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https://issues.apache.org/jira/browse/SOLR-12196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438377#comment-16438377
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Jan Høydahl commented on SOLR-12196:
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Ok makes sense. Could even be that some Solr users (companies) are willing to
sponsor such an effort with some time from their own UI designers or frontend
developers. Feel free to check the temperature on the dev (and solr-user?) list
and we can return to this Jira with whatever conclusion the discussion may give.
One wish from me, no matter what framework we choose, is that we do a
component-based design which makes it possible for Solr plugins / contribs to
provide Admin UI menus and screens. One acid test for this could be to move all
DIH UI code from {{webapp/}} to {{contrib/dataimporthandler/}}.
> 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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