Merge pull request #1 from Concatapult/master

Allow arbitrary strings in import statements

Author: tomitrescak

src/index.ts

@@ -1,4 +1,5 @@
-const importReg = /^import\s+((\* as )?\s*([\w_]+)\s*)?,?\s*(\{\s*([\w_,\s]*)\s\})?\s*(from\s+)?(['"][\._\-\w\/]+['"])/gm;
+const stringLiteral = `"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*'`;
+const importReg = new RegExp(`^import\\s+((\\* as )?\\s*([\\w_]+)\\s*)?,?\\s*(\\{\\s*([\\w_,\\s]*)\\s\\})?\\s*(from\\s+)?(${stringLiteral})`, 'gm');
 const exportRef = /^export\s+(default)?\s*(const|let|var|class|function|interface)?\s*([\w_]*)/mg;
 
 export default function transform(source: string) {

src/tests/transform_spec.ts

@@ -6,6 +6,9 @@ describe('transform', () => {
     const imp = "import 'Bar'";
     assert.equal(transform(imp), "require('Bar')");
 
+    const imp = "import 'arbitrary \\' string'";
+    assert.equal(transform(imp), "require('arbitrary \\' string')");
+
     const imp1 = "import * as Foo from 'Bar'";
     assert.equal(transform(imp1), "const Foo = require('Bar')");
   });