readFileSync(filepath))).reduce(
+    (env, [key, value]) => {
+      env[key] = JSON.stringify(value);
+      return env;
+    },
+    {},
+  );
+  envVars.PKG_NAME = JSON.stringify(pkg.name);
+  envVars.PKG_VERSION = JSON.stringify(pkg.version);
+  envVars.IS_EXCALIDRAW_EXTENSIONS_NPM_PACKAGE = JSON.stringify(true);
+  return envVars;
+};
+
+module.exports = { parseEnvVariables };