From 39332ee3d040aa74b931c82c327c106eed361f9e Mon Sep 17 00:00:00 2001
From: David Beitey <david@davidjb.com>
Date: Tue, 23 Jun 2020 23:33:46 +1000
Subject: [PATCH] Add svg linter to check center

See https://github.com/simple-icons/simple-icons/pull/3107#issuecomment-648089119
---
 .svglintrc.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.svglintrc.js b/.svglintrc.js
index 6b248565644a..492213b40b75 100644
--- a/.svglintrc.js
+++ b/.svglintrc.js
@@ -80,6 +80,17 @@ module.exports = {
               reporter.error("Unexpected character(s) detected outside the opening and/or closing <svg> tags");
             }
           },
+          function(reporter, $, ast) {
+            reporter.name = "icon-centered";
+            const iconPath = $.find("path").attr("d");
+            const bounds = getBounds(iconPath);
+
+            const centerX = +((bounds.minX + bounds.maxX) / 2).toFixed(iconFloatPrecision)
+            const centerY = +((bounds.minY + bounds.maxY) / 2).toFixed(iconFloatPrecision)
+            if (centerX !== iconSize / 2 && centerY !== iconSize / 2) {
+              reporter.error(`<path> must be centered on the canvas; the center is currently ${centerX} x ${centerY}`);
+            }
+          }
         ]
     }
 };