Change the index file format to use "export ... from" (fixes #3)

src/utilities/createIndexCode.js

@@ -0,0 +1,43 @@
+import _ from 'lodash';
+
+let buildExportBlock,
+    safeVariableName;
+
+safeVariableName = (fileName) => {
+    let indexOfDot;
+
+    indexOfDot = fileName.indexOf('.');
+
+    if (indexOfDot === -1) {
+        return fileName;
+    } else {
+        return fileName.slice(0, indexOfDot);
+    }
+};
+
+buildExportBlock = (files) => {
+    let importBlock;
+
+    importBlock = _.map(files, (fileName) => {
+        return 'export ' + safeVariableName(fileName) + ' from \'./' + fileName + '\';';
+    });
+
+    importBlock = importBlock.join('\n');
+
+    return importBlock;
+};
+
+export default (filePaths) => {
+    let code,
+        sortedFilePaths;
+
+    code = '\'create index\';\n\n';
+
+    if (filePaths.length) {
+        sortedFilePaths = filePaths.sort();
+
+        code += buildExportBlock(sortedFilePaths) + '\n\n';
+    }
+
+    return code;
+};