<template>
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<div>
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<h2>Manage Goals</h2>
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<input type="text" ref="goal" />
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<button @click="setGoal">Set Goal</button>
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<teleport to="body">
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<error-alert v-if="inputIsInvalid">
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<h2>Input is invalid!</h2>
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<p>Please enter at least a few characters...</p>
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<button @click="confirmError">Okay</button>
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</error-alert>
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</teleport>
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</div>
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</template>
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<script>
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import ErrorAlert from './ErrorAlert.vue';
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export default {
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components: {
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ErrorAlert
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},
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data() {
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return {
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inputIsInvalid: false
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};
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},
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methods: {
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setGoal() {
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const enteredValue = this.$refs.goal.value;
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if (enteredValue === '') {
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this.inputIsInvalid = true;
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}
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},
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confirmError() {
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this.inputIsInvalid = false;
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}
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}
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}
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</script>
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