From ac096c0d7945a09c4f3ee09ea570af67ffadb426 Mon Sep 17 00:00:00 2001
From: llam <35342488+leocwlam@users.noreply.github.com>
Date: Tue, 23 Jun 2020 12:20:55 -0400
Subject: [PATCH] Add new typeing for System Task (#45489)

Co-authored-by: leo lam <leo.lam@uptake.com>
---
 types/system-task/index.d.ts           | 26 +++++++++++++++
 types/system-task/system-task-tests.ts | 45 ++++++++++++++++++++++++++
 types/system-task/tsconfig.json        | 25 ++++++++++++++
 types/system-task/tslint.json          |  6 ++++
 4 files changed, 102 insertions(+)
 create mode 100644 types/system-task/index.d.ts
 create mode 100644 types/system-task/system-task-tests.ts
 create mode 100644 types/system-task/tsconfig.json
 create mode 100644 types/system-task/tslint.json

diff --git a/types/system-task/index.d.ts b/types/system-task/index.d.ts
new file mode 100644
index 0000000000..d05d81b570
--- /dev/null
+++ b/types/system-task/index.d.ts
@@ -0,0 +1,26 @@
+// Type definitions for system-task 1.0
+// Project: https://github.com/leocwlam/system-task
+// Definitions by: Leo Lam <https://github.com/leocwlam>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// Minimum TypeScript Version: 3.1
+
+/// <reference types="node" />
+
+export = SystemTask;
+
+declare class SystemTask {
+  type: string;
+  constructor(taskType: string, isAsyncProcess?: boolean, logMethod?: any);
+  log(type: string, message: string, detail?: any): void;
+  insertPreprocessItemsHandler(task: SystemTask): Promise<any>;
+  preprocessHandler(task: SystemTask, preProcessItem: any): Promise<any>;
+  processHandler(task: SystemTask, processItem: any): Promise<any>;
+  cleanupHandler(task: SystemTask, cleanupItems: any[]): Promise<any>;
+  isValidProcess(): void;
+  start(): void;
+}
+
+declare namespace SystemTask {
+  function asyncProcess(items: any[], executeAsyncCall: any, task: SystemTask, errors: any[]): Promise<any>;
+  function syncProcess(items: any[], executeSyncCall: any, task: SystemTask, errors: any[]): Promise<any>;
+}
diff --git a/types/system-task/system-task-tests.ts b/types/system-task/system-task-tests.ts
new file mode 100644
index 0000000000..e40656e903
--- /dev/null
+++ b/types/system-task/system-task-tests.ts
@@ -0,0 +1,45 @@
+import * as SystemTask from 'system-task';
+
+const TYPE = 'Demo Task';
+const REQUIREASYNCEPROCESS = true;
+
+const DEMOASSET = {
+  name: 'DEMO ASSET',
+  async execute(message: string) {
+    return new Promise((res) => {
+      setTimeout(() => {
+        console.log(`Done with ${message}`);
+        res();
+      }, 500);
+    });
+  }
+};
+
+const logMethod = (messageType: string, message: string, detailMessage?: any) => {
+  console.log(messageType, message, detailMessage);
+};
+
+class DemoTask extends SystemTask {
+  constructor() {
+    super(TYPE, REQUIREASYNCEPROCESS, logMethod);
+  }
+
+  async insertPreprocessItemsHandler(task: DemoTask): Promise<any> {
+    if (!task) {
+      throw new Error('missing task');
+    }
+    return [
+      {...DEMOASSET, name: 'Asset 1' },
+      {...DEMOASSET, name: 'Asset 2' }
+    ];
+  }
+
+  async processHandler(task: DemoTask, processItem: any): Promise<any> {
+    await processItem.execute(processItem.name);
+
+    return processItem;
+  }
+}
+
+const task: DemoTask = new DemoTask();
+task.start();
diff --git a/types/system-task/tsconfig.json b/types/system-task/tsconfig.json
new file mode 100644
index 0000000000..498ab2f56e
--- /dev/null
+++ b/types/system-task/tsconfig.json
@@ -0,0 +1,25 @@
+
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "target": "es2017",
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "system-task-tests.ts"
+    ]
+}
diff --git a/types/system-task/tslint.json b/types/system-task/tslint.json
new file mode 100644
index 0000000000..41344f59e7
--- /dev/null
+++ b/types/system-task/tslint.json
@@ -0,0 +1,6 @@
+{
+    "extends": "dtslint/dt.json",
+    "rules": {
+        "npm-naming": false
+    }
+}