1 files changed, 249 insertions, 0 deletions
diff --git a/npm_assets/node_modules/justified-layout/lib/index.js b/npm_assets/node_modules/justified-layout/lib/index.js
new file mode 100644
index 0000000..f74bcf2
--- /dev/null
+++ b/npm_assets/node_modules/justified-layout/lib/index.js
@@ -0,0 +1,249 @@
+/*!
+ * Copyright 2019 SmugMug, Inc.
+ * Licensed under the terms of the MIT license. Please see LICENSE file in the project root for terms.
+ * @license
+ */
+
+'use strict';
+
+var merge = require('merge'),
+	Row = require('./row');
+
+/**
+ * Create a new, empty row.
+ *
+ * @method createNewRow
+ * @param layoutConfig {Object} The layout configuration
+ * @param layoutData {Object} The current state of the layout
+ * @return A new, empty row of the type specified by this layout.
+ */
+
+function createNewRow(layoutConfig, layoutData) {
+
+	var isBreakoutRow;
+
+	// Work out if this is a full width breakout row
+	if (layoutConfig.fullWidthBreakoutRowCadence !== false) {
+		if (((layoutData._rows.length + 1) % layoutConfig.fullWidthBreakoutRowCadence) === 0) {
+			isBreakoutRow = true;
+		}
+	}
+
+	return new Row({
+		top: layoutData._containerHeight,
+		left: layoutConfig.containerPadding.left,
+		width: layoutConfig.containerWidth - layoutConfig.containerPadding.left - layoutConfig.containerPadding.right,
+		spacing: layoutConfig.boxSpacing.horizontal,
+		targetRowHeight: layoutConfig.targetRowHeight,
+		targetRowHeightTolerance: layoutConfig.targetRowHeightTolerance,
+		edgeCaseMinRowHeight: 0.5 * layoutConfig.targetRowHeight,
+		edgeCaseMaxRowHeight: 2 * layoutConfig.targetRowHeight,
+		rightToLeft: false,
+		isBreakoutRow: isBreakoutRow,
+		widowLayoutStyle: layoutConfig.widowLayoutStyle
+	});
+}
+
+/**
+ * Add a completed row to the layout.
+ * Note: the row must have already been completed.
+ *
+ * @method addRow
+ * @param layoutConfig {Object} The layout configuration
+ * @param layoutData {Object} The current state of the layout
+ * @param row {Row} The row to add.
+ * @return {Array} Each item added to the row.
+ */
+
+function addRow(layoutConfig, layoutData, row) {
+
+	layoutData._rows.push(row);
+	layoutData._layoutItems = layoutData._layoutItems.concat(row.getItems());
+
+	// Increment the container height
+	layoutData._containerHeight += row.height + layoutConfig.boxSpacing.vertical;
+
+	return row.items;
+}
+
+/**
+ * Calculate the current layout for all items in the list that require layout.
+ * "Layout" means geometry: position within container and size
+ *
+ * @method computeLayout
+ * @param layoutConfig {Object} The layout configuration
+ * @param layoutData {Object} The current state of the layout
+ * @param itemLayoutData {Array} Array of items to lay out, with data required to lay out each item
+ * @return {Object} The newly-calculated layout, containing the new container height, and lists of layout items
+ */
+
+function computeLayout(layoutConfig, layoutData, itemLayoutData) {
+
+	var laidOutItems = [],
+		itemAdded,
+		currentRow,
+		nextToLastRowHeight;
+
+	// Apply forced aspect ratio if specified, and set a flag.
+	if (layoutConfig.forceAspectRatio) {
+		itemLayoutData.forEach(function (itemData) {
+			itemData.forcedAspectRatio = true;
+			itemData.aspectRatio = layoutConfig.forceAspectRatio;
+		});
+	}
+
+	// Loop through the items
+	itemLayoutData.some(function (itemData, i) {
+
+		if (isNaN(itemData.aspectRatio)) {
+			throw new Error("Item " + i + " has an invalid aspect ratio");
+		}
+
+		// If not currently building up a row, make a new one.
+		if (!currentRow) {
+			currentRow = createNewRow(layoutConfig, layoutData);
+		}
+
+		// Attempt to add item to the current row.
+		itemAdded = currentRow.addItem(itemData);
+
+		if (currentRow.isLayoutComplete()) {
+
+			// Row is filled; add it and start a new one
+			laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
+
+			if (layoutData._rows.length >= layoutConfig.maxNumRows) {
+				currentRow = null;
+				return true;
+			}
+
+			currentRow = createNewRow(layoutConfig, layoutData);
+
+			// Item was rejected; add it to its own row
+			if (!itemAdded) {
+
+				itemAdded = currentRow.addItem(itemData);
+
+				if (currentRow.isLayoutComplete()) {
+
+					// If the rejected item fills a row on its own, add the row and start another new one
+					laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
+					if (layoutData._rows.length >= layoutConfig.maxNumRows) {
+						currentRow = null;
+						return true;
+					}
+					currentRow = createNewRow(layoutConfig, layoutData);
+				}
+			}
+		}
+
+	});
+
+	// Handle any leftover content (orphans) depending on where they lie
+	// in this layout update, and in the total content set.
+	if (currentRow && currentRow.getItems().length && layoutConfig.showWidows) {
+
+		// Last page of all content or orphan suppression is suppressed; lay out orphans.
+		if (layoutData._rows.length) {
+
+			// Only Match previous row's height if it exists and it isn't a breakout row
+			if (layoutData._rows[layoutData._rows.length - 1].isBreakoutRow) {
+				nextToLastRowHeight = layoutData._rows[layoutData._rows.length - 1].targetRowHeight;
+			} else {
+				nextToLastRowHeight = layoutData._rows[layoutData._rows.length - 1].height;
+			}
+
+			currentRow.forceComplete(false, nextToLastRowHeight);
+
+		} else {
+
+			// ...else use target height if there is no other row height to reference.
+			currentRow.forceComplete(false);
+
+		}
+
+		laidOutItems = laidOutItems.concat(addRow(layoutConfig, layoutData, currentRow));
+		layoutConfig._widowCount = currentRow.getItems().length;
+
+	}
+
+	// We need to clean up the bottom container padding
+	// First remove the height added for box spacing
+	layoutData._containerHeight = layoutData._containerHeight - layoutConfig.boxSpacing.vertical;
+	// Then add our bottom container padding
+	layoutData._containerHeight = layoutData._containerHeight + layoutConfig.containerPadding.bottom;
+
+	return {
+		containerHeight: layoutData._containerHeight,
+		widowCount: layoutConfig._widowCount,
+		boxes: layoutData._layoutItems
+	};
+
+}
+
+/**
+ * Takes in a bunch of box data and config. Returns
+ * geometry to lay them out in a justified view.
+ *
+ * @method covertSizesToAspectRatios
+ * @param sizes {Array} Array of objects with widths and heights
+ * @return {Array} A list of aspect ratios
+ */
+
+module.exports = function (input, config) {
+	var layoutConfig = {};
+	var layoutData = {};
+
+	// Defaults
+	var defaults = {
+		containerWidth: 1060,
+		containerPadding: 10,
+		boxSpacing: 10,
+		targetRowHeight: 320,
+		targetRowHeightTolerance: 0.25,
+		maxNumRows: Number.POSITIVE_INFINITY,
+		forceAspectRatio: false,
+		showWidows: true,
+		fullWidthBreakoutRowCadence: false,
+		widowLayoutStyle: 'left'
+	};
+
+	var containerPadding = {};
+	var boxSpacing = {};
+
+	config = config || {};
+
+	// Merge defaults and config passed in
+	layoutConfig = merge(defaults, config);
+
+	// Sort out padding and spacing values
+	containerPadding.top = (!isNaN(parseFloat(layoutConfig.containerPadding.top))) ? layoutConfig.containerPadding.top : layoutConfig.containerPadding;
+	containerPadding.right = (!isNaN(parseFloat(layoutConfig.containerPadding.right))) ? layoutConfig.containerPadding.right : layoutConfig.containerPadding;
+	containerPadding.bottom = (!isNaN(parseFloat(layoutConfig.containerPadding.bottom))) ? layoutConfig.containerPadding.bottom : layoutConfig.containerPadding;
+	containerPadding.left = (!isNaN(parseFloat(layoutConfig.containerPadding.left))) ? layoutConfig.containerPadding.left : layoutConfig.containerPadding;
+	boxSpacing.horizontal = (!isNaN(parseFloat(layoutConfig.boxSpacing.horizontal))) ? layoutConfig.boxSpacing.horizontal : layoutConfig.boxSpacing;
+	boxSpacing.vertical = (!isNaN(parseFloat(layoutConfig.boxSpacing.vertical))) ? layoutConfig.boxSpacing.vertical : layoutConfig.boxSpacing;
+
+	layoutConfig.containerPadding = containerPadding;
+	layoutConfig.boxSpacing = boxSpacing;
+
+	// Local
+	layoutData._layoutItems = [];
+	layoutData._awakeItems = [];
+	layoutData._inViewportItems = [];
+	layoutData._leadingOrphans = [];
+	layoutData._trailingOrphans = [];
+	layoutData._containerHeight = layoutConfig.containerPadding.top;
+	layoutData._rows = [];
+	layoutData._orphans = [];
+	layoutConfig._widowCount = 0;
+
+	// Convert widths and heights to aspect ratios if we need to
+	return computeLayout(layoutConfig, layoutData, input.map(function (item) {
+		if (item.width && item.height) {
+			return { aspectRatio: item.width / item.height };
+		} else {
+			return { aspectRatio: item };
+		}
+	}));
+};