Ensure ESLint actually runs (#1572) (#2455)

In project mode, ESLint succeeds without doing anything when called without any files, so pass it the current directory.
oxsecurity · Apr 4, 2023 · e48717a · e48717a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,9 @@ Note: Can be used with `oxsecurity/megalinter@beta` in your GitHub Action mega-l
 - Medias
 
 - Linter enhancements & fixes
+  - Ensure ESLint actually runs in project mode rather than silently doing
+    nothing, by @Kurt-von-Laven
+    [#2455](https://github.com/oxsecurity/megalinter/pull/2455).
 
 - Core
 

diff --git a/megalinter/linters/EslintLinter.py b/megalinter/linters/EslintLinter.py
@@ -12,4 +12,6 @@ def build_lint_command(self, file=None):
         cmd = super().build_lint_command(file)
         if "--ignore-path" in cmd or "--ignore-pattern" in cmd:
             cmd = list(filter(lambda a: a != "--no-ignore", cmd))
+        if self.cli_lint_mode == "project":
+            cmd.append(".")
         return cmd