matugen: add color reload capability to vscode theme

quickshell/matugen/vsix-build/extension.js

@@ -0,0 +1,71 @@
+const vscode = require("vscode");
+const path = require("path");
+const fs = require("fs");
+
+let watcher = null;
+let reloadTimeout = null;
+
+function activate(context) {
+  const themesDir = path.join(context.extensionPath, "themes");
+
+  try {
+    watcher = vscode.workspace.createFileSystemWatcher(
+      new vscode.RelativePattern(themesDir, "*.json")
+    );
+  } catch (e) {
+    return;
+  }
+
+  if (!watcher) return;
+
+  const reloadTheme = (uri) => {
+    if (reloadTimeout) clearTimeout(reloadTimeout);
+
+    reloadTimeout = setTimeout(async () => {
+      const config = vscode.workspace.getConfiguration("workbench");
+      const currentTheme = config.get("colorTheme");
+
+      if (!currentTheme?.includes("DankShell")) return;
+
+      let themeFile;
+      switch (true) {
+        case currentTheme.includes("Light"):
+          themeFile = path.join(themesDir, "dankshell-light.json");
+          break;
+        case currentTheme.includes("Dark"):
+          themeFile = path.join(themesDir, "dankshell-dark.json");
+          break;
+        default:
+          themeFile = path.join(themesDir, "dankshell-default.json");
+      }
+
+      let themeData;
+      try {
+        const content = fs.readFileSync(themeFile, "utf8");
+        themeData = JSON.parse(content);
+      } catch (e) {
+        return;
+      }
+
+      if (!themeData?.colors) return;
+
+      await config.update(
+        "colorCustomizations",
+        { "[Dynamic Base16 DankShell]": themeData.colors },
+        vscode.ConfigurationTarget.Global
+      );
+    }, 150);
+  };
+
+  watcher.onDidChange(reloadTheme);
+  watcher.onDidCreate(reloadTheme);
+
+  context.subscriptions.push(watcher);
+}
+
+function deactivate() {
+  if (reloadTimeout) clearTimeout(reloadTimeout);
+  if (watcher) watcher.dispose();
+}
+
+module.exports = { activate, deactivate };

quickshell/matugen/vsix-build/package.json

@@ -7,6 +7,10 @@
   "engines": {
     "vscode": "^1.70.0"
   },
+  "main": "./extension.js",
+  "activationEvents": [
+    "onStartupFinished"
+  ],
   "categories": [
     "Themes"
   ],