- Linting (ESLint): Stricter rules (or switch to warning)

- Breaking internal API change: `updateGripCursor` moved to be class method of Selector rather than instance method
- Breaking internal API change: `subpathIsClosed` moved to be class method of `Path` rather than instance method
- Refactoring: Reuse utilities base64 encoder for SVG icons plugin
- Docs (JSDoc): Fix return of the `mouseUp` (can also be an object) and `mouseDown` (may also be a boolean) of `pathActions`; other JSDoc additions/improvements

editor/sanitize.js

@@ -143,7 +143,7 @@ export const sanitizeSvg = function (node) {
       const attrNsURI = attr.namespaceURI;
       // Check that an attribute with the correct localName in the correct namespace is on
       // our whitelist or is a namespace declaration for one of our allowed namespaces
-      if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&
+      if (!({}.hasOwnProperty.call(allowedAttrsNS, attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&
         !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {
         // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
         // Bypassing the whitelist to allow se: prefixes.
@@ -159,11 +159,12 @@ export const sanitizeSvg = function (node) {
         switch (attrName) {
         case 'transform':
         case 'gradientTransform':
-        case 'patternTransform':
+        case 'patternTransform': {
           const val = attr.value.replace(/(\d)-/g, '$1 -');
           node.setAttribute(attrName, val);
           break;
         }
+        }
       }
 
       // For the style attribute, rewrite it in terms of XML presentational attributes