Skip to content

useTrimStartEnd

¥Summary

¥How to configure

biome.json
{
"linter": {
"rules": {
"style": {
"useTrimStartEnd": "error"
}
}
}
}

¥Description

强制使用 String.trimStart() 和 String.trimEnd() 而不是 String.trimLeft() 和 String.trimRight()。

¥Enforce the use of String.trimStart() and String.trimEnd() over String.trimLeft() and String.trimRight().

虽然 String.trimLeft() 和 String.trimRight() 是 String.trimStart() 和 String.trimEnd() 的别名,但仅使用后一对可确保一致性,并且更适合其与方向无关的措辞。

¥While String.trimLeft() and String.trimRight() are aliases for String.trimStart() and String.trimEnd(), only using the latter pair ensures consistency and is preferable for their direction-independent wording.

请注意,String.trimStart() 和 String.trimEnd() 方法不接受任何参数。传递给这些方法的任何参数都将被忽略。有关更多详细信息,请参阅 MDN 文档:

¥Note that String.trimStart() and String.trimEnd() methods do not take any parameters. Any arguments passed to these methods will be ignored. See the MDN documentation for more details:

¥Examples

¥Invalid

const foo = bar.trimLeft();
code-block.js:1:17 lint/style/useTrimStartEnd  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

ℹ Use trimStart instead of trimLeft.

> 1 │ const foo = bar.trimLeft();
│ ^^^^^^^^
2 │

ℹ trimLeft is an alias for trimStart.

ℹ Safe fix: Replace trimLeft with trimStart.

1 │ - const·foo·=·bar.trimLeft();
1 │ + const·foo·=·bar.trimStart();
2 2 │

const foo = bar.trimRight();
code-block.js:1:17 lint/style/useTrimStartEnd  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

ℹ Use trimEnd instead of trimRight.

> 1 │ const foo = bar.trimRight();
│ ^^^^^^^^^
2 │

ℹ trimRight is an alias for trimEnd.

ℹ Safe fix: Replace trimRight with trimEnd.

1 │ - const·foo·=·bar.trimRight();
1 │ + const·foo·=·bar.trimEnd();
2 2 │

¥Valid

const foo = bar.trimStart();
const foo = bar.trimEnd();

¥Related links