added basic ignore

package.json

@@ -46,6 +46,7 @@
     "file-entry-cache": "^6.0.1",
     "flow-remove-types": "2.156.0",
     "glob": "^7.1.6",
+    "ignore": "^5.2.4",
     "json5": "^2.2.0",
     "ora": "^5.3.0",
     "read-pkg-up": "^7.0.1",

src/__tests__/cli.ts

@@ -854,7 +854,8 @@ export default promise
             "ignoreUnresolved": [],
             "ignoreUnimported": ["src/setup{Proxy,Tests}.js"],
             "ignoreUnused": [],
-            "ignorePatterns": ["**/node_modules/**", "**/*.d.ts"]
+            "ignorePatterns": ["**/node_modules/**", "**/*.d.ts"],
+            "respectGitignore": true
           }`,
         },
         { name: 'src/index.tsx', content: `import './imported';` },
@@ -1118,6 +1119,7 @@ cases(
         ignoreUnresolved: [],
         ignoreUnimported: [],
         ignoreUnused: [],
+        respectGitignore: true,
       },
     },
     {
@@ -1151,6 +1153,7 @@ cases(
         ignoreUnresolved: [],
         ignoreUnimported: [],
         ignoreUnused: ['@babel/runtime', 'meteor-node-stubs'],
+        respectGitignore: true,
       },
     },
   ],

src/__tests__/print.ts

@@ -17,6 +17,7 @@ describe('printResults', () => {
       ignoreUnimported: [],
       ignoreUnused: [],
       ignoreUnresolved: [],
+      respectGitignore: false,
     },
     showUnresolvedImports: false,
     showUnusedDeps: false,

src/__tests__/process.ts

@@ -24,6 +24,7 @@ describe('processResults', () => {
         ignoreUnimported: [],
         ignoreUnused: [],
         ignoreUnresolved: [],
+        respectGitignore: false,
       },
       showUnusedFiles: false,
       showUnusedDeps: false,
@@ -64,6 +65,7 @@ describe('processResults', () => {
         ignoreUnimported: [],
         ignoreUnused: [],
         ignoreUnresolved: [],
+        respectGitignore: false,
       },
       showUnusedFiles: false,
       showUnusedDeps: false,
@@ -104,6 +106,7 @@ describe('processResults', () => {
         ignoreUnimported: [],
         ignoreUnused: [],
         ignoreUnresolved: [],
+        respectGitignore: false,
       },
       showUnusedFiles: false,
       showUnusedDeps: true,
@@ -154,6 +157,7 @@ describe('processResults', () => {
         ignoreUnimported: [],
         ignoreUnused: [],
         ignoreUnresolved: [],
+        respectGitignore: false,
       },
       showUnusedFiles: true,
       showUnusedDeps: false,

src/config.ts

@@ -39,6 +39,7 @@ export interface UnimportedConfig {
   ignoreUnresolved: string[];
   ignoreUnimported: string[];
   ignoreUnused: string[];
+  respectGitignore?: boolean;
   moduleDirectory?: string[];
   rootDir?: string;
   extensions?: string[];
@@ -70,6 +71,7 @@ export interface Config {
   ignoreUnresolved: string[];
   ignoreUnimported: string[];
   ignoreUnused: string[];
+  respectGitignore: boolean;
   moduleDirectory?: string[];
   rootDir?: string;
   extensions: string[];
@@ -157,6 +159,7 @@ export async function getConfig(args?: CliArguments): Promise<Config> {
     ),
     ignoreUnused: configFile?.ignoreUnused ?? preset?.ignoreUnused ?? [],
     ignorePatterns: configFile?.ignorePatterns ?? preset?.ignorePatterns ?? [],
+    respectGitignore: configFile?.respectGitignore ?? true,
     moduleDirectory: configFile?.moduleDirectory ?? preset?.moduleDirectory,
     entryFiles: [],
     extensions: [],

src/index.ts

@@ -159,6 +159,7 @@ export async function main(args: CliArguments): Promise<void> {
         ignoreUnimported: config.ignoreUnimported,
         ignoreUnused: config.ignoreUnused,
         ignoreUnresolved: config.ignoreUnresolved,
+        respectGitignore: config.respectGitignore,
       });
 
       spinner.stop();

src/process.ts

@@ -1,6 +1,9 @@
+import ignore from 'ignore';
 import { TraverseResult } from './traverse';
 import { Context } from './index';
 import { ensureArray } from './ensureArray';
+import path from 'path';
+import { exists, readText } from './fs';
 
 export interface ProcessedResult {
   unresolved: [string, string[]][];
@@ -41,11 +44,23 @@ export async function processResults(
       !ignoreUnusedIdx[x],
   );
 
-  const unimported = files
+  let unimported = files
     .filter((x) => !traverseResult.files.has(x))
     .map((x) => x.replace(context.cwd + '/', ''))
     .filter((x) => !ignoreUnimportedIdx[x]);
 
+  if (context.config.respectGitignore && (await exists('.gitignore'))) {
+    const gitignore = (await readText('.gitignore')).split('\n');
+    const ig = ignore().add(gitignore);
+    unimported = ig
+      .filter(
+        unimported.map((x) =>
+          path.relative(context.cwd, path.resolve(context.cwd, x)),
+        ),
+      )
+      .map((x) => path.join(context.cwd, x));
+  }
+
   const formatTypeResultMap: { [P in FormatTypes]: boolean } = {
     showUnusedFiles: !unimported.length,
     showUnusedDeps: !unused.length,