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<script>
import { isFunction } from 'lodash';
import tooltip from '../directives/tooltip';
export default {
directives: {
tooltip,
},
props: {
title: {
type: String,
required: false,
default: '',
},
placement: {
type: String,
required: false,
default: 'top',
},
truncateTarget: {
type: [String, Function],
required: false,
default: '',
},
},
data() {
return {
showTooltip: false,
};
},
watch: {
title() {
// Wait on $nextTick in case of slot width changes
this.$nextTick(this.updateTooltip);
},
},
mounted() {
this.updateTooltip();
},
methods: {
selectTarget() {
if (isFunction(this.truncateTarget)) {
return this.truncateTarget(this.$el);
} else if (this.truncateTarget === 'child') {
return this.$el.childNodes[0];
}
return this.$el;
},
updateTooltip() {
const target = this.selectTarget();
this.showTooltip = Boolean(target && target.scrollWidth > target.offsetWidth);
},
},
};
</script>
<template>
<span
v-if="showTooltip"
v-tooltip
:title="title"
:data-placement="placement"
class="js-show-tooltip"
>
<slot></slot>
</span>
<span v-else> <slot></slot> </span>
</template>
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