How to Fix Vue Custom Ref

The Problem

In this quick-fix, you will learn creating custom ref with customRef. This matters because customRef allows custom get/set logic. In real-world applications, this pattern appears in debounced inputs lazy values.

The Wrong Way

// Using plain ref with no custom logic

Incorrect implementation

The Right Way

const debouncedSearch = customRef((track, trigger) => {
  let value = "";
  let timeout;
  return {
    get() { track(); return value; },
    set(newVal) {
      clearTimeout(timeout);
      timeout = setTimeout(() => { value = newVal; trigger(); }, 300);
    }
  };
});

Correct implementation with Composition API

Prevention

• Always use the official API
• Follow Vue best practices
• Test your implementation
• Document your patterns

FAQ

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