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vfile-message

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Create vfile messages.

Contents

What is this?

This package provides a (lint) message format.

When should I use this?

In most cases, you can use file.message from VFile itself, but in some cases you might not have a file, and still want to emit warnings or errors, in which case this can be used directly.

Install

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

npm install vfile-message

In Deno with esm.sh:

import {VFileMessage} from 'https://esm.sh/vfile-message@4'

In browsers with esm.sh:

<script type="module">
  import {VFileMessage} from 'https://esm.sh/vfile-message@4?bundle'
</script>

Use

import {VFileMessage} from 'vfile-message'

const message = new VFileMessage(
  'Unexpected unknown word `braavo`, did you mean `bravo`?',
  {source: 'spell', ruleId: 'typo', place: {line: 1, column: 8}}
)

console.log(message)

Yields:

[1:8: Unexpected unknown word `braavo`, did you mean `bravo`?] {
  reason: 'Unexpected unknown word `braavo`, did you mean `bravo`?',
  line: 1,
  column: 8,
  ancestors: undefined,
  cause: undefined,
  fatal: undefined,
  place: {line: 1, column: 8},
  ruleId: 'typo',
  source: 'spell'
}

API

This package exports the identifier VFileMessage. There is no default export.

VFileMessage(reason[, options])

Create a message for reason.

πŸͺ¦ Note: also has obsolete signatures.

Parameters
Extends

Error.

Returns

Instance of VFileMessage.

Fields

Options

Configuration (TypeScript type).

Fields

Well-known

It’s OK to store custom data directly on the VFileMessage, some of those are handled by utilities. The following fields are documented and typed here.

Fields

Types

This package is fully typed with TypeScript. It exports the additional type 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, vfile-message@^4, compatible with Node.js 16.

Contribute

See contributing.md in vfile/.github for ways to get started. See support.md for ways to get help.

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

License

MIT Β© Titus Wormer

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