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Если у вас есть массив, в каждом элементе которого есть computed, то лучше создать один на весь массив, чем много для каждого элемента

// Bad
const rows = productRows.map(row => ({
...row,
total: computed(() => row.price * row.qty),
}));


// Good
const computedRows = computed(() =>
productRows.map(row => ({
...row,
total: row.price * row.qty,
}))
);


#tip #performance #reactivity



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Если у вас есть массив, в каждом элементе которого есть computed, то лучше создать один на весь массив, чем много для каждого элемента

// Bad
const rows = productRows.map(row => ({
...row,
total: computed(() => row.price * row.qty),
}));


// Good
const computedRows = computed(() =>
productRows.map(row => ({
...row,
total: row.price * row.qty,
}))
);


#tip #performance #reactivity

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