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54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
# import/no-named-as-default
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⚠️ This rule _warns_ in the following configs: ☑️ `recommended`, 🚸 `warnings`.
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<!-- end auto-generated rule header -->
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Reports use of an exported name as the locally imported name of a default export.
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Rationale: using an exported name as the name of the default export is likely...
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- _misleading_: others familiar with `foo.js` probably expect the name to be `foo`
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- _a mistake_: only needed to import `bar` and forgot the brackets (the case that is prompting this)
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## Rule Details
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Given:
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```js
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// foo.js
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export default 'foo';
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export const bar = 'baz';
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```
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...this would be valid:
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```js
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import foo from './foo.js';
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```
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...and this would be reported:
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```js
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// message: Using exported name 'bar' as identifier for default export.
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import bar from './foo.js';
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```
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For post-ES2015 `export` extensions, this also prevents exporting the default from a referenced module as a name within that module, for the same reasons:
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```js
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// valid:
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export foo from './foo.js';
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// message: Using exported name 'bar' as identifier for default export.
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export bar from './foo.js';
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```
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## Further Reading
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- ECMAScript Proposal: [export ns from]
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- ECMAScript Proposal: [export default from]
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[export ns from]: https://github.com/leebyron/ecmascript-export-ns-from
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[export default from]: https://github.com/leebyron/ecmascript-export-default-from
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