[BUGFIX release] Default {{each}} key to @guid or @item based on type. #11461
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rwjblue
changed the title
| @@ -19,8 +19,13 @@ export default function decodeEachKey(item, keyPath, index) { | |||
| if (keyPath) { | |||
| key = get(item, keyPath); | |||
| } else { | |||
| Ember.warn('Using `{{each}}` without specifying a key can lead to unusual behavior. Please specify a `key` that identifies a unique value on each item being iterated. E.g. `{{each model key="@guid" as |item|}}`.'); | |||
| key = index; | |||
| let type = typeOf(item); | |||
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yes, lets just use JS typeof here
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Looks good 👍 |
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yay 👍 |
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Update:
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I am +1. I've also heard many WAT about the current behavior |
rwjblue
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Updated (hopefully for the last time) to deprecate |
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FYI: It seems that this commit didn't get into the 1.13.1 tag |
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Thanks!! ⛵ |
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This PR uses
@itemas the key when the item being iterated is a string or number, and uses@guidwhen it is anything else.This is an attempt at making a better default, to prevent users from having to specify a
key=to each{{each}}invocation.It is absolutely possible, that we will want to revisit this and make specifying
keyrequired in the future, but it seems that we should attempt at good defaults before making that decision.