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build/node_modules/svgo/plugins/removeEmptyText.js

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+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = true;
+
+exports.description = 'removes empty <text> elements';
+
+exports.params = {
+    text: true,
+    tspan: true,
+    tref: true
+};
+
+/**
+ * Remove empty Text elements.
+ *
+ * @see http://www.w3.org/TR/SVG/text.html
+ *
+ * @example
+ * Remove empty text element:
+ * <text/>
+ *
+ * Remove empty tspan element:
+ * <tspan/>
+ *
+ * Remove tref with empty xlink:href attribute:
+ * <tref xlink:href=""/>
+ *
+ * @param {Object} item current iteration item
+ * @param {Object} params plugin params
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.fn = function(item, params) {
+
+    // Remove empty text element
+    if (
+        params.text &&
+        item.isElem('text') &&
+        item.isEmpty()
+    ) return false;
+
+    // Remove empty tspan element
+    if (
+        params.tspan &&
+        item.isElem('tspan') &&
+        item.isEmpty()
+    ) return false;
+
+    // Remove tref with empty xlink:href attribute
+    if (
+        params.tref &&
+        item.isElem('tref') &&
+        !item.hasAttrLocal('href')
+    ) return false;
+
+};