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fix(convertPathData): preserve vertex for markers only path #1967

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merged 2 commits into from
Mar 2, 2024
Merged

fix(convertPathData): preserve vertex for markers only path #1967

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c3c8b74
fix(convertPathData): preserve vertex for markers only path
SethFalco Mar 2, 2024
c5ee1bb
chore(applyTransforms): fix typo in comment
SethFalco Mar 2, 2024
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4 changes: 2 additions & 2 deletions plugins/applyTransforms.js
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Original file line number Diff line number Diff line change
Expand Up @@ -212,7 +212,7 @@ const applyMatrixToPathData = (pathData, matrix) => {
}

// horizontal lineto (x)
// convert to lineto to handle two-dimentional transforms
// convert to lineto to handle two-dimensional transforms
if (command === 'H') {
command = 'L';
args = [args[0], cursor[1]];
Expand All @@ -223,7 +223,7 @@ const applyMatrixToPathData = (pathData, matrix) => {
}

// vertical lineto (y)
// convert to lineto to handle two-dimentional transforms
// convert to lineto to handle two-dimensional transforms
if (command === 'V') {
command = 'L';
args = [cursor[0], args[0]];
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22 changes: 21 additions & 1 deletion plugins/convertPathData.js
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Original file line number Diff line number Diff line change
Expand Up @@ -172,10 +172,13 @@ export const fn = (root, params) => {
computedStyle['stroke-linejoin'].value === 'round'
: true;

var data = path2js(node);
let data = path2js(node);

// TODO: get rid of functions returns
if (data.length) {
const includesVertices = data.some(
(item) => item.command !== 'm' && item.command !== 'M',
);
convertToRelative(data);

data = filters(data, newParams, {
Expand All @@ -188,6 +191,23 @@ export const fn = (root, params) => {
data = convertToMixed(data, newParams);
}

const hasMarker =
node.attributes['marker-start'] != null ||
node.attributes['marker-end'] != null;
const isMarkersOnlyPath =
hasMarker &&
includesVertices &&
data.every(
(item) => item.command === 'm' || item.command === 'M',
);

if (isMarkersOnlyPath) {
data.push({
command: 'z',
args: [],
});
}

// @ts-ignore
js2path(node, data, newParams);
}
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30 changes: 30 additions & 0 deletions test/plugins/convertPathData.37.svg.txt
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@@ -0,0 +1,30 @@
Must preserve vertex for markers only path for consistent rendering across clients.
Must not add vertices if markers only path did not have commands other than M/m anyway.

See: https://github.com/svg/svgo/issues/1493

===

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 9 9">
<marker id="a" stroke="red" viewBox="0 0 5 5">
<circle cx="2" cy="2" r="1"/>
</marker>
<marker id="b" stroke="green" viewBox="0 0 5 5">
<circle cx="2" cy="2" r="0.5"/>
</marker>
<path marker-start="url(#a)" d="M5 5h0"/>
<path marker-start="url(#b)" d="M5 5"/>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 9 9">
<marker id="a" stroke="red" viewBox="0 0 5 5">
<circle cx="2" cy="2" r="1"/>
</marker>
<marker id="b" stroke="green" viewBox="0 0 5 5">
<circle cx="2" cy="2" r="0.5"/>
</marker>
<path marker-start="url(#a)" d="M5 5z"/>
<path marker-start="url(#b)" d="M5 5"/>
</svg>