chore: update to latests Deno and CLI standards

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/deno.yml

@@ -2,9 +2,11 @@ name: Deno app build and testing
 
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
 
 jobs:
   deno:
@@ -18,7 +20,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v1
         with:
-          deno-version: v1.x
+          deno-version: v2.x
 
       - name: Verify formatting
         run: deno fmt --check

.gitignore

@@ -1,4 +1,3 @@
 dist
 package
 .DS_Store
-.slack/apps.dev.json

.slack/.gitignore

@@ -0,0 +1,2 @@
+apps.dev.json
+cache/

README.md

@@ -150,11 +150,9 @@ $ slack activity --tail
 Contains `apps.dev.json` and `apps.json`, which include installation details for
 development and deployed apps.
 
-### `datastores/`
-
-[Datastores](https://api.slack.com/automation/datastores) securely store data
-for your application on Slack infrastructure. Required scopes to use datastores
-include `datastore:write` and `datastore:read`.
+Contains `hooks.json` used by the CLI to interact with the project's SDK
+dependencies. It contains script hooks that are executed by the CLI and
+implemented by the SDK.
 
 ### `functions/`
 
@@ -182,11 +180,6 @@ continuing to the next step.
 The [app manifest](https://api.slack.com/automation/manifest) contains the app's
 configuration. This file defines attributes like app name and description.
 
-### `slack.json`
-
-Used by the CLI to interact with the project's SDK dependencies. It contains
-script hooks that are executed by the CLI and implemented by the SDK.
-
 ## Resources
 
 To learn more about developing automations on Slack, visit the following:

deno.jsonc

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://deno.land/x/deno/cli/schemas/config-file.v1.json",
+  "$schema": "https://raw.githubusercontent.com/denoland/deno/main/cli/schemas/config-file.v1.json",
   "fmt": {
     "include": [
       "README.md",
@@ -13,7 +13,6 @@
       "workflows"
     ]
   },
-  "importMap": "import_map.json",
   "lint": {
     "include": [
       "datastores",
@@ -28,6 +27,12 @@
   },
   "lock": false,
   "tasks": {
-    "test": "deno fmt --check && deno lint && deno test --allow-read --allow-none"
+    "test": "deno fmt --check && deno lint && deno test --allow-read"
+  },
+  "imports": {
+    "@std/assert": "jsr:@std/assert@^1.0.13",
+    "@std/testing": "jsr:@std/testing@^1.0.12",
+    "deno-slack-sdk/": "https://deno.land/x/deno_slack_sdk@2.15.0/",
+    "deno-slack-api/": "https://deno.land/x/deno_slack_api@2.8.0/"
   }
 }

functions/post_issue_message_test.ts

@@ -0,0 +1,43 @@
+import { SlackFunctionTester } from "deno-slack-sdk/mod.ts";
+import handler from "./post_issue_message.ts";
+import { stub } from "@std/testing/mock";
+import { assertEquals } from "@std/assert/equals";
+
+const { createContext } = SlackFunctionTester("my-function");
+
+Deno.test("Posts a message", async () => {
+  using _fetchStub = stub(
+    globalThis,
+    "fetch",
+    async (url: string | URL | Request, options?: RequestInit) => {
+      const request = url instanceof Request ? url : new Request(url, options);
+      const body = await request.formData();
+
+      assertEquals(request.method, "POST");
+      assertEquals(request.url, "https://slack.com/api/chat.postMessage");
+      assertEquals(body.get("channel"), "C111");
+
+      return Promise.resolve(
+        new Response(JSON.stringify({ ok: true }), {
+          status: 200,
+        }),
+      );
+    },
+  );
+
+  const inputs = {
+    channel: "C111",
+    submitting_user: "U111",
+    severity: "low",
+    description: "there ware an issue",
+    link: "https://example.ca",
+  };
+  const { outputs } = await handler(createContext({ inputs }));
+  assertEquals(outputs, {
+    channel: "C111",
+    description: "there ware an issue",
+    link: "https://example.ca",
+    severity: "low",
+    submitting_user: "U111",
+  });
+});

triggers/submit_issue.ts

@@ -1,6 +1,6 @@
-import { Trigger } from "deno-slack-sdk/types.ts";
+import type { Trigger } from "deno-slack-sdk/types.ts";
 import { TriggerContextData, TriggerTypes } from "deno-slack-api/mod.ts";
-import SubmitIssueWorkflow from "../workflows/submit_issue.ts";
+import type SubmitIssueWorkflow from "../workflows/submit_issue.ts";
 
 /**
  * Triggers determine when workflows are executed. A trigger