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103 lines
3.3 KiB
Markdown
103 lines
3.3 KiB
Markdown
---
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title: Alert
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lang: en-US
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---
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# Alert
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Displays important alert messages.
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## Basic usage
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Alert components are non-overlay elements in the page that does not disappear automatically.
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:::demo Alert provides 4 types of themes defined by `type`, whose default value is `info`.
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alert/basic
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:::
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## Theme
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Alert provide two different themes, `light` and `dark`.
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:::demo Set `effect` to change theme, default is `light`.
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alert/theme
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:::
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## Customizable close button
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Customize the close button as texts or other symbols.
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:::demo Alert allows you to configure if it's closable. The close button text and closing callbacks are also customizable. `closable` attribute decides if the component can be closed or not. It accepts `boolean`, and the default is `true`. You can set `close-text` attribute to replace the default cross symbol as the close button. Be careful that `close-text` must be a string. `close` event fires when the component is closed.
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alert/close-button
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:::
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## With icon
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Displaying an icon improves readability.
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:::demo Setting the `show-icon` attribute displays an icon that corresponds with the current Alert type.
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alert/icon
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:::
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## Centered text
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Use the `center` attribute to center the text.
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:::demo
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alert/center
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:::
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## With description
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Description includes a message with more detailed information.
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:::demo Besides the required `title` attribute, you can add a `description` attribute to help you describe the alert with more details. Description can only store text string, and it will word wrap automatically.
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alert/description
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:::
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## With icon and description
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:::demo At last, this is an example with both icon and description.
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alert/icon-description
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:::
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## Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| ----------- | ---------------------------------------------------------- | ------- | -------------------------- | ------- |
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| title | title | string | — | — |
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| type | Component type | string | success/warning/info/error | info |
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| description | Descriptive text. Can also be passed with the default slot | string | — | — |
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| closable | If closable or not | boolean | — | true |
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| center | Whether to center the text | boolean | — | false |
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| close-text | Customized close button text | string | — | — |
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| show-icon | If a type icon is displayed | boolean | — | false |
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| effect | Choose theme | string | light/dark | light |
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## Slots
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| Name | Description |
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| ----- | -------------------------- |
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| — | description |
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| title | content of the Alert title |
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## Events
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| Event Name | Description | Parameters |
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| ---------- | -------------------------- | ---------- |
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| close | fires when alert is closed | — |
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