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@tschaub /.gitignore
Last active Feb 16, 2017

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OpenLayers + Rollup
/node_modules/
bundle.js

OpenLayers + Rollup

This example demonstrates how the ol package can be used with Rollup.

Clone the project.

git clone git@gist.github.com:8beb328ea72b36446fc2198d008287de.git ol-rollup

Install the project dependencies.

cd ol-rollup
npm install

Create a bundle for the browser.

npm run build

Open index.html to see the result.

open index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Using OpenLayers with Rollup</title>
<link rel="stylesheet" href="https://openlayers.org/en/latest/css/ol.css" type="text/css">
<style>
html, body {
margin: 0;
height: 100%;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
</style>
</head>
<body>
<div id="map"></div>
<script src="./bundle.js"></script>
</body>
</html>
import Map from 'ol/map';
import View from 'ol/view';
import TileLayer from 'ol/layer/tile';
import XYZ from 'ol/source/xyz';
new Map({
target: 'map',
layers: [
new TileLayer({
source: new XYZ({
url: 'https://{a-c}.tile.openstreetmap.org/{z}/{x}/{y}.png'
})
})
],
view: new View({
center: [0, 0],
zoom: 2
})
});
{
"name": "ol-rollup",
"version": "1.0.0",
"description": "Example using OpenLayers with Rollup",
"scripts": {
"build": "rollup --config rollup.config.js"
},
"devDependencies": {
"rollup": "^0.41.4",
"rollup-plugin-commonjs": "^7.0.0",
"rollup-plugin-node-resolve": "^2.0.0",
"rollup-plugin-uglify": "^1.0.1"
},
"dependencies": {
"ol": "^4.0.1-beta.2"
}
}
module.exports = {
entry: 'main.js',
targets: [
{dest: 'bundle.js', format: 'iife'}
],
plugins: [
require('rollup-plugin-node-resolve')(),
require('rollup-plugin-commonjs')(),
require('rollup-plugin-uglify')()
]
};
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