skip lint on build dir by means of .eslintignore generation

solves #483 solves #520
google · Jun 3, 2020 · 6424eba · 6424eba
1 parent d25e25e
commit 6424eba
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diff --git a/src/init.ts b/src/init.ts
@@ -181,6 +181,8 @@ export const ESLINT_CONFIG = {
   extends: './node_modules/gts/',
 };
 
+export const ESLINT_IGNORE = 'build/\n';
+
 async function generateConfigFile(
   options: Options,
   filename: string,
@@ -227,6 +229,10 @@ async function generateESLintConfig(options: Options): Promise<void> {
   );
 }
 
+async function generateESLintIgnore(options: Options): Promise<void> {
+  return generateConfigFile(options, './.eslintignore', ESLINT_IGNORE);
+}
+
 async function generateTsConfig(options: Options): Promise<void> {
   const config = formatJson({
     extends: './node_modules/gts/tsconfig-google.json',
@@ -308,6 +314,7 @@ export async function init(options: Options): Promise<boolean> {
   }
   await generateTsConfig(options);
   await generateESLintConfig(options);
+  await generateESLintIgnore(options);
   await generatePrettierConfig(options);
   await installDefaultTemplate(options);
 

diff --git a/test/kitchen.ts b/test/kitchen.ts
@@ -60,6 +60,7 @@ describe('🚰 kitchen sink', () => {
     // Ensure config files got generated.
     fs.accessSync(path.join(kitchenPath, 'tsconfig.json'));
     fs.accessSync(path.join(kitchenPath, '.eslintrc.json'));
+    fs.accessSync(path.join(kitchenPath, '.eslintignore'));
     fs.accessSync(path.join(kitchenPath, '.prettierrc.js'));
 
     // Compilation shouldn't have happened. Hence no `build` directory.
@@ -122,6 +123,11 @@ describe('🚰 kitchen sink', () => {
         .readFileSync(path.join(kitchenPath, '.eslintrc.json'), 'utf8')
         .endsWith('\n')
     );
+    assert.ok(
+      fs
+        .readFileSync(path.join(kitchenPath, '.eslintignore'), 'utf8')
+        .endsWith('\n')
+    );
   });
 
   it('should check before fix', async () => {