fix: function declaration assignment now retains function name (#33)

istanbuljs · Dec 27, 2016 · 2d781da · 2d781da
1 parent 52b94d2
commit 2d781da
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/src/visitor.js b/src/visitor.js
@@ -189,6 +189,12 @@ class VisitState {
                 end: { line: n.loc.start.line, column: n.loc.start.column + 1 }
             };
         }
+        if (!n.id) {
+            const decl = path.find(node => node.isVariableDeclarator());
+            if (decl) {
+                n.id = decl.get('id').node;
+            }
+        }
         const name = path.node.id ? path.node.id.name : path.node.name;
         const index = this.cov.newFunction(name, dloc, path.node.body.loc);
         const increment = this.increase('f', index, null);

diff --git a/test/specs/functions.yaml b/test/specs/functions.yaml
@@ -95,3 +95,15 @@ tests:
     branches: {'0': [0, 1]}
     functions: {'0': 1, '1': 1}
     statements: {'0': 1, '1': 1, '2': 1 }
+
+---
+name: function declaration assignment name
+code: |
+  const foo = function() {}
+  output = foo.name;
+tests:
+  - name: properly sets function name
+    out: 'foo'
+    lines: {'1': 1, '2': 1}
+    functions: {'0': 0}
+    statements: {'0': 1, '1': 1}