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How to avoid pollution in css in vue

PHPz
Release: 2023-04-13 10:37:01
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Vue is a framework widely used in front-end development. It uses single file components (SFCs) to organize code. This organization method can make the code clearer, but it can also easily cause CSS pollution problems. CSS pollution issues are very common in Vue, especially when developing large applications. So, how to avoid CSS pollution? Here are some methods for you.

1. Using CSS Modules

CSS Modules is a technology that exports CSS style sheet files as modules. It allows you to bundle CSS stylesheet files with components instead of importing them globally. This means that each component can only access its own CSS style classes, not global styles. This mechanism can largely avoid CSS style pollution problems.

2. Use namespaces

In Vue, you can use namespaces to limit the scope of CSS styles. This is accomplished by adding a unique prefix to the style class name. For example:

<template>
  <div :class="$style.myButton">按钮</div>
</template>

<style module>
.myButton {
  color: red;
}
</style>
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Here, we specify the namespace by adding the $style prefix before the style class name to avoid the global effect.

3. Use Scoped style

In Vue, you can also use Scoped style to limit the scope of CSS styles. This is accomplished by binding the style class to the root element of a component. For example:

<template>
  <div class="wrapper">
    <div class="myButton">按钮</div>
  </div>
</template>

<style scoped>
.wrapper .myButton {
  color: red;
}
</style>
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Here, we bind the style class to the root element of the component (.wrapper) and use the Scoped style to limit its scope. This allows us to define styles inside a component without affecting other components.

4. Using Vue plug-ins

Vue provides many plug-ins to solve the problem of CSS pollution. One of them is the Vue-Scoped-CSS plugin, which allows you to use Scoped CSS styles inside components. Another is the Vue-Style-Loader plugin, which automatically handles CSS Modules for you. These plugins can help you manage CSS styles more easily.

To sum up, CSS pollution problems in Vue are very common and can cause many problems. However, by using some technologies such as CSS Modules, namespaces, Scoped styles and Vue plugins, these problems can be effectively solved. Ultimately, this will make your Vue application more maintainable and scalable.

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