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102 lines
2.5 KiB
102 lines
2.5 KiB
[npm]: https://img.shields.io/npm/v/@rollup/plugin-json
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[npm-url]: https://www.npmjs.com/package/@rollup/plugin-json
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[size]: https://packagephobia.now.sh/badge?p=@rollup/plugin-json
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[size-url]: https://packagephobia.now.sh/result?p=@rollup/plugin-json
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[![npm][npm]][npm-url]
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[![size][size]][size-url]
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[](https://liberamanifesto.com)
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# @rollup/plugin-json
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🍣 A Rollup plugin which Converts .json files to ES6 modules.
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## Requirements
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This plugin requires an [LTS](https://github.com/nodejs/Release) Node version (v8.0.0+) and Rollup v1.20.0+.
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## Install
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Using npm:
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```console
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npm install @rollup/plugin-json --save-dev
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```
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## Usage
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Create a `rollup.config.js` [configuration file](https://www.rollupjs.org/guide/en/#configuration-files) and import the plugin:
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```js
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import json from '@rollup/plugin-json';
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export default {
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input: 'src/index.js',
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output: {
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dir: 'output',
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format: 'cjs'
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},
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plugins: [json()]
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};
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```
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Then call `rollup` either via the [CLI](https://www.rollupjs.org/guide/en/#command-line-reference) or the [API](https://www.rollupjs.org/guide/en/#javascript-api).
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With an accompanying file `src/index.js`, the local `package.json` file would now be importable as seen below:
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```js
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// src/index.js
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import pkg from './package.json';
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console.log(`running version ${pkg.version}`);
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```
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## Options
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### `compact`
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Type: `Boolean`<br>
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Default: `false`
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If `true`, instructs the plugin to ignore `indent` and generates the smallest code.
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### `exclude`
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Type: `String` | `Array[...String]`<br>
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Default: `null`
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A [minimatch pattern](https://github.com/isaacs/minimatch), or array of patterns, which specifies the files in the build the plugin should _ignore_. By default no files are ignored.
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### `include`
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Type: `String` | `Array[...String]`<br>
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Default: `null`
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A [minimatch pattern](https://github.com/isaacs/minimatch), or array of patterns, which specifies the files in the build the plugin should operate on. By default all files are targeted.
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### `indent`
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Type: `String`<br>
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Default: `'\t'`
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Specifies the indentation for the generated default export.
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### `namedExports`
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Type: `Boolean`<br>
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Default: `true`
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If `true`, instructs the plugin to generate a named export for every property of the JSON object.
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### `preferConst`
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Type: `Boolean`<br>
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Default: `false`
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If `true`, instructs the plugin to declare properties as variables, using either `var` or `const`. This pertains to tree-shaking.
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## Meta
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[CONTRIBUTING](/.github/CONTRIBUTING.md)
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[LICENSE (MIT)](/LICENSE)
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