paged - npm Package Compare versions

Comparing version 0.0.3 to 0.0.4

package.json

 {
   "name": "paged",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "A paged/tabbed module for the browser",
@@ -5,0 +5,0 @@ "main": "paged.js",

paged.js

@@ -16,2 +16,3 @@ module.exports = Paged
   this.transitionSpeed = nofx ? 0 : 150
+  this.loop = true
 }
@@ -44,2 +45,5 @@
 
+  // Do no work on invalid input
+  if (index < 0 || index >= this.sections.length) return
+
   this.emit('change', index)
@@ -54,3 +58,3 @@
 
-  if (!nofx) {
+  if (this.transitionSpeed > 0 && !nofx) {
 
@@ -84,2 +88,32 @@ this.sections.not(section)
 /*
+ * Convenience method for moving to the next section.
+ * Adds loop functionality if `this.loop` is true.
+ */
+Paged.prototype.next = function () {
+  if (this.current === this.sections.length - 1) {
+    if (this.loop) {
+      return this.goTo(0)
+    } else {
+      return
+    }
+  }
+  return this.goTo(this.current + 1)
+}
+
+/*
+ * Convenience method for moving to the previous section.
+ * Adds loop functionality if `this.loop` is true.
+ */
+Paged.prototype.prev = function () {
+  if (this.current === 0) {
+    if (this.loop) {
+      return this.goTo(this.sections.length - 1)
+    } else {
+      return
+    }
+  }
+  return this.goTo(this.current - 1)
+}
+
+/*
  * Reset the viewport height
@@ -86,0 +120,0 @@ */

test/paged.test.js

@@ -7,3 +7,3 @@ require('./test-env')
 
-describe('modal', function () {
+describe('paged', function () {
 
@@ -86,7 +86,89 @@ afterEach(function () {
       })
+      paged.goTo(2, true)
+    })
+
+    it('should do no work on invalid input', function () {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.init()
+      paged.on('change', function (i) {
+        assert(false)
+      })
+      paged.goTo(10, true)
+      paged.goTo(-21, true)
+      paged.goTo(3, true)
+    })
+
+  })
+
+  describe('next()', function () {
+
+    it('should go to the next page', function (done) {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.init()
+      paged.on('change', function (i) {
+        assert.equal(i, 1)
+        done()
+      })
+      paged.next()
+    })
+
+    it('should loop back to the start if the loop option is set', function (done) {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.loop = true
+      paged.init()
+      paged.goTo(paged.sections.length - 1)
+      paged.on('change', function (i) {
+        assert.equal(i, 0)
+        done()
+      })
+      paged.next()
+    })
+
+    it('should not loop if loop options is set to false', function () {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.loop = false
+      paged.init()
+      paged.goTo(paged.sections.length - 1)
+      paged.on('change', function (i) {
+        assert(false)
+      })
+      paged.next()
+    })
+
+  })
+
+  describe('prev()', function () {
+    it('should go to the previous page', function (done) {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.init()
       paged.goTo(2)
+      paged.on('change', function (i) {
+        assert.equal(i, 1)
+        done()
+      })
+      paged.prev()
     })
 
+    it('should loop back to the end if the loop option is set', function (done) {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.loop = true
+      paged.init()
+      paged.on('change', function (i) {
+        assert.equal(i, paged.sections.length - 1)
+        done()
+      })
+      paged.prev()
+    })
+
+    it('should not loop if loop option is set to false', function () {
+      var paged = new Paged($('.js-tabbed-widget'), $('.js-tabs').children(), true)
+      paged.loop = false
+      paged.init()
+      paged.on('change', function (i) {
+        assert(false)
+      })
+      paged.prev()
+    })
   })
 
 })

No alert changes

Improved metrics

Total package byte prevSize

9368

50.35%

Lines of code

247

72.73%

No dependency changes