diff --git a/scripts/gen-scoped-events.ts b/scripts/gen-scoped-events.ts
index cca0896be8..a7b93493ca 100644
--- a/scripts/gen-scoped-events.ts
+++ b/scripts/gen-scoped-events.ts
@@ -175,7 +175,7 @@ class ScopedEventGenerator {
           })
         }
       }
-      ts.forEachChild(node, child => { visit(sourceFile, child) })
+      ts.forEachChild(node, (child) => { visit(sourceFile, child) })
     }
     for (const sourceFile of this.packageSources) visit(sourceFile, sourceFile)
     return contracts
@@ -264,7 +264,7 @@ class ScopedEventGenerator {
     scopedBase: ts.Type,
     contracts: readonly ScopeTargetContract[],
   ): ts.Type | undefined {
-    const matches = contracts.filter(contract => {
+    const matches = contracts.filter((contract) => {
       return this.checker.isTypeAssignableTo(this.normalizedType(contract.baseType), this.normalizedType(scopedBase))
     })
     if (matches.length === 0) {
diff --git a/scripts/ts-project.ts b/scripts/ts-project.ts
index f82b4286c1..0b59aee873 100644
--- a/scripts/ts-project.ts
+++ b/scripts/ts-project.ts
@@ -13,10 +13,10 @@ interface ProjectGraph {
 
 const configHost: ts.ParseConfigFileHost = {
   useCaseSensitiveFileNames: ts.sys.useCaseSensitiveFileNames,
-  readDirectory: ts.sys.readDirectory,
-  fileExists: ts.sys.fileExists,
-  readFile: ts.sys.readFile,
-  getCurrentDirectory: ts.sys.getCurrentDirectory,
+  readDirectory: (...args) => ts.sys.readDirectory(...args),
+  fileExists: fileName => ts.sys.fileExists(fileName),
+  readFile: fileName => ts.sys.readFile(fileName),
+  getCurrentDirectory: () => ts.sys.getCurrentDirectory(),
   onUnRecoverableConfigFileDiagnostic(diagnostic) {
     throw new Error(ts.flattenDiagnosticMessageText(diagnostic.messageText, '\n'))
   },