Merge pull request #1887 from mermaid-js/sidv/promo

chore: Update promo URL

src/lib/util/promos/NewYear2026.svelte

@@ -9,68 +9,29 @@
 
   let { closeBanner }: Props = $props();
 
-  interface VariantConfig {
-    bannerCopy: string;
-    buttonCopy: string;
-    campaign: 'variant_a' | 'variant_b' | 'variant_c';
-  }
+  const utmSource = env.domain === 'mermaid.ai' ? 'mermaid_ai_live' : 'mermaid_live_editor';
 
-  const variants: VariantConfig[] = [
-    {
-      bannerCopy: 'Use code NEWYEAR for 10% off Mermaid Advanced Editor (limited time)',
-      buttonCopy: 'Try now',
-      campaign: 'variant_a'
-    },
-    {
-      bannerCopy: 'Limited time: 10% off Mermaid Advanced Editor with code NEWYEAR',
-      buttonCopy: 'Claim discount',
-      campaign: 'variant_b'
-    },
-    {
-      bannerCopy: 'Try Mermaid Advanced Editor — get 10% off with code NEWYEAR',
-      buttonCopy: 'Get started',
-      campaign: 'variant_c'
-    }
-  ];
-
-  // Determine UTM source based on deployment domain
-  const getUtmSource = (): string => {
-    const domain = env.domain;
-    if (domain === 'mermaid.ai') {
-      return 'mermaid_ai_live';
-    }
-    return 'mermaid_live_editor';
-  };
-
-  // Randomly select a variant on component mount
-  const getRandomVariant = (): VariantConfig => {
-    const index = Math.floor(Math.random() * variants.length);
-    return variants[index];
-  };
-
-  const selectedVariant = getRandomVariant();
-  const utmSource = getUtmSource();
-
-  const buildUrl = (variant: VariantConfig): string => {
-    const params = new URLSearchParams({
-      utm_medium: 'banner_ad',
-      utm_campaign: variant.campaign,
-      utm_source: utmSource
-    });
-    return `https://mermaid.ai/?${params.toString()}`;
-  };
+  const url = `https://mermaid.ai/app/user/billing/checkout?${new URLSearchParams({
+    coupon: 'dmIuNbqx',
+    tier: 'plus',
+    utm_campaign: 'newyear',
+    utm_medium: 'banner_ad',
+    utm_source: utmSource
+  }).toString()}`;
 </script>
 
 <div class="flex w-full items-center bg-[#E0095F] p-1.5" role="banner">
   <div class="grid grow">
     <a
-      href={buildUrl(selectedVariant)}
+      href={url}
       target="_blank"
       class="col-start-1 row-start-1 flex items-center justify-center gap-4 no-underline">
-      <span class="text-base tracking-wider text-white">{selectedVariant.bannerCopy}</span>
+      <span class="text-base tracking-wider text-white">
+        Limited time: 10% off Mermaid Advanced Editor with code NEWYEAR
+      </span>
       <Button
         class="shrink-0 rounded-md bg-[#1E1A2E] px-3 py-1.5 text-base font-semibold tracking-wide text-white hover:bg-[#261A56]">
-        {selectedVariant.buttonCopy}
+        Claim discount
       </Button>
     </a>
   </div>