From 962d0babdc131e4353c4872a626bb9d9e98f26e2 Mon Sep 17 00:00:00 2001
From: Taegon Kim <gonom9@gmail.com>
Date: Fri, 4 Nov 2022 00:25:45 +0900
Subject: [PATCH] js: fix `match true {}` in the js backend (#16317)

---
 vlib/v/gen/js/js.v                     |  2 +-
 vlib/v/gen/js/tests/testdata/match.out |  3 ++-
 vlib/v/gen/js/tests/testdata/match.v   | 12 ++++++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/vlib/v/gen/js/js.v b/vlib/v/gen/js/js.v
index 13e0a097c9..7ec0ec470c 100644
--- a/vlib/v/gen/js/js.v
+++ b/vlib/v/gen/js/js.v
@@ -2431,7 +2431,7 @@ fn (mut g JsGen) match_expr(node ast.MatchExpr) {
 	}
 
 	if node.cond in [ast.Ident, ast.SelectorExpr, ast.IntegerLiteral, ast.StringLiteral, ast.FloatLiteral,
-		ast.CallExpr, ast.EnumVal] {
+		ast.BoolLiteral, ast.CallExpr, ast.EnumVal] {
 		cond_var = CondExpr{node.cond}
 	} else {
 		s := g.new_tmp_var()
diff --git a/vlib/v/gen/js/tests/testdata/match.out b/vlib/v/gen/js/tests/testdata/match.out
index a63d980ed6..19adfb61b7 100644
--- a/vlib/v/gen/js/tests/testdata/match.out
+++ b/vlib/v/gen/js/tests/testdata/match.out
@@ -1,4 +1,5 @@
 Vec2d(42,43)
 Vec2d(46,74,21)
 life
-V is running on JS
\ No newline at end of file
+V is running on JS
+c:
\ No newline at end of file
diff --git a/vlib/v/gen/js/tests/testdata/match.v b/vlib/v/gen/js/tests/testdata/match.v
index 6402f43aaf..00d3abd920 100644
--- a/vlib/v/gen/js/tests/testdata/match.v
+++ b/vlib/v/gen/js/tests/testdata/match.v
@@ -52,9 +52,21 @@ fn match_classic_string() {
 	}
 }
 
+fn match_bool_cond() {
+	volume := 'c:'
+	rooted := false
+	path_separator := '/'
+	println(match true {
+		volume.len != 0 { volume }
+		!rooted { '.' }
+		else { path_separator }
+	})
+}
+
 fn main() {
 	match_vec(Vec2d{42, 43})
 	match_vec(Vec3d{46, 74, 21})
 	match_classic_num()
 	match_classic_string()
+	match_bool_cond()
 }