78 lines
1.5 KiB
Markdown
78 lines
1.5 KiB
Markdown
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# @babel/helper-module-imports
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## Installation
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```sh
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npm install @babel/helper-module-imports --save
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```
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## Usage
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### `import "source"`
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```js
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import { addSideEffect } from "@babel/helper-module-imports";
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addSideEffect(path, 'source');
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```
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### `import { named } from "source"`
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```js
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import { addNamed } from "@babel/helper-module-imports";
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addNamed(path, 'named', 'source');
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```
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### `import { named as _hintedName } from "source"`
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```js
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import { addNamed } from "@babel/helper-module-imports";
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addNamed(path, 'named', 'source', { nameHint: "hintedName" });
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```
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### `import _default from "source"`
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```js
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import { addDefault } from "@babel/helper-module-imports";
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addDefault(path, 'source');
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```
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### `import hintedName from "source"`
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```js
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import { addDefault } from "@babel/helper-module-imports";
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addDefault(path, 'source', { nameHint: "hintedName" })
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```
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### `import * as _namespace from "source"`
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```js
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import { addNamespace } from "@babel/helper-module-imports";
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addNamespace(path, 'source');
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```
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## Examples
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### Adding a named import
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```js
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import { addNamed } from "@babel/helper-module-imports";
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export default function({ types: t }) {
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return {
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visitor: {
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ReferencedIdentifier(path) {
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let importName = this.importName;
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if (importName) {
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importName = t.cloneDeep(importName);
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} else {
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// require('bluebird').coroutine
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importName = this.importName = addNamed(path, 'coroutine', 'bluebird');
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}
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path.replaceWith(importName);
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}
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},
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};
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}
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```
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