feat: --debug prints time it takes to parse a file (#15609)

bartlomieju · mdjermanovic · web-flow · commit 115cae54125b · 2022-02-20T15:05:34.000+01:00
* feat: --debug prints time it takes to parse a file

* Update lib/linter/linter.js

Co-authored-by: Milos Djermanovic &lt;milos.djermanovic@gmail.com&gt;

* add separate logs for parsing and scope analysis

* lint

Co-authored-by: Milos Djermanovic &lt;milos.djermanovic@gmail.com&gt;
diff --git a/lib/linter/linter.js b/lib/linter/linter.js
@@ -800,14 +800,21 @@ function parse(text, languageOptions, filePath) {
      * problem that ESLint identified just like any other.
      */
     try {
+        debug("Parsing:", filePath);
         const parseResult = (typeof parser.parseForESLint === "function")
             ? parser.parseForESLint(textToParse, parserOptions)
             : { ast: parser.parse(textToParse, parserOptions) };
+
+        debug("Parsing successful:", filePath);
         const ast = parseResult.ast;
         const parserServices = parseResult.services || {};
         const visitorKeys = parseResult.visitorKeys || evk.KEYS;
+
+        debug("Scope analysis:", filePath);
         const scopeManager = parseResult.scopeManager || analyzeScope(ast, languageOptions, visitorKeys);
 
+        debug("Scope analysis successful:", filePath);
+
         return {
             success: true,
 
