From 40d46b22bdda5e527b5e7819b4b1bb1d4bec8d1d Mon Sep 17 00:00:00 2001
From: Sean Meininger <sean.meininger@pm.me>
Date: Sun, 9 Oct 2022 21:58:27 -0700
Subject: [PATCH] fix async for appendFile

---
 src/lib/fileOperations.ts | 9 ++++++++-
 src/main.ts               | 8 +++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/lib/fileOperations.ts b/src/lib/fileOperations.ts
index ffa19a2..0c48d76 100644
--- a/src/lib/fileOperations.ts
+++ b/src/lib/fileOperations.ts
@@ -1,4 +1,5 @@
 const fs = require("fs");
+import { generateHereDoc } from "./configHeredoc";
 import { exit } from "process";
 
 // Check for the presence of sentinel.hcl, or else one gets created
@@ -9,4 +10,10 @@ export const ensureFileExists = async (filename: string) => {
         console.log(`${filename} not present. Are you running this in the right directory?`);
         exit();
     }
-}
\ No newline at end of file
+}
+
+export const appendHeredocToFile = async (filename:string, textToAppend:string) => {
+   fs.promises.appendFile(filename, textToAppend);
+};
+
+appendHeredocToFile('ok', generateHereDoc('arg'));
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 0f9bc8a..96febca 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,9 +1,9 @@
 #!/usr/bin/env node
 // Most of the Typescript essentials are from: https://www.section.io/engineering-education/how-to-use-typescript-with-nodejs/
-const fs = require("fs");
+import fs from "fs";
 import {generateHereDoc, functionUrls} from "./lib/configHeredoc";
 import {ripGrep} from "./lib/ripGrep";
-import { ensureFileExists } from "lib/fileOperations";
+import { ensureFileExists, appendHeredocToFile } from "lib/fileOperations";
 
 const checkForCommonFunctions = async (functionsArray: Array<string>) => {
     // iterate over all common functions by name
@@ -14,9 +14,7 @@ const checkForCommonFunctions = async (functionsArray: Array<string>) => {
     if(exitCode === 0) {
         console.log(`found import ${i}, appending to sentinel.hcl`);
         // Add heredoc to sentinel.hcl file if a match is found
-        await fs.appendFile("sentinel.hcl", generateHereDoc(i), (err:any) => {
-            if(err) throw err;
-        });
+        await appendHeredocToFile("sentinel.hcl", generateHereDoc(i));
     }
   }
 }