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Update to Webpack 5 #875
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Update to Webpack 5 #875
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- update configuration from webpack 4 -> 5
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added 11 commits
March 9, 2021 10:32
…flake and black; utils parametrization for frequent scenarios
- generalize utils and add new data mocks
- select column by id or index in tests
- some dropdown tests cypress -> selenium
added 28 commits
March 14, 2021 11:32
- add "invalid" filter check - additional filter tests cypress -> selenium
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Depends on plotly/dash#1563
Updates the table "build" to use Webpack 5 and newer versions of the toolchain packages (e.g. babel, typescript, loaders).
These changes also cause problems that are more or less difficult to fix:
Storybook, which we use here to generate the Percy snapshots hooks into the webpack configuration and expects Webpack 4.x -- some changes in tooling is done here to make it work with webpack 5Cypresshas been in a derelict state for our purpose for quite a while and this Webpack 5 update is causing problems that can't be fixed (as far as I can tell) in the unit tests -- this PR moves the unit tests from using Cypress to another stack that has been around for a lot of time and is very stable.. Karma + Mocha, since the cypress test syntax already was compatible with Mocha, it left only the runner to be updated. For context, mocha tests are normally run directly in Node which won't do for our purposes, Karma is used, amongst other things, to load the tests into the browser to be run there. Additional context, Karma has been around for a very long time (it's ancient by web development standards, ~2012), this will hopefully provide more solid footing for the unit testsMore on
Cypress, back in 2018 I introduced Cypress into the table stack to run integration tests as our Selenium setup was less than ideal at the time, this has proven problematic ever since Cypress 4.x came out. Will look to rewrite the remaining Cypress integration tests as Selenium as part of this PRAll-in-all this PR proposes to update the table toolchain in depth as part of keeping up with our third party dependencies as the ever growing gap has now reached chasm proportions... one must not fear the reaper.