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simple-masonry-layout

v1.4.0

Published

Calculating masonry layouts based on rectangles, without being tied to the DOM.

Downloads

185

Readme

simple-masonry-layout Build Status

Calculating masonry layouts based on rectangles, without being tied to the DOM.

Installation

npm install simple-masonry-layout

Getting started

Importing

es6 import SimpleMasonry from 'simple-masonry-layout'

es5 var SimpleMasonry = require('simple-masonry-layout')

Browser global

When including simple-masonry.js inside of a <script> tag, SimpleMasonry will be attached to the window object.

Generating rectangles

SimpleMasonry only has a single public method: generateRectangles(options)

The only thing this method does is generate an array of rectangle objects which look like this:

  [{
    width: <number>,
    height: <number>,
    x: <number>,
    y: <number>
  }]

These rectangles will form your layout, it is up to you to render them on screen.

To do this generateRectangles will need you to give it an object with the following properties:

dimensions - Array

An array consisting of 'dimension' objects, which looks like this:

[{
  width: <number>,
  height: <number>
}]

The dimensions will be scaled proportionately so they'll fit inside of the columns.

columns - number (default: 3)

The number of columns you'd like to have.

width - number (default: 800)

The total width the layout should fill up.

gutter - number (default: 0)

The size of the gutters you'd like to have between elements.

gutterX - number (default: value of gutter)

The vertical gutter between elements.

gutterY - number (default: value of gutter)

The horizontal gutter between elements.

maxHeight - number (default: 0 - inactive)

The maximum height of each element.

collapsing - boolean (default: true)

If the rectangles should collapse into each other.

centering - boolean (default: false)
customize - function (default: (r) => r)

A function to customize the dimensions before they get positioned, simpleMasonry will map over this function. It should return the rectangle.

It receives the following arguments:

  • rectangle the current rectangle
  • i the current index
  • rectangles all rectangles
  • options the original options object passed

If number of columns is greater than number of rectangles, center the rectangles horizontally.

Code example

import SimpleMasonry from 'simple-masonry-layout'

// These values could come from anywhere, an api, measuring images in the browser etc.
const dimensions = [{
  width: 500,
  height: 800
}, {
  width: 900,
  height: 1000
},
...
]

const rectangles = SimpleMasonry.generateRectangles({
  dimensions,
  columns: 5,
  width: 1920,
  gutter: 20
})

// Now do something with the rectangles to render the layout

For a more detailed example please check out the examples directory.

React component

If you'd like to use it with react, please check out react-simple-masonry.