Added optionals

Author: talkol

src/routes/(examples)/04-maps/contract.tact

@@ -80,7 +80,7 @@ contract Maps with Deployable {
         if (self.mi1.get(17) == null) {
             return "not found";
         }
-        let item: TokenInfo = self.mi1.get(17)!!; // the !! will tell the compiler it's not null
+        let item: TokenInfo = self.mi1.get(17)!!; // !! tells the compiler this can't be null
         return item.ticker;
     }
 

src/routes/(examples)/04-optionals/+page.svelte

@@ -0,0 +1,47 @@
+<script lang="ts">
+  import { toNano, type Sender } from "ton-core";
+  import { Blockchain, type SandboxContract } from "@ton-community/sandbox";
+  import { getExample } from "$lib/helpers";
+  import store from "$lib/store";
+
+  import markdown from "./content.md?raw";
+  import tactCode from "./contract.tact?raw";
+  import { Optionals } from "./Optionals";
+
+  let sender: Sender;
+  let contract: SandboxContract<Optionals>;
+
+  $store = {
+    markdown,
+    tactCode,
+    deploy: async () => {
+      const blockchain = await Blockchain.create();
+      const deployer = await blockchain.treasury("deployer");
+      sender = deployer.getSender();
+      contract = blockchain.openContract(await Optionals.fromInit(null, null, null));
+      const addresses = {
+        [deployer.address.toString()]: "deployer",
+        [contract.address.toString()]: "contract",
+      };
+      return [[contract], addresses, [await contract.send(deployer.getSender(), { value: toNano(1) }, { $$type: "Deploy", queryId: 0n })]];
+    },
+    messages: {
+      "MsgOpts{ma:5}": async () => {
+        return [await contract.send(sender, { value: toNano(1) }, { $$type: "MsgOpts", ma: 5n, mb: null, mc: null, md: null })];
+      },
+    },
+    getters: {
+      optInt: async () => {
+        return await contract.getOptInt();
+      },
+      optIntVal: async () => {
+        return await contract.getOptIntVal();
+      },
+      optNested: async () => {
+        return await contract.getOptNested();
+      },
+    },
+    prev: getExample(import.meta.url).prev,
+    next: getExample(import.meta.url).next,
+  };
+</script>