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node_modules/svgo/plugins/removeAttrs.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var ELEM_SEP = ':';
+var DEFAULT_SEPARATOR = ':';
 
 exports.type = 'perItem';
 
@@ -9,18 +9,27 @@ exports.active = false;
 exports.description = 'removes specified attributes';
 
 exports.params = {
+    elemSeparator: DEFAULT_SEPARATOR,
+    preserveCurrentColor: false,
     attrs: []
 };
 
 /**
  * Remove attributes
  *
+ * @param elemSeparator
+ *   format: string
+ *
+ * @param preserveCurrentColor
+ *   format: boolean
+ *
  * @param attrs:
  *
- *   format: [ element* : attribute* ]
+ *   format: [ element* : attribute* : value* ]
  *
- *   element   : regexp (wrapped into ^...$), single * or omitted > all elements
+ *   element   : regexp (wrapped into ^...$), single * or omitted > all elements (must be present when value is used)
  *   attribute : regexp (wrapped into ^...$)
+ *   value     : regexp (wrapped into ^...$), single * or omitted > all values
  *
  *   examples:
  *
@@ -33,6 +42,10 @@ exports.params = {
  *     ---
  *       attrs: 'path:fill'
  *
+ *     > remove fill attribute on path element where value is none
+ *     ---
+ *       attrs: 'path:fill:none'
+ *
  *
  *     > remove all fill and stroke attribute
  *     ---
@@ -52,6 +65,10 @@ exports.params = {
  *
  *       attrs: '.*:(fill|stroke)'
  *
+ *     [is same as]
+ *
+ *       attrs: '.*:(fill|stroke):.*'
+ *
  *
  *     > remove all stroke related attributes
  *     ----
@@ -65,24 +82,29 @@ exports.params = {
  * @author Benny Schudel
  */
 exports.fn = function(item, params) {
-
         // wrap into an array if params is not
     if (!Array.isArray(params.attrs)) {
         params.attrs = [params.attrs];
     }
 
     if (item.isElem()) {
+        var elemSeparator = typeof params.elemSeparator == 'string' ? params.elemSeparator : DEFAULT_SEPARATOR;
+        var preserveCurrentColor = typeof params.preserveCurrentColor == 'boolean' ? params.preserveCurrentColor : false;
 
             // prepare patterns
         var patterns = params.attrs.map(function(pattern) {
 
-                // apply to all elements if specifc element is omitted
-            if (pattern.indexOf(ELEM_SEP) === -1) {
-                pattern = ['.*', ELEM_SEP, pattern].join('');
+                // if no element separators (:), assume it's attribute name, and apply to all elements *regardless of value*
+            if (pattern.indexOf(elemSeparator) === -1) {
+                pattern = ['.*', elemSeparator, pattern, elemSeparator, '.*'].join('');
+
+                // if only 1 separator, assume it's element and attribute name, and apply regardless of attribute value
+            } else if (pattern.split(elemSeparator).length < 3) {
+                pattern = [pattern, elemSeparator, '.*'].join('');
             }
 
-                // create regexps for element and attribute name
-            return pattern.split(ELEM_SEP)
+                // create regexps for element, attribute name, and attribute value
+            return pattern.split(elemSeparator)
                 .map(function(value) {
 
                         // adjust single * to match anything
@@ -102,10 +124,19 @@ exports.fn = function(item, params) {
                     // loop attributes
                 item.eachAttr(function(attr) {
                     var name = attr.name;
+                    var value = attr.value;
+                    var isFillCurrentColor = preserveCurrentColor && name == 'fill' && value == 'currentColor';
+                    var isStrokeCurrentColor = preserveCurrentColor && name == 'stroke' && value == 'currentColor';
 
+                    if (!(isFillCurrentColor || isStrokeCurrentColor)) {
                         // matches attribute name
-                    if (pattern[1].test(name)) {
-                        item.removeAttr(name);
+                        if (pattern[1].test(name)) {
+
+                            // matches attribute value
+                            if (pattern[2].test(attr.value)) {
+                                item.removeAttr(name);
+                            }
+                        }
                     }
 
                 });