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lingxiao865
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<template>
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<view>
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<view
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v-if="visible"
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:id="id || classPrefix"
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:ref="id || classPrefix"
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:class="classPrefix + ' ' + tClass + ' ' + classPrefix + '--' + theme + ' ' + fadeClass"
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:style="tools._style([getMessageStyles(zIndex, offset, wrapTop), customStyle])"
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:animation="showAnimation"
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aria-role="alert"
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>
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<view :class="classPrefix + '__icon--left'">
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<slot name="icon" />
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<block
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v-if="_icon"
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name="icon"
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>
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<t-icon
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:custom-style="_icon.style || ''"
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:t-class="tClassIcon"
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:prefix="_icon.prefix"
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:name="_icon.name"
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:size="_icon.size"
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:color="_icon.color"
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:aria-hidden="true"
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:aria-label="_icon.ariaLabel"
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:aria-role="_icon.ariaRole"
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/>
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</block>
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</view>
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<view
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:id="classPrefix + '__text-wrap'"
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:ref="classPrefix + '__text-wrap'"
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:class="classPrefix + '__text-wrap ' + (marquee ? classPrefix + '__text-nowrap' : '')"
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:style="'text-align: ' + align"
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>
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<view
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:id="classPrefix + '__text'"
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:ref="classPrefix + '__text'"
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:class="classPrefix + '__text ' + tClassContent"
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:animation="animation"
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>
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<block v-if="content">
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{{ content }}
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</block>
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<slot name="content" />
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<slot />
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</view>
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</view>
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<t-link
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v-if="_link && _link.content"
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:t-class="classPrefix + '__link ' + tClassLink"
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:custom-style="tools._style([_link.style, _link.customStyle])"
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:disabled="_link.disabled || false"
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:hover="_link.hover || true"
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:theme="_link.theme || 'primary'"
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:size="_link.size || 'medium'"
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:prefix-icon="_link.prefixIcon || ''"
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:suffix-icon="_link.suffixIcon || ''"
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:underline="_link.underline || false"
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:content="_link.content || ''"
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:navigator-props="_link.navigatorProps || null"
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@complete="handleLinkClick"
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/>
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<slot name="link" />
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<view
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:class="classPrefix + '__icon--right'"
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@click="handleClose"
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>
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<slot name="close-btn" />
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<block
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v-if="_closeBtn"
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name="icon"
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>
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<t-icon
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:custom-style="_closeBtn.style || ''"
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:t-class="tClassCloseBtn"
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:prefix="_closeBtn.prefix"
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:name="_closeBtn.name"
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:size="_closeBtn.size"
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:color="_closeBtn.color"
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:aria-hidden="false"
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:aria-label="_closeBtn.ariaLabel || '关闭'"
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:aria-role="_closeBtn.ariaRole || 'button'"
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/>
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</block>
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</view>
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</view>
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</view>
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</template>
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<script>
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import TIcon from '../icon/icon';
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import TLink from '../link/link';
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import { uniComponent } from '../common/src/index';
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import { prefix } from '../common/config';
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import { getRect, unitConvert, calcIcon } from '../common/utils';
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import { isObject } from '../common/validator';
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import tools from '../common/utils.wxs';
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import { getMessageStyles } from './computed.js';
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import { messageDefaultData } from '../message/config';
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const SHOW_DURATION = 400;
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const name = `${prefix}-message`;
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const THEME_ICON = {
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info: 'info-circle-filled',
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success: 'check-circle-filled',
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warning: 'error-circle-filled',
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error: 'error-circle-filled',
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};
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const rawData = {
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prefix,
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classPrefix: name,
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loop: -1,
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animation: [],
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showAnimation: [],
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wrapTop: -999,
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fadeClass: '',
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closeTimeoutContext: 0,
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nextAnimationContext: 0,
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resetAnimation: uni.createAnimation({
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duration: 0,
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timingFunction: 'linear',
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}),
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};
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export default uniComponent({
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name,
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options: {
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styleIsolation: 'shared',
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},
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externalClasses: [
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`${prefix}-class`,
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`${prefix}-class-content`,
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`${prefix}-class-icon`,
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`${prefix}-class-link`,
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`${prefix}-class-close-btn`,
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],
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components: {
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TIcon,
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TLink,
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},
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props: {
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},
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emits: [
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'duration-end',
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'close-btn-click',
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'link-click',
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],
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data() {
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return {
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...rawData,
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...messageDefaultData,
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animation: [],
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tools,
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};
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},
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computed: {
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innerMarquee() {
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const { marquee } = this;
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if (JSON.stringify(marquee) === '{}' || JSON.stringify(marquee) === 'true') {
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return {
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speed: 50,
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loop: -1,
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delay: 0,
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};
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}
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return this.marquee;
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},
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},
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watch: {
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theme: {
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handler(theme) {
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this._icon = calcIcon(this.icon, THEME_ICON[theme]);
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},
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immediate: true,
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},
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icon: {
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handler(icon) {
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this._icon = calcIcon(icon, THEME_ICON[this.theme]);
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},
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immediate: true,
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},
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link: {
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handler(v) {
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const _link = isObject(v) ? { ...v } : { content: v };
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this._link = _link;
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},
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immediate: true,
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},
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closeBtn: {
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handler(v) {
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this._closeBtn = calcIcon(v, 'close');
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},
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immediate: true,
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},
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},
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mounted() {
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this.memoInitialData();
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},
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beforeUnMount() {
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this.clearMessageAnimation();
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},
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methods: {
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getMessageStyles,
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/** 记录组件设置的项目 */
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memoInitialData() {
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this.initialData = {
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...rawData,
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...messageDefaultData,
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animation: [],
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};
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},
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resetData(cb) {
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const { initialData = {} } = this;
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Object.keys(initialData).forEach((key) => {
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this[key] = initialData[key];
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});
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setTimeout(cb);
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},
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/** 检查是否需要开启一个新的动画循环 */
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checkAnimation() {
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const { innerMarquee } = this;
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if (!innerMarquee || innerMarquee.loop === 0) {
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return;
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}
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const speeding = innerMarquee.speed;
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if (this.loop > 0) {
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this.loop -= 1;
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} else if (this.loop === 0) {
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// 动画回到初始位置
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this.animation = this.resetAnimation
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.translateX(0)
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.step()
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.export();
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return;
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}
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if (this.nextAnimationContext) {
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this.clearMessageAnimation();
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}
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const warpID = `#${name}__text-wrap`;
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const nodeID = `#${name}__text`;
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Promise.all([getRect(this, nodeID), getRect(this, warpID)]).then(([nodeRect, wrapRect]) => {
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this.animation = this.resetAnimation.translateX(wrapRect.width).step()
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.export();
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setTimeout(() => {
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const durationTime = ((nodeRect.width + wrapRect.width) / speeding) * 1000;
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const nextAnimation = uni
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.createAnimation({
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// 默认50px/s
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duration: durationTime,
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})
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.translateX(-nodeRect.width)
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.step()
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.export();
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// 这里就只能用 setTimeout/20, nextTick 没用
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// 不用这个的话会出现reset动画没跑完就开始跑这个等的奇怪问题
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setTimeout(() => {
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this.nextAnimationContext = setTimeout(this.checkAnimation.bind(this), durationTime);
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this.animation = nextAnimation;
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}, 20);
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});
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});
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},
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/** 清理动画循环 */
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clearMessageAnimation() {
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clearTimeout(this.nextAnimationContext);
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this.nextAnimationContext = 0;
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},
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show(offsetHeight = 0) {
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const { duration, innerMarquee, offset, id } = this;
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this.visible = true;
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this.loop = innerMarquee.loop || this.loop;
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this.fadeClass = `${name}__fade`;
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this.wrapTop = unitConvert(offset[0]) + offsetHeight;
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this.reset();
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setTimeout(() => {
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this.checkAnimation();
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});
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if (duration && duration > 0) {
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this.closeTimeoutContext = setTimeout(() => {
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this.hide();
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this.$emit('duration-end', { self: this });
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}, duration);
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}
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const wrapID = id ? `#${id}` : `#${name}`;
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setTimeout(() => {
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getRect(this, wrapID)
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.then((wrapRect) => {
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this.height = wrapRect.height;
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setTimeout(() => {
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this.fadeClass = '';
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});
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})
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.catch(() => {
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});
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});
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},
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hide() {
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this.reset();
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this.fadeClass = `${name}__fade`;
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setTimeout(() => {
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this.visible = false;
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this.animation = [];
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}, SHOW_DURATION);
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if (typeof this.onHide === 'function') {
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this.onHide();
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}
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},
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// 重置定时器
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reset() {
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if (this.nextAnimationContext) {
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this.clearMessageAnimation();
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}
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clearTimeout(this.closeTimeoutContext);
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this.closeTimeoutContext = 0;
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},
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handleClose() {
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this.hide();
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this.$emit('close-btn-click');
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},
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handleLinkClick() {
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this.$emit('link-click');
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},
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},
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});
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</script>
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<style scoped>
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@import './message-item.css';
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</style>
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