fix: fix the warning message when it's only used the LQIP loader

Author: juliomrqz

lib/loaders/index.js

@@ -6,7 +6,6 @@ const { applyResponsiveLoader } = require('./responsive-loader')
  * Checks if a node module is installed in the current context
  *
  * @param {string} name - module name
- * @param {string} resolvePath - optional resolve path
  * @returns {boolean}
  */
 const isModuleInstalled = (name) => {
@@ -90,7 +89,11 @@ const getHandledImageTypes = (moduleConfig) => {
  * @returns {number}
  */
 const getNumOptimizationLoadersInstalled = loaders => Object.values(loaders)
-  .filter(loader => loader && (loader.startsWith('imagemin-') || loader.startsWith('webp-'))).length
+  .filter(loader => loader && (
+    loader.startsWith('imagemin-') ||
+    loader.startsWith('webp-') ||
+    loader.startsWith('lqip-')
+  )).length
 
 /**
  * Appends all loaders to the webpack configuration