micromark-factory-mdx-expression

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[micromark][] factory to parse MDX expressions (found in JSX attributes, flow,
text).

Contents

* Install
* Use
* API
* factoryMdxExpression(…)
* Types
* Compatibility
* Security
* Contribute
* License

Install

This package is [ESM only][esm].
In Node.js (version 16+), install with [npm][]:

``sh
npm install micromark-factory-mdx-expression
`

In Deno with [esm.sh][esmsh]:

`js
import {factoryMdxExpression} from 'https://esm.sh/micromark-factory-mdx-expression@2'
`

In browsers with [esm.sh][esmsh]:

`html

`

Use

`js
import {ok as assert} from 'devlop'
import {factoryMdxExpression} from 'micromark-factory-mdx-expression'
import {codes} from 'micromark-util-symbol'

// A micromark tokenizer that uses the factory:
/* @type {Tokenizer} /
function tokenizeFlowExpression(effects, ok, nok) {
return start

// …

/* @type {State} /
function start(code) {
assert(code === codes.leftCurlyBrace, 'expected {')
return factoryMdxExpression.call(
self,
effects,
factorySpace(effects, after, types.whitespace),
'mdxFlowExpression',
'mdxFlowExpressionMarker',
'mdxFlowExpressionChunk',
acorn,
acornOptions,
addResult,
spread,
allowEmpty
)(code)
}

// …
}
`

API

This module exports the identifier
[factoryMdxExpression][api-factory-mdx-expression].
There is no default export.

The export map supports the [development condition][development].
Run node --conditions development module.js to get instrumented dev code.
Without this condition, production code is loaded.

$3

###### Parameters

* effects (Effects)
— context
* ok (State)
— state switched to when successful
* type (string)
— token type for whole ({})
* markerType (string)
— token type for the markers ({, })
* chunkType (string)
— token type for the value (1)
* acorn (Acorn)
— object with acorn.parse and acorn.parseExpressionAt
* acornOptions ([AcornOptions][acorn-options])
— configuration for acorn
* boolean (addResult, default: false)
— add estree to token
* boolean (spread, default: false)
— support a spread ({...a}) only
* boolean (allowEmpty, default: false)
— support an empty expression
* boolean (allowLazy, default: false)
— support lazy continuation of an expression

###### Returns

State.

Types

This package is fully typed with [TypeScript][].
It exports the additional types [Acorn][acorn] and
[AcornOptions][acorn-options].

Compatibility

Projects maintained by the unified collective are compatible with maintained
versions of Node.js.

When we cut a new major release, we drop support for unmaintained versions of
Node.
This means we try to keep the current release line,
micromark-factory-mdx-expression@^2, compatible with Node.js 16.

This package works with micromark version 3 and later.

Security

This package is safe.

Contribute

See [contributing.md][contributing] in [micromark/.github][health] for ways
to get started.
See [support.md`][support] for ways to get help.

This project has a [code of conduct][coc].
By interacting with this repository, organisation, or community you agree to
abide by its terms.

License

[MIT][license] © [Titus Wormer][author]

[acorn]: https://github.com/acornjs/acorn

[acorn-options]: https://github.com/acornjs/acorn/blob/96c721dbf89d0ccc3a8c7f39e69ef2a6a3c04dfa/acorn/dist/acorn.d.ts#L16

[api-factory-mdx-expression]: #micromark-factory-mdx-expression

[author]: https://wooorm.com

[backers-badge]: https://opencollective.com/unified/backers/badge.svg

[build]: https://github.com/micromark/micromark-extension-mdx-expression/actions

[build-badge]: https://github.com/micromark/micromark-extension-mdx-expression/workflows/main/badge.svg

[chat]: https://github.com/micromark/micromark/discussions

[chat-badge]: https://img.shields.io/badge/chat-discussions-success.svg

[coc]: https://github.com/micromark/.github/blob/main/code-of-conduct.md

[contributing]: https://github.com/micromark/.github/blob/main/contributing.md

[coverage]: https://codecov.io/github/micromark/micromark-extension-mdx-expression

[coverage-badge]: https://img.shields.io/codecov/c/github/micromark/micromark-extension-mdx-expression.svg

[development]: https://nodejs.org/api/packages.html#packages_resolving_user_conditions

[downloads]: https://www.npmjs.com/package/micromark-factory-mdx-expression

[downloads-badge]: https://img.shields.io/npm/dm/micromark-factory-mdx-expression.svg

[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c

[esmsh]: https://esm.sh

[health]: https://github.com/micromark/.github

[license]: https://github.com/micromark/micromark-extension-mdx-expression/blob/main/license

[micromark]: https://github.com/micromark/micromark

[npm]: https://docs.npmjs.com/cli/install

[opencollective]: https://opencollective.com/unified

[size]: https://bundlejs.com/?q=micromark-factory-mdx-expression

[size-badge]: https://img.shields.io/badge/dynamic/json?label=minzipped%20size&query=$.size.compressedSize&url=https://deno.bundlejs.com/?q=micromark-factory-mdx-expression

[sponsors-badge]: https://opencollective.com/unified/sponsors/badge.svg

[support]: https://github.com/micromark/.github/blob/main/support.md

[typescript]: https://www.typescriptlang.org