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January 29, 2020 16:37
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Vue.component('select2', { | |
props: ['options', 'value'], | |
template: ` | |
<div> | |
<select multiple ref='select'> | |
<slot></slot> | |
</select> | |
</div> | |
`, | |
mounted: function () { | |
var vm = this; | |
$(this.$refs.select) | |
.select2({ data: this.options }) | |
.on('change', function (ev, args) { | |
if (!(args && "ignore" in args)) { | |
vm.$emit('input', $(this).val()) | |
} | |
}); | |
Vue.nextTick(() => { | |
$(this.$refs.select) | |
.val(this.value) | |
.trigger('change', { ignore: true }) | |
}); | |
}, | |
watch: { | |
value: function (value, oldValue) { | |
// update value | |
$(this.$refs.select) | |
.val(this.value) | |
.trigger('change', { ignore: true }); | |
}, | |
options: function (options) { | |
// update options | |
$(this.$refs.select).select2({ data: options }) | |
} | |
}, | |
destroyed: function () { | |
$(this.$refs.select).off().select2('destroy') | |
} | |
}); |
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Hey, I have copied and expanded this to support a few extra features such as ajax. I have a question. What is the purpose of
Vue.nextTick()
? Also,Vue
is undefined when I try to accessnextTick()
from within the.vue
component -- is there a special way of accessing this function from within a.vue
file?I posted the code in a fork.