max-classes-per-file

强制每个文件的最大类数

包含多个类的文件通常会导致可导航性较差且结构不良的代码库。最佳实践是将每个文件限制为单一职责。

规则详情

该规则强制每个文件只能包含特定数量的类，不能更多。

此规则的错误代码示例：

/*eslint max-classes-per-file: "error"*/

class Foo {}
class Bar {}

此规则的正确代码示例：

/*eslint max-classes-per-file: "error"*/

class Foo {}

选项

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PJ3RjirWzC+gCHcZnJlNLw==

{
    "max-classes-per-file": ["error", 1]
}

{
    "max-classes-per-file": [
        "error",
        { "ignoreExpressions": true, "max": 2 }
    ]
}

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/* eslint max-classes-per-file: ["error", 2] */

class Foo {}
class Bar {}

FphvHt5MK/G5o4JKMpo8wFZScNX7kGyQzE3xqEeYlFfSOCo6boElU5F/9xjJlCpy+zGyzuHBL6a0XQipzRkJLM3poPCHpO+mMbAXg5OkMmoZzFJQObttShv0nImLlvkzWLsU8PtimMzV6j4Z889fYA==

/* eslint max-classes-per-file: ["error", { ignoreExpressions: true }] */

class VisitorFactory {
    forDescriptor(descriptor) {
        return class {
            visit(node) {
                return `Visiting ${descriptor}.`;
            }
        };
    }
}