angular-fast-repeat/dist/fastRepeat.min.js

Fast ng-repeat replacement

angular.module("gc.fastRepeat",[]).directive("fastRepeat",["$compile","$parse","$animate",function(a,b,c){"use strict";function d(a,b){return a.slice&&"$$"==a.slice(0,2)?void 0:b}function e(){return window.performance&&window.performance.now?window.performance.now():(new Date).getTime()}var f=angular.element,g=0,h=!1,i=/^(\d+\.\d+)\./.exec(angular.version.full)[1]>1.3;return{restrict:"A",transclude:"element",priority:1e3,compile:function(){return function(a,j,k,l,m){function n(){a.$$postDigest(function(){y.width(z.width()),w.$digest(),A(x,w,!0)})}function o(a,b){var c=w.$new(!1);c[s]=a,c.fastRepeatStatic=!1,c.fastRepeatDynamic=!0;var d=m(c,function(a){y.append(a)});return c.$$postDigest(function(){b(d)}),c.$digest(),c}var p,q=k.fastRepeat.split(" in "),r=q[1],s=q[0],t=b(r),u=b(k.fastRepeatDisableOpts)(a),v={},w=a.$new();w[s]=t(w)[0]||{},w.fastRepeatStatic=!0,w.fastRepeatDynamic=!1;var x=m(w,function(a){i?c.enabled(a,!1):c.enabled(!1,a)}),y=f("<div/>");f("body").append(y),w.$on("$destroy",function(){y.remove(),x.remove()}),y.css({position:"absolute",top:"-100%"});var z=j.parents().filter(function(){return"inline"!==f(this).css("display")}).first();y.width(z.width()),y.css({visibility:"hidden"}),y.append(x);var A=function(a,b,c){function d(c){return b[s]=c,b.$digest(),a.attr("fast-repeat-id",c.$$fastRepeatId),a.clone()}var e=t(b),h={};angular.forEach(e,function(a){a.$$fastRepeatId||(a.$$fastRepeatId=a.id?a.id:a._id?a._id:++g),h[a.$$fastRepeatId]=a}),angular.forEach(v,function(a,b){h[b]||a.el.detach()});var i=j;angular.forEach(e,function(a){var b=a.$$fastRepeatId,e=v[b];if(e){if(!e.compiled&&(c||!angular.equals(e.copy,a))||e.compiled&&e.item!==a){var g=d(a);e.el.replaceWith(g),e.el=g,e.copy=angular.copy(a),e.compiled=!1,e.item=a}}else u?(e={copy:angular.copy(a),item:a,el:f("<div/>"),compiled:!0},o(a,function(a){e.el.replaceWith(a),e.el=a})):e={copy:angular.copy(a),item:a,el:d(a)},v[b]=e;i.after(e.el.last()),i=e.el.last()})},B=!1;a.$watch(function(a){return JSON.stringify(t(a),d)},function(b){y.width(z.width()),B||(B=!0,h&&(p=e()),a.$$postDigest(function(){y.width(z.width()),w.$digest(),A(x,w),h&&(p=e()-p,console.log("Total time: ",p,"ms"),console.log("time per row: ",p/b.length)),B=!1}))},!1),k.fastRepeatWatch&&a.$watch(k.fastRepeatWatch,n,!0),a.$on("fastRepeatForceRedraw",n);var C=function(a){var b=f(this);if(!b.parents().filter("[fast-repeat-id]").length){a.stopPropagation();var c=b.attr("fast-repeat-id"),d=v[c].item,e=b.find("*").index(a.target),g=o(d,function(a){b.replaceWith(a),v[c]={compiled:!0,el:a,item:d},setTimeout(function(){e>=0?a.find("*").eq(e).trigger("click"):a.trigger("click")},0)});g.$digest()}};j.parent().on("click","[fast-repeat-id]",C);var D=function(){y.width(z.width())},E=f(window);E.on("resize",D),w.$on("$destroy",function(){E.off("resize",D),j.parent().off("click","[fast-repeat-id]",C)})}}}}]);