Knockout template page "Fetch data" giving "fetch is undefined" JS exception #1548

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fergalmoran · 2025-08-09T17:20:34Z

fergalmoran commented

2025-08-09 17:20:34 +00:00

Originally created by @Gimly on 6/25/2016

Using the Knockout template, the "Fetch data" page doesn't work. It shows "Loading..." and no data is loaded. The SampleDataController function is never called either.

In the browser console, there is a JS exception that says : 'fetch' is undefined.

Edit: Managed to fix it by adding "isomorphic-fetch": "^2.2.1" to package.json but I'm not sure this is the correct way to do it.

*Originally created by @Gimly on 6/25/2016* Using the Knockout template, the "Fetch data" page doesn't work. It shows "Loading..." and no data is loaded. The SampleDataController function is never called either. In the browser console, there is a JS exception that says : 'fetch' is undefined. Edit: Managed to fix it by adding "isomorphic-fetch": "^2.2.1" to package.json but I'm not sure this is the correct way to do it.

fergalmoran closed this issue

2025-08-09 17:20:34 +00:00

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Reference: github/JavaScriptServices#1548