Merge pull request #51 from LocalBytes/fix/perf

feat: Read in line by line to find data

Author: AAllport

packages/localdeck-configurator/src/pages/editor.vue

@@ -153,4 +153,6 @@ const reset = () => {
   config.resetChanges();
   resetting.value = false;
 };
+
+preloadComponents(['DeckButtonConfigLabel', 'DeckIconPicker']);
 </script>

packages/localdeck-configurator/src/server/api/editor.get.ts

@@ -1,26 +1,36 @@
-import * as fs from 'fs/promises';
+import * as fs from 'node:fs';
+import * as readline from 'node:readline';
 
 import { decompress } from '@localbytes/localdeck-components/src/utils/compression';
 import { zPadEditor } from '@localbytes/localdeck-components/src/utils/PadCfg';
 
 export default defineEventHandler(async (event) => {
   const { filesDir } = useRuntimeConfig();
   const { filename } = getQuery(event);
-  const content = await fs.readFile(`${filesDir}/${filename}`, 'utf8');
-  const configMatch = content.match(/configurator\?config=(.*)/);
+  const content = fs.createReadStream(`${filesDir}/${filename}`, 'utf8');
+  const rl = readline.createInterface({ input: content, crlfDelay: Infinity });
+
+  let configMatch = null;
+  let matchName = null;
+  let matchFriendly = null;
+
+  for await (const line of rl) {
+    configMatch ??= line.match(/localdeck-configurator\?config=(.*)/);
+    matchName ??= line.match(/name: "?(.*)"?/);
+    matchFriendly ??= line.match(/friendly_name: "?(.*)"?/);
+
+    // noinspection PointlessBooleanExpressionJS
+    if (configMatch) break;
+  }
+
   const configStr = configMatch ? decodeURIComponent(configMatch[1]) : null;
 
   const config = configStr
     ? decompress(configStr, zPadEditor)
     : zPadEditor.parse({});
 
-  const matchName = content.match(/name: (.*)/);
-  if (matchName) config.title = matchName[1];
-
-  const matchFriendly = content.match(/friendly_name: (.*)/);
-  if (matchFriendly) config.title = matchFriendly[1];
-
+  config.title = matchFriendly?.[1] ?? matchName?.[1] ?? config.title ?? 'My LocalDeck';
   config.buttons ??= {};
 
-  return { configStr, config, content };
+  return { configStr, config };
 });