fix map key parsing

ilya-klyuchnikov · facebook-github-bot · commit 3f42bfa751df · 2025-04-25T08:23:07.000-07:00
Summary: - as title

Reviewed By: michalmuskala, VLanvin, TD5

Differential Revision: D73665031

fbshipit-source-id: 3acb363db0c9640895ebae7fc9acc66575ab8f0f
diff --git a/eqwalizer/src/main/scala/com/whatsapp/eqwalizer/ast/Types.scala b/eqwalizer/src/main/scala/com/whatsapp/eqwalizer/ast/Types.scala
@@ -245,7 +245,7 @@ object Types {
         res = cur.strip() :: res
         res.reverse
       }
-      if (str.charAt(0) == '{') {
+      if (str.nonEmpty && str.charAt(0) == '{') {
         val substrs = split(str.substring(1, str.length - 1))
         TupleKey(substrs.map(parse))
       } else {

Original file line number	Diff line number	Diff line change
`@@ -245,7 +245,7 @@ object Types {`
`245`	`245`	`res = cur.strip() :: res`
`246`	`246`	`res.reverse`
`247`	`247`	`}`
`248`		`- if (str.charAt(0) == '{') {`
	`248`	`+ if (str.nonEmpty && str.charAt(0) == '{') {`
`249`	`249`	`val substrs = split(str.substring(1, str.length - 1))`
`250`	`250`	`TupleKey(substrs.map(parse))`
`251`	`251`	`} else {`