feat(options): Add export=false option

README.md

@@ -68,7 +68,7 @@ Yields:
 
 #### `options`
 
-##### *String* exportType - determinate how to export bemjson. Default: `commonJS`
+##### *string* exportType - determinate how to export bemjson. Default: `commonJS`
 
 Value      | Description
 -----------|------------
@@ -78,7 +78,9 @@ Value      | Description
 `YModules` | Exports to [YModules](https://github.com/ymaps/modules). *Requires* exportName.
 `no export`| Don't do any export. Just plain `JSON.stringify`.
 
-##### *String* exportName - export bemjson with given name when use `modules`, `umd` or `YModules`.
+##### *string* exportName - export bemjson with given name when use `modules`, `umd` or `YModules`.
+
+##### *boolean* export - if `false` don't generate export. Default: `true` 
 
 ##### *Function* augment - callback called on every node. [Signature](https://github.com/birhoff/mdast-util-to-bemjson#augmentbemnodebemnode-important-must-return-bemnode). Option passed to [`mdast-util-to-bemjson`](https://github.com/birhoff/mdast-util-to-bemjson).
 

lib/defaults.js

@@ -1,5 +1,6 @@
 'use strict';
 
 module.exports = {
-    exportType: 'commonJS'
+    exportType: 'commonJS',
+    'export': true
 };

lib/exports.js

@@ -31,6 +31,8 @@ const ExportType = {
  * @returns {String}
  */
 function createExport(exportOptions, content) {
+    if (!content) return content;
+
     const type = exportOptions.type;
     const name = exportOptions.name;
     const exportFunction = exportFabric(type);

lib/index.js

@@ -22,7 +22,8 @@ function plugin(options) {
     function compiler(node, file) {
         const root = node && node.type && node.type === 'root';
         const bemjson = toBemjson(node, { augment: options.augment });
-        const bjsonString = JSON.stringify(bemjson, null, 4);
+
+        const bjsonString = options.export ? JSON.stringify(bemjson, null, 4) : '';
 
         if (file.extname) {
             file.extname = '.js';
@@ -32,6 +33,8 @@ function plugin(options) {
             file.stem = file.stem + '.bemjson';
         }
 
+        file.data = bemjson;
+
         return root ? createExport({ type: options.exportType, name: options.exportName }, bjsonString) : bjsonString;
     }
 }

test/test.js

@@ -55,4 +55,14 @@ describe('remark-bemjson()', () => {
 
         expect(bjsonFile.basename).to.equal('example.bemjson.js');
     });
+
+    it('should not generate content with export=false', () => {
+        const file = vFile({ path: '~/example.md', contents: 'Alpha *braavo* charlie.' });
+        file.extname = '.md';
+
+        const bjsonFile = remark().use(bemjson, { 'export': false }).processSync(file);
+
+        expect(bjsonFile.data).to.have.property('block', 'md-root');
+        expect(bjsonFile.toString()).to.equal('');
+    });
 });