Don't re-write import * as ... from ... (#1083)

Author: Janther

src/nodes/ImportDirective.js

@@ -12,8 +12,15 @@ export const ImportDirective = {
     let document;
 
     if (node.unitAlias) {
-      // import "./Foo.sol" as Foo;
-      document = [importPath, ' as ', node.unitAlias];
+      // First we look for '*' between the beginning of the import and the
+      // beginning of the importPath
+      document = options.originalText
+        .slice(options.locStart(node), options.locStart(node.pathLiteral))
+        .includes('*')
+        ? // import * as Bar from "./Bar.sol";
+          ['* as ', node.unitAlias, ' from ', importPath]
+        : // import "./Foo.sol" as Foo;
+          [importPath, ' as ', node.unitAlias];
     } else if (node.symbolAliases) {
       // import { Foo, Bar as Qux } from "./Foo.sol";
       const compiler = coerce(options.compiler);

tests/format/ImportDirective/__snapshots__/jsfmt.spec.js.snap

@@ -16,7 +16,7 @@ import {symbol1 as alias1, symbol2 as alias2, symbol3 as alias3, symbol4} from "
 =====================================output=====================================
 import "SomeFile.sol";
 import "SomeFile.sol" as SomeOtherFile;
-import "AnotherFile.sol" as SomeSymbol;
+import * as SomeSymbol from "AnotherFile.sol";
 import { symbol1 as alias1, symbol2 } from "File.sol";
 import { symbol1 as alias1, symbol2 as alias2, symbol3 as alias3, symbol4 } from "File2.sol";
 
@@ -38,7 +38,7 @@ import {symbol1 as alias1, symbol2 as alias2, symbol3 as alias3, symbol4} from "
 =====================================output=====================================
 import "SomeFile.sol";
 import "SomeFile.sol" as SomeOtherFile;
-import "AnotherFile.sol" as SomeSymbol;
+import * as SomeSymbol from "AnotherFile.sol";
 import {symbol1 as alias1, symbol2} from "File.sol";
 import {symbol1 as alias1, symbol2 as alias2, symbol3 as alias3, symbol4} from "File2.sol";