Add /imagine-style command

public/scripts/extensions/stable-diffusion/index.js

@@ -4058,7 +4058,35 @@ jQuery(async () => {
             await onSourceChange();
             return extension_settings.sd.source;
         },
-    }))
+    }));
+
+    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
+        name: 'imagine-style',
+        aliases: ['sd-style', 'img-style'],
+        returns: 'a name of the current style',
+        unnamedArgumentList: [
+            SlashCommandArgument.fromProps({
+                description: 'style name',
+                typeList: [ARGUMENT_TYPE.STRING],
+                isRequired: false,
+                forceEnum: true,
+                enumProvider: () => Array.from(document.querySelectorAll('#sd_style > [value]')).map(x => new SlashCommandEnumValue(x.getAttribute('value'), x.textContent)),
+            }),
+        ],
+        helpString: 'If an argument is provided, change the style of the image generation, e.g. <code>/imagine-style MyStyle</code>. Returns the current style.',
+        callback: async (_args, name) => {
+            if (!name) {
+                return extension_settings.sd.style;
+            }
+            const option = document.querySelector(`#sd_style [value="${name}"]`);
+            if (!(option instanceof HTMLOptionElement)) {
+                throw new Error('Could not find the style option in the dropdown.');
+            }
+            option.selected = true;
+            onStyleSelect();
+            return extension_settings.sd.style;
+        },
+    }));
 
     SlashCommandParser.addCommandObject(SlashCommand.fromProps({
         name: 'imagine-comfy-workflow',