插件

指定解析器

默认情况下，ESLint 使用 Espree 作为其解析器。您可以选择指定在配置文件中使用不同的解析器，只要解析器满足以下要求：

它必须是可从使用解析器的配置文件加载的 Node 模块。通常，这意味着您应该使用 npm 单独安装解析器包。
它必须符合解析器接口。

请注意，即使具有这些兼容性，也不能保证外部解析器可以与 ESLint 正确工作，并且 ESLint 不会修复与其他解析器不兼容相关的错误。

要指定 npm 模块用作解析器，请使用 .eslintrc 文件中的 parser 选项指定它。例如，以下指定使用 Esprima 而不是 Espree：

{
    "parser": "esprima",
    "rules": {
        "semi": "error"
    }
}

以下解析器与 ESLint 兼容：

Esprima
@babel/eslint-parser - Babel 解析器的包装器，使其与 ESLint 兼容。
@typescript-eslint/parser - 将 TypeScript 转换为 ESTree 兼容形式的解析器，因此可以在 ESLint 中使用。

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指定处理器

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{
    "plugins": ["a-plugin"],
    "processor": "a-plugin/a-processor"
}

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{
    "plugins": ["a-plugin"],
    "overrides": [
        {
            "files": ["*.md"],
            "processor": "a-plugin/markdown"
        }
    ]
}

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{
    "plugins": ["a-plugin"],
    "overrides": [
        {
            "files": ["*.md"],
            "processor": "a-plugin/markdown"
        },
        {
            "files": ["**/*.md/*.js"],
            "rules": {
                "strict": "off"
            }
        }
    ]
}

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配置插件

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{
    "plugins": [
        "plugin1",
        "eslint-plugin-plugin2"
    ]
}

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---
  plugins:
    - plugin1
    - eslint-plugin-plugin2

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插件相对于配置文件进行解析。换句话说，ESLint 将加载插件，就像用户通过在配置文件中运行 require('eslint-plugin-pluginname') 获得的一样。
基本配置中的插件（由 extends 设置加载）相对于派生的配置文件。例如，如果 ./.eslintrc 有 extends: ["foo"]，而 eslint-config-foo 有 plugins: ["bar"]，ESLint 会从 ./node_modules/（而不是 ./node_modules/eslint-config-foo/node_modules/）或祖先目录中找到 eslint-plugin-bar。因此，配置文件和基本配置中的每个插件都是唯一解析的。

命名约定

引入插件

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{
    // ...
    "plugins": [
        "jquery", // means eslint-plugin-jquery
    ]
    // ...
}

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{
    // ...
    "plugins": [
        "@jquery/jquery", // means @jquery/eslint-plugin-jquery
        "@foobar" // means @foobar/eslint-plugin
    ]
    // ...
}

使用插件

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{
    // ...
    "plugins": [
        "jquery",   // eslint-plugin-jquery
        "@foo/foo", // @foo/eslint-plugin-foo
        "@bar"      // @bar/eslint-plugin
    ],
    "extends": [
        "plugin:@foo/foo/recommended",
        "plugin:@bar/recommended"
    ],
    "rules": {
        "jquery/a-rule": "error",
        "@foo/foo/some-rule": "error",
        "@bar/another-rule": "error"
    },
    "env": {
        "jquery/jquery": true,
        "@foo/foo/env-foo": true,
        "@bar/env-bar": true,
    }
    // ...
}