Rename internal function and update JSDoc

Author: asamuzaK

lib/parsers.js

@@ -651,9 +651,9 @@ const resolveFunctionValue = (value, opt = {}) => {
 };
 
 /**
- * Resolves a length or percentage or number value.
+ * Resolves a numeric value.
  *
- * @param {Array<object>} value - The AST node array containing the value.
+ * @param {Array<object>} value - The AST node array containing the numeric value.
  * @param {object} [opt={}] - The options for parsing.
  * @returns {string|undefined} The resolved length/percentage/number or undefined.
  */
@@ -726,13 +726,13 @@ const resolveColorValue = (value, opt = {}) => {
 };
 
 /**
- * Resolves a gradient or URL value.
+ * Resolves an image value.
  *
- * @param {Array<object>} value - The AST node array containing the color value.
+ * @param {Array<object>} value - The AST node array containing the image value.
  * @param {object} [opt={}] - The options for parsing.
  * @returns {string|undefined} The resolved gradient/url or undefined.
  */
-const resolveGradientUrlValue = (value, opt = {}) => {
+const resolveImageValue = (value, opt = {}) => {
   const [{ name, type }] = value;
   const { length } = opt;
   switch (type) {
@@ -841,7 +841,7 @@ module.exports = {
   resolveCalc,
   resolveColorValue,
   resolveFunctionValue,
-  resolveGradientUrlValue,
+  resolveImageValue,
   resolveKeywordValue,
   resolveNumericValue,
   splitValue

lib/properties/backgroundImage.js

@@ -17,7 +17,7 @@ module.exports.parse = (v, opt = {}) => {
       globalObject
     });
     if (Array.isArray(value) && value.length === 1) {
-      const parsedValue = parsers.resolveGradientUrlValue(value);
+      const parsedValue = parsers.resolveImageValue(value);
       if (!parsedValue) {
         return;
       }