add completion for signedInDevices api

Author: vaibhavhrt

src/chrome/dev/signedInDevices/events.json

@@ -0,0 +1,3 @@
+[
+    { "name": "onDeviceInfoChange" }
+]

src/chrome/dev/signedInDevices/index.ts

@@ -0,0 +1,27 @@
+import * as vscode from 'vscode';
+
+import methods from './methods.json';
+import events from './events.json';
+
+const signedInDevicesCompletionItemProvider = {
+    provideCompletionItems(document: vscode.TextDocument, position: vscode.Position) {
+        let linePrefix = document.lineAt(position).text.substr(0, position.character);
+        if (!linePrefix.endsWith('chrome.signedInDevices.')) {
+            return undefined;
+        }
+
+        const methodsCompletionItems = methods.map(func => {
+            const completionItem = new vscode.CompletionItem(func.name, vscode.CompletionItemKind.Method);
+            completionItem.documentation = new vscode.MarkdownString(func.description);
+            return completionItem;
+        });
+        const eventsCompletionItems = events.map(e => new vscode.CompletionItem(e.name, vscode.CompletionItemKind.Event));
+
+        return [
+            ...methodsCompletionItems,
+            ...eventsCompletionItems,
+        ];
+    }
+};
+
+export default signedInDevicesCompletionItemProvider;

src/chrome/dev/signedInDevices/methods.json

@@ -0,0 +1,3 @@
+[
+    { "name": "get", "description": "`chrome.signedInDevices.get(boolean isLocal, function callback)`" }
+]

src/completionItemProviders.ts

@@ -67,6 +67,7 @@ import declarativeWebRequestCompletionItemProvider from './chrome/beta/declarati
 // Dev APIs
 import automationCompletionItemProvider from './chrome/dev/automation';
 import processesCompletionItemProvider from './chrome/dev/processes';
+import signedInDevicesCompletionItemProvider from './chrome/dev/signedInDevices';
 
 export default [
     // Stable
@@ -136,4 +137,5 @@ export default [
     // Dev
     automationCompletionItemProvider,
     processesCompletionItemProvider,
+    signedInDevicesCompletionItemProvider,
 ];