Merge pull request #1106 from simlu/dev

feat: added c8-prevent-ignore

src/rules/c8-prevent-ignore.js

@@ -0,0 +1,17 @@
+module.exports = {
+  create: (context) => {
+    const sourceCode = context.getSourceCode();
+
+    const testComment = (node) => {
+      if (node.value.startsWith(' c8 ignore ')) {
+        context.report({ node, message: 'Not allowed to ignore coverage in this file.' });
+      }
+    };
+
+    return {
+      Program() {
+        sourceCode.getAllComments().filter((token) => token.type !== 'Shebang').forEach(testComment);
+      }
+    };
+  }
+};

test/index.spec.js

@@ -5,6 +5,7 @@ const index = require('../src/index');
 describe('Testing index', () => {
   it('Test Exported Rules', () => {
     expect(Object.keys(index.rules).sort()).to.deep.equal([
+      'c8-prevent-ignore',
       'istanbul-prevent-ignore',
       'kebab-case-enforce',
       'prevent-typeof-object'

test/rules/c8-prevent-ignore.spec.js

@@ -0,0 +1,15 @@
+const rule = require('../../src/rules/c8-prevent-ignore');
+const tester = require('./rule-tester');
+
+tester.run('c8-prevent-ignore', rule, {
+  valid: [
+    '/* some comment */',
+    '// c8 ignore'
+  ],
+  invalid: [
+    {
+      code: '/* c8 ignore */',
+      errors: ['Not allowed to ignore coverage in this file.']
+    }
+  ]
+});