tailwind-merge - npm Package Compare versions

Comparing version 2.5.1 to 2.5.2-dev.0c74ac3cababfa706594629e5244995535ca70a1

package.json

 {
     "name": "tailwind-merge",
-    "version": "2.5.1",
+    "version": "2.5.2-dev.0c74ac3cababfa706594629e5244995535ca70a1",
     "description": "Merge Tailwind CSS classes without style conflicts",
@@ -54,4 +54,5 @@ "keywords": [
         "build": "rollup --config scripts/rollup.config.mjs",
-        "test": "jest test --config scripts/jest.config.mjs --coverage",
-        "test:watch": "jest test --config scripts/jest.config.mjs --watch",
+        "bench": "vitest bench --config scripts/vitest.config.mts",
+        "test": "vitest --config scripts/vitest.config.mts --coverage",
+        "test:watch": "vitest --config scripts/vitest.config.mts",
         "test:exports": "node scripts/test-built-package-exports.cjs && node scripts/test-built-package-exports.mjs",
@@ -67,8 +68,9 @@ "lint": "eslint --max-warnings 0 '**'",
         "@babel/preset-env": "^7.25.3",
+        "@codspeed/vitest-plugin": "^3.1.1",
         "@rollup/plugin-babel": "^6.0.4",
         "@rollup/plugin-node-resolve": "^15.2.3",
         "@rollup/plugin-typescript": "^11.1.6",
-        "@types/jest": "^29.5.12",
         "@typescript-eslint/eslint-plugin": "^8.0.1",
         "@typescript-eslint/parser": "^8.0.1",
+        "@vitest/coverage-v8": "^2.0.5",
         "babel-plugin-annotate-pure-calls": "^0.4.0",
@@ -78,5 +80,3 @@ "babel-plugin-polyfill-regenerator": "^0.6.2",
         "eslint-plugin-import": "^2.29.1",
-        "eslint-plugin-jest": "^28.6.0",
         "globby": "^11.1.0",
-        "jest": "^29.7.0",
         "prettier": "^3.3.3",
@@ -86,5 +86,5 @@ "rollup": "^4.19.1",
         "rollup-plugin-dts": "^6.1.1",
-        "ts-jest": "^29.2.3",
         "tslib": "^2.6.3",
         "typescript": "^5.5.4",
+        "vitest": "^2.0.5",
         "zx": "^8.1.4"
@@ -91,0 +91,0 @@ },

README.md

@@ -6,3 +6,3 @@ <!-- This file is autogenerated. If you want to change this content, please do the changes in `./docs/README.md` instead. -->
     <a href="https://github.com/dcastil/tailwind-merge">
-        <img src="https://github.com/dcastil/tailwind-merge/raw/v2.5.1/assets/logo.svg" alt="tailwind-merge" height="150px" />
+        <img src="https://github.com/dcastil/tailwind-merge/raw/0c74ac3cababfa706594629e5244995535ca70a1/assets/logo.svg" alt="tailwind-merge" height="150px" />
     </a>
@@ -29,12 +29,12 @@ </div>
 
--   [What is it for](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/what-is-it-for.md)
--   [When and how to use it](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/when-and-how-to-use-it.md)
--   [Features](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/features.md)
--   [Limitations](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/limitations.md)
--   [Configuration](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/configuration.md)
--   [Recipes](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/recipes.md)
--   [API reference](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/api-reference.md)
--   [Writing plugins](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/writing-plugins.md)
--   [Versioning](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/versioning.md)
--   [Contributing](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/contributing.md)
--   [Similar packages](https://github.com/dcastil/tailwind-merge/tree/v2.5.1/docs/similar-packages.md)
+-   [What is it for](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/what-is-it-for.md)
+-   [When and how to use it](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/when-and-how-to-use-it.md)
+-   [Features](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/features.md)
+-   [Limitations](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/limitations.md)
+-   [Configuration](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/configuration.md)
+-   [Recipes](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/recipes.md)
+-   [API reference](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/api-reference.md)
+-   [Writing plugins](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/writing-plugins.md)
+-   [Versioning](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/versioning.md)
+-   [Contributing](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/contributing.md)
+-   [Similar packages](https://github.com/dcastil/tailwind-merge/tree/0c74ac3cababfa706594629e5244995535ca70a1/docs/similar-packages.md)

src/lib/merge-classlist.ts

 import { ConfigUtils } from './config-utils'
 import { IMPORTANT_MODIFIER, sortModifiers } from './parse-class-name'
 
+const SPLIT_CLASSES_REGEX = /\s+/
+
 export const mergeClassList = (classList: string, configUtils: ConfigUtils) => {
@@ -15,20 +17,9 @@ const { parseClassName, getClassGroupId, getConflictingClassGroupIds } = configUtils
     const classGroupsInConflict: string[] = []
+    const classNames = classList.trim().split(SPLIT_CLASSES_REGEX)
 
     let result = ''
-    let index = classList.length - 1
 
-    while (index >= 0) {
-        while (classList[index] === ' ') {
-            index -= 1
-        }
+    for (let index = classNames.length - 1; index >= 0; index -= 1) {
+        const originalClassName = classNames[index]!
 
-        if (index < 0) {
-            break
-        }
-
-        const nextIndex = classList.lastIndexOf(' ', index)
-        const originalClassName = classList.slice(nextIndex + 1, index + 1)
-
-        index = nextIndex
-
         const { modifiers, hasImportantModifier, baseClassName, maybePostfixModifierPosition } =
@@ -46,2 +37,3 @@ parseClassName(originalClassName)
             if (!hasPostfixModifier) {
+                // Not a Tailwind class
                 result = originalClassName + (result.length > 0 ? ' ' + result : result)
@@ -54,2 +46,3 @@ continue
             if (!classGroupId) {
+                // Not a Tailwind class
                 result = originalClassName + (result.length > 0 ? ' ' + result : result)
@@ -71,2 +64,3 @@ continue
         if (classGroupsInConflict.includes(classId)) {
+            // Tailwind class omitted due to conflict
             continue
@@ -83,2 +77,3 @@ }
 
+        // Tailwind class not in conflict
         result = originalClassName + (result.length > 0 ? ' ' + result : result)
@@ -85,0 +80,0 @@ }

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Found 1 instance in 1 package

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Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

709205

increased by0.05%

Dev dependency count

22

decreased by-4.35%

Worsened metrics

Lines of code

15512

decreased by-0.1%

Number of low quality alerts

1

increased byInfinity%

No dependency changes