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扩展配置文件

一个配置文件，一旦扩展，就可以继承另一个配置文件的所有特征（包括规则、插件和语言选项）并修改所有选项。因此，存在三种配置，定义如下：

A configuration file, once extended, can inherit all the traits of another configuration file (including rules, plugins, and language options) and modify all the options. As a result, there are three configurations, as defined below:

  • 基本配置：扩展的配置。

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  • 派生配置：扩展基本配置的配置。

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  • 生成的实际配置：将派生配置合并到基础配置中的结果。

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  • 指定配置的字符串（配置文件的路径、可共享配置的名称、eslint:recommended 或 eslint:all）

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  • 一个字符串数组，其中每个附加配置都扩展了前面的配置

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  • 启用附加规则

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  • 更改继承规则的严重性而不更改其选项：
    • 基本配置："eqeqeq": ["error", "allow-null"]

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    • 派生配置："eqeqeq": "warn"

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    • 生成的实际配置："eqeqeq": ["warn", "allow-null"]

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  • 覆盖基本配置中的规则选项：
    • 基本配置："quotes": ["error", "single", "avoid-escape"]

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    • 派生配置："quotes": ["error", "single"]

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    • 生成的实际配置："quotes": ["error", "single"]

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  • 覆盖基本配置中作为对象给出的规则的选项：
    • 基本配置："max-lines": ["error", { "max": 200, "skipBlankLines": true, "skipComments": true }]

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    • 派生配置："max-lines": ["error", { "max": 100 }]

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    • 生成的实际配置："max-lines": ["error", { "max": 100 }]，其中 skipBlankLines 和 skipComments 默认为 false

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