Make defaultState required when creating reducers #127
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yangmillstheory
changed the title
yangmillstheory
changed the title
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We are explicitly requiring it, so let's note it as breaking change, regardless of how Redux is handling it. |
| `Expected defaultState for reducer handling ${actionTypes.join(', ')} to be defined` | ||
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| } | ||
| } |
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I'd suggest to move this function to a folder named utils and name that file assertions.js or sth like this, where we can write more functions like this in a single file.
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Generally that's a good idea to extract the assertions 👍
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Also, we will rewrite this later with invariant, correct?
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Yes, or we may as well do it now.
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Btw, I've changed the base branch to |
| handlers[type], | ||
| defaultState | ||
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| ); |
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Relevant: #108
Close #18.
See that issue and also reduxjs/redux#514 for background and discussion.
TL;DR
We can prevent downstream reducer sanity errors like this one by throwing earlier.