unist-util-inspect v8.1.0
unist-util-inspect
unist utility to inspect trees.
Contents
What is this?
This is a utility pretty prints the tree.
When should I use this?
This utility pretty prints the tree in a format that is made custom for unist trees, which is terser than the often verbose and repetitive JSON, to more easily spot bugs and see what’s going on in the tree.
Install
This package is ESM only. In Node.js (version 16+), install with npm:
npm install unist-util-inspect
In Deno with esm.sh
:
import {inspect} from 'https://esm.sh/unist-util-inspect@8'
In browsers with esm.sh
:
<script type="module">
import {inspect} from 'https://esm.sh/unist-util-inspect@8?bundle'
</script>
Use
import {u} from 'unist-builder'
import {inspect} from 'unist-util-inspect'
const tree = u('root', [
u('literal', '1'),
u('parent', [
u('void', {id: 'a'}),
u('literal', '2'),
u('node', {id: 'b'}, [])
])
])
console.log(inspect(tree))
Yields:
root[2]
├─0 literal "1"
└─1 parent[3]
├─0 void
│ id: "a"
├─1 literal "2"
└─2 node[0]
id: "b"
API
This package exports the identifiers inspect
,
inspectColor
, and inspectNoColor
.
There is no default export.
inspect(tree[, options])
Inspect a tree, with color in Node, without color in browsers.
Parameters
Returns
Pretty printed tree
(string
).
inspectColor(tree[, options])
🪦 Deprecated: use
color
option ofinspect
.
Inspect a tree, with color.
Otherwise same as inspect
.
inspectNoColor(tree[, options])
🪦 Deprecated: use
color
option ofinspect
.
Inspect a tree, without color.
Otherwise same as inspect
.
Options
Configuration (TypeScript type).
Fields
color
(boolean
, default:true
in Node,false
otherwise) — whether to use ANSI colorsshowPositions
(boolean
, default:true
) — whether to include positional information
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, unist-util-inspect@^8
,
compatible with Node.js 16.
Contribute
See contributing.md
in syntax-tree/.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.
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