index.js
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import { VantComponent } from '../common/component';
VantComponent({
relation: {
name: 'col',
type: 'descendant',
linked: function linked(target) {
if (this.data.gutter) {
target.setGutter(this.data.gutter);
}
}
},
props: {
gutter: Number
},
watch: {
gutter: 'setGutter'
},
mounted: function mounted() {
if (this.data.gutter) {
this.setGutter();
}
},
methods: {
setGutter: function setGutter() {
var _this = this;
var gutter = this.data.gutter;
var margin = "-" + Number(gutter) / 2 + "px";
var style = gutter ? "margin-right: " + margin + "; margin-left: " + margin + ";" : '';
this.setData({
style: style
});
this.getRelationNodes('../col/index').forEach(function (col) {
col.setGutter(_this.data.gutter);
});
}
}
});