Ways to resolve issues with v-model rendering errors

I currently have code fragments within my index.blade.php file that look like this:

The content section:

.
.
.
<div class="col-12 col-md-12 mb-3">
    <label for="attachment" text-muted">Attachment</label>
    <div class="col-md-12">
        <div>
            <b-form-file
                ref="attachment"
                id="attachment"
                v-model.trim="$v.feedback.upload.attachment.$model"
                placeholder="Click to upload..."
            ></b-form-file>
        </div>
    </div>
</div>
.
.
.

The script section:

.
.
.
var app = new Vue({
    el: '#app',
    data() {
        return {
            'feedback': { 'upload': {'attachment': null} }
        }
   }
})
.
.
.

Whenever I attempt to load the page, it triggers the following error message:

[Vue warn]: Error in render: "TypeError: $v.feedback.upload is undefined" (found in Root)

I am seeking assistance to understand what is causing the aforementioned error, as commenting out the line

v-model.trim="$v.feedback.upload.attachment.$model"
resolves the issue and allows everything to load correctly.

Thank you in advance for any guidance or insights.

Answer №1

Simply use

 v-model.trim="feedback.upload.attachment"

Credit goes to @Damon

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