1 files changed, 285 insertions, 0 deletions
diff --git a/resources/js/bricks.js b/resources/js/bricks.js
new file mode 100644
index 0000000..7758b05
--- /dev/null
+++ b/resources/js/bricks.js
@@ -0,0 +1,285 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(global.Bricks = factory());
+}(this, (function () { 'use strict';
+
+var _extends = Object.assign || function (target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i];
+
+    for (var key in source) {
+      if (Object.prototype.hasOwnProperty.call(source, key)) {
+        target[key] = source[key];
+      }
+    }
+  }
+
+  return target;
+};
+
+var knot = function knot() {
+  var extended = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  var events = Object.create(null);
+
+  function on(name, handler) {
+    events[name] = events[name] || [];
+    events[name].push(handler);
+    return this;
+  }
+
+  function once(name, handler) {
+    handler._once = true;
+    on(name, handler);
+    return this;
+  }
+
+  function off(name) {
+    var handler = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+    handler ? events[name].splice(events[name].indexOf(handler), 1) : delete events[name];
+
+    return this;
+  }
+
+  function emit(name) {
+    var _this = this;
+
+    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+      args[_key - 1] = arguments[_key];
+    }
+
+    // cache the events, to avoid consequences of mutation
+    var cache = events[name] && events[name].slice();
+
+    // only fire handlers if they exist
+    cache && cache.forEach(function (handler) {
+      // remove handlers added with 'once'
+      handler._once && off(name, handler);
+
+      // set 'this' context, pass args to handlers
+      handler.apply(_this, args);
+    });
+
+    return this;
+  }
+
+  return _extends({}, extended, {
+
+    on: on,
+    once: once,
+    off: off,
+    emit: emit
+  });
+};
+
+var bricks = function bricks() {
+  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  // privates
+
+  var persist = void 0; // packing new elements, or all elements?
+  var ticking = void 0; // for debounced resize
+
+  var sizeIndex = void 0;
+  var sizeDetail = void 0;
+
+  var columnTarget = void 0;
+  var columnHeights = void 0;
+
+  var nodeTop = void 0;
+  var nodeLeft = void 0;
+  var nodeWidth = void 0;
+  var nodeHeight = void 0;
+
+  var nodes = void 0;
+  var nodesWidths = void 0;
+  var nodesHeights = void 0;
+
+  // resolve options
+
+  var packed = options.packed.indexOf('data-') === 0 ? options.packed : 'data-' + options.packed;
+  var sizes = options.sizes.slice().reverse();
+  var position = options.position !== false;
+
+  var container = options.container.nodeType ? options.container : document.querySelector(options.container);
+
+  var selectors = {
+    all: function all() {
+      return toArray(container.children);
+    },
+    new: function _new() {
+      return toArray(container.children).filter(function (node) {
+        return !node.hasAttribute('' + packed);
+      });
+    }
+  };
+
+  // series
+
+  var setup = [setSizeIndex, setSizeDetail, setColumns];
+
+  var run = [setNodes, setNodesDimensions, setNodesStyles, setContainerStyles];
+
+  // instance
+
+  var instance = knot({
+    pack: pack,
+    update: update,
+    resize: resize
+  });
+
+  return instance;
+
+  // general helpers
+
+  function runSeries(functions) {
+    functions.forEach(function (func) {
+      return func();
+    });
+  }
+
+  // array helpers
+
+  function toArray(input) {
+    var scope = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : document;
+
+    return Array.prototype.slice.call(input);
+  }
+
+  function fillArray(length) {
+    return Array.apply(null, Array(length)).map(function () {
+      return 0;
+    });
+  }
+
+  // size helpers
+
+  function getSizeIndex() {
+    // find index of widest matching media query
+    return sizes.map(function (size) {
+      return size.mq && window.matchMedia('(min-width: ' + size.mq + ')').matches;
+    }).indexOf(true);
+  }
+
+  function setSizeIndex() {
+    sizeIndex = getSizeIndex();
+  }
+
+  function setSizeDetail() {
+    // if no media queries matched, use the base case
+    sizeDetail = sizeIndex === -1 ? sizes[sizes.length - 1] : sizes[sizeIndex];
+  }
+
+  // column helpers
+
+  function setColumns() {
+    columnHeights = fillArray(sizeDetail.columns);
+  }
+
+  // node helpers
+
+  function setNodes() {
+    nodes = selectors[persist ? 'new' : 'all']();
+  }
+
+  function setNodesDimensions() {
+    // exit if empty container
+    if (nodes.length === 0) {
+      return;
+    }
+
+    nodesWidths = nodes.map(function (element) {
+      return element.clientWidth;
+    });
+    nodesHeights = nodes.map(function (element) {
+      return element.clientHeight;
+    });
+  }
+
+  function setNodesStyles() {
+    nodes.forEach(function (element, index) {
+      columnTarget = columnHeights.indexOf(Math.min.apply(Math, columnHeights));
+
+      element.style.position = 'absolute';
+
+      nodeTop = columnHeights[columnTarget] + 'px';
+      nodeLeft = columnTarget * nodesWidths[index] + columnTarget * sizeDetail.gutter + 'px';
+
+      // support positioned elements (default) or transformed elements
+      if (position) {
+        element.style.top = nodeTop;
+        element.style.left = nodeLeft;
+      } else {
+        element.style.transform = 'translate3d(' + nodeLeft + ', ' + nodeTop + ', 0)';
+      }
+
+      element.setAttribute(packed, '');
+
+      // ignore nodes with no width and/or height
+      nodeWidth = nodesWidths[index];
+      nodeHeight = nodesHeights[index];
+
+      if (nodeWidth && nodeHeight) {
+        columnHeights[columnTarget] += nodeHeight + sizeDetail.gutter;
+      }
+    });
+  }
+
+  // container helpers
+
+  function setContainerStyles() {
+    container.style.position = 'relative';
+    container.style.width = sizeDetail.columns * nodeWidth + (sizeDetail.columns - 1) * sizeDetail.gutter + 'px';
+    container.style.height = Math.max.apply(Math, columnHeights) - sizeDetail.gutter + 'px';
+  }
+
+  // resize helpers
+
+  function resizeFrame() {
+    if (!ticking) {
+      window.requestAnimationFrame(resizeHandler);
+      ticking = true;
+    }
+  }
+
+  function resizeHandler() {
+    if (sizeIndex !== getSizeIndex()) {
+      pack();
+      instance.emit('resize', sizeDetail);
+    }
+
+    ticking = false;
+  }
+
+  // API
+
+  function pack() {
+    persist = false;
+    runSeries(setup.concat(run));
+
+    return instance.emit('pack');
+  }
+
+  function update() {
+    persist = true;
+    runSeries(run);
+
+    return instance.emit('update');
+  }
+
+  function resize() {
+    var flag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+    var action = flag ? 'addEventListener' : 'removeEventListener';
+
+    window[action]('resize', resizeFrame);
+
+    return instance;
+  }
+};
+
+return bricks;
+
+})));