Removed trailing commas rule and applied it

.prettierrc

@@ -1,3 +1,4 @@
 {
-  "singleQuote": true
+  "singleQuote": true,
+  "trailingComma" : "none"
 }

etc/scripts/generate-make-graph.ts

@@ -63,7 +63,7 @@ make.stdout.on('data', (data: Buffer) => {
       graph.push({
         type: 'target',
         name,
-        depth: depthString.length / 2,
+        depth: depthString.length / 2
       });
       continue;
     }
@@ -79,7 +79,7 @@ make.stdout.on('data', (data: Buffer) => {
       depth = depthString.length / 2;
       graph.push({
         type: 'end',
-        depth,
+        depth
       });
       depth = undefined;
       continue;
@@ -89,7 +89,7 @@ make.stdout.on('data', (data: Buffer) => {
       graph.push({
         type: 'code',
         value: msg.toString(),
-        depth,
+        depth
       });
       continue;
     }
@@ -107,7 +107,7 @@ const printGraph = (): void => {
       const spacer = ' '.repeat(cellWidth - g.name.length - 2);
       console.log(`${padLeft}┌${bar}┐${padRight}`);
       console.log(
-        `${padLeft}│ ${chalk.cyan.bold(g.name)}${spacer} |${padRight}`,
+        `${padLeft}│ ${chalk.cyan.bold(g.name)}${spacer} |${padRight}`
       );
       continue;
     }

packages/code-snippet/src/CodeSnippetService.ts

@@ -57,13 +57,13 @@ export class CodeSnippetService {
   static deleteCodeSnippet(codeSnippet: IMetadata): Promise<boolean> {
     return showDialog({
       title: `Delete snippet '${codeSnippet.display_name}'?`,
-      buttons: [Dialog.cancelButton(), Dialog.okButton()],
+      buttons: [Dialog.cancelButton(), Dialog.okButton()]
     }).then((result: any) => {
       // Do nothing if the cancel button is pressed
       if (result.button.accept) {
         return MetadataService.deleteMetadata(
           CODE_SNIPPET_SCHEMASPACE,
-          codeSnippet.name,
+          codeSnippet.name
         ).then(() => true);
       } else {
         return false;