fix(ssh): modernize filesystem handling and package exports for NodeNext compatibility

ts/smartssh.classes.sshconfig.ts

@@ -12,11 +12,10 @@ export class SshConfig {
    * stores a config file
    */
   store(dirPathArg: string) {
-    let done = plugins.smartpromise.defer();
+    plugins.fs.ensureDirSync(dirPathArg);
     let configArray: configObject[] = [];
-    let configString;
-    for (let key in this._sshKeyArray) {
-      let sshKey = this._sshKeyArray[key];
+    for (const sshKey of this._sshKeyArray) {
+      let configString = '';
       if (sshKey.host) {
         configString =
           'Host ' +
@@ -38,18 +37,13 @@ export class SshConfig {
       });
     }
     let configFile: string = '';
-    for (let key in configArray) {
-      configFile = configFile + configArray[key].configString + '\n';
+    for (const config of configArray) {
+      configFile = configFile + config.configString + '\n';
     }
-    plugins.smartfile.memory.toFsSync(configFile, plugins.path.join(dirPathArg, 'config'));
-    return done.promise;
+    plugins.fs.writeFileSync(plugins.path.join(dirPathArg, 'config'), configFile);
   }
-  read(dirPathArg) {
-    let done = plugins.smartpromise.defer();
-    let configArray: configObject[];
-    plugins.smartfile.fs.toStringSync(plugins.path.join(dirPathArg, 'config'));
-
-    return done.promise;
+  read(dirPathArg: string) {
+    return plugins.fs.readFileSync(plugins.path.join(dirPathArg, 'config'), 'utf8');
   }
 }