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[FEATURE] Ability to specify iconSize #195

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[FEATURE] Ability to specify iconSize #195

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16 changes: 11 additions & 5 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,15 +49,15 @@ const themedIcons = [

const ICONS_PER_LINE = 15;
const ONE_ICON = 48;
const SCALE = ONE_ICON / (300 - 44);

function generateSvg(iconNames, perLine) {
function generateSvg(iconNames, perLine, iconSize) {
const iconSvgList = iconNames.map(i => icons[i]);

const length = Math.min(perLine * 300, iconNames.length * 300) - 44;
const height = Math.ceil(iconSvgList.length / perLine) * 300 - 44;
const scaledHeight = height * SCALE;
const scaledWidth = length * SCALE;
const scale = iconSize / (300 - 44);
const scaledHeight = height * scale;
const scaledWidth = length * scale;

return `
<svg width="${scaledWidth}" height="${scaledHeight}" viewBox="0 0 ${length} ${height}" fill="none" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">
Expand Down Expand Up @@ -108,6 +108,12 @@ async function handleRequest(request) {
return new Response('Icons per line must be a number between 1 and 50', {
status: 400,
});
const iconSize = searchParams.get('iconsize') || ONE_ICON;
if (isNaN(iconSize)) {
return new Response('Icon size must be a number', {
status: 400,
});
}

let iconShortNames = [];
if (iconParam === 'all') iconShortNames = iconNameList;
Expand All @@ -119,7 +125,7 @@ async function handleRequest(request) {
status: 400,
});

const svg = generateSvg(iconNames, perLine);
const svg = generateSvg(iconNames, perLine, iconSize);

return new Response(svg, { headers: { 'Content-Type': 'image/svg+xml' } });
} else if (path === 'api/icons') {
Expand Down