Vue3 - Getting next item from object - value not updating-CodePudding

I am trying to let my users go through an object that contains different items.

Example of records object:

0: {id: 1, pipeline_id: 1, raw: '1', completion: null, processed: 0, …}
1: {id: 2, pipeline_id: 1, raw: '2', completion: null, processed: 0, …}
2: {id: 3, pipeline_id: 1, raw: '3', completion: null, processed: 0, …}
3: {id: 4, pipeline_id: 1, raw: '4', completion: null, processed: 0, …}
4: {id: 5, pipeline_id: 1, raw: '5', completion: null, processed: 0, …}

I am using Vue3 and Collect.js like below:

const props = defineProps({
    records: {
        type: Object,
    },
});

let currentRecord = collect(props.records).first();

const nextRecord = () => {
    // Set "currentRecord" to the next item in the "records" array.
    currentRecord = collect(props.records).slice(props.records.indexOf(currentRecord)   1).first();

    console.log(currentRecord)
}

The users can shuffle through the array using the nextRecord method:

<textarea v-model="currentRecord.raw"></textarea>

<a @>Skip Record</a>

The above code successfully changes the currentRecord in the console.log, but not in the <textarea>.

What am I doing wrong?

CodePudding user response：

Your currentRecord has to be reactive to work the way you intend.

I.e.

const currentRecord = reactive(collect(props.records).first());

otherwise it is non-reactive and doesn't change UI when its value has changed.

CodePudding user response：

Define currentRecordIndex initialized with 0 and increment it using the click event handler and use computed property to return the currentRecord :

import {computed,ref} from 'vue'

const props = defineProps({
    records: {
        type: Object,
    },
});
let currentRecordIndex =ref(0)
let currentRecord = computed(()=>collect(props.records).slice(currentRecordIndex.value).first());

const nextRecord = () => {
   currentRecordIndex.value  ;
}