A guide to extracting functions from a `v-for` loop in a table

Beginner here. I am attempting to create a dropdown menu for the div with an id matching my specific name.

For instance, let's say my table column names are: A, B, C.

I only want to have a dropdown menu for column A.

The template of my table looks like this:

template(v-for="field in tableFields")
   th(:id="'_' + field.name")

   select(v-if="field.name ==='A'" v-model="selectedScope"
   option
   option(v-for="scope in scopes" v-bind:value="scope" ) {{scope}}

This method works but I would like to move the logic v-if="field.name ==='A'" into a separate function.

I tried the following approach but it didn't work:

template(v-for="field in tableFields")
   th(:id="'_' + field.name")

   select(v-if="shouldProvideSelectOption(field)" v-model="selectedScope"
   option
   option(v-for="scope in scopes" v-bind:value="scope" ) {{scope}}

In the computed section, I added:

    computed: {
        shouldProvideSelectOption: function (field) {
            return field.name === 'A'
        }
    },

Any ideas why it's not working?

Answer №1

It is recommended to utilize a method instead of a computed property :

methods : {
    shouldProvideSelectOption: function (field) {
        return field.name === 'A'
    }
}

Update As mentioned by @RoyJ in the comment section below :

Computed properties do not accept arguments (except for setters). They are used like regular variables

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