ubdate

node_modules/svgo/plugins/removeAttrs.js

@@ -0,0 +1,150 @@
+'use strict';
+
+var DEFAULT_SEPARATOR = ':';
+
+exports.type = 'perItem';
+
+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* : value* ]
+ *
+ *   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:
+ *
+ *     > basic: remove fill attribute
+ *     ---
+ *     removeAttrs:
+ *       attrs: 'fill'
+ *
+ *     > remove fill attribute on path element
+ *     ---
+ *       attrs: 'path:fill'
+ *
+ *     > remove fill attribute on path element where value is none
+ *     ---
+ *       attrs: 'path:fill:none'
+ *
+ *
+ *     > remove all fill and stroke attribute
+ *     ---
+ *       attrs:
+ *         - 'fill'
+ *         - 'stroke'
+ *
+ *     [is same as]
+ *
+ *       attrs: '(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '*:(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '.*:(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '.*:(fill|stroke):.*'
+ *
+ *
+ *     > remove all stroke related attributes
+ *     ----
+ *     attrs: 'stroke.*'
+ *
+ *
+ * @param {Object} item current iteration item
+ * @param {Object} params plugin params
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @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) {
+
+                // 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, attribute name, and attribute value
+            return pattern.split(elemSeparator)
+                .map(function(value) {
+
+                        // adjust single * to match anything
+                    if (value === '*') { value = '.*'; }
+
+                    return new RegExp(['^', value, '$'].join(''), 'i');
+                });
+
+        });
+
+            // loop patterns
+        patterns.forEach(function(pattern) {
+
+                // matches element
+            if (pattern[0].test(item.elem)) {
+
+                    // 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)) {
+
+                            // matches attribute value
+                            if (pattern[2].test(attr.value)) {
+                                item.removeAttr(name);
+                            }
+                        }
+                    }
+
+                });
+
+            }
+
+        });
+
+    }
+
+};