From 08cbb328d103a7703d34602f595406caf0f1756c Mon Sep 17 00:00:00 2001
From: Andrew Chin <achin@eminence32.net>
Date: Tue, 10 Oct 2023 22:19:38 -0400
Subject: [PATCH] Web: handle query string input line by line

This changes how input from a query string are handled.  Handling them
line by line produces output that more closely resembles how it would
have looked like when typed in interactively.

Closes #205
---
 numbat-wasm/www/index.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/numbat-wasm/www/index.js b/numbat-wasm/www/index.js
index 4c5c84ef..a887b62b 100644
--- a/numbat-wasm/www/index.js
+++ b/numbat-wasm/www/index.js
@@ -58,8 +58,8 @@ function interpret(input) {
     output = result.output;
 
     if (!result.is_error) {
-        combined_input += input + "\n";
-        updateUrlQuery(combined_input.trim());
+        combined_input += input.trim() + "⏎";
+        updateUrlQuery(combined_input);
     }
   }
 
@@ -87,7 +87,12 @@ function main() {
     if (location.search) {
       var queryParams = new URLSearchParams(location.search);
       if (queryParams.has("q")) {
-        term.exec(queryParams.get("q"));
+        // feed in the query line by line, as if the user typed it in
+        for (const line of queryParams.get("q").split("⏎")) {
+          if (line.trim().length > 0) {
+            term.exec(line.trim() + "\n");
+          }
+        }
       }
     }
   });