Identify missing web resources during wisdom:run

[Riduidel]

When updating an HTML file, it would be of great help to have wisdom identify missing ressources, be them scripts or images.

Typically, I would like to have wisdom:run show me the missing assets in the console.
Ideally, that error message would use data provided by #245 to show available ressources (or a subset of them if possible).

I guess it could be possible to do it using a wisdom Watcher, no ? (don't yet know how to do it, however)

[cescoffier]

Do you mean logging a message when the resource controller and the webjar controller (these two controllers are serving respectively the assets and the webjar resources) can't find the requested assets ?

To do this, no need for a watcher.

[Riduidel]

On 30/06/2014 19:01, Clement Escoffier wrote:

Do you mean logging a message when the resource controller and the
webjar controller (these two controllers are serving respectively the
assets and the webjar resources) can't find the requested assets ?

No.
Well .... when thinking about it, it may be a yes.
Let me rephrase it.

My issue was that I was writing an HTML page using angular.js script.
And, dumb as I am, I was unable to locate it.
So i tried
libs/angular/angular.js
and other paths, but none resulted into what I wanted.
So I tried to see that issue fro the developper stand point, and told to
myself "well, if I was in Eclipse, i would have an error marker for
that". Which immediatly sent me into the watcher direction :

what I want is that, when I save an HTML page, contained links are
(<script src="..."/>, , and even and
) are analyzed, and each missing target is displayed in
an error message, with possible replacements alongside.

This led me into the Watcher direction.
Unfortunatly, as you wrote

Unfortunately, because of the dynamics of Wisdom Framework, you
cannot retrieve / compute the route at package time

So I guess logging bad resources paths in the resource and webjar
controller would be a good start. But onluy a start, as it requires me
to modify my HTML file, then go into my browser to reload it.

Nicolas Delsaux

[cescoffier]

Oh I see !

Actually, it might be possible if you are only looking for self-contained application (an application containing all its assets). In that case you can check / deduce what are the available assets and generate a pipeline error is something is missing.

[cescoffier]

Just for information, in #13 we have extended the route object injected in template to compute the url of assets as follows:

<link th:href="${#routes.asset('css/bootstrap.min.css')}" rel="stylesheet"/>
<link th:href="${#routes.asset('/css/bootstrap-theme.min.css')}" rel="stylesheet"/>
<script th:src="${#routes.asset('/jquery.js')}"></script>
<script th:src="${#routes.asset('js/bootstrap.min.js')}"></script>

If Wisdom is not able to compute one of these urls, a page explaining the error is displayed (see image)

[Riduidel]

On 02/07/2014 09:26, Clement Escoffier wrote:

Just for information, in #13
#13 we have extended
the |route| object injected in template to compute the url of assets as
follows:

|

<script th:src="${#routes.asset('/jquery.js')}"></script> <script th:src="${#routes.asset('js/bootstrap.min.js')}"></script>

|
|

If Wisdom is not able to compute one of these urls, a page explaining
the error is displayed (see image)

org_thymeleaf_exceptions_templateprocessingexception_cannot_find_the_url_of_the_asset_js_bootstrap_min_js-missing__bundleentry___56_fwk394714818_templates_samples_samples_thl_html_29_
https://cloud.githubusercontent.com/assets/402301/3452785/24e290a8-01ba-11e4-8b5a-7a0a2a55ab8a.png

This means one should never use direct link, but rather always use
that route resolution ... which, as far as I know, isn't documented :-)
Yeah, i've just checked in main documentation, the "#routes.asset(...)"
expression can't be found. Which obviously idnicates it's an easter egg,
where it's precisely the kind of things that would make that link
checker useless (provided it can be enforced ... which is another question).

Nicolas Delsaux

[cescoffier]

I've implemented this feature last night (despite the low issue number).
Documentation is coming, just be patient ;-)

On 2 juil. 2014, at 14:09, Nicolas Delsaux [email protected] wrote:

On 02/07/2014 09:26, Clement Escoffier wrote:

Just for information, in #13
#13 we have extended
the |route| object injected in template to compute the url of assets as
follows:

|

<script th:src="${#routes.asset('/jquery.js')}"></script> <script th:src="${#routes.asset('js/bootstrap.min.js')}"></script>

|
|

If Wisdom is not able to compute one of these urls, a page explaining
the error is displayed (see image)

org_thymeleaf_exceptions_templateprocessingexception_cannot_find_the_url_of_the_asset_js_bootstrap_min_js-missing__bundleentry___56_fwk394714818_templates_samples_samples_thl_html_29_
<
https://cloud.githubusercontent.com/assets/402301/3452785/24e290a8-01ba-11e4-8b5a-7a0a2a55ab8a.png

This means one should never use direct link, but rather always use
that route resolution ... which, as far as I know, isn't documented :-)
Yeah, i've just checked in main documentation, the "#routes.asset(...)"
expression can't be found. Which obviously idnicates it's an easter egg,
where it's precisely the kind of things that would make that link
checker useless (provided it can be enforced ... which is another question).

Nicolas Delsaux

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[cescoffier]

I've made some documentation (in the master branch).