From 10c8b56981d89c19843a847744c5a4e6034a6f21 Mon Sep 17 00:00:00 2001
From: Bogdan Chadkin <trysound@yandex.ru>
Date: Sat, 6 Mar 2021 01:24:57 +0300
Subject: [PATCH] Fix collapsing repeated with marker-mid in style rule

---
 plugins/convertPathData.js          | 26 ++++++++++++--------------
 test/plugins/convertPathData.03.svg | 24 ++++++++++++++++++++----
 test/regression.js                  |  1 -
 3 files changed, 32 insertions(+), 19 deletions(-)

diff --git a/plugins/convertPathData.js b/plugins/convertPathData.js
index b899391a2..ba815fcdd 100644
--- a/plugins/convertPathData.js
+++ b/plugins/convertPathData.js
@@ -1,6 +1,9 @@
 'use strict';
 
 const { computeStyle } = require('../lib/style.js');
+const { pathElems } = require('./_collections.js');
+const { path2js, js2path, applyTransforms } = require('./_path.js');
+const { cleanupOutData } = require('../lib/svgo/tools');
 
 exports.type = 'perItem';
 
@@ -30,17 +33,11 @@ exports.params = {
   forceAbsolutePath: false,
 };
 
-var pathElems = require('./_collections.js').pathElems,
-  path2js = require('./_path.js').path2js,
-  js2path = require('./_path.js').js2path,
-  applyTransforms = require('./_path.js').applyTransforms,
-  cleanupOutData = require('../lib/svgo/tools').cleanupOutData,
-  roundData,
-  precision,
-  error,
-  arcThreshold,
-  arcTolerance,
-  hasMarkerMid;
+let roundData;
+let precision;
+let error;
+let arcThreshold;
+let arcTolerance;
 
 /**
  * Convert absolute Path to relative,
@@ -69,7 +66,7 @@ exports.fn = function (item, params) {
       arcThreshold = params.makeArcs.threshold;
       arcTolerance = params.makeArcs.tolerance;
     }
-    hasMarkerMid = item.hasAttr('marker-mid');
+    const hasMarkerMid = computedStyle['marker-mid'] != null;
 
     const maybeHasStroke =
       computedStyle.stroke &&
@@ -93,6 +90,7 @@ exports.fn = function (item, params) {
 
       data = filters(data, params, {
         maybeHasStrokeAndLinecap,
+        hasMarkerMid,
       });
 
       if (params.utilizeAbsolute) {
@@ -256,7 +254,7 @@ function convertToRelative(path) {
  * @param {Object} params plugin params
  * @return {Array} output path data
  */
-function filters(path, params, { maybeHasStrokeAndLinecap }) {
+function filters(path, params, { maybeHasStrokeAndLinecap, hasMarkerMid }) {
   var stringify = data2Path.bind(null, params),
     relSubpoint = [0, 0],
     pathBase = [0, 0],
@@ -499,7 +497,7 @@ function filters(path, params, { maybeHasStrokeAndLinecap }) {
       // h 20 h 30 -> h 50
       if (
         params.collapseRepeated &&
-        !hasMarkerMid &&
+        hasMarkerMid === false &&
         'mhv'.indexOf(instruction) > -1 &&
         prev.instruction &&
         instruction == prev.instruction.toLowerCase() &&
diff --git a/test/plugins/convertPathData.03.svg b/test/plugins/convertPathData.03.svg
index c3253bd30..f7330c34f 100644
--- a/test/plugins/convertPathData.03.svg
+++ b/test/plugins/convertPathData.03.svg
@@ -13,11 +13,19 @@
     <path d="M 10,50 Q 30,60 30,70 T 40,70 50,90"/>
     <path d="M 10,50 A 20,60 45 0,1 40,70 A 30,50 -30 1,1 50,70"/>
     <path d="M 10,50 A 20,60 45 0,1 40,70 30,50 -30 1,1 50,70"/>
+    <style>
+      .marker-mid { marker-mid: url(#); }
+    </style>
+    <path d="M0,0 0,5 0,10" class="marker-mid"/>
     <path d="M0,0 0,5 0,10" marker-mid="url(#)"/>
+    <style>
+      .linecap-round { stroke: black; stroke-linecap: round; }
+      .linecap-butt { stroke: black; stroke-linecap: butt; }
+    </style>
     <path d="M0,0 0,0" stroke="black" stroke-linecap="round"/>
-    <path d="M0,0 0,0" style="stroke: black; stroke-linecap: round;"/>
+    <path d="M0,0 0,0" class="linecap-round"/>
     <path d="M0,0 0,0" stroke="black" stroke-linecap="butt"/>
-    <path d="M0,0 0,0" style="stroke: black; stroke-linecap: butt;"/>
+    <path d="M0,0 0,0" class="linecap-butt"/>
 </svg>
 
 @@@
@@ -37,9 +45,17 @@
     <path d="M10 50q20 10 20 20t10 0 10 20"/>
     <path d="M10 50a20 60 45 0 1 30 20 30 50-30 1 1 10 0"/>
     <path d="M10 50a20 60 45 0 1 30 20 30 50-30 1 1 10 0"/>
+    <style>
+        .marker-mid { marker-mid: url(#); }
+    </style>
+    <path d="M0 0v5 5" class="marker-mid"/>
     <path d="M0 0v5 5" marker-mid="url(#)"/>
+    <style>
+        .linecap-round { stroke: black; stroke-linecap: round; }
+      .linecap-butt { stroke: black; stroke-linecap: butt; }
+    </style>
     <path d="M0 0h0" stroke="black" stroke-linecap="round"/>
-    <path d="M0 0h0" style="stroke:black;stroke-linecap:round"/>
+    <path d="M0 0h0" class="linecap-round"/>
     <path d="M0 0" stroke="black" stroke-linecap="butt"/>
-    <path d="M0 0" style="stroke:black;stroke-linecap:butt"/>
+    <path d="M0 0" class="linecap-butt"/>
 </svg>
diff --git a/test/regression.js b/test/regression.js
index 339c1c505..ef51e054c 100644
--- a/test/regression.js
+++ b/test/regression.js
@@ -108,7 +108,6 @@ const runTests = async ({ svgFiles }) => {
       // unstable test
       name === 'filters-light-04-f' ||
       // mismatched draft cases
-      name === 'imp-path-01-f' ||
       name === 'interact-pointer-04-f' ||
       name === 'painting-marker-properties-01-f' ||
       name === 'pservers-pattern-05-f' ||