Fix report() for index/endIndex zero values (#7565)

* Fix end positions for CSS entities with a length of 1 at the start of a stylesheet

* also check index and update postcss

* Create red-fans-wait.md

.changeset/red-fans-wait.md

@@ -0,0 +1,5 @@
+---
+"stylelint": patch
+---
+
+Fixed: `report()` for `index`/`endIndex` zero values

lib/utils/report.cjs

@@ -106,13 +106,13 @@ function report(problem) {
 
 	if (problem.start) {
 		warningProperties.start = problem.start;
-	} else if (index) {
+	} else if (typeof index === 'number') {
 		warningProperties.index = index;
 	}
 
 	if (problem.end) {
 		warningProperties.end = problem.end;
-	} else if (endIndex) {
+	} else if (typeof endIndex === 'number') {
 		warningProperties.endIndex = endIndex;
 	}
 

lib/utils/report.mjs

@@ -102,13 +102,13 @@ export default function report(problem) {
 
 	if (problem.start) {
 		warningProperties.start = problem.start;
-	} else if (index) {
+	} else if (typeof index === 'number') {
 		warningProperties.index = index;
 	}
 
 	if (problem.end) {
 		warningProperties.end = problem.end;
-	} else if (endIndex) {
+	} else if (typeof endIndex === 'number') {
 		warningProperties.endIndex = endIndex;
 	}
 

package.json

@@ -188,7 +188,7 @@
     "micromatch": "^4.0.5",
     "normalize-path": "^3.0.0",
     "picocolors": "^1.0.0",
-    "postcss": "^8.4.35",
+    "postcss": "^8.4.38",
     "postcss-resolve-nested-selector": "^0.1.1",
     "postcss-safe-parser": "^7.0.0",
     "postcss-selector-parser": "^6.0.16",