Merge e3f1375 into 9e4e115

bem-sdk-archive · Dec 11, 2016 · 6da7e46 · 6da7e46
2 parents 9e4e115 + e3f1375
commit 6da7e46
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diff --git a/README.md b/README.md
@@ -43,6 +43,7 @@ const cell = new BemCell({
 cell.entity; // ➜ BemEntityName { block: 'button', elem: 'text' }
 cell.tech;   // css
 cell.layer;  // common
+cell.id;     // common/button__text.css
 ```
 
 License

diff --git a/index.js b/index.js
@@ -72,4 +72,23 @@ module.exports = class BemCell {
      * @returns {string} layer of cell.
      */
     get layer() { return this._layer; }
+
+    /**
+     * Returns the identifier of this cell.
+     *
+     * @example
+     * const BemCell = require('@bem/cell');
+     * const BemEntityName = require('@bem/entity-name');
+     *
+     * const cell = new BemCell({
+     *     entity: new BemEntityName({ block: 'button', elem: 'text' }),
+     *     tech: 'css',
+     *     layer: 'desktop'
+     * });
+     *
+     * cell.id; // ➜ "desktop/button__text.css"
+     *
+     * @returns {string} identifier of cell.
+     */
+    get id() { return `${this._layer}/${this._entity}.${this._tech}`; }
 };
diff --git a/test/fields.test.js b/test/fields.test.js
@@ -28,3 +28,13 @@ test('should provide `layer` field', t => {
 
     t.is(cell.layer, 'desktop');
 });
+
+test('should provide `id` field', t => {
+    const cell = new BemCell({
+        entity: new BemEntityName({ block: 'block' }),
+        layer: 'desktop',
+        tech: 'css'
+    });
+
+    t.is(cell.id, 'desktop/block.css');
+});