support import statements (#4646)

2021-02-13 20:26:43 +00:00
parent a6bb66931b
commit b7219ac489
8 changed files with 312 additions and 10 deletions
--- a/test/mocha/imports.js
+++ b/test/mocha/imports.js
@@ -0,0 +1,28 @@
+var assert = require("assert");
+var UglifyJS = require("../node");
+
+describe("import", function() {
+    it("Should reject invalid `import` statement syntax", function() {
+        [
+            "import *;",
+            "import A;",
+            "import {};",
+            "import `path`;",
+            "import from 'path';",
+            "import * from 'path';",
+            "import A as B from 'path';",
+            "import { A }, B from 'path';",
+            "import * as A, B from 'path';",
+            "import * as A, {} from 'path';",
+            "import { * as A } from 'path';",
+            "import { 42 as A } from 'path';",
+            "import { A-B as C } from 'path';",
+        ].forEach(function(code) {
+            assert.throws(function() {
+                UglifyJS.parse(code);
+            }, function(e) {
+                return e instanceof UglifyJS.JS_Parse_Error;
+            }, code);
+        });
+    });
+});