1 files changed, 18 insertions, 0 deletions
diff --git a/server-katex/math.ts b/server-katex/math.ts
new file mode 100644
index 0000000..7a5b891
--- /dev/null
+++ b/server-katex/math.ts
@@ -0,0 +1,18 @@
+import { readLines } from "https://deno.land/std@0.134.0/io/mod.ts";
+import katex from "https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.mjs";
+
+const macros = [];
+for await (const line of readLines(Deno.stdin)) {
+  try {
+    const output = katex.renderToString(line.slice(1), {
+      displayMode: line[0] == 'd',
+      throwOnError: false,
+	  macros: macros,
+	  strict: false,
+	  fleqn: false
+    }).replace(/(\r\n|\n|\r)/gm, "");
+	console.log(output);
+  } catch (error) {
+    throw new Error(`Input: ${line}\n\nError: ${error}`);
+  }
+}