thodg/libgit2/tests/resources/userdiff/before/file.javascript

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• Hash : 082e82db
  Author :
  Date : 2014-01-27T11:45:06
  

  Update Javascript userdiff driver and tests Writing a sample Javascript driver pointed out some extra whitespace handling that needed to be done in the diff driver. This adds some tests with some sample javascript code that I pulled off of GitHub just to see what would happen. Also, to clean up the userdiff test data, I did a "git gc" and packed up the test objects.

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• tests/resources/userdiff/before/file.javascript

• /*
    Some code extracted from https://github.com/julianlloyd/scrollReveal.js
    which happens to be a trending Javascript repo with an MIT license at
    the time I was working on Javascript userdiff support in libgit2
  
    I extracted just some of the code, so I suspect this is no longer valid
    Javascript code, but it contains enough example patterns to work.
  */
  ;(function (window) {
  
    'use strict';
  
    var docElem = window.document.documentElement;
  
    function getViewportH () {
      var client = docElem['clientHeight'],
        inner = window['innerHeight'];
  
      return (client < inner) ? inner : client;
    }
  
    function getOffset (el) {
      var offsetTop = 0,
          offsetLeft = 0;
  
      do {
        if (!isNaN(el.offsetTop)) {
          offsetTop += el.offsetTop;
        }
        if (!isNaN(el.offsetLeft)) {
          offsetLeft += el.offsetLeft;
        }
      } while (el = el.offsetParent)
  
      return {
        top: offsetTop,
        left: offsetLeft
      }
    }
  
    function isElementInViewport (el, h) {
      var scrolled = window.pageYOffset,
          viewed = scrolled + getViewportH(),
          elH = el.offsetHeight,
          elTop = getOffset(el).top,
          elBottom = elTop + elH,
          h = h || 0;
  
      return (elTop + elH * h) <= viewed && (elBottom) >= scrolled;
    }
  
    scrollReveal.prototype = {
  
      _init: function () {
  
        var self = this;
  
        this.elems = Array.prototype.slice.call(docElem.querySelectorAll('[data-scrollReveal]'));
        this.scrolled = false;
  
    //  Initialize all scrollreveals, triggering all
    //  reveals on visible elements.
        this.elems.forEach(function (el, i) {
          self.animate(el);
        });
  
        var scrollHandler = function () {
          if (!self.scrolled) {
            self.scrolled = true;
            setTimeout(function () {
              self._scrollPage();
            }, 60);
          }
        };
  
        var resizeHandler = function () {
          function delayed() {
            self._scrollPage();
            self.resizeTimeout = null;
          }
          if (self.resizeTimeout) {
            clearTimeout(self.resizeTimeout);
          }
          self.resizeTimeout = setTimeout(delayed, 200);
        };
  
        window.addEventListener('scroll', scrollHandler, false);
        window.addEventListener('resize', resizeHandler, false);
      },
  
      /*=============================================================================*/
  
      _scrollPage: function () {
          var self = this;
  
          this.elems.forEach(function (el, i) {
              if (isElementInViewport(el, self.options.viewportFactor)) {
                  self.animate(el);
              }
          });
          this.scrolled = false;
      },
    }; // end scrollReveal.prototype
  
    document.addEventListener("DOMContentLoaded", function (evt) {
      window.scrollReveal = new scrollReveal();
    });
  
  })(window);
  

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