Add JS files

port/js/shortcuts/inview.js

@@ -0,0 +1,103 @@
+/*!
+Waypoints Inview Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  function noop() {}
+
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/shortcuts/inview */
+  function Inview(options) {
+    this.options = Waypoint.Adapter.extend({}, Inview.defaults, options)
+    this.axis = this.options.horizontal ? 'horizontal' : 'vertical'
+    this.waypoints = []
+    this.createWaypoints()
+  }
+
+  /* Private */
+  Inview.prototype.createWaypoints = function() {
+    var configs = {
+      vertical: [{
+        down: 'enter',
+        up: 'exited',
+        offset: '100%'
+      }, {
+        down: 'entered',
+        up: 'exit',
+        offset: 'bottom-in-view'
+      }, {
+        down: 'exit',
+        up: 'entered',
+        offset: 0
+      }, {
+        down: 'exited',
+        up: 'enter',
+        offset: function() {
+          return -this.adapter.outerHeight()
+        }
+      }],
+      horizontal: [{
+        right: 'enter',
+        left: 'exited',
+        offset: '100%'
+      }, {
+        right: 'entered',
+        left: 'exit',
+        offset: 'right-in-view'
+      }, {
+        right: 'exit',
+        left: 'entered',
+        offset: 0
+      }, {
+        right: 'exited',
+        left: 'enter',
+        offset: function() {
+          return -this.adapter.outerWidth()
+        }
+      }]
+    }
+
+    for (var i = 0, end = configs[this.axis].length; i < end; i++) {
+      var config = configs[this.axis][i]
+      this.createWaypoint(config)
+    }
+  }
+
+  /* Private */
+  Inview.prototype.createWaypoint = function(config) {
+    var self = this
+    this.waypoints.push(new Waypoint({
+      element: this.options.element,
+      handler: (function(config) {
+        return function(direction) {
+          self.options[config[direction]].call(this, direction)
+        }
+      }(config)),
+      offset: config.offset,
+      horizontal: this.options.horizontal
+    }))
+  }
+
+  /* Public */
+  Inview.prototype.destroy = function() {
+    for (var i = 0, end = this.waypoints.length; i < end; i++) {
+      this.waypoints[i].destroy()
+    }
+    this.waypoints = []
+  }
+
+  Inview.defaults = {
+    enter: noop,
+    entered: noop,
+    exit: noop,
+    exited: noop
+  }
+
+  Waypoint.Inview = Inview
+}())
+;