@egstad/detect-theme
Version:
A micro ES6 module (~0.5KB) for detecting a users preferred-color-scheme and watching for changes.
130 lines (129 loc) • 3.48 kB
HTML
<html lang="en">
<head>
<title>Code coverage report for index.js</title>
<meta charset="utf-8" />
<link rel="stylesheet" href="prettify.css" />
<link rel="stylesheet" href="base.css" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<style type='text/css'>
.coverage-summary .sorter {
background-image: url(sort-arrow-sprite.png);
}
</style>
</head>
<body>
<div class='wrapper'>
<div class='pad1'>
<h1>
<a href="index.html">All files</a> index.js
</h1>
<div class='clearfix'>
</div>
</div>
<div class='status-line high'></div>
<pre><table class="coverage">
<tr><td class="line-count quiet">1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29</td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const mediaQuery = window.matchMedia("(prefers-color-scheme: dark)");
const watch = () => {
mediaQuery.addEventListener("change", get, false);
get()
}
const teardown = () => {
mediaQuery.removeEventListener("change", get, false);
}
export const get = () => {
const theme = ["dark", "light", "no-preference"].find(
(scheme) => window.matchMedia(`(prefers-color-scheme: ${scheme})`).matches
);
const event = new CustomEvent("colorSchemeUpdated", {
detail: {
theme,
},
});
window.dispatchEvent(event);
}
export default {
watch,
teardown,
get
};</pre></td></tr>
</table></pre>
<div class='push'></div><!-- for sticky footer -->
</div><!-- /wrapper -->
<div class='footer quiet pad2 space-top1 center small'>
Code coverage
generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Mon Nov 09 2020 06:01:53 GMT-0800 (Pacific Standard Time)
</div>
</div>
<script src="prettify.js"></script>
<script>
window.onload = function () {
if (typeof prettyPrint === 'function') {
prettyPrint();
}
};
</script>
<script src="sorter.js"></script>
</body>
</html>