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Style and Class binding improvements #194

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Style and Class binding improvements #194

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CyberAP
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@CyberAP CyberAP commented Jul 22, 2020

Rendered

Introduce a couple of improvements to Style and Class bindings:

  • Secondary argument for direct prop-value bindings

    <input :class:is-active="isActive">

  • Modifiers for secondary style arguments

    <input :style:custom-property.prop="customPropertyValue">
<input :style:width.px="width">

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posva commented Jul 23, 2020

This was asked for before at vuejs/vue#4956
Same for implicit prop values vuejs/vue#2877

Given the existing syntax for directives (like v-bind) this introduces a custom attribute named class:property (property being dynamic) and a custom behavior for v-bind, which ironically helps to making things overcomplicated which is your first point in motivation

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CyberAP commented Jul 23, 2020

It does not introduce a custom attribute and is a syntax sugar for an existing object configuration for v-bind. That's why it said that users who use render functions won't be affected by this change.

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@CyberAP @posva