index.js
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import { VantComponent } from '../common/component';
import { addUnit } from '../common/utils';
VantComponent({
field: true,
classes: ['icon-class'],
props: {
value: Number,
readonly: Boolean,
disabled: Boolean,
allowHalf: Boolean,
size: {
type: null,
observer: 'setSizeWithUnit'
},
icon: {
type: String,
value: 'star'
},
voidIcon: {
type: String,
value: 'star-o'
},
color: {
type: String,
value: '#ffd21e'
},
voidColor: {
type: String,
value: '#c7c7c7'
},
disabledColor: {
type: String,
value: '#bdbdbd'
},
count: {
type: Number,
value: 5
},
gutter: {
type: null,
observer: 'setGutterWithUnit'
},
touchable: {
type: Boolean,
value: true
}
},
data: {
innerValue: 0,
gutterWithUnit: undefined,
sizeWithUnit: '20px'
},
watch: {
value(value) {
if (value !== this.data.innerValue) {
this.setData({ innerValue: value });
}
}
},
methods: {
setSizeWithUnit(val) {
this.setData({
sizeWithUnit: addUnit(val)
});
},
setGutterWithUnit(val) {
this.setData({
gutterWithUnit: addUnit(val)
});
},
onSelect(event) {
const { data } = this;
const { score } = event.currentTarget.dataset;
if (!data.disabled && !data.readonly) {
this.setData({ innerValue: score + 1 });
this.$emit('input', score + 1);
this.$emit('change', score + 1);
}
},
onTouchMove(event) {
const { touchable } = this.data;
if (!touchable)
return;
const { clientX } = event.touches[0];
this.getRect('.van-rate__icon', true).then((list) => {
const target = list
.sort(item => item.right - item.left)
.find(item => clientX >= item.left && clientX <= item.right);
if (target != null) {
this.onSelect(Object.assign(Object.assign({}, event), { currentTarget: target }));
}
});
}
}
});