ampersand-dom-bindings - npm Package Compare versions

Comparing version 2.2.0 to 2.3.0

ampersand-dom-bindings.js

@@ -79,2 +79,10 @@ var Store = require('key-tree-store');
         };
+    } else if (type === 'value') {
+        return function (el, value) {
+            getMatches(el, selector).forEach(function (match) {
+                if (!value && value !== 0) value = '';
+                match.value = value;
+            });
+            previousValue = value;
+        };
     } else if (type === 'booleanClass') {
@@ -81,0 +89,0 @@ // if there's a `no` case this is actually a switch

package.json

 {
   "name": "ampersand-dom-bindings",
   "description": "Takes binding declarations and returns key-tree-store of functions that can be used to apply those bindings.",
-  "version": "2.2.0",
+  "version": "2.3.0",
   "author": "'Henrik Joreteg' <[e-mail]>",
@@ -6,0 +6,0 @@ "bugs": {

README.md

@@ -56,2 +56,13 @@ # ampersand-dom-bindings
 
+### value
+
+sets the value of the element to match value of the property. works well for `input`, `select`, and `textarea` elements. treats `undefined`, `null`, and `NaN` as `''` (empty string).
+    
+```js
+'model.key': {
+    type: 'value',
+    selector: '#something', // or role
+}
+```
+
 ### booleanClass
@@ -58,0 +69,0 @@

test/index.js

@@ -79,2 +79,35 @@ var test = require('tape');
 
+test('value bindings', function (t) {
+    var input = getEl('<input class="thing" type="text">');
+    var select = getEl('<select class="thing"><option value=""></option><option value="hello"></option><option value="string"></option></select>');
+    var textarea = getEl('<textarea class="thing"></textarea>');
+
+    [input, select, textarea].forEach(function (el) {
+        var bindings = domBindings({
+            'model': {
+                type: 'value',
+                selector: '.thing'
+            }
+        });
+
+        t.equal(el.firstChild.value, '');
+        bindings.run('model', null, el, 'hello');
+        t.equal(el.firstChild.value, 'hello');
+
+        bindings.run('model', null, el, 'string');
+        t.equal(el.firstChild.value, 'string');
+
+        bindings.run('model', null, el, void 0);
+        t.equal(el.firstChild.value, '');
+
+        bindings.run('model', null, el, null);
+        t.equal(el.firstChild.value, '');
+
+        bindings.run('model', null, el, NaN);
+        t.equal(el.firstChild.value, '');
+    });
+
+    t.end();
+});
+
 /*
@@ -81,0 +114,0 @@ ### booleanClass

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Improved metrics

Total package byte prevSize

17548

increased by10.25%

Lines of code

289

increased by12.89%

Number of lines in readme file

246

increased by4.68%

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Number of medium supply chain risk alerts

1

increased byInfinity%

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