css-what (6.2.2)
Installation
registry=npm install css-what@6.2.2"css-what": "6.2.2"About this package
css-what
A CSS selector parser.
Example
import * as CSSwhat from "css-what";
CSSwhat.parse("foo[bar]:baz")
~> [
[
{ type: "tag", name: "foo" },
{
type: "attribute",
name: "bar",
action: "exists",
value: "",
ignoreCase: null
},
{ type: "pseudo", name: "baz", data: null }
]
]
API
CSSwhat.parse(selector) - Parses selector.
The function returns a two-dimensional array. The first array represents selectors separated by commas (eg. sub1, sub2), the second contains the relevant tokens for that selector. Possible token types are:
| name | properties | example | output |
|---|---|---|---|
tag |
name |
div |
{ type: 'tag', name: 'div' } |
universal |
- | * |
{ type: 'universal' } |
pseudo |
name, data |
:name(data) |
{ type: 'pseudo', name: 'name', data: 'data' } |
pseudo |
name, data |
:name |
{ type: 'pseudo', name: 'name', data: null } |
pseudo-element |
name |
::name |
{ type: 'pseudo-element', name: 'name' } |
attribute |
name, action, value, ignoreCase |
[attr] |
{ type: 'attribute', name: 'attr', action: 'exists', value: '', ignoreCase: false } |
attribute |
name, action, value, ignoreCase |
[attr=val] |
{ type: 'attribute', name: 'attr', action: 'equals', value: 'val', ignoreCase: false } |
attribute |
name, action, value, ignoreCase |
[attr^=val] |
{ type: 'attribute', name: 'attr', action: 'start', value: 'val', ignoreCase: false } |
attribute |
name, action, value, ignoreCase |
[attr$=val] |
{ type: 'attribute', name: 'attr', action: 'end', value: 'val', ignoreCase: false } |
child |
- | > |
{ type: 'child' } |
parent |
- | < |
{ type: 'parent' } |
sibling |
- | ~ |
{ type: 'sibling' } |
adjacent |
- | + |
{ type: 'adjacent' } |
descendant |
- | { type: 'descendant' } |
|
column-combinator |
- | || |
{ type: 'column-combinator' } |
CSSwhat.stringify(selector) - Turns selector back into a string.
License: BSD-2-Clause
Security contact information
To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.
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Dependencies
Development Dependencies
| ID | Version |
|---|---|
| @types/jest | ^27.4.1 |
| @types/node | ^17.0.23 |
| @typescript-eslint/eslint-plugin | ^5.17.0 |
| @typescript-eslint/parser | ^5.17.0 |
| eslint | ^8.12.0 |
| eslint-config-prettier | ^8.5.0 |
| eslint-plugin-node | ^11.1.0 |
| jest | ^27.5.1 |
| prettier | ^2.6.1 |
| ts-jest | ^27.1.4 |
| typescript | ^4.6.3 |