[Breaking] Add setData method and rename data method to getData

Author: hum-n

package.json

@@ -1,6 +1,6 @@
 {
   "name": "modujs",
-  "version": "1.2.4",
+  "version": "1.3.0",
   "description": "Dead simple modular JavaScript framework for ES modules.",
   "repository": "modularorg/modularjs",
   "author": "Antoine Boulanger <hello@antoineboulanger.com> (https://antoineboulanger.com)",

readme.md

@@ -74,8 +74,9 @@ export {default as example} from './modules/example';
 | ------ | ----------- | ------- | 
 | `this.$('query'[, 'context'])` | Module scoped query selector. | `this.$('dropdown', e.currentTarget)` |
 | `this.parent('name', 'context')` | Module scoped parent selector. | `this.parent('item', e.currentTarget)` |
-| `this.data('name'[, 'context'])` | Get module or target data attribute. | `this.data('name', e.currentTarget)` |
 | `this.call('function', arg, 'module'[, 'id'])` | Call another module method. | `this.call('scrollTo', section, 'scroll', 'main')` |
+| `this.getData('name'[, 'context'])` | Get module or target data attribute. | `this.getData('name', e.currentTarget)` |
+| `this.setData('name', 'value'[, 'context'])` | Set module or target data attribute. | `this.setData('name', 'value', e.currentTarget)` |
 
 ## Custom methods
 | Method | Description |

src/module.js

@@ -112,11 +112,16 @@ export default class {
         }
     }
 
-    data(name, context) {
+    getData(name, context) {
         const target = context || this.el;
         return target.getAttribute(this.mAttr + '-' + name);
     }
 
+    setData(name, value, context) {
+        const target = context || this.el;
+        return target.setAttribute(this.mAttr + '-' + name, value);
+    }
+
     call(func, args, mod, id) {
         if (args && !mod) {
             mod = args;