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https://issues.apache.org/jira/browse/SOLR-12196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jan Høydahl updated SOLR-12196:
-------------------------------
    Description: 
AngularJS is soon end of life, it [enters LTS in july 
2018|https://docs.angularjs.org/misc/version-support-status], whereupon it will 
only receive fixes to serious bugs. Solr uses AngularJS 1.3 (the latest 
AngularJS will be 1.7).

This issue is *not* for upgrading to Angular5/6, but to start preparing the 
existing UI for easier migration later on. See 
[https://angular.io/guide/upgrade].

This JIRA will likely get multiple sub tasks such as
 * Change to [Folders-by-Feature 
Structure|https://angular.io/guide/upgrade#follow-the-angularjs-style-guide], 
i.e. mix html, css, js in a folder based on feature
 * Use a [Module Loader|https://angular.io/guide/upgrade#using-a-module-loader] 
like [Webpack|https://webpack.js.org/]
 * Use [Component 
Directives|https://angular.io/guide/upgrade#using-component-directives] 
(requires first move from AngularJS 1.3 to 1.5)

The rationale for this lira is recognising how central the Admin UI is to Solr, 
not letting it rot on top of a dying framework. Better to start moving step by 
step and [perhaps write all new views in Angular 
5|https://angular.io/guide/upgrade#upgrading-with-ngupgrade], than to fall 
further and further behind.

This effort of course assumes that Angular.io is the path we want to go, and 
not React, VueJS or some other new kid on the block :)

  was:
AngularJS is soon end of life, it enters LTS in july 2018, whereupon it will 
only receive fixes to serious bugs. Solr uses AngularJS 1.3 (the latest 
AngularJS is 1.7).

This issue is *not* for upgrading to Angular5/6, but to start preparing the 
existing UI for easier migration later on. See 
https://angular.io/guide/upgrade. 

This JIRA will likely get multiple sub tasks such as
* Change to [Folders-by-Feature 
Structure|https://angular.io/guide/upgrade#follow-the-angularjs-style-guide], 
i.e. mix html, css, js in a folder base don feature
* Use a [Module Loader|https://angular.io/guide/upgrade#using-a-module-loader] 
like [Webpack|https://webpack.js.org]
* Use [Component 
Directives|https://angular.io/guide/upgrade#using-component-directives] 
(requires first move from AngularJS 1.3 to 1.5)

The rationale for this lira is recognising how central the Admin UI is to Solr, 
not letting it rot on top of a dying framework. Better to start moving step by 
step and [perhaps write all new views in Angular 
5|https://angular.io/guide/upgrade#upgrading-with-ngupgrade], than to fall 
further and further behind.

This effort of course assumes that Angular.io is the path we want to go, and 
not React, VueJS or some other new kid on the block :-)


> Prepare Admin UI for migrating to Angular.io
> --------------------------------------------
>
>                 Key: SOLR-12196
>                 URL: https://issues.apache.org/jira/browse/SOLR-12196
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Admin UI
>            Reporter: Jan Høydahl
>            Priority: Major
>              Labels: Angular, AngularJS, angular-migration
>             Fix For: master (8.0)
>
>
> AngularJS is soon end of life, it [enters LTS in july 
> 2018|https://docs.angularjs.org/misc/version-support-status], whereupon it 
> will only receive fixes to serious bugs. Solr uses AngularJS 1.3 (the latest 
> AngularJS will be 1.7).
> This issue is *not* for upgrading to Angular5/6, but to start preparing the 
> existing UI for easier migration later on. See 
> [https://angular.io/guide/upgrade].
> This JIRA will likely get multiple sub tasks such as
>  * Change to [Folders-by-Feature 
> Structure|https://angular.io/guide/upgrade#follow-the-angularjs-style-guide], 
> i.e. mix html, css, js in a folder based on feature
>  * Use a [Module 
> Loader|https://angular.io/guide/upgrade#using-a-module-loader] like 
> [Webpack|https://webpack.js.org/]
>  * Use [Component 
> Directives|https://angular.io/guide/upgrade#using-component-directives] 
> (requires first move from AngularJS 1.3 to 1.5)
> The rationale for this lira is recognising how central the Admin UI is to 
> Solr, not letting it rot on top of a dying framework. Better to start moving 
> step by step and [perhaps write all new views in Angular 
> 5|https://angular.io/guide/upgrade#upgrading-with-ngupgrade], than to fall 
> further and further behind.
> This effort of course assumes that Angular.io is the path we want to go, and 
> not React, VueJS or some other new kid on the block :)



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