212 lines
5.9 KiB
Vue
212 lines
5.9 KiB
Vue
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<template>
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<u-transition
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mode="slide-down"
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:customStyle="containerStyle"
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:show="open"
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>
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<view
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class="u-notify"
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:class="[`u-notify--${tmpConfig.type}`]"
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:style="[backgroundColor, $u.addStyle(customStyle)]"
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>
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<u-status-bar v-if="tmpConfig.safeAreaInsetTop"></u-status-bar>
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<view class="u-notify__warpper">
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<slot name="icon">
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<u-icon
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v-if="['success', 'warning', 'error'].includes(tmpConfig.type)"
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:name="tmpConfig.icon"
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:color="tmpConfig.color"
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:size="1.3 * tmpConfig.fontSize"
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:customStyle="{marginRight: '4px'}"
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></u-icon>
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</slot>
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<text
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class="u-notify__warpper__text"
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:style="{
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fontSize: $u.addUnit(tmpConfig.fontSize),
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color: tmpConfig.color
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}"
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>{{ tmpConfig.message }}</text>
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</view>
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</view>
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</u-transition>
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</template>
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<script>
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import props from './props.js';
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/**
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* notify 顶部提示
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* @description 该组件一般用于页面顶部向下滑出一个提示，尔后自动收起的场景
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* @tutorial
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* @property {String | Number} top 到顶部的距离 ( 默认 0 )
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* @property {String} type 主题，primary，success，warning，error ( 默认 'primary' )
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* @property {String} color 字体颜色 ( 默认 '#ffffff' )
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* @property {String} bgColor 背景颜色
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* @property {String} message 展示的文字内容
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* @property {String | Number} duration 展示时长，为0时不消失，单位ms ( 默认 3000 )
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* @property {String | Number} fontSize 字体大小 ( 默认 15 )
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* @property {Boolean} safeAreaInsetTop 是否留出顶部安全距离（状态栏高度） ( 默认 false )
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* @property {Object} customStyle 组件的样式，对象形式
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* @event {Function} open 开启组件时调用的函数
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* @event {Function} close 关闭组件式调用的函数
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* @example <u-notify message="Hi uView"></u-notify>
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*/
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export default {
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name: 'u-notify',
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
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data() {
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return {
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// 是否展示组件
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open: false,
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timer: null,
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config: {
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// 到顶部的距离
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top: uni.$u.props.notify.top,
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// type主题，primary，success，warning，error
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type: uni.$u.props.notify.type,
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// 字体颜色
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color: uni.$u.props.notify.color,
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// 背景颜色
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bgColor: uni.$u.props.notify.bgColor,
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// 展示的文字内容
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message: uni.$u.props.notify.message,
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// 展示时长，为0时不消失，单位ms
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duration: uni.$u.props.notify.duration,
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// 字体大小
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fontSize: uni.$u.props.notify.fontSize,
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// 是否留出顶部安全距离（状态栏高度）
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safeAreaInsetTop: uni.$u.props.notify.safeAreaInsetTop
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},
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// 合并后的配置，避免多次调用组件后，可能会复用之前使用的配置参数
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tmpConfig: {}
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}
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},
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computed: {
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containerStyle() {
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let top = 0
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if (this.tmpConfig.top === 0) {
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// #ifdef H5
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// H5端，导航栏为普通元素，需要将组件移动到导航栏的下边沿
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// H5的导航栏高度为44px
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top = 44
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// #endif
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}
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const style = {
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top: uni.$u.addUnit(this.tmpConfig.top === 0 ? top : this.tmpConfig.top),
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// 因为组件底层为u-transition组件，必须将其设置为fixed定位
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// 让其出现在导航栏底部
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position: 'fixed',
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left: 0,
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right: 0,
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zIndex: 10076
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}
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return style
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},
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// 组件背景颜色
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backgroundColor() {
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const style = {}
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if (this.tmpConfig.bgColor) {
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style.backgroundColor = this.tmpConfig.bgColor
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}
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return style
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},
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// 默认主题下的图标
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icon() {
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let icon
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if (this.tmpConfig.type === 'success') {
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icon = 'checkmark-circle'
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} else if (this.tmpConfig.type === 'error') {
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icon = 'close-circle'
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} else if (this.tmpConfig.type === 'warning') {
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icon = 'error-circle'
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}
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return icon
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}
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},
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created() {
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// 通过主题的形式调用toast，批量生成方法函数
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['primary', 'success', 'error', 'warning'].map(item => {
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this[item] = message => this.show({
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type: item,
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message
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})
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})
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},
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methods: {
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show(options) {
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// 不将结果合并到this.config变量，避免多次调用u-toast，前后的配置造成混乱
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this.tmpConfig = uni.$u.deepMerge(this.config, options)
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// 任何定时器初始化之前，都要执行清除操作，否则可能会造成混乱
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this.clearTimer()
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this.open = true
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if (this.tmpConfig.duration > 0) {
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this.timer = setTimeout(() => {
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this.open = false
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// 倒计时结束，清除定时器，隐藏toast组件
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this.clearTimer()
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// 判断是否存在callback方法，如果存在就执行
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typeof(this.tmpConfig.complete) === 'function' && this.tmpConfig.complete()
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}, this.tmpConfig.duration)
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}
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},
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// 关闭notify
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close() {
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this.clearTimer()
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},
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clearTimer() {
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this.open = false
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// 清除定时器
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clearTimeout(this.timer)
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this.timer = null
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}
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},
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beforeDestroy() {
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this.clearTimer()
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}
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}
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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/components.scss";
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$u-notify-padding: 8px 10px !default;
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$u-notify-text-font-size: 15px !default;
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$u-notify-primary-bgColor: $u-primary !default;
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$u-notify-success-bgColor: $u-success !default;
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$u-notify-error-bgColor: $u-error !default;
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$u-notify-warning-bgColor: $u-warning !default;
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.u-notify {
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padding: $u-notify-padding;
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&__warpper {
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@include flex;
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align-items: center;
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text-align: center;
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justify-content: center;
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&__text {
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font-size: $u-notify-text-font-size;
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text-align: center;
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}
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}
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&--primary {
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background-color: $u-notify-primary-bgColor;
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}
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&--success {
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background-color: $u-notify-success-bgColor;
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}
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&--error {
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background-color: $u-notify-error-bgColor;
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}
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&--warning {
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background-color: $u-notify-warning-bgColor;
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}
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}
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</style>
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