no-restricted-exports
Disallow specified names in exports
在一个项目中,由于各种原因,某些命名可能不允许用作导出命名。
规则细节
这条规则不允许指定的命名被用作出口的名称。
选项
默认情况下,这个规则不禁止任何命名。只有在配置中指定的命名才会被禁止。
此规则选项为对象:
"restrictedNamedExports"
是一个字符串数组,每个字符串是一个要限制的名称。"restrictDefaultExports"
是一个带有用于限制某些默认导出声明的布尔值属性的对象选项。此选项仅在restrictedNamedExports
选项不包括"default"
值时使用。可以使用下列属性:direct
:限制export default
声明。named
:限制export { foo as default };
声明。defaultFrom
:限制export { default } from 'foo';
声明。namedFrom
:限制export { foo as default } from 'foo';
声明。namespaceFrom
:限制export * as default from 'foo';
声明。
restrictedNamedExports
使用 "restrictedNamedExports"
选项的错误示例:
/*eslint no-restricted-exports: ["error", {
"restrictedNamedExports": ["foo", "bar", "Baz", "a", "b", "c", "d", "e", "👍"]
}]*/
export const foo = 1;
export function bar() {}
export class Baz {}
const a = {};
export { a };
function someFunction() {}
export { someFunction as b };
export { c } from "some_module";
export { "d" } from "some_module";
export { something as e } from "some_module";
export { "👍" } from "some_module";
使用 "restrictedNamedExports"
选项的正确示例:
/*eslint no-restricted-exports: ["error", {
"restrictedNamedExports": ["foo", "bar", "Baz", "a", "b", "c", "d", "e", "👍"]
}]*/
export const quux = 1;
export function myFunction() {}
export class MyClass {}
const a = {};
export { a as myObject };
function someFunction() {}
export { someFunction };
export { c as someName } from "some_module";
export { "d" as " d " } from "some_module";
export { something } from "some_module";
export { "👍" as thumbsUp } from "some_module";
默认导出
根据设计,"restrictedNamedExports"
选项并不禁止 export default
声明。如果你将 "default"
配置为限制性名称,该限制将仅适用于命名的导出声明。
使用 "restrictedNamedExports": ["default"]
选项的额外错误示例:
/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default"] }]*/
function foo() {}
export { foo as default };
/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default"] }]*/
export { default } from "some_module";
使用 "restrictedNamedExports": ["default"]
选项的额外正确示例:
/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default", "foo"] }]*/
export default function foo() {}
restrictDefaultExports
此选项允许限制某些 default
声明。此规则仅在 restrictedNamedExports
选项不包括 default
值时可用。此选项接受下列属性:
direct
使用 "restrictDefaultExports": { "direct": true }
选项的错误示例:
/*eslint no-restricted-exports: ["error", { "restrictDefaultExports": { "direct": true } }]*/
export default foo;
export default 42;
export default function foo() {}
named
使用 "restrictDefaultExports": { "named": true }
选项的错误示例:
/*eslint no-restricted-exports: ["error", { "restrictDefaultExports": { "named": true } }]*/
const foo = 123;
export { foo as default };
defaultFrom
使用 "restrictDefaultExports": { "defaultFrom": true }
选项的错误示例:
/*eslint no-restricted-exports: ["error", { "restrictDefaultExports": { "defaultFrom": true } }]*/
export { default } from 'foo';
export { default as default } from 'foo';
namedFrom
使用 "restrictDefaultExports": { "namedFrom": true }
选项的错误示例:
/*eslint no-restricted-exports: ["error", { "restrictDefaultExports": { "namedFrom": true } }]*/
export { foo as default } from 'foo';
namespaceFrom
使用 "restrictDefaultExports": { "namespaceFrom": true }
选项的错误示例:
/*eslint no-restricted-exports: ["error", { "restrictDefaultExports": { "namespaceFrom": true } }]*/
export * as default from 'foo';
已知限制
这条规则并不检查再出口声明中的源模块内容。特别是,如果你从另一个模块的导出中重新导出所有内容,该导出可能包括一个受限的名称。本规则无法检测到这种情况。
//----- some_module.js -----
export function foo() {}
//----- my_module.js -----
/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["foo"] }]*/
export * from "some_module"; // allowed, although this declaration exports "foo" from my_module
Version
This rule was introduced in ESLint v7.0.0-alpha.0.