M2.3.1 template binding not working

[aleromano89]

Preconditions (*)

Magento 2.3.1

Steps to reproduce (*)

1. Create a new empty module (example Alx_KnockoutExample)
2. Generate a new route
   (for example by using pestle
   pestle.phar generate_route Alx_KnockoutExample frontend alx_knockout)
3. Associate a block to the route
   (pestle.phar generate_view Alx_KnockoutExample frontend alx_knockout_index_index Main content.phtml 1column)
4. Create the file Alx/KnockoutExample/view/frontend/web/template/hello.html
   <p>Hello World</p>
5. Add the following code in content.phtml
   <div data-bind="template:'Alx_KnockoutExample/hello'"></div>
6. clean cache and run bin/magento setup:upgrade
7. Visit the url <magentoBaseUrl>/alx_knockout

Expected result (*)

I should see the message Hello world as defined in the hello.html file

Actual result (*)

The content is empty and inside chrome console I get the following

Uncaught TypeError: Unable to process binding "template: function(){return 'Alx_KnockoutExample/hello' }"
Message: Cannot read property 'name' of undefined
    at RemoteTemplateEngine.makeTemplateSource (engine.js:184)
    at RemoteTemplateEngine.renderTemplate (engine.js:246)
    at executeTemplate (knockout.js:5327)
    at ko.dependentObservable.disposeWhen (knockout.js:5391)
    at Function.evaluateImmediate_CallReadThenEndDependencyDetection (knockout.js:2183)
    at Function.evaluateImmediate_CallReadWithDependencyDetection (knockout.js:2150)
    at Function.evaluateImmediate (knockout.js:2111)
    at Object.ko.computed.ko.dependentObservable (knockout.js:1964)
    at Object.ko.renderTemplate (knockout.js:5383)
    at update (knockout.js:5518)

[m2-assistant]

Hi @aleromano89. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@aleromano89 do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

---

• Join Magento Community Engineering Slack and ask your questions in #github channel.

[aleromano89]

@magento give me 2.3-develop instance

[magento-engcom-team]

Hi @aleromano89. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @aleromano89, here is your Magento instance.
Admin access: https://i-24087-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[aleromano89]

@magento-engcom-team Can I have the ssh access? thanks

[Stepa4man]

@aleromano89 no. It's not supported

[Stepa4man]

@magento give me 2.3-develop instance

[magento-engcom-team]

Hi @Stepa4man. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @Stepa4man, here is your Magento instance.
Admin access: https://i-24087-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[aleromano89]

Hi @Stepa4man , how can you reproduce the issue without ssh?

[Stepa4man]

Hi @aleromano89, You don't need.

[m2-assistant]

Hi @Stepa4man. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

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