Add Gitlab code quality reporter (#335)

Author: okuuva

src/cli/leasot.ts

@@ -39,7 +39,11 @@ program
     )
     .option('-i, --ignore <patterns>', 'add ignore patterns', list, [])
     .option('-I, --inline-files', 'parse possible inline files', false)
-    .option('-r, --reporter [reporter]', 'use reporter (table|json|xml|markdown|vscode|raw) (default: table)', 'table')
+    .option(
+        '-r, --reporter [reporter]',
+        'use reporter (table|json|xml|markdown|vscode|gitlab|raw) (default: table)',
+        'table'
+    )
     .option('-S, --skip-unsupported', 'skip unsupported filetypes', false)
     .option('-t, --filetype [filetype]', 'force the filetype to parse. Useful for streams (default: .js)')
     .option('-T, --tags <tags>', 'add additional comment types to find (alongside todo & fixme)', list, [])

src/definitions.ts

@@ -170,6 +170,10 @@ export enum BuiltinReporters {
      * @hidden
      */
     custom = 'custom',
+    /**
+     * Return a Gitlab code quality formatted json string of the todos
+     */
+    gitlab = 'gitlab',
     /**
      * Return a json string of the todos
      */

src/lib/reporters/gitlab.ts

@@ -0,0 +1,27 @@
+import crypto from 'crypto';
+
+import { ReportItems, TodoComment } from '../../definitions.js';
+import { JsonReporterConfig } from './json.js';
+
+export const reporter: ReportItems = (todos: TodoComment[], config: JsonReporterConfig = { spacing: 2 }): string =>
+    JSON.stringify(
+        todos.map((todo: TodoComment) => {
+            return {
+                description: `${todo.tag} ${todo.text}`,
+                check_name: 'leasot',
+                fingerprint: crypto
+                    .createHash('md5')
+                    .update(`${todo.tag}${todo.text}${todo.file}${todo.line}`)
+                    .digest('hex'),
+                severity: 'info',
+                location: {
+                    path: todo.file,
+                    lines: {
+                        begin: todo.line,
+                    },
+                },
+            };
+        }),
+        null,
+        config.spacing
+    );