From 7a8d0628580ca6a5f14858b3956f9a483671919d Mon Sep 17 00:00:00 2001
From: Tilman Stehr <tilman@tilman.ninja>
Date: Fri, 11 Oct 2024 14:08:39 +0200
Subject: [PATCH] feat: allow calls to plural function in
 no-expression-in-message (#48)

---
 src/rules/no-expression-in-message.ts            | 9 +++++++--
 tests/src/rules/no-expression-in-message.test.ts | 3 +++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/rules/no-expression-in-message.ts b/src/rules/no-expression-in-message.ts
index 6a7ad57..9d2e9e0 100644
--- a/src/rules/no-expression-in-message.ts
+++ b/src/rules/no-expression-in-message.ts
@@ -29,8 +29,13 @@ export const rule = createRule({
     return {
       'TemplateLiteral:exit'(node: TSESTree.TemplateLiteral) {
         const noneIdentifierExpressions = node.expressions
-          ? node.expressions.filter((expression: { type: string }) => {
-              return expression.type !== TSESTree.AST_NODE_TYPES.Identifier
+          ? node.expressions.filter((expression) => {
+              const isIdentifier = expression.type === TSESTree.AST_NODE_TYPES.Identifier
+              const isCallToPluralFunction =
+                expression.type === TSESTree.AST_NODE_TYPES.CallExpression &&
+                expression.callee.type === TSESTree.AST_NODE_TYPES.Identifier &&
+                expression.callee.name === 'plural'
+              return !isIdentifier && !isCallToPluralFunction
             })
           : []
 
diff --git a/tests/src/rules/no-expression-in-message.test.ts b/tests/src/rules/no-expression-in-message.test.ts
index 849b7f4..447fec9 100644
--- a/tests/src/rules/no-expression-in-message.test.ts
+++ b/tests/src/rules/no-expression-in-message.test.ts
@@ -28,6 +28,9 @@ ruleTester.run(name, rule, {
     {
       code: 't`Hello ${hello}`',
     },
+    {
+      code: 't`Hello ${plural()}`',
+    },
   ],
   invalid: [
     {