Если у вас есть массив

Vue-FAQ

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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www.tg-me.com/ms/Vue FAQ/com.vuefaq/1165

768 viewsMar 27 at 08:10

tg-me.com/vuefaq/1165

Create: 2025-03-27
Last Update: 2025-07-09 14:16:44

// 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

BY Vue-FAQ

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Vue FAQ Telegram | DID YOU KNOW?

Date: 2025-07-09| Vue FAQ

The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.

Traders also expressed uncertainty about the situation with China Evergrande, as the indebted property company has not provided clarification about a key interest payment.In economic news, the Commerce Department reported an unexpected increase in U.S. new home sales in August.Crude oil prices climbed Friday and front-month WTI oil futures contracts saw gains for a fifth straight week amid tighter supplies. West Texas Intermediate Crude oil futures for November rose $0.68 or 0.9 percent at 73.98 a barrel. WTI Crude futures gained 2.8 percent for the week.