From 86e9011eca4cbc6de539ba93afbea7b762a6c1a0 Mon Sep 17 00:00:00 2001
From: Vladislav Botvin <darkvlados@gmail.com>
Date: Fri, 29 Mar 2019 16:51:08 +0300
Subject: [PATCH] fix: allFiles as set

---
 src/core.ts         |  4 ++--
 src/dependencies.ts | 16 ++++++++--------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/core.ts b/src/core.ts
index 03e957c..45915d1 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -31,14 +31,14 @@ export async function lint(
   const program = ts.createProgram(rootNames, compilerOptions, undefined, oldProgram)
   const checker = program.getTypeChecker()
 
-  const allFiles = {} as {[file: string]: boolean}
+  const allFiles = new Set<string>()
   const sourceFileInfos: SourceFileInfo[] = []
   const typeCheckResult = await readCache(enableCache)
   for (const sourceFile of program.getSourceFiles()) {
     let file = sourceFile.fileName
     if (!file.includes('node_modules') && (!files || files.includes(file))) {
       file = path.relative(process.cwd(), file)
-      allFiles[file] = true
+      allFiles.add(file)
       const hash = await getFileHash(file, enableCache)
       const cache = typeCheckResult.cache[file]
       sourceFileInfos.push({
diff --git a/src/dependencies.ts b/src/dependencies.ts
index 94631b7..3ad7639 100644
--- a/src/dependencies.ts
+++ b/src/dependencies.ts
@@ -3,7 +3,7 @@ import * as path from 'path'
 
 import { SourceFileInfo } from './interfaces'
 
-export function collectDependencies(sourceFileInfos: SourceFileInfo[], allFiles: {[file: string]: boolean}) {
+export function collectDependencies(sourceFileInfos: SourceFileInfo[], allFiles: Set<string>) {
   const dependencies: [string, string][] = []
   for (const { sourceFile, file } of sourceFileInfos) {
     sourceFile.forEachChild(node => {
@@ -26,34 +26,34 @@ export function collectDependencies(sourceFileInfos: SourceFileInfo[], allFiles:
   return dependencies
 }
 
-function resolveImport(moduleName: string, allFiles: {[file: string]: boolean}) {
+function resolveImport(moduleName: string, allFiles: Set<string>) {
   let resolveResult = moduleName + '.ts'
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }
 
   resolveResult = moduleName + '.tsx'
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }
 
   resolveResult = moduleName + '.d.ts'
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }
 
   resolveResult = path.resolve(moduleName, 'index.ts')
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }
 
   resolveResult = path.resolve(moduleName, 'index.tsx')
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }
 
   resolveResult = path.resolve(moduleName, 'index.d.ts')
-  if (allFiles[resolveResult]) {
+  if (allFiles.has(resolveResult)) {
     return resolveResult
   }