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Apply editorial suggestions for peer review. Co-authored-by: Tiffany Davis <88161089+TMDavisGoogle@users.noreply.github.com> PR Close #45325
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@name Invalid Banana-in-Box
@description
This diagnostic detects a backwards "banana-in-box" syntax for two-way bindings.
<div ([var])="otherVar"></div>
What's wrong with that?
As it stands, ([var]) is actually an event binding with the name [var].
The author likely intended this as a two-way binding to a variable named var but, as written, this binding has no effect.
What should I do instead?
Fix the typo.
As the name suggests, the banana ( should go inside the box [].
In this case:
<div [(var)]="otherVar"></div>
Configuration requirements
strictTemplates must be enabled for any extended diagnostic to emit.
invalidBananaInBox has no additional requirements beyond strictTemplates.
What if I can't avoid this?
This diagnostic can be disabled by editing the project's tsconfig.json file:
{ "angularCompilerOptions": { "extendedDiagnostics": { "checks": { "invalidBananaInBox": "suppress" } } } }
See extended diagnostic configuration for more info.
@reviewed 2022-02-28