220 lines
5.7 KiB
Markdown
220 lines
5.7 KiB
Markdown
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# retext-smartypants
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[![Build][build-badge]][build]
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[![Coverage][coverage-badge]][coverage]
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[![Downloads][downloads-badge]][downloads]
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[![Size][size-badge]][size]
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[![Sponsors][sponsors-badge]][collective]
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[![Backers][backers-badge]][collective]
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[![Chat][chat-badge]][chat]
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**[retext][]** plugin to apply [SmartyPants][].
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## Contents
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* [What is this?](#what-is-this)
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* [When should I use this?](#when-should-i-use-this)
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* [Install](#install)
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* [Use](#use)
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* [API](#api)
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* [`unified().use(retextSmartypants[, options])`](#unifieduseretextsmartypants-options)
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* [Types](#types)
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* [Compatibility](#compatibility)
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* [Contribute](#contribute)
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* [License](#license)
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## What is this?
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This package is a [unified][] ([retext][]) plugin to apply [SmartyPants][] to
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the syntax tree.
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It replaces straight/typewriter punctuation marks and symbols with smart/curly
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marks and symbols.
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## When should I use this?
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You can use this plugin any time there straight marks and symbols in prose,
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but you want to use smart ones instead.
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## Install
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This package is [ESM only][esm].
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In Node.js (version 12.20+, 14.14+, 16.0+, or 18.0+), install with [npm][]:
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```sh
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npm install retext-smartypants
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```
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In Deno with [`esm.sh`][esmsh]:
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```js
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import retextSmartypants from 'https://esm.sh/retext-smartypants@5'
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```
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In browsers with [`esm.sh`][esmsh]:
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```html
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<script type="module">
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import retextSmartypants from 'https://esm.sh/retext-smartypants@5?bundle'
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</script>
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```
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## Use
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```js
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import {retext} from 'retext'
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import retextSmartypants from 'retext-smartypants'
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const file = await retext()
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.use(retextSmartypants)
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.process('He said, "A \'simple\' english sentence. . ."')
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console.log(String(file))
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```
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Yields:
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```txt
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He said, “A ‘simple’ english sentence…”
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```
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## API
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This package exports no identifiers.
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The default export is `retextSmartypants`.
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### `unified().use(retextSmartypants[, options])`
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Apply [SmartyPants][].
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##### `options`
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Configuration (optional).
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###### `options.quotes`
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Create smart quotes (`boolean`, default: `true`).
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Converts straight double and single quotes to smart double or single quotes.
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The options `options.openingQuotes` and `options.closingQuotes` affect which
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quotes are considered smart.
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###### `options.openingQuotes`
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Characters to use for opening quotes `{single: '‘', double: '“'}`.
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###### `options.closingQuotes`
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Characters to use for closing quotes `{single: '’', double: '”'}`.
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###### `options.ellipses`
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Create smart ellipses (`boolean`, default: `true`).
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Converts triple dot characters (with or without spaces) into a single unicode
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ellipsis character.
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###### `options.backticks`
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Create smart quotes from backticks (`boolean` or `'all'`, default: `true`).
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When `true`, converts double backticks into an opening double quote, and
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double straight single quotes into a closing double quote.
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When `'all'`: does the what `true` does with the addition of converting single
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backticks into an opening single quote, and a straight single quote into a
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closing single smart quote.
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> 👉 **Note**: `options.quotes` can not be `true` when `backticks` is `'all'`.
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###### `options.dashes`
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Create smart dashes (`boolean` or `'oldschool'`, `'inverted'`, default: `true`).
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When `true`, converts two dashes into an em dash character.
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When `'oldschool'`, converts two dashes into an en dash, and three dashes into
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an em dash.
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When `'inverted'`, converts two dashes into an em dash, and three dashes into
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an en dash.
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## Types
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This package is fully typed with [TypeScript][].
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It exports the additional types `Options` and `QuoteCharacterMap`.
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## Compatibility
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Projects maintained by the unified collective are compatible with all maintained
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versions of Node.js.
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As of now, that is Node.js 12.20+, 14.14+, 16.0+, and 18.0+.
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Our projects sometimes work with older versions, but this is not guaranteed.
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## Contribute
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See [`contributing.md`][contributing] in [`retextjs/.github`][health] for ways
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to get started.
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See [`support.md`][support] for ways to get help.
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This project has a [code of conduct][coc].
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By interacting with this repository, organization, or community you agree to
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abide by its terms.
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## License
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[MIT][license] © [Titus Wormer][author]
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<!-- Definitions -->
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[build-badge]: https://github.com/retextjs/retext-smartypants/workflows/main/badge.svg
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[build]: https://github.com/retextjs/retext-smartypants/actions
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[coverage-badge]: https://img.shields.io/codecov/c/github/retextjs/retext-smartypants.svg
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[coverage]: https://codecov.io/github/retextjs/retext-smartypants
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[downloads-badge]: https://img.shields.io/npm/dm/retext-smartypants.svg
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[downloads]: https://www.npmjs.com/package/retext-smartypants
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[size-badge]: https://img.shields.io/bundlephobia/minzip/retext-smartypants.svg
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[size]: https://bundlephobia.com/result?p=retext-smartypants
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[sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg
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[backers-badge]: https://opencollective.com/unified/backers/badge.svg
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[collective]: https://opencollective.com/unified
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[chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg
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[chat]: https://github.com/retextjs/retext/discussions
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[npm]: https://docs.npmjs.com/cli/install
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[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
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[esmsh]: https://esm.sh
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[typescript]: https://www.typescriptlang.org
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[health]: https://github.com/retextjs/.github
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[contributing]: https://github.com/retextjs/.github/blob/main/contributing.md
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[support]: https://github.com/retextjs/.github/blob/main/support.md
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[coc]: https://github.com/retextjs/.github/blob/main/code-of-conduct.md
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[license]: license
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[author]: https://wooorm.com
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[unified]: https://github.com/unifiedjs/unified
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[retext]: https://github.com/retextjs/retext
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[smartypants]: https://daringfireball.net/projects/smartypants
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