JUI Extension for Yii 2 can not be installed

Question

I want to install JUI Extension for Yii 2, but composer reports me the following issues:

Your requirements could not be resolved to an installable set of packages.


    - yiisoft/yii2-jui 2.0.4 requires bower-asset/jquery-ui 1.11.*@stable -> no matching package found.
    - yiisoft/yii2-jui 2.0.3 requires bower-asset/jquery-ui 1.11.*@stable -> no matching package found.
    - yiisoft/yii2-jui 2.0.2 requires bower-asset/jquery-ui 1.11.*@stable -> no matching package found.
    - yiisoft/yii2-jui 2.0.1 requires bower-asset/jquery-ui 1.11.*@stable -> no matching package found.
    - yiisoft/yii2-jui 2.0.0 requires bower-asset/jquery-ui 1.11.*@stable -> no matching package found.
    - Installation request for yiisoft/yii2-jui ^2.0 -> satisfiable by yiisoft/yii2-jui[2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4].

    Potential causes:
    - A typo in the package name
    - The package is not available in a stable-enough version according to your minimum-stability setting
    see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> for more details.

Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.

Installation failed, reverting ./composer.json to its original content.

What I can do in order to fix this?

Answer 1

Finally I found the solution:

If you want to install the JUI extension for Yii2, you should do the following steps:

1. Run the following composer command: php composer.phar require "fxp/composer-asset-plugin:~1.0"
2. Run php composer.phar update
3. Run php composer.phar require --prefer-dist yiisoft/yii2-jui

Answer 2

I had the same problem while I was trying to install Kartik's extension for Yii2 framework. Adding "fxp/composer-asset-plugin": "*" to the require section of my composer.json file solved it.

Answer 3

Need to install the Composer Asset Plugin first:

composer global require "fxp/composer-asset-plugin:~1.0"

This one worked for me