fix: issue with leading/trailing spaces (multiline)

lib/rules/enforces-shorthand.js

@@ -182,10 +182,8 @@ module.exports = {
         return;
       }
 
-      classNames = attrUtil.sanitizeClassnames(classNames);
-      // Init assets before sorting
       const parsed = [];
-      // Move each classname inside its dedicated group
+
       classNames.forEach((className, index) => {
         parsed.push(groupUtil.parseClassname(className, targetGroups, mergedConfig, index));
       });
@@ -297,7 +295,7 @@ module.exports = {
       });
 
       // Generates the validated attribute value
-      const union = validated.map((val) => val.name);
+      const union = validated.map((val) => val.leading + val.name + val.trailing);
 
       if (before !== null) {
         union.unshift(before);

lib/util/groupMethods.js

@@ -494,8 +494,22 @@ function findInGroup(name, group, config, parentType = null) {
  * @returns {Object} Parsed infos
  */
 function parseClassname(name, arr, config, index = null) {
-  const classPrefixes = getPrefixes(name, config.separator);
-  const classSuffix = getSuffix(name, config.separator);
+  const leadingRe = new RegExp('^(?<leading>\\s*)');
+  const trailingRe = new RegExp('(?<trailing>\\s*)$');
+  let leading = '';
+  let core = '';
+  let trailing = '';
+  const leadingRes = leadingRe.exec(name);
+  if (leadingRes && leadingRes.groups) {
+    leading = leadingRes.groups.leading || '';
+  }
+  const trailingRes = trailingRe.exec(name);
+  if (trailingRes && trailingRes.groups) {
+    trailing = trailingRes.groups.trailing || '';
+  }
+  core = name.substring(leading.length, name.length - trailing.length);
+  const classPrefixes = getPrefixes(core, config.separator);
+  const classSuffix = getSuffix(core, config.separator);
   let slot = null;
   arr.forEach((group) => {
     if (slot === null) {
@@ -509,15 +523,17 @@ function parseClassname(name, arr, config, index = null) {
   const value = slot ? slot.value : '';
   const isNegative = value[0] === '-';
   const off = isNegative ? 1 : 0;
-  const body = name.substr(0, name.length - value.length + off).substr(variants.length + off);
+  const body = core.substr(0, core.length - value.length + off).substr(variants.length + off);
   return {
     index: index,
-    name: name,
+    name: core,
     variants: variants,
     parentType: slot ? slot.group : '',
     body: body,
     value: value,
     shorthand: slot ? slot.shorthand : '',
+    leading: leading,
+    trailing: trailing,
   };
 }
 

package.json

@@ -18,6 +18,7 @@
   "bugs": "https://github.com/francoismassart/eslint-plugin-tailwindcss/issues",
   "main": "lib/index.js",
   "scripts": {
+    "wip": "mocha tests/lib/rules/enforces-shorthand.js",
     "test": "mocha tests --recursive"
   },
   "files": [