141 lines
4 KiB
Markdown
141 lines
4 KiB
Markdown
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# unist-util-stringify-position
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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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[**unist**][unist] utility to pretty print the positional information of a node.
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## Install
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[npm][]:
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```sh
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npm install unist-util-stringify-position
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```
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## Use
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```js
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var stringify = require('unist-util-stringify-position')
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// Point
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stringify({line: 2, column: 3}) // => '2:3'
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// Position
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stringify({start: {line: 2}, end: {line: 3}}) // => '2:1-3:1'
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// Node
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stringify({
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type: 'text',
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value: '!',
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position: {
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start: {line: 5, column: 11},
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end: {line: 5, column: 12}
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}
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}) // => '5:11-5:12'
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```
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## API
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### `stringifyPosition(node|position|point)`
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Stringify one [point][], a [position][] (start and end [point][]s), or a node’s
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[positional information][positional-information].
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###### Parameters
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* `node` ([`Node`][node])
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— Node whose `'position'` property to stringify
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* `position` ([`Position`][position])
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— Position whose `'start'` and `'end'` points to stringify
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* `point` ([`Point`][point])
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— Point whose `'line'` and `'column'` to stringify
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###### Returns
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`string?` — A range `ls:cs-le:ce` (when given `node` or `position`) or a point
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`l:c` (when given `point`), where `l` stands for line, `c` for column, `s` for
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`start`, and `e` for end.
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An empty string (`''`) is returned if the given value is neither `node`,
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`position`, nor `point`.
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## Related
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* [`unist-util-generated`](https://github.com/syntax-tree/unist-util-generated)
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— Check if a node is generated
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* [`unist-util-position`](https://github.com/syntax-tree/unist-util-position)
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— Get positional info of nodes
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* [`unist-util-remove-position`](https://github.com/syntax-tree/unist-util-remove-position)
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— Remove positional info from trees
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* [`unist-util-source`](https://github.com/syntax-tree/unist-util-source)
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— Get the source of a value (node or position) in a file
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## Contribute
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See [`contributing.md` in `syntax-tree/.github`][contributing] for ways to get
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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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<!-- Definition -->
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[build-badge]: https://img.shields.io/travis/syntax-tree/unist-util-stringify-position.svg
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[build]: https://travis-ci.org/syntax-tree/unist-util-stringify-position
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[coverage-badge]: https://img.shields.io/codecov/c/github/syntax-tree/unist-util-stringify-position.svg
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[coverage]: https://codecov.io/github/syntax-tree/unist-util-stringify-position
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[downloads-badge]: https://img.shields.io/npm/dm/unist-util-stringify-position.svg
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[downloads]: https://www.npmjs.com/package/unist-util-stringify-position
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[size-badge]: https://img.shields.io/bundlephobia/minzip/unist-util-stringify-position.svg
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[size]: https://bundlephobia.com/result?p=unist-util-stringify-position
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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-spectrum-7b16ff.svg
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[chat]: https://spectrum.chat/unified/syntax-tree
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[npm]: https://docs.npmjs.com/cli/install
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[license]: license
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[author]: https://wooorm.com
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[contributing]: https://github.com/syntax-tree/.github/blob/master/contributing.md
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[support]: https://github.com/syntax-tree/.github/blob/master/support.md
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[coc]: https://github.com/syntax-tree/.github/blob/master/code-of-conduct.md
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[unist]: https://github.com/syntax-tree/unist
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[node]: https://github.com/syntax-tree/unist#node
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[position]: https://github.com/syntax-tree/unist#position
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[point]: https://github.com/syntax-tree/unist#point
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[positional-information]: https://github.com/syntax-tree/unist#positional-information
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