a more efficient method for calculating the identical result

I have a piece of code that is functioning correctly. How can I refactor this code to improve it?

if (!this.isThis) {
    return [                    
        { label: this.$t('profile'), value: this.acc.AccountNumber, id: 'ProfileNumber' },
    ]
} else {
    return [
        { label: this.$t('market'), value: this.acc.label, id: 'market' },
        { label: this.$t('profile'), value: this.acc.AccountNumber, id: 'ProfileNumber' },
        { label: this.$t('account'), value: this.acc.profile, id: 'account' }
    ]
}

Is there a more efficient way in JavaScript to handle the functionality above? The current implementation works but may benefit from optimization.

javascriptvue.js

Answer №1

Since they both have the same center item, you can revise it in this way:

return [
  ...this.isThis ? [{ key: this.$t('market'), val: this.acc.label, identifier: 'market' }] : [],
  { key: this.$t('profile'), val: this.acc.AccountNumber, identifier: 'ProfileNumber' },
  ...this.isThis ? [{ key: this.$t('account'), val: this.acc.profile, identifier: 'account' }] : [],
]

Answer №2

If you only have this specific if-else scenario, you can eliminate the else statement:

If the condition is met, it will return the value associated with the 'if' statement.

By default, without the 'else', it will return a different set of values than specified in the 'if' block.

For example:

if (!this.isThis) {
    return [                    
        { label: this.$t('profile'), value: 
      this.acc.AccountNumber, id: 
      'ProfileNumber' }
    ]} 
    
    return [
        { label: this.$t('market'), value: this.acc.label, id: 'market' },
        { label: this.$t('profile'), value: this.acc.AccountNumber, id: 'ProfileNumber' },
        { label: this.$t('account'), value: this.acc.profile, id: 'account' }
    ]

Answer №3

@John Smith,

Possibly, even tinier:

return [
        { label: this.$t('profile'), 
          value: this.acc.AccountNumber, 
          id: 'ProfileNumber' },
        ...this.isThis ? [{ label: this.$t('market'), 
                            value: this.acc.label, 
                            id: 'market' },
                          { label: this.$t('account'), 
                            value: this.acc.profile, 
                            id: 'account' }
                         ] : [],
      ]

Answer №4

One way to add conditional truthy array elements is by using short circuiting and filtering:

return [
    this.isThis && { label: this.$t('market'), value: this.acc.label, id: 'market' },
    { label: this.$t('profile'), value: this.acc.AccountNumber, id: 'ProfileNumber' },
    this.isThis && { label: this.$t('account'), value: this.acc.profile, id: 'account' }
].filter(Boolean)

Although it might result in more lines of code, using conditional push can make the code easier to understand.

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