index.js
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import { VantComponent } from '../common/component';
import { button } from '../mixins/button';
import { openType } from '../mixins/open-type';
import { GRAY, RED } from '../common/color';
import { toPromise } from '../common/utils';
VantComponent({
mixins: [button, openType],
props: {
show: {
type: Boolean,
observer(show) {
!show && this.stopLoading();
},
},
title: String,
message: String,
theme: {
type: String,
value: 'default',
},
useSlot: Boolean,
className: String,
customStyle: String,
asyncClose: Boolean,
messageAlign: String,
beforeClose: null,
overlayStyle: String,
useTitleSlot: Boolean,
showCancelButton: Boolean,
closeOnClickOverlay: Boolean,
confirmButtonOpenType: String,
width: null,
zIndex: {
type: Number,
value: 2000,
},
confirmButtonText: {
type: String,
value: '确认',
},
cancelButtonText: {
type: String,
value: '取消',
},
confirmButtonColor: {
type: String,
value: RED,
},
cancelButtonColor: {
type: String,
value: GRAY,
},
showConfirmButton: {
type: Boolean,
value: true,
},
overlay: {
type: Boolean,
value: true,
},
transition: {
type: String,
value: 'scale',
},
},
data: {
loading: {
confirm: false,
cancel: false,
},
},
methods: {
onConfirm() {
this.handleAction('confirm');
},
onCancel() {
this.handleAction('cancel');
},
onClickOverlay() {
this.onClose('overlay');
},
close(action) {
this.setData({ show: false });
wx.nextTick(() => {
this.$emit('close', action);
const { callback } = this.data;
if (callback) {
callback(action, this);
}
});
},
stopLoading() {
this.setData({
loading: {
confirm: false,
cancel: false,
},
});
},
handleAction(action) {
this.$emit(action, { dialog: this });
const { asyncClose, beforeClose } = this.data;
if (!asyncClose && !beforeClose) {
this.close(action);
return;
}
this.setData({
[`loading.${action}`]: true,
});
if (beforeClose) {
toPromise(beforeClose(action)).then((value) => {
if (value) {
this.close(action);
} else {
this.stopLoading();
}
});
}
},
},
});