vitest/prefer-each Style ​
What it does ​
This rule enforces using each rather than manual loops.
Why is this bad? ​
Manual loops for tests can be less readable and more error-prone. Using each provides a clearer and more concise way to run parameterized tests, improving readability and maintainability.
Examples ​
Examples of incorrect code for this rule:
js
for (const item of items) {
describe(item, () => {
expect(item).toBe("foo");
});
}Examples of correct code for this rule:
js
describe.each(items)("item", (item) => {
expect(item).toBe("foo");
});