fix(betterer 🐛): handle -1 column fixes #1202

packages/betterer/src/test/file-test/file.ts

@@ -103,10 +103,12 @@ function getIssueFromPositions(
     return null;
   }
   const [line, column, endLine, endColumn, message, overrideHash] = issueOverride;
-  const start = lc.indexForLocation({ line, column: Math.max(0, column) }) ?? 0;
-  const end = lc.indexForLocation({ line: endLine, column: Math.max(0, endColumn) }) ?? 0;
+  const absStartColumn = Math.max(0, column);
+  const absEndColumn = Math.max(0, endColumn);
+  const start = lc.indexForLocation({ line, column: absStartColumn }) ?? 0;
+  const end = lc.indexForLocation({ line: endLine, column: absEndColumn }) ?? 0;
   const length = end - start;
-  return [line, column, length, message, overrideHash];
+  return [line, absStartColumn, length, message, overrideHash];
 }
 
 function isPositions(issueOverride: BettererIssueOverride): issueOverride is BettererIssuePositions {

test/__snapshots__/eslint-no-column-rule.spec.ts.snap

@@ -0,0 +1,40 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`betterer > should handle eslint rules that mark the entire line of code 1`] = `
+"// BETTERER RESULTS V2.
+//
+// If this file contains merge conflicts, use \`betterer merge\` to automatically resolve them:
+// https://phenomnomnominal.github.io/betterer/docs/results-file/#merge
+//
+exports[\`test\`] = {
+  value: \`{
+    "src/index.ts:3395480044": [
+      [0, 0, 27, "Unexpected unlimited \\'eslint-disable-next-line\\' comment. Specify some rule names to disable.", "1912322876"],
+      [0, 0, 27, "Unexpected undescribed directive comment. Include descriptions to explain why the comment is necessary.", "1912322876"]
+    ]
+  }\`
+};
+"
+`;
+
+exports[`betterer > should handle eslint rules that mark the entire line of code 2`] = `
+[
+  "🌟 Betterer (0ms):
+",
+  "🌟 Betterer (0ms): 1 test running...
+🤔 test: running "test"!
+",
+  "🌟 Betterer (0ms): 1 test running...
+✅ test: "test" got checked for the first time! (2 issues) 🎉
+",
+  "🎉 Betterer (0ms): 1 test done!
+✅ test: "test" got checked for the first time! (2 issues) 🎉
+",
+  "🎉 Betterer (0ms): 1 test done!
+✅ test: "test" got checked for the first time! (2 issues) 🎉
+
+1 test got checked. 🤔
+1 test got checked for the first time! 🎉
+",
+]
+`;

test/eslint-no-column-rule.spec.ts

@@ -0,0 +1,69 @@
+import { describe, expect, it } from 'vitest';
+
+import { createFixture } from './fixture.js';
+
+describe('betterer', () => {
+  // See: https://github.com/phenomnomnominal/betterer/issues/1202
+  it('should handle eslint rules that mark the entire line of code', async () => {
+    const { betterer } = await import('@betterer/betterer');
+
+    const { logs, paths, readFile, cleanup, resolve, writeFile } = await createFixture('eslint-no-column-rule', {
+      '.betterer.ts': `
+import { eslint } from '@betterer/eslint';
+
+export default {
+  test: () => eslint({
+    rules: {
+      '@eslint-community/eslint-comments/require-description': 'error'
+    }
+  })
+  .include('./src/**/*.ts')
+};
+      `,
+      'eslint.config.js': `
+import eslint from '@eslint/js';
+import tslint from 'typescript-eslint';
+import comments from '@eslint-community/eslint-plugin-eslint-comments/configs';
+
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+export default tslint.config(
+  eslint.configs.recommended,
+  ...tslint.configs.recommended,
+  comments.recommended,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: "./tsconfig.json",
+        tsconfigRootDir: path.dirname(fileURLToPath(import.meta.url))
+      },
+    },
+  },
+  { rules: { '@eslint-community/eslint-comments/require-description': 'off' } }
+);
+      `,
+      'tsconfig.json': `
+{
+  "include": ["./src/**/*"]
+}
+      `
+    });
+
+    const configPaths = [paths.config];
+    const resultsPath = paths.results;
+    const indexPath = resolve('./src/index.ts');
+
+    await writeFile(indexPath, `// eslint-disable-next-line\ndebugger;`);
+
+    await betterer({ configPaths, resultsPath, workers: false });
+
+    const result = await readFile(resultsPath);
+
+    expect(result).toMatchSnapshot();
+
+    expect(logs).toMatchSnapshot();
+
+    await cleanup();
+  });
+});