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37 lines
1.1 KiB
Text
37 lines
1.1 KiB
Text
---
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description: 'Require using `namespace` keyword over `module` keyword to declare custom TypeScript modules.'
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---
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> 🛑 This file is source code, not the primary documentation location! 🛑
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>
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> See **https://typescript-eslint.io/rules/prefer-namespace-keyword** for documentation.
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In an effort to prevent further confusion between custom TypeScript modules and the new ES2015 modules, starting
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with TypeScript `v1.5` the keyword `namespace` is now the preferred way to declare custom TypeScript modules.
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## Rule Details
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This rule aims to standardize the way modules are declared.
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## When Not To Use It
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If you are using the ES2015 module syntax, then you will not need this rule.
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## Options
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```jsonc
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// .eslintrc.json
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{
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"rules": {
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"@typescript-eslint/prefer-namespace-keyword": "error"
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}
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}
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```
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This rule is not configurable.
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## Further Reading
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- [Modules](https://www.typescriptlang.org/docs/handbook/modules.html)
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- [Namespaces](https://www.typescriptlang.org/docs/handbook/namespaces.html)
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- [Namespaces and Modules](https://www.typescriptlang.org/docs/handbook/namespaces-and-modules.html)
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