string-pixel-width
Version:
String pixel width measurement on the backend in Javascript
147 lines (146 loc) • 4.26 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 class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Statements</span>
<span class='fraction'>17/17</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Branches</span>
<span class='fraction'>4/4</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Functions</span>
<span class='fraction'>3/3</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
<span class="quiet">Lines</span>
<span class='fraction'>16/16</span>
</div>
</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</td><td class="line-coverage quiet"><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">1x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">6x</span>
<span class="cline-any cline-yes">1x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">5x</span>
<span class="cline-any cline-yes">53x</span>
<span class="cline-any cline-yes">3x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">50x</span>
<span class="cline-any cline-yes">50x</span>
<span class="cline-any cline-yes">50x</span>
<span class="cline-any cline-neutral"> </span>
<span class="cline-any cline-yes">5x</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">import _ from 'lodash';
import widthsMap from './widthsMap';
const settingsDefaults = { font: 'Arial', size: 100 };
const toAscii = string => _.deburr(string);
const getWidth = (string, settings) => {
const sett = { ...settingsDefaults, ...settings };
const font = sett.font.toLowerCase();
const size = sett.size;
if (font !== 'arial') {
throw new Error('The only supported string is Arial only at this time.');
}
let totalWidth = 0;
toAscii(string).split('').forEach((char) => {
if (/[\x00-\x1F]/.test(char)) { // non-printable character
return true;
}
const width = widthsMap[font][char];
totalWidth += width;
return true;
});
return totalWidth * (size / 100);
};
export default getWidth;
</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="http://istanbul-js.org/" target="_blank">istanbul</a> at Tue Jan 03 2017 11:43:46 GMT+0100 (CET)
</div>
</div>
<script src="prettify.js"></script>
<script>
window.onload = function () {
if (typeof prettyPrint === 'function') {
prettyPrint();
}
};
</script>
<script src="sorter.js"></script>
</body>
</html>