Allow specifying the original name of nodes

See estools#118, estools/esmangle#85
iBelieve · May 3, 2020 · 53eea79 · 53eea79
1 parent a3b6718
commit 53eea79
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Showing 2 changed files with 7 additions and 5 deletions.
diff --git a/escodegen.js b/escodegen.js
@@ -526,9 +526,9 @@
             }
         }
         if (node.loc == null) {
-            return new SourceNode(null, null, sourceMap, generated, node.name || null);
+            return new SourceNode(null, null, sourceMap, generated, node.originalName || node.name || null);
         }
-        return new SourceNode(node.loc.start.line, node.loc.start.column, (sourceMap === true ? node.loc.source || null : sourceMap), generated, node.name || null);
+        return new SourceNode(node.loc.start.line, node.loc.start.column, (sourceMap === true ? node.loc.source || null : sourceMap), generated, node.originalName || node.name || null);
     }
 
     function noEmptySpace() {

diff --git a/test/source-map.js b/test/source-map.js
@@ -313,7 +313,8 @@ describe('source map test', function () {
                             "type": "VariableDeclarator",
                             "id": {
                                 "type": "Identifier",
-                                "name": "fooga",
+                                "name": "a",
+                                "originalName": "fooga",
                                 "loc": {
                                     "start": {
                                         "line": 1,
@@ -413,7 +414,8 @@ describe('source map test', function () {
                         "arguments": [
                             {
                                 "type": "Identifier",
-                                "name": "fooga",
+                                "name": "a",
+                                "originalName": "fooga",
                                 "loc": {
                                     "start": {
                                         "line": 3,
@@ -466,7 +468,7 @@ describe('source map test', function () {
             sourceMapWithCode: true
         });
 
-        expect(result.map._names._array.length).to.be.equal(3);
+        expect(result.map._names._array).to.be.eql(["fooga", "console", "log"]);
     });
 
     it('sourceContent support', function() {