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MIT License
Copyright (c) Tailwind Labs, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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<p>
<a href="https://tailwindcss.com/docs/typography-plugin" target="_blank">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/tailwindlabs/tailwindcss-typography/HEAD/.github/logo-dark.svg">
<source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/tailwindlabs/tailwindcss-typography/HEAD/.github/logo-light.svg">
<img alt="Tailwind CSS Typography" src="https://raw.githubusercontent.com/tailwindlabs/tailwindcss-typography/HEAD/.github/logo-light.svg" width="450" height="70" style="max-width: 100%;">
</picture>
</a>
</p>
The official Tailwind CSS Typography plugin provides a set of `prose` classes you can use to add beautiful typographic defaults to any vanilla HTML you dont control, like HTML rendered from Markdown, or pulled from a CMS.
```html
<article class="prose lg:prose-xl">{{ markdown }}</article>
```
To see what it looks like in action, check out our [live demo](https://play.tailwindcss.com/uj1vGACRJA?layout=preview) on Tailwind Play.
---
## Installation
Install the plugin from npm:
```shell
npm install -D @tailwindcss/typography
```
Then add the plugin to your `tailwind.config.js` file:
```js
/** @type {import('tailwindcss').Config} */
module.exports = {
theme: {
// ...
},
plugins: [
require('@tailwindcss/typography'),
// ...
],
}
```
---
## Basic usage
Now you can use the `prose` classes to add sensible typography styles to any vanilla HTML:
```html
<article class="prose lg:prose-xl">
<h1>Garlic bread with cheese: What the science tells us</h1>
<p>
For years parents have espoused the health benefits of eating garlic bread with cheese to their
children, with the food earning such an iconic status in our culture that kids will often dress
up as warm, cheesy loaf for Halloween.
</p>
<p>
But a recent study shows that the celebrated appetizer may be linked to a series of rabies cases
springing up around the country.
</p>
<!-- ... -->
</article>
```
### Choosing a gray scale
This plugin includes a modifier class for each of the five gray scales Tailwind includes by default so you can easily style your content to match the grays you're using in your project.
```html
<article class="prose prose-slate">{{ markdown }}</article>
```
Here are the classes that are generated using a totally default Tailwind CSS v2.0 build:
| Class | Gray scale |
| ------------------------ | ---------- |
| `prose-gray` _(default)_ | Gray |
| `prose-slate` | Slate |
| `prose-zinc` | Zinc |
| `prose-neutral` | Neutral |
| `prose-stone` | Stone |
Modifier classes are designed to be used with the [multi-class modifier pattern](http://nicolasgallagher.com/about-html-semantics-front-end-architecture/#component-modifiers) and must be used in conjunction with the base `prose` class.
> [!NOTE]
> Always include the `prose` class when adding a gray scale modifier
```html
<article class="prose prose-stone">{{ markdown }}</article>
```
To learn about creating your own color themes, read the [adding custom color themes](#adding-custom-color-themes) documentation.
### Applying a type scale
Size modifiers allow you to adjust the overall size of your typography for different contexts.
```html
<article class="prose prose-xl">{{ markdown }}</article>
```
Five different typography sizes are included out of the box:
| Class | Body font size |
| ------------------------ | ----------------- |
| `prose-sm` | 0.875rem _(14px)_ |
| `prose-base` _(default)_ | 1rem _(16px)_ |
| `prose-lg` | 1.125rem _(18px)_ |
| `prose-xl` | 1.25rem _(20px)_ |
| `prose-2xl` | 1.5rem _(24px)_ |
These can be used in combination with Tailwind's [breakpoint modifiers](https://tailwindcss.com/docs/responsive-design) to change the overall font size of a piece of content at different viewport sizes:
```html
<article class="prose md:prose-lg lg:prose-xl">{{ markdown }}</article>
```
Everything about the provided size modifiers has been hand-tuned by professional designers to look as beautiful as possible, including the relationships between font sizes, heading spacing, code block padding, and more.
Size modifiers are designed to be used with the [multi-class modifier pattern](http://nicolasgallagher.com/about-html-semantics-front-end-architecture/#component-modifiers) and must be used in conjunction with the base `prose` class.
> [!NOTE]
> Always include the `prose` class when adding a size modifier
```html
<article class="prose prose-lg">{{ markdown }}</article>
```
To learn about customizing the included type scales, read the documentation on [customizing the CSS](#customizing-the-css).
### Adapting to dark mode
Each default color theme includes a hand-designed dark mode version that you can trigger by adding the `prose-invert` class:
```html
<article class="prose dark:prose-invert">{{ markdown }}</article>
```
To learn about creating your own color themes, read the [adding custom color themes](#adding-custom-color-themes) documentation.
### Element modifiers
Use element modifiers to customize the style of individual elements in your content directly in your HTML:
```html
<article class="prose prose-img:rounded-xl prose-headings:underline prose-a:text-blue-600">
{{ markdown }}
</article>
```
This makes it easy to do things like style links to match your brand, add a border radius to images, and tons more.
Here's a complete list of available element modifiers:
| Modifier | Target |
| ---------------------------- | ---------------------------- |
| `prose-headings:{utility}` | `h1`, `h2`, `h3`, `h4`, `th` |
| `prose-lead:{utility}` | `[class~="lead"]` |
| `prose-h1:{utility}` | `h1` |
| `prose-h2:{utility}` | `h2` |
| `prose-h3:{utility}` | `h3` |
| `prose-h4:{utility}` | `h4` |
| `prose-p:{utility}` | `p` |
| `prose-a:{utility}` | `a` |
| `prose-blockquote:{utility}` | `blockquote` |
| `prose-figure:{utility}` | `figure` |
| `prose-figcaption:{utility}` | `figcaption` |
| `prose-strong:{utility}` | `strong` |
| `prose-em:{utility}` | `em` |
| `prose-kbd:{utility}` | `kbd` |
| `prose-code:{utility}` | `code` |
| `prose-pre:{utility}` | `pre` |
| `prose-ol:{utility}` | `ol` |
| `prose-ul:{utility}` | `ul` |
| `prose-li:{utility}` | `li` |
| `prose-table:{utility}` | `table` |
| `prose-thead:{utility}` | `thead` |
| `prose-tr:{utility}` | `tr` |
| `prose-th:{utility}` | `th` |
| `prose-td:{utility}` | `td` |
| `prose-img:{utility}` | `img` |
| `prose-video:{utility}` | `video` |
| `prose-hr:{utility}` | `hr` |
When stacking these modifiers with other modifiers like `hover`, you most likely want the other modifier to come first:
```html
<article class="prose prose-a:text-blue-600 hover:prose-a:text-blue-500">{{ markdown }}</article>
```
Read the Tailwind CSS documentation on [ordering stacked modifiers](https://tailwindcss.com/docs/hover-focus-and-other-states#ordering-stacked-modifiers) to learn more.
### Overriding max-width
Each size modifier comes with a baked in `max-width` designed to keep the content as readable as possible. This isn't always what you want though, and sometimes you'll want the content to just fill the width of its container.
In those cases, all you need to do is add `max-w-none` to your content to override the embedded max-width:
```html
<div class="grid grid-cols-4">
<div class="col-span-1">
<!-- ... -->
</div>
<div class="col-span-3">
<article class="prose max-w-none">{{ markdown }}</article>
</div>
</div>
```
---
## Advanced topics
### Undoing typography styles
If you have a block of markup embedded in some content that shouldn't inherit the `prose` styles, use the `not-prose` class to sandbox it:
```html
<article class="prose">
<h1>My Heading</h1>
<p>...</p>
<div class="not-prose">
<!-- Some example or demo that needs to be prose-free -->
</div>
<p>...</p>
<!-- ... -->
</article>
```
Note that you can't nest new `prose` instances within a `not-prose` block at this time.
### Adding custom color themes
You can create your own color theme by adding a new key in the `typography` section of your `tailwind.config.js` file and providing your colors under the `css` key:
```js {{ filename: 'tailwind.config.js' }}
/** @type {import('tailwindcss').Config} */
module.exports = {
theme: {
extend: {
typography: ({ theme }) => ({
pink: {
css: {
'--tw-prose-body': theme('colors.pink[800]'),
'--tw-prose-headings': theme('colors.pink[900]'),
'--tw-prose-lead': theme('colors.pink[700]'),
'--tw-prose-links': theme('colors.pink[900]'),
'--tw-prose-bold': theme('colors.pink[900]'),
'--tw-prose-counters': theme('colors.pink[600]'),
'--tw-prose-bullets': theme('colors.pink[400]'),
'--tw-prose-hr': theme('colors.pink[300]'),
'--tw-prose-quotes': theme('colors.pink[900]'),
'--tw-prose-quote-borders': theme('colors.pink[300]'),
'--tw-prose-captions': theme('colors.pink[700]'),
'--tw-prose-code': theme('colors.pink[900]'),
'--tw-prose-pre-code': theme('colors.pink[100]'),
'--tw-prose-pre-bg': theme('colors.pink[900]'),
'--tw-prose-th-borders': theme('colors.pink[300]'),
'--tw-prose-td-borders': theme('colors.pink[200]'),
'--tw-prose-invert-body': theme('colors.pink[200]'),
'--tw-prose-invert-headings': theme('colors.white'),
'--tw-prose-invert-lead': theme('colors.pink[300]'),
'--tw-prose-invert-links': theme('colors.white'),
'--tw-prose-invert-bold': theme('colors.white'),
'--tw-prose-invert-counters': theme('colors.pink[400]'),
'--tw-prose-invert-bullets': theme('colors.pink[600]'),
'--tw-prose-invert-hr': theme('colors.pink[700]'),
'--tw-prose-invert-quotes': theme('colors.pink[100]'),
'--tw-prose-invert-quote-borders': theme('colors.pink[700]'),
'--tw-prose-invert-captions': theme('colors.pink[400]'),
'--tw-prose-invert-code': theme('colors.white'),
'--tw-prose-invert-pre-code': theme('colors.pink[300]'),
'--tw-prose-invert-pre-bg': 'rgb(0 0 0 / 50%)',
'--tw-prose-invert-th-borders': theme('colors.pink[600]'),
'--tw-prose-invert-td-borders': theme('colors.pink[700]'),
},
},
}),
},
},
plugins: [
require('@tailwindcss/typography'),
// ...
],
}
```
See our internal [style definitions](https://github.com/tailwindlabs/tailwindcss-typography/blob/main/src/styles.js) for some more examples.
### Changing the default class name
If you need to use a class name other than `prose` for any reason, you can do so using the `className` option when registering the plugin:
```js {{ filename: 'tailwind.config.js' }}
/** @type {import('tailwindcss').Config} */
module.exports = {
theme: {
// ...
},
plugins: [
require('@tailwindcss/typography')({
className: 'wysiwyg',
}),
]
...
}
```
Now every instance of `prose` in the default class names will be replaced by your custom class name:
```html
<article class="wysiwyg wysiwyg-slate lg:wysiwyg-xl">
<h1>My Heading</h1>
<p>...</p>
<div class="not-wysiwyg">
<!-- Some example or demo that needs to be prose-free -->
</div>
<p>...</p>
<!-- ... -->
</article>
```
### Customizing the CSS
If you want to customize the raw CSS generated by this plugin, add your overrides under the `typography` key in the `theme` section of your `tailwind.config.js` file:
```js {{ filename: 'tailwind.config.js' }}
/** @type {import('tailwindcss').Config} */
module.exports = {
theme: {
extend: {
typography: {
DEFAULT: {
css: {
color: '#333',
a: {
color: '#3182ce',
'&:hover': {
color: '#2c5282',
},
},
},
},
},
},
},
plugins: [
require('@tailwindcss/typography'),
// ...
],
}
```
Like with all theme customizations in Tailwind, you can also define the `typography` key as a function if you need access to the `theme` helper:
```js {{ filename: 'tailwind.config.js' }}
/** @type {import('tailwindcss').Config} */
module.exports = {
theme: {
extend: {
typography: (theme) => ({
DEFAULT: {
css: {
color: theme('colors.gray.800'),
// ...
},
},
}),
},
},
plugins: [
require('@tailwindcss/typography'),
// ...
],
}
```
Customizations should be applied to a specific modifier like `DEFAULT` or `xl`, and must be added under the `css` property. Customizations are authored in the same [CSS-in-JS syntax](https://tailwindcss.com/docs/plugins#css-in-js-syntax) used to write Tailwind plugins.
See [the default styles](https://github.com/tailwindlabs/tailwindcss-typography/blob/main/src/styles.js) for this plugin for more in-depth examples of configuring each modifier.
---
## Community
For help, discussion about best practices, or any other conversation that would benefit from being searchable:
[Discuss the Tailwind CSS Typography plugin on GitHub](https://github.com/tailwindlabs/tailwindcss/discussions)
For casual chit-chat with others using the framework:
[Join the Tailwind CSS Discord Server](https://tailwindcss.com/discord)

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# API Documentation
*Please use only this documented API when working with the parser. Methods
not documented here are subject to change at any point.*
## `parser` function
This is the module's main entry point.
```js
const parser = require('postcss-selector-parser');
```
### `parser([transform], [options])`
Creates a new `processor` instance
```js
const processor = parser();
```
Or, with optional transform function
```js
const transform = selectors => {
selectors.walkUniversals(selector => {
selector.remove();
});
};
const processor = parser(transform)
// Example
const result = processor.processSync('*.class');
// => .class
```
[See processor documentation](#processor)
Arguments:
* `transform (function)`: Provide a function to work with the parsed AST.
* `options (object)`: Provide default options for all calls on the returned `Processor`.
### `parser.attribute([props])`
Creates a new attribute selector.
```js
parser.attribute({attribute: 'href'});
// => [href]
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.className([props])`
Creates a new class selector.
```js
parser.className({value: 'button'});
// => .button
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.combinator([props])`
Creates a new selector combinator.
```js
parser.combinator({value: '+'});
// => +
```
Arguments:
* `props (object)`: The new node's properties.
Notes:
* **Descendant Combinators** The value of descendant combinators created by the
parser always just a single space (`" "`). For descendant selectors with no
comments, additional space is now stored in `node.spaces.before`. Depending
on the location of comments, additional spaces may be stored in
`node.raws.spaces.before`, `node.raws.spaces.after`, or `node.raws.value`.
* **Named Combinators** Although, nonstandard and unlikely to ever become a standard,
named combinators like `/deep/` and `/for/` are parsed as combinators. The
`node.value` is name after being unescaped and normalized as lowercase. The
original value for the combinator name is stored in `node.raws.value`.
### `parser.comment([props])`
Creates a new comment.
```js
parser.comment({value: '/* Affirmative, Dave. I read you. */'});
// => /* Affirmative, Dave. I read you. */
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.id([props])`
Creates a new id selector.
```js
parser.id({value: 'search'});
// => #search
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.nesting([props])`
Creates a new nesting selector.
```js
parser.nesting();
// => &
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.pseudo([props])`
Creates a new pseudo selector.
```js
parser.pseudo({value: '::before'});
// => ::before
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.root([props])`
Creates a new root node.
```js
parser.root();
// => (empty)
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.selector([props])`
Creates a new selector node.
```js
parser.selector();
// => (empty)
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.string([props])`
Creates a new string node.
```js
parser.string();
// => (empty)
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.tag([props])`
Creates a new tag selector.
```js
parser.tag({value: 'button'});
// => button
```
Arguments:
* `props (object)`: The new node's properties.
### `parser.universal([props])`
Creates a new universal selector.
```js
parser.universal();
// => *
```
Arguments:
* `props (object)`: The new node's properties.
## Node types
### `node.type`
A string representation of the selector type. It can be one of the following;
`attribute`, `class`, `combinator`, `comment`, `id`, `nesting`, `pseudo`,
`root`, `selector`, `string`, `tag`, or `universal`. Note that for convenience,
these constants are exposed on the main `parser` as uppercased keys. So for
example you can get `id` by querying `parser.ID`.
```js
parser.attribute({attribute: 'href'}).type;
// => 'attribute'
```
### `node.parent`
Returns the parent node.
```js
root.nodes[0].parent === root;
```
### `node.toString()`, `String(node)`, or `'' + node`
Returns a string representation of the node.
```js
const id = parser.id({value: 'search'});
console.log(String(id));
// => #search
```
### `node.next()` & `node.prev()`
Returns the next/previous child of the parent node.
```js
const next = id.next();
if (next && next.type !== 'combinator') {
throw new Error('Qualified IDs are not allowed!');
}
```
### `node.replaceWith(node)`
Replace a node with another.
```js
const attr = selectors.first.first;
const className = parser.className({value: 'test'});
attr.replaceWith(className);
```
Arguments:
* `node`: The node to substitute the original with.
### `node.remove()`
Removes the node from its parent node.
```js
if (node.type === 'id') {
node.remove();
}
```
### `node.clone()`
Returns a copy of a node, detached from any parent containers that the
original might have had.
```js
const cloned = parser.id({value: 'search'});
String(cloned);
// => #search
```
### `node.isAtPosition(line, column)`
Return a `boolean` indicating whether this node includes the character at the
position of the given line and column. Returns `undefined` if the nodes lack
sufficient source metadata to determine the position.
Arguments:
* `line`: 1-index based line number relative to the start of the selector.
* `column`: 1-index based column number relative to the start of the selector.
### `node.spaces`
Extra whitespaces around the node will be moved into `node.spaces.before` and
`node.spaces.after`. So for example, these spaces will be moved as they have
no semantic meaning:
```css
h1 , h2 {}
```
For descendent selectors, the value is always a single space.
```css
h1 h2 {}
```
Additional whitespace is found in either the `node.spaces.before` and `node.spaces.after` depending on the presence of comments or other whitespace characters. If the actual whitespace does not start or end with a single space, the node's raw value is set to the actual space(s) found in the source.
### `node.source`
An object describing the node's start/end, line/column source position.
Within the following CSS, the `.bar` class node ...
```css
.foo,
.bar {}
```
... will contain the following `source` object.
```js
source: {
start: {
line: 2,
column: 3
},
end: {
line: 2,
column: 6
}
}
```
### `node.sourceIndex`
The zero-based index of the node within the original source string.
Within the following CSS, the `.baz` class node will have a `sourceIndex` of `12`.
```css
.foo, .bar, .baz {}
```
## Container types
The `root`, `selector`, and `pseudo` nodes have some helper methods for working
with their children.
### `container.nodes`
An array of the container's children.
```js
// Input: h1 h2
selectors.at(0).nodes.length // => 3
selectors.at(0).nodes[0].value // => 'h1'
selectors.at(0).nodes[1].value // => ' '
```
### `container.first` & `container.last`
The first/last child of the container.
```js
selector.first === selector.nodes[0];
selector.last === selector.nodes[selector.nodes.length - 1];
```
### `container.at(index)`
Returns the node at position `index`.
```js
selector.at(0) === selector.first;
selector.at(0) === selector.nodes[0];
```
Arguments:
* `index`: The index of the node to return.
### `container.atPosition(line, column)`
Returns the node at the source position `index`.
```js
selector.at(0) === selector.first;
selector.at(0) === selector.nodes[0];
```
Arguments:
* `index`: The index of the node to return.
### `container.index(node)`
Return the index of the node within its container.
```js
selector.index(selector.nodes[2]) // => 2
```
Arguments:
* `node`: A node within the current container.
### `container.length`
Proxy to the length of the container's nodes.
```js
container.length === container.nodes.length
```
### `container` Array iterators
The container class provides proxies to certain Array methods; these are:
* `container.map === container.nodes.map`
* `container.reduce === container.nodes.reduce`
* `container.every === container.nodes.every`
* `container.some === container.nodes.some`
* `container.filter === container.nodes.filter`
* `container.sort === container.nodes.sort`
Note that these methods only work on a container's immediate children; recursive
iteration is provided by `container.walk`.
### `container.each(callback)`
Iterate the container's immediate children, calling `callback` for each child.
You may return `false` within the callback to break the iteration.
```js
let className;
selectors.each((selector, index) => {
if (selector.type === 'class') {
className = selector.value;
return false;
}
});
```
Note that unlike `Array#forEach()`, this iterator is safe to use whilst adding
or removing nodes from the container.
Arguments:
* `callback (function)`: A function to call for each node, which receives `node`
and `index` arguments.
### `container.walk(callback)`
Like `container#each`, but will also iterate child nodes as long as they are
`container` types.
```js
selectors.walk((selector, index) => {
// all nodes
});
```
Arguments:
* `callback (function)`: A function to call for each node, which receives `node`
and `index` arguments.
This iterator is safe to use whilst mutating `container.nodes`,
like `container#each`.
### `container.walk` proxies
The container class provides proxy methods for iterating over types of nodes,
so that it is easier to write modules that target specific selectors. Those
methods are:
* `container.walkAttributes`
* `container.walkClasses`
* `container.walkCombinators`
* `container.walkComments`
* `container.walkIds`
* `container.walkNesting`
* `container.walkPseudos`
* `container.walkTags`
* `container.walkUniversals`
### `container.split(callback)`
This method allows you to split a group of nodes by returning `true` from
a callback. It returns an array of arrays, where each inner array corresponds
to the groups that you created via the callback.
```js
// (input) => h1 h2>>h3
const list = selectors.first.split(selector => {
return selector.type === 'combinator';
});
// (node values) => [['h1', ' '], ['h2', '>>'], ['h3']]
```
Arguments:
* `callback (function)`: A function to call for each node, which receives `node`
as an argument.
### `container.prepend(node)` & `container.append(node)`
Add a node to the start/end of the container. Note that doing so will set
the parent property of the node to this container.
```js
const id = parser.id({value: 'search'});
selector.append(id);
```
Arguments:
* `node`: The node to add.
### `container.insertBefore(old, new)` & `container.insertAfter(old, new)`
Add a node before or after an existing node in a container:
```js
selectors.walk(selector => {
if (selector.type !== 'class') {
const className = parser.className({value: 'theme-name'});
selector.parent.insertAfter(selector, className);
}
});
```
Arguments:
* `old`: The existing node in the container.
* `new`: The new node to add before/after the existing node.
### `container.removeChild(node)`
Remove the node from the container. Note that you can also use
`node.remove()` if you would like to remove just a single node.
```js
selector.length // => 2
selector.remove(id)
selector.length // => 1;
id.parent // undefined
```
Arguments:
* `node`: The node to remove.
### `container.removeAll()` or `container.empty()`
Remove all children from the container.
```js
selector.removeAll();
selector.length // => 0
```
## Root nodes
A root node represents a comma separated list of selectors. Indeed, all
a root's `toString()` method does is join its selector children with a ','.
Other than this, it has no special functionality and acts like a container.
### `root.trailingComma`
This will be set to `true` if the input has a trailing comma, in order to
support parsing of legacy CSS hacks.
## Selector nodes
A selector node represents a single complex selector. For example, this
selector string `h1 h2 h3, [href] > p`, is represented as two selector nodes.
It has no special functionality of its own.
## Pseudo nodes
A pseudo selector extends a container node; if it has any parameters of its
own (such as `h1:not(h2, h3)`), they will be its children. Note that the pseudo
`value` will always contain the colons preceding the pseudo identifier. This
is so that both `:before` and `::before` are properly represented in the AST.
## Attribute nodes
### `attribute.quoted`
Returns `true` if the attribute's value is wrapped in quotation marks, false if it is not.
Remains `undefined` if there is no attribute value.
```css
[href=foo] /* false */
[href='foo'] /* true */
[href="foo"] /* true */
[href] /* undefined */
```
### `attribute.qualifiedAttribute`
Returns the attribute name qualified with the namespace if one is given.
### `attribute.offsetOf(part)`
Returns the offset of the attribute part specified relative to the
start of the node of the output string. This is useful in raising
error messages about a specific part of the attribute, especially
in combination with `attribute.sourceIndex`.
Returns `-1` if the name is invalid or the value doesn't exist in this
attribute.
The legal values for `part` are:
* `"ns"` - alias for "namespace"
* `"namespace"` - the namespace if it exists.
* `"attribute"` - the attribute name
* `"attributeNS"` - the start of the attribute or its namespace
* `"operator"` - the match operator of the attribute
* `"value"` - The value (string or identifier)
* `"insensitive"` - the case insensitivity flag
### `attribute.raws.unquoted`
Returns the unquoted content of the attribute's value.
Remains `undefined` if there is no attribute value.
```css
[href=foo] /* foo */
[href='foo'] /* foo */
[href="foo"] /* foo */
[href] /* undefined */
```
### `attribute.spaces`
Like `node.spaces` with the `before` and `after` values containing the spaces
around the element, the parts of the attribute can also have spaces before
and after them. The for each of `attribute`, `operator`, `value` and
`insensitive` there is corresponding property of the same nam in
`node.spaces` that has an optional `before` or `after` string containing only
whitespace.
Note that corresponding values in `attributes.raws.spaces` contain values
including any comments. If set, these values will override the
`attribute.spaces` value. Take care to remove them if changing
`attribute.spaces`.
### `attribute.raws`
The raws object stores comments and other information necessary to re-render
the node exactly as it was in the source.
If a comment is embedded within the identifiers for the `namespace`, `attribute`
or `value` then a property is placed in the raws for that value containing the full source of the propery including comments.
If a comment is embedded within the space between parts of the attribute
then the raw for that space is set accordingly.
Setting an attribute's property `raws` value to be deleted.
For now, changing the spaces required also updating or removing any of the
raws values that override them.
Example: `[ /*before*/ href /* after-attr */ = /* after-operator */ te/*inside-value*/st/* wow */ /*omg*/i/*bbq*/ /*whodoesthis*/]` would parse as:
```js
{
attribute: "href",
operator: "=",
value: "test",
spaces: {
before: '',
after: '',
attribute: { before: ' ', after: ' ' },
operator: { after: ' ' },
value: { after: ' ' },
insensitive: { after: ' ' }
},
raws: {
spaces: {
attribute: { before: ' /*before*/ ', after: ' /* after-attr */ ' },
operator: { after: ' /* after-operator */ ' },
value: { after: '/* wow */ /*omg*/' },
insensitive: { after: '/*bbq*/ /*whodoesthis*/' }
},
unquoted: 'test',
value: 'te/*inside-value*/st'
}
}
```
## `Processor`
### `ProcessorOptions`
* `lossless` - When `true`, whitespace is preserved. Defaults to `true`.
* `updateSelector` - When `true`, if any processor methods are passed a postcss
`Rule` node instead of a string, then that Rule's selector is updated
with the results of the processing. Defaults to `true`.
### `process|processSync(selectors, [options])`
Processes the `selectors`, returning a string from the result of processing.
Note: when the `updateSelector` option is set, the rule's selector
will be updated with the resulting string.
**Example:**
```js
const parser = require("postcss-selector-parser");
const processor = parser();
let result = processor.processSync(' .class');
console.log(result);
// => .class
// Asynchronous operation
let promise = processor.process(' .class').then(result => {
console.log(result)
// => .class
});
// To have the parser normalize whitespace values, utilize the options
result = processor.processSync(' .class ', {lossless: false});
console.log(result);
// => .class
// For better syntax errors, pass a PostCSS Rule node.
const postcss = require('postcss');
rule = postcss.rule({selector: ' #foo > a, .class '});
processor.process(rule, {lossless: false, updateSelector: true}).then(result => {
console.log(result);
// => #foo>a,.class
console.log("rule:", rule.selector);
// => rule: #foo>a,.class
})
```
Arguments:
* `selectors (string|postcss.Rule)`: Either a selector string or a PostCSS Rule
node.
* `[options] (object)`: Process options
### `ast|astSync(selectors, [options])`
Like `process()` and `processSync()` but after
processing the `selectors` these methods return the `Root` node of the result
instead of a string.
Note: when the `updateSelector` option is set, the rule's selector
will be updated with the resulting string.
### `transform|transformSync(selectors, [options])`
Like `process()` and `processSync()` but after
processing the `selectors` these methods return the value returned by the
processor callback.
Note: when the `updateSelector` option is set, the rule's selector
will be updated with the resulting string.
### Error Handling Within Selector Processors
The root node passed to the selector processor callback
has a method `error(message, options)` that returns an
error object. This method should always be used to raise
errors relating to the syntax of selectors. The options
to this method are passed to postcss's error constructor
([documentation](http://api.postcss.org/Container.html#error)).
#### Async Error Example
```js
let processor = (root) => {
return new Promise((resolve, reject) => {
root.walkClasses((classNode) => {
if (/^(.*)[-_]/.test(classNode.value)) {
let msg = "classes may not have underscores or dashes in them";
reject(root.error(msg, {
index: classNode.sourceIndex + RegExp.$1.length + 1,
word: classNode.value
}));
}
});
resolve();
});
};
const postcss = require("postcss");
const parser = require("postcss-selector-parser");
const selectorProcessor = parser(processor);
const plugin = postcss.plugin('classValidator', (options) => {
return (root) => {
let promises = [];
root.walkRules(rule => {
promises.push(selectorProcessor.process(rule));
});
return Promise.all(promises);
};
});
postcss(plugin()).process(`
.foo-bar {
color: red;
}
`.trim(), {from: 'test.css'}).catch((e) => console.error(e.toString()));
// CssSyntaxError: classValidator: ./test.css:1:5: classes may not have underscores or dashes in them
//
// > 1 | .foo-bar {
// | ^
// 2 | color: red;
// 3 | }
```
#### Synchronous Error Example
```js
let processor = (root) => {
root.walkClasses((classNode) => {
if (/.*[-_]/.test(classNode.value)) {
let msg = "classes may not have underscores or dashes in them";
throw root.error(msg, {
index: classNode.sourceIndex,
word: classNode.value
});
}
});
};
const postcss = require("postcss");
const parser = require("postcss-selector-parser");
const selectorProcessor = parser(processor);
const plugin = postcss.plugin('classValidator', (options) => {
return (root) => {
root.walkRules(rule => {
selectorProcessor.processSync(rule);
});
};
});
postcss(plugin()).process(`
.foo-bar {
color: red;
}
`.trim(), {from: 'test.css'}).catch((e) => console.error(e.toString()));
// CssSyntaxError: classValidator: ./test.css:1:5: classes may not have underscores or dashes in them
//
// > 1 | .foo-bar {
// | ^
// 2 | color: red;
// 3 | }
```

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@ -0,0 +1,513 @@
# 6.0.10
- Fixed: `isPseudoElement()` supports `:first-letter` and `:first-line`
# 6.0.9
- Fixed: `Combinator.raws` property type
# 6.0.8
- Fixed: reduced size
# 6.0.7
- Fixed: parse animation percents
# 6.0.6
- Fixed: parse quoted attributes containing a newline correctly
# 6.0.5
- Perf: rework unesc for a 63+% performance boost
# 6.0.4
- Fixed: ts errors
# 6.0.3
- Fixed: replace node built-in "util" module with "util-deprecate"
- Fixed: handle uppercase pseudo elements
- Fixed: do not create invalid combinator before comment
# 6.0.2
- Fixed an issue with parsing and stringifying an empty attribute value
# 6.0.1
- Fixed an issue with unicode surrogate pair parsing
# 6.0.0
- Updated: `cssesc` to 3.0.0 (major)
- Fixed: Issues with escaped `id` and `class` selectors
# 5.0.0
- Allow escaped dot within class name.
- Update PostCSS to 7.0.7 (patch)
# 5.0.0-rc.4
- Fixed an issue where comments immediately after an insensitive (in attribute)
were not parsed correctly.
- Updated `cssesc` to 2.0.0 (major).
- Removed outdated integration tests.
- Added tests for custom selectors, tags with attributes, the universal
selector with pseudos, and tokens after combinators.
# 5.0.0-rc.1
To ease adoption of the v5.0 release, we have relaxed the node version
check performed by npm at installation time to allow for node 4, which
remains officially unsupported, but likely to continue working for the
time being.
# 5.0.0-rc.0
This release has **BREAKING CHANGES** that were required to fix regressions
in 4.0.0 and to make the Combinator Node API consistent for all combinator
types. Please read carefully.
## Summary of Changes
* The way a descendent combinator that isn't a single space character (E.g. `.a .b`) is stored in the AST has changed.
* Named Combinators (E.g. `.a /for/ .b`) are now properly parsed as a combinator.
* It is now possible to look up a node based on the source location of a character in that node and to query nodes if they contain some character.
* Several bug fixes that caused the parser to hang and run out of memory when a `/` was encountered have been fixed.
* The minimum supported version of Node is now `v6.0.0`.
### Changes to the Descendent Combinator
In prior releases, the value of a descendant combinator with multiple spaces included all the spaces.
* `.a .b`: Extra spaces are now stored as space before.
- Old & Busted:
- `combinator.value === " "`
- New hotness:
- `combinator.value === " " && combinator.spaces.before === " "`
* `.a /*comment*/.b`: A comment at the end of the combinator causes extra space to become after space.
- Old & Busted:
- `combinator.value === " "`
- `combinator.raws.value === " /*comment/"`
- New hotness:
- `combinator.value === " "`
- `combinator.spaces.after === " "`
- `combinator.raws.spaces.after === " /*comment*/"`
* `.a<newline>.b`: whitespace that doesn't start or end with a single space character is stored as a raw value.
- Old & Busted:
- `combinator.value === "\n"`
- `combinator.raws.value === undefined`
- New hotness:
- `combinator.value === " "`
- `combinator.raws.value === "\n"`
### Support for "Named Combinators"
Although, nonstandard and unlikely to ever become a standard, combinators like `/deep/` and `/for/` are now properly supported.
Because they've been taken off the standardization track, there is no spec-official name for combinators of the form `/<ident>/`. However, I talked to [Tab Atkins](https://twitter.com/tabatkins) and we agreed to call them "named combinators" so now they are called that.
Before this release such named combinators were parsed without intention and generated three nodes of type `"tag"` where the first and last nodes had a value of `"/"`.
* `.a /for/ .b` is parsed as a combinator.
- Old & Busted:
- `root.nodes[0].nodes[1].type === "tag"`
- `root.nodes[0].nodes[1].value === "/"`
- New hotness:
- `root.nodes[0].nodes[1].type === "combinator"`
- `root.nodes[0].nodes[1].value === "/for/"`
* `.a /F\6fR/ .b` escapes are handled and uppercase is normalized.
- Old & Busted:
- `root.nodes[0].nodes[2].type === "tag"`
- `root.nodes[0].nodes[2].value === "F\\6fR"`
- New hotness:
- `root.nodes[0].nodes[1].type === "combinator"`
- `root.nodes[0].nodes[1].value === "/for/"`
- `root.nodes[0].nodes[1].raws.value === "/F\\6fR/"`
### Source position checks and lookups
A new API was added to look up a node based on the source location.
```js
const selectorParser = require("postcss-selector-parser");
// You can find the most specific node for any given character
let combinator = selectorParser.astSync(".a > .b").atPosition(1,4);
combinator.toString() === " > ";
// You can check if a node includes a specific character
// Whitespace surrounding the node that is owned by that node
// is included in the check.
[2,3,4,5,6].map(column => combinator.isAtPosition(1, column));
// => [false, true, true, true, false]
```
# 4.0.0
This release has **BREAKING CHANGES** that were required to fix bugs regarding values with escape sequences. Please read carefully.
* **Identifiers with escapes** - CSS escape sequences are now hidden from the public API by default.
The normal value of a node like a class name or ID, or an aspect of a node such as attribute
selector's value, is unescaped. Escapes representing Non-ascii characters are unescaped into
unicode characters. For example: `bu\tton, .\31 00, #i\2764\FE0Fu, [attr="value is \"quoted\""]`
will parse respectively to the values `button`, `100`, `i❤u`, `value is "quoted"`.
The original escape sequences for these values can be found in the corresponding property name
in `node.raws`. Where possible, deprecation warnings were added, but the nature
of escape handling makes it impossible to detect what is escaped or not. Our expectation is
that most users are neither expecting nor handling escape sequences in their use of this library,
and so for them, this is a bug fix. Users who are taking care to handle escapes correctly can
now update their code to remove the escape handling and let us do it for them.
* **Mutating values with escapes** - When you make an update to a node property that has escape handling
The value is assumed to be unescaped, and any special characters are escaped automatically and
the corresponding `raws` value is immediately updated. This can result in changes to the original
escape format. Where the exact value of the escape sequence is important there are methods that
allow both values to be set in conjunction. There are a number of new convenience methods for
manipulating values that involve escapes, especially for attributes values where the quote mark
is involved. See https://github.com/postcss/postcss-selector-parser/pull/133 for an extensive
write-up on these changes.
**Upgrade/API Example**
In `3.x` there was no unescape handling and internal consistency of several properties was the caller's job to maintain. It was very easy for the developer
to create a CSS file that did not parse correctly when some types of values
were in use.
```js
const selectorParser = require("postcss-selector-parser");
let attr = selectorParser.attribute({attribute: "id", operator: "=", value: "a-value"});
attr.value; // => "a-value"
attr.toString(); // => [id=a-value]
// Add quotes to an attribute's value.
// All these values have to be set by the caller to be consistent:
// no internal consistency is maintained.
attr.raws.unquoted = attr.value
attr.value = "'" + attr.value + "'";
attr.value; // => "'a-value'"
attr.quoted = true;
attr.toString(); // => "[id='a-value']"
```
In `4.0` there is a convenient API for setting and mutating values
that may need escaping. Especially for attributes.
```js
const selectorParser = require("postcss-selector-parser");
// The constructor requires you specify the exact escape sequence
let className = selectorParser.className({value: "illegal class name", raws: {value: "illegal\\ class\\ name"}});
className.toString(); // => '.illegal\\ class\\ name'
// So it's better to set the value as a property
className = selectorParser.className();
// Most properties that deal with identifiers work like this
className.value = "escape for me";
className.value; // => 'escape for me'
className.toString(); // => '.escape\\ for\\ me'
// emoji and all non-ascii are escaped to ensure it works in every css file.
className.value = "😱🦄😍";
className.value; // => '😱🦄😍'
className.toString(); // => '.\\1F631\\1F984\\1F60D'
// you can control the escape sequence if you want, or do bad bad things
className.setPropertyAndEscape('value', 'xxxx', 'yyyy');
className.value; // => "xxxx"
className.toString(); // => ".yyyy"
// Pass a value directly through to the css output without escaping it.
className.setPropertyWithoutEscape('value', '$REPLACE_ME$');
className.value; // => "$REPLACE_ME$"
className.toString(); // => ".$REPLACE_ME$"
// The biggest changes are to the Attribute class
// passing quoteMark explicitly is required to avoid a deprecation warning.
let attr = selectorParser.attribute({attribute: "id", operator: "=", value: "a-value", quoteMark: null});
attr.toString(); // => "[id=a-value]"
// Get the value with quotes on it and any necessary escapes.
// This is the same as reading attr.value in 3.x.
attr.getQuotedValue(); // => "a-value";
attr.quoteMark; // => null
// Add quotes to an attribute's value.
attr.quoteMark = "'"; // This is all that's required.
attr.toString(); // => "[id='a-value']"
attr.quoted; // => true
// The value is still the same, only the quotes have changed.
attr.value; // => a-value
attr.getQuotedValue(); // => "'a-value'";
// deprecated assignment, no warning because there's no escapes
attr.value = "new-value";
// no quote mark is needed so it is removed
attr.getQuotedValue(); // => "new-value";
// deprecated assignment,
attr.value = "\"a 'single quoted' value\"";
// > (node:27859) DeprecationWarning: Assigning an attribute a value containing characters that might need to be escaped is deprecated. Call attribute.setValue() instead.
attr.getQuotedValue(); // => '"a \'single quoted\' value"';
// quote mark inferred from first and last characters.
attr.quoteMark; // => '"'
// setValue takes options to make manipulating the value simple.
attr.setValue('foo', {smart: true});
// foo doesn't require any escapes or quotes.
attr.toString(); // => '[id=foo]'
attr.quoteMark; // => null
// An explicit quote mark can be specified
attr.setValue('foo', {quoteMark: '"'});
attr.toString(); // => '[id="foo"]'
// preserves quote mark by default
attr.setValue('bar');
attr.toString(); // => '[id="bar"]'
attr.quoteMark = null;
attr.toString(); // => '[id=bar]'
// with no arguments, it preserves quote mark even when it's not a great idea
attr.setValue('a value \n that should be quoted');
attr.toString(); // => '[id=a\\ value\\ \\A\\ that\\ should\\ be\\ quoted]'
// smart preservation with a specified default
attr.setValue('a value \n that should be quoted', {smart: true, preferCurrentQuoteMark: true, quoteMark: "'"});
// => "[id='a value \\A that should be quoted']"
attr.quoteMark = '"';
// => '[id="a value \\A that should be quoted"]'
// this keeps double quotes because it wants to quote the value and the existing value has double quotes.
attr.setValue('this should be quoted', {smart: true, preferCurrentQuoteMark: true, quoteMark: "'"});
// => '[id="this should be quoted"]'
// picks single quotes because the value has double quotes
attr.setValue('a "double quoted" value', {smart: true, preferCurrentQuoteMark: true, quoteMark: "'"});
// => "[id='a "double quoted" value']"
// setPropertyAndEscape lets you do anything you want. Even things that are a bad idea and illegal.
attr.setPropertyAndEscape('value', 'xxxx', 'the password is 42');
attr.value; // => "xxxx"
attr.toString(); // => "[id=the password is 42]"
// Pass a value directly through to the css output without escaping it.
attr.setPropertyWithoutEscape('value', '$REPLACEMENT$');
attr.value; // => "$REPLACEMENT$"
attr.toString(); // => "[id=$REPLACEMENT$]"
```
# 3.1.2
* Fix: Removed dot-prop dependency since it's no longer written in es5.
# 3.1.1
* Fix: typescript definitions weren't in the published package.
# 3.1.0
* Fixed numerous bugs in attribute nodes relating to the handling of comments
and whitespace. There's significant changes to `attrNode.spaces` and `attrNode.raws` since the `3.0.0` release.
* Added `Attribute#offsetOf(part)` to get the offset location of
attribute parts like `"operator"` and `"value"`. This is most
often added to `Attribute#sourceIndex` for error reporting.
# 3.0.0
## Breaking changes
* Some tweaks to the tokenizer/attribute selector parsing mean that whitespace
locations might be slightly different to the 2.x code.
* Better attribute selector parsing with more validation; postcss-selector-parser
no longer uses regular expressions to parse attribute selectors.
* Added an async API (thanks to @jacobp100); the default `process` API is now
async, and the sync API is now accessed through `processSync` instead.
* `process()` and `processSync()` now return a string instead of the Processor
instance.
* Tweaks handling of Less interpolation (thanks to @jwilsson).
* Removes support for Node 0.12.
## Other changes
* `ast()` and `astSync()` methods have been added to the `Processor`. These
return the `Root` node of the selectors after processing them.
* `transform()` and `transformSync()` methods have been added to the
`Processor`. These return the value returned by the processor callback
after processing the selectors.
* Set the parent when inserting a node (thanks to @chriseppstein).
* Correctly adjust indices when using insertBefore/insertAfter (thanks to @tivac).
* Fixes handling of namespaces with qualified tag selectors.
* `process`, `ast` and `transform` (and their sync variants) now accept a
`postcss` rule node. When provided, better errors are generated and selector
processing is automatically set back to the rule selector (unless the `updateSelector` option is set to `false`.)
* Now more memory efficient when tokenizing selectors.
### Upgrade hints
The pattern of:
`rule.selector = processor.process(rule.selector).result.toString();`
is now:
`processor.processSync(rule)`
# 2.2.3
* Resolves an issue where the parser would not reduce multiple spaces between an
ampersand and another simple selector in lossy mode (thanks to @adam-26).
# 2.2.2
* No longer hangs on an unescaped semicolon; instead the parser will throw
an exception for these cases.
# 2.2.1
* Allows a consumer to specify whitespace tokens when creating a new Node
(thanks to @Semigradsky).
# 2.2.0
* Added a new option to normalize whitespace when parsing the selector string
(thanks to @adam-26).
# 2.1.1
* Better unquoted value handling within attribute selectors
(thanks to @evilebottnawi).
# 2.1.0
* Added: Use string constants for all node types & expose them on the main
parser instance (thanks to @Aweary).
# 2.0.0
This release contains the following breaking changes:
* Renamed all `eachInside` iterators to `walk`. For example, `eachTag` is now
`walkTags`, and `eachInside` is now `walk`.
* Renamed `Node#removeSelf()` to `Node#remove()`.
* Renamed `Container#remove()` to `Container#removeChild()`.
* Renamed `Node#raw` to `Node#raws` (thanks to @davidtheclark).
* Now parses `&` as the *nesting* selector, rather than a *tag* selector.
* Fixes misinterpretation of Sass interpolation (e.g. `#{foo}`) as an
id selector (thanks to @davidtheclark).
and;
* Fixes parsing of attribute selectors with equals signs in them
(e.g. `[data-attr="foo=bar"]`) (thanks to @montmanu).
* Adds `quoted` and `raw.unquoted` properties to attribute nodes
(thanks to @davidtheclark).
# 1.3.3
* Fixes an infinite loop on `)` and `]` tokens when they had no opening pairs.
Now postcss-selector-parser will throw when it encounters these lone tokens.
# 1.3.2
* Now uses plain integers rather than `str.charCodeAt(0)` for compiled builds.
# 1.3.1
* Update flatten to v1.x (thanks to @shinnn).
# 1.3.0
* Adds a new node type, `String`, to fix a crash on selectors such as
`foo:bar("test")`.
# 1.2.1
* Fixes a crash when the parser encountered a trailing combinator.
# 1.2.0
* A more descriptive error is thrown when the parser expects to find a
pseudo-class/pseudo-element (thanks to @ashelley).
* Adds support for line/column locations for selector nodes, as well as a
`Node#sourceIndex` method (thanks to @davidtheclark).
# 1.1.4
* Fixes a crash when a selector started with a `>` combinator. The module will
now no longer throw if a selector has a leading/trailing combinator node.
# 1.1.3
* Fixes a crash on `@` tokens.
# 1.1.2
* Fixes an infinite loop caused by using parentheses in a non-pseudo element
context.
# 1.1.1
* Fixes a crash when a backslash ended a selector string.
# 1.1.0
* Adds support for replacing multiple nodes at once with `replaceWith`
(thanks to @jonathantneal).
* Parser no longer throws on sequential IDs and trailing commas, to support
parsing of selector hacks.
# 1.0.1
* Fixes using `insertAfter` and `insertBefore` during iteration.
# 1.0.0
* Adds `clone` and `replaceWith` methods to nodes.
* Adds `insertBefore` and `insertAfter` to containers.
* Stabilises API.
# 0.0.5
* Fixes crash on extra whitespace inside a pseudo selector's parentheses.
* Adds sort function to the container class.
* Enables the parser to pass its input through without transforming.
* Iteration-safe `each` and `eachInside`.
# 0.0.4
* Tidy up redundant duplication.
* Fixes a bug where the parser would loop infinitely on universal selectors
inside pseudo selectors.
* Adds `length` getter and `eachInside`, `map`, `reduce` to the container class.
* When a selector has been removed from the tree, the root node will no longer
cast it to a string.
* Adds node type iterators to the container class (e.g. `eachComment`).
* Adds filter function to the container class.
* Adds split function to the container class.
* Create new node types by doing `parser.id(opts)` etc.
* Adds support for pseudo classes anywhere in the selector.
# 0.0.3
* Adds `next` and `prev` to the node class.
* Adds `first` and `last` getters to the container class.
* Adds `every` and `some` iterators to the container class.
* Add `empty` alias for `removeAll`.
* Combinators are now types of node.
* Fixes the at method so that it is not an alias for `index`.
* Tidy up creation of new nodes in the parser.
* Refactors how namespaces are handled for consistency & less redundant code.
* Refactors AST to use `nodes` exclusively, and eliminates excessive nesting.
* Fixes nested pseudo parsing.
* Fixes whitespace parsing.
# 0.0.2
* Adds support for namespace selectors.
* Adds support for selectors joined by escaped spaces - such as `.\31\ 0`.
# 0.0.1
* Initial release.

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Copyright (c) Ben Briggs <beneb.info@gmail.com> (http://beneb.info)
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

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# postcss-selector-parser [![Build Status](https://travis-ci.org/postcss/postcss-selector-parser.svg?branch=master)](https://travis-ci.org/postcss/postcss-selector-parser)
> Selector parser with built in methods for working with selector strings.
## Install
With [npm](https://npmjs.com/package/postcss-selector-parser) do:
```
npm install postcss-selector-parser
```
## Quick Start
```js
const parser = require('postcss-selector-parser');
const transform = selectors => {
selectors.walk(selector => {
// do something with the selector
console.log(String(selector))
});
};
const transformed = parser(transform).processSync('h1, h2, h3');
```
To normalize selector whitespace:
```js
const parser = require('postcss-selector-parser');
const normalized = parser().processSync('h1, h2, h3', {lossless: false});
// -> h1,h2,h3
```
Async support is provided through `parser.process` and will resolve a Promise
with the resulting selector string.
## API
Please see [API.md](API.md).
## Credits
* Huge thanks to Andrey Sitnik (@ai) for work on PostCSS which helped
accelerate this module's development.
## License
MIT

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _processor = _interopRequireDefault(require("./processor"));
var selectors = _interopRequireWildcard(require("./selectors"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
var parser = function parser(processor) {
return new _processor["default"](processor);
};
Object.assign(parser, selectors);
delete parser.__esModule;
var _default = parser;
exports["default"] = _default;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _parser = _interopRequireDefault(require("./parser"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
var Processor = /*#__PURE__*/function () {
function Processor(func, options) {
this.func = func || function noop() {};
this.funcRes = null;
this.options = options;
}
var _proto = Processor.prototype;
_proto._shouldUpdateSelector = function _shouldUpdateSelector(rule, options) {
if (options === void 0) {
options = {};
}
var merged = Object.assign({}, this.options, options);
if (merged.updateSelector === false) {
return false;
} else {
return typeof rule !== "string";
}
};
_proto._isLossy = function _isLossy(options) {
if (options === void 0) {
options = {};
}
var merged = Object.assign({}, this.options, options);
if (merged.lossless === false) {
return true;
} else {
return false;
}
};
_proto._root = function _root(rule, options) {
if (options === void 0) {
options = {};
}
var parser = new _parser["default"](rule, this._parseOptions(options));
return parser.root;
};
_proto._parseOptions = function _parseOptions(options) {
return {
lossy: this._isLossy(options)
};
};
_proto._run = function _run(rule, options) {
var _this = this;
if (options === void 0) {
options = {};
}
return new Promise(function (resolve, reject) {
try {
var root = _this._root(rule, options);
Promise.resolve(_this.func(root)).then(function (transform) {
var string = undefined;
if (_this._shouldUpdateSelector(rule, options)) {
string = root.toString();
rule.selector = string;
}
return {
transform: transform,
root: root,
string: string
};
}).then(resolve, reject);
} catch (e) {
reject(e);
return;
}
});
};
_proto._runSync = function _runSync(rule, options) {
if (options === void 0) {
options = {};
}
var root = this._root(rule, options);
var transform = this.func(root);
if (transform && typeof transform.then === "function") {
throw new Error("Selector processor returned a promise to a synchronous call.");
}
var string = undefined;
if (options.updateSelector && typeof rule !== "string") {
string = root.toString();
rule.selector = string;
}
return {
transform: transform,
root: root,
string: string
};
}
/**
* Process rule into a selector AST.
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {Promise<parser.Root>} The AST of the selector after processing it.
*/
;
_proto.ast = function ast(rule, options) {
return this._run(rule, options).then(function (result) {
return result.root;
});
}
/**
* Process rule into a selector AST synchronously.
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {parser.Root} The AST of the selector after processing it.
*/
;
_proto.astSync = function astSync(rule, options) {
return this._runSync(rule, options).root;
}
/**
* Process a selector into a transformed value asynchronously
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {Promise<any>} The value returned by the processor.
*/
;
_proto.transform = function transform(rule, options) {
return this._run(rule, options).then(function (result) {
return result.transform;
});
}
/**
* Process a selector into a transformed value synchronously.
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {any} The value returned by the processor.
*/
;
_proto.transformSync = function transformSync(rule, options) {
return this._runSync(rule, options).transform;
}
/**
* Process a selector into a new selector string asynchronously.
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {string} the selector after processing.
*/
;
_proto.process = function process(rule, options) {
return this._run(rule, options).then(function (result) {
return result.string || result.root.toString();
});
}
/**
* Process a selector into a new selector string synchronously.
*
* @param rule {postcss.Rule | string} The css selector to be processed
* @param options The options for processing
* @returns {string} the selector after processing.
*/
;
_proto.processSync = function processSync(rule, options) {
var result = this._runSync(rule, options);
return result.string || result.root.toString();
};
return Processor;
}();
exports["default"] = Processor;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.unescapeValue = unescapeValue;
exports["default"] = void 0;
var _cssesc = _interopRequireDefault(require("cssesc"));
var _unesc = _interopRequireDefault(require("../util/unesc"));
var _namespace = _interopRequireDefault(require("./namespace"));
var _types = require("./types");
var _CSSESC_QUOTE_OPTIONS;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var deprecate = require("util-deprecate");
var WRAPPED_IN_QUOTES = /^('|")([^]*)\1$/;
var warnOfDeprecatedValueAssignment = deprecate(function () {}, "Assigning an attribute a value containing characters that might need to be escaped is deprecated. " + "Call attribute.setValue() instead.");
var warnOfDeprecatedQuotedAssignment = deprecate(function () {}, "Assigning attr.quoted is deprecated and has no effect. Assign to attr.quoteMark instead.");
var warnOfDeprecatedConstructor = deprecate(function () {}, "Constructing an Attribute selector with a value without specifying quoteMark is deprecated. Note: The value should be unescaped now.");
function unescapeValue(value) {
var deprecatedUsage = false;
var quoteMark = null;
var unescaped = value;
var m = unescaped.match(WRAPPED_IN_QUOTES);
if (m) {
quoteMark = m[1];
unescaped = m[2];
}
unescaped = (0, _unesc["default"])(unescaped);
if (unescaped !== value) {
deprecatedUsage = true;
}
return {
deprecatedUsage: deprecatedUsage,
unescaped: unescaped,
quoteMark: quoteMark
};
}
function handleDeprecatedContructorOpts(opts) {
if (opts.quoteMark !== undefined) {
return opts;
}
if (opts.value === undefined) {
return opts;
}
warnOfDeprecatedConstructor();
var _unescapeValue = unescapeValue(opts.value),
quoteMark = _unescapeValue.quoteMark,
unescaped = _unescapeValue.unescaped;
if (!opts.raws) {
opts.raws = {};
}
if (opts.raws.value === undefined) {
opts.raws.value = opts.value;
}
opts.value = unescaped;
opts.quoteMark = quoteMark;
return opts;
}
var Attribute = /*#__PURE__*/function (_Namespace) {
_inheritsLoose(Attribute, _Namespace);
function Attribute(opts) {
var _this;
if (opts === void 0) {
opts = {};
}
_this = _Namespace.call(this, handleDeprecatedContructorOpts(opts)) || this;
_this.type = _types.ATTRIBUTE;
_this.raws = _this.raws || {};
Object.defineProperty(_this.raws, 'unquoted', {
get: deprecate(function () {
return _this.value;
}, "attr.raws.unquoted is deprecated. Call attr.value instead."),
set: deprecate(function () {
return _this.value;
}, "Setting attr.raws.unquoted is deprecated and has no effect. attr.value is unescaped by default now.")
});
_this._constructed = true;
return _this;
}
/**
* Returns the Attribute's value quoted such that it would be legal to use
* in the value of a css file. The original value's quotation setting
* used for stringification is left unchanged. See `setValue(value, options)`
* if you want to control the quote settings of a new value for the attribute.
*
* You can also change the quotation used for the current value by setting quoteMark.
*
* Options:
* * quoteMark {'"' | "'" | null} - Use this value to quote the value. If this
* option is not set, the original value for quoteMark will be used. If
* indeterminate, a double quote is used. The legal values are:
* * `null` - the value will be unquoted and characters will be escaped as necessary.
* * `'` - the value will be quoted with a single quote and single quotes are escaped.
* * `"` - the value will be quoted with a double quote and double quotes are escaped.
* * preferCurrentQuoteMark {boolean} - if true, prefer the source quote mark
* over the quoteMark option value.
* * smart {boolean} - if true, will select a quote mark based on the value
* and the other options specified here. See the `smartQuoteMark()`
* method.
**/
var _proto = Attribute.prototype;
_proto.getQuotedValue = function getQuotedValue(options) {
if (options === void 0) {
options = {};
}
var quoteMark = this._determineQuoteMark(options);
var cssescopts = CSSESC_QUOTE_OPTIONS[quoteMark];
var escaped = (0, _cssesc["default"])(this._value, cssescopts);
return escaped;
};
_proto._determineQuoteMark = function _determineQuoteMark(options) {
return options.smart ? this.smartQuoteMark(options) : this.preferredQuoteMark(options);
}
/**
* Set the unescaped value with the specified quotation options. The value
* provided must not include any wrapping quote marks -- those quotes will
* be interpreted as part of the value and escaped accordingly.
*/
;
_proto.setValue = function setValue(value, options) {
if (options === void 0) {
options = {};
}
this._value = value;
this._quoteMark = this._determineQuoteMark(options);
this._syncRawValue();
}
/**
* Intelligently select a quoteMark value based on the value's contents. If
* the value is a legal CSS ident, it will not be quoted. Otherwise a quote
* mark will be picked that minimizes the number of escapes.
*
* If there's no clear winner, the quote mark from these options is used,
* then the source quote mark (this is inverted if `preferCurrentQuoteMark` is
* true). If the quoteMark is unspecified, a double quote is used.
*
* @param options This takes the quoteMark and preferCurrentQuoteMark options
* from the quoteValue method.
*/
;
_proto.smartQuoteMark = function smartQuoteMark(options) {
var v = this.value;
var numSingleQuotes = v.replace(/[^']/g, '').length;
var numDoubleQuotes = v.replace(/[^"]/g, '').length;
if (numSingleQuotes + numDoubleQuotes === 0) {
var escaped = (0, _cssesc["default"])(v, {
isIdentifier: true
});
if (escaped === v) {
return Attribute.NO_QUOTE;
} else {
var pref = this.preferredQuoteMark(options);
if (pref === Attribute.NO_QUOTE) {
// pick a quote mark that isn't none and see if it's smaller
var quote = this.quoteMark || options.quoteMark || Attribute.DOUBLE_QUOTE;
var opts = CSSESC_QUOTE_OPTIONS[quote];
var quoteValue = (0, _cssesc["default"])(v, opts);
if (quoteValue.length < escaped.length) {
return quote;
}
}
return pref;
}
} else if (numDoubleQuotes === numSingleQuotes) {
return this.preferredQuoteMark(options);
} else if (numDoubleQuotes < numSingleQuotes) {
return Attribute.DOUBLE_QUOTE;
} else {
return Attribute.SINGLE_QUOTE;
}
}
/**
* Selects the preferred quote mark based on the options and the current quote mark value.
* If you want the quote mark to depend on the attribute value, call `smartQuoteMark(opts)`
* instead.
*/
;
_proto.preferredQuoteMark = function preferredQuoteMark(options) {
var quoteMark = options.preferCurrentQuoteMark ? this.quoteMark : options.quoteMark;
if (quoteMark === undefined) {
quoteMark = options.preferCurrentQuoteMark ? options.quoteMark : this.quoteMark;
}
if (quoteMark === undefined) {
quoteMark = Attribute.DOUBLE_QUOTE;
}
return quoteMark;
};
_proto._syncRawValue = function _syncRawValue() {
var rawValue = (0, _cssesc["default"])(this._value, CSSESC_QUOTE_OPTIONS[this.quoteMark]);
if (rawValue === this._value) {
if (this.raws) {
delete this.raws.value;
}
} else {
this.raws.value = rawValue;
}
};
_proto._handleEscapes = function _handleEscapes(prop, value) {
if (this._constructed) {
var escaped = (0, _cssesc["default"])(value, {
isIdentifier: true
});
if (escaped !== value) {
this.raws[prop] = escaped;
} else {
delete this.raws[prop];
}
}
};
_proto._spacesFor = function _spacesFor(name) {
var attrSpaces = {
before: '',
after: ''
};
var spaces = this.spaces[name] || {};
var rawSpaces = this.raws.spaces && this.raws.spaces[name] || {};
return Object.assign(attrSpaces, spaces, rawSpaces);
};
_proto._stringFor = function _stringFor(name, spaceName, concat) {
if (spaceName === void 0) {
spaceName = name;
}
if (concat === void 0) {
concat = defaultAttrConcat;
}
var attrSpaces = this._spacesFor(spaceName);
return concat(this.stringifyProperty(name), attrSpaces);
}
/**
* returns the offset of the attribute part specified relative to the
* start of the node of the output string.
*
* * "ns" - alias for "namespace"
* * "namespace" - the namespace if it exists.
* * "attribute" - the attribute name
* * "attributeNS" - the start of the attribute or its namespace
* * "operator" - the match operator of the attribute
* * "value" - The value (string or identifier)
* * "insensitive" - the case insensitivity flag;
* @param part One of the possible values inside an attribute.
* @returns -1 if the name is invalid or the value doesn't exist in this attribute.
*/
;
_proto.offsetOf = function offsetOf(name) {
var count = 1;
var attributeSpaces = this._spacesFor("attribute");
count += attributeSpaces.before.length;
if (name === "namespace" || name === "ns") {
return this.namespace ? count : -1;
}
if (name === "attributeNS") {
return count;
}
count += this.namespaceString.length;
if (this.namespace) {
count += 1;
}
if (name === "attribute") {
return count;
}
count += this.stringifyProperty("attribute").length;
count += attributeSpaces.after.length;
var operatorSpaces = this._spacesFor("operator");
count += operatorSpaces.before.length;
var operator = this.stringifyProperty("operator");
if (name === "operator") {
return operator ? count : -1;
}
count += operator.length;
count += operatorSpaces.after.length;
var valueSpaces = this._spacesFor("value");
count += valueSpaces.before.length;
var value = this.stringifyProperty("value");
if (name === "value") {
return value ? count : -1;
}
count += value.length;
count += valueSpaces.after.length;
var insensitiveSpaces = this._spacesFor("insensitive");
count += insensitiveSpaces.before.length;
if (name === "insensitive") {
return this.insensitive ? count : -1;
}
return -1;
};
_proto.toString = function toString() {
var _this2 = this;
var selector = [this.rawSpaceBefore, '['];
selector.push(this._stringFor('qualifiedAttribute', 'attribute'));
if (this.operator && (this.value || this.value === '')) {
selector.push(this._stringFor('operator'));
selector.push(this._stringFor('value'));
selector.push(this._stringFor('insensitiveFlag', 'insensitive', function (attrValue, attrSpaces) {
if (attrValue.length > 0 && !_this2.quoted && attrSpaces.before.length === 0 && !(_this2.spaces.value && _this2.spaces.value.after)) {
attrSpaces.before = " ";
}
return defaultAttrConcat(attrValue, attrSpaces);
}));
}
selector.push(']');
selector.push(this.rawSpaceAfter);
return selector.join('');
};
_createClass(Attribute, [{
key: "quoted",
get: function get() {
var qm = this.quoteMark;
return qm === "'" || qm === '"';
},
set: function set(value) {
warnOfDeprecatedQuotedAssignment();
}
/**
* returns a single (`'`) or double (`"`) quote character if the value is quoted.
* returns `null` if the value is not quoted.
* returns `undefined` if the quotation state is unknown (this can happen when
* the attribute is constructed without specifying a quote mark.)
*/
}, {
key: "quoteMark",
get: function get() {
return this._quoteMark;
}
/**
* Set the quote mark to be used by this attribute's value.
* If the quote mark changes, the raw (escaped) value at `attr.raws.value` of the attribute
* value is updated accordingly.
*
* @param {"'" | '"' | null} quoteMark The quote mark or `null` if the value should be unquoted.
*/
,
set: function set(quoteMark) {
if (!this._constructed) {
this._quoteMark = quoteMark;
return;
}
if (this._quoteMark !== quoteMark) {
this._quoteMark = quoteMark;
this._syncRawValue();
}
}
}, {
key: "qualifiedAttribute",
get: function get() {
return this.qualifiedName(this.raws.attribute || this.attribute);
}
}, {
key: "insensitiveFlag",
get: function get() {
return this.insensitive ? 'i' : '';
}
}, {
key: "value",
get: function get() {
return this._value;
}
/**
* Before 3.0, the value had to be set to an escaped value including any wrapped
* quote marks. In 3.0, the semantics of `Attribute.value` changed so that the value
* is unescaped during parsing and any quote marks are removed.
*
* Because the ambiguity of this semantic change, if you set `attr.value = newValue`,
* a deprecation warning is raised when the new value contains any characters that would
* require escaping (including if it contains wrapped quotes).
*
* Instead, you should call `attr.setValue(newValue, opts)` and pass options that describe
* how the new value is quoted.
*/
,
set: function set(v) {
if (this._constructed) {
var _unescapeValue2 = unescapeValue(v),
deprecatedUsage = _unescapeValue2.deprecatedUsage,
unescaped = _unescapeValue2.unescaped,
quoteMark = _unescapeValue2.quoteMark;
if (deprecatedUsage) {
warnOfDeprecatedValueAssignment();
}
if (unescaped === this._value && quoteMark === this._quoteMark) {
return;
}
this._value = unescaped;
this._quoteMark = quoteMark;
this._syncRawValue();
} else {
this._value = v;
}
}
}, {
key: "attribute",
get: function get() {
return this._attribute;
},
set: function set(name) {
this._handleEscapes("attribute", name);
this._attribute = name;
}
}]);
return Attribute;
}(_namespace["default"]);
exports["default"] = Attribute;
Attribute.NO_QUOTE = null;
Attribute.SINGLE_QUOTE = "'";
Attribute.DOUBLE_QUOTE = '"';
var CSSESC_QUOTE_OPTIONS = (_CSSESC_QUOTE_OPTIONS = {
"'": {
quotes: 'single',
wrap: true
},
'"': {
quotes: 'double',
wrap: true
}
}, _CSSESC_QUOTE_OPTIONS[null] = {
isIdentifier: true
}, _CSSESC_QUOTE_OPTIONS);
function defaultAttrConcat(attrValue, attrSpaces) {
return "" + attrSpaces.before + attrValue + attrSpaces.after;
}

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _cssesc = _interopRequireDefault(require("cssesc"));
var _util = require("../util");
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var ClassName = /*#__PURE__*/function (_Node) {
_inheritsLoose(ClassName, _Node);
function ClassName(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.CLASS;
_this._constructed = true;
return _this;
}
var _proto = ClassName.prototype;
_proto.valueToString = function valueToString() {
return '.' + _Node.prototype.valueToString.call(this);
};
_createClass(ClassName, [{
key: "value",
get: function get() {
return this._value;
},
set: function set(v) {
if (this._constructed) {
var escaped = (0, _cssesc["default"])(v, {
isIdentifier: true
});
if (escaped !== v) {
(0, _util.ensureObject)(this, "raws");
this.raws.value = escaped;
} else if (this.raws) {
delete this.raws.value;
}
}
this._value = v;
}
}]);
return ClassName;
}(_node["default"]);
exports["default"] = ClassName;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Combinator = /*#__PURE__*/function (_Node) {
_inheritsLoose(Combinator, _Node);
function Combinator(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.COMBINATOR;
return _this;
}
return Combinator;
}(_node["default"]);
exports["default"] = Combinator;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Comment = /*#__PURE__*/function (_Node) {
_inheritsLoose(Comment, _Node);
function Comment(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.COMMENT;
return _this;
}
return Comment;
}(_node["default"]);
exports["default"] = Comment;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.universal = exports.tag = exports.string = exports.selector = exports.root = exports.pseudo = exports.nesting = exports.id = exports.comment = exports.combinator = exports.className = exports.attribute = void 0;
var _attribute = _interopRequireDefault(require("./attribute"));
var _className = _interopRequireDefault(require("./className"));
var _combinator = _interopRequireDefault(require("./combinator"));
var _comment = _interopRequireDefault(require("./comment"));
var _id = _interopRequireDefault(require("./id"));
var _nesting = _interopRequireDefault(require("./nesting"));
var _pseudo = _interopRequireDefault(require("./pseudo"));
var _root = _interopRequireDefault(require("./root"));
var _selector = _interopRequireDefault(require("./selector"));
var _string = _interopRequireDefault(require("./string"));
var _tag = _interopRequireDefault(require("./tag"));
var _universal = _interopRequireDefault(require("./universal"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
var attribute = function attribute(opts) {
return new _attribute["default"](opts);
};
exports.attribute = attribute;
var className = function className(opts) {
return new _className["default"](opts);
};
exports.className = className;
var combinator = function combinator(opts) {
return new _combinator["default"](opts);
};
exports.combinator = combinator;
var comment = function comment(opts) {
return new _comment["default"](opts);
};
exports.comment = comment;
var id = function id(opts) {
return new _id["default"](opts);
};
exports.id = id;
var nesting = function nesting(opts) {
return new _nesting["default"](opts);
};
exports.nesting = nesting;
var pseudo = function pseudo(opts) {
return new _pseudo["default"](opts);
};
exports.pseudo = pseudo;
var root = function root(opts) {
return new _root["default"](opts);
};
exports.root = root;
var selector = function selector(opts) {
return new _selector["default"](opts);
};
exports.selector = selector;
var string = function string(opts) {
return new _string["default"](opts);
};
exports.string = string;
var tag = function tag(opts) {
return new _tag["default"](opts);
};
exports.tag = tag;
var universal = function universal(opts) {
return new _universal["default"](opts);
};
exports.universal = universal;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var types = _interopRequireWildcard(require("./types"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Container = /*#__PURE__*/function (_Node) {
_inheritsLoose(Container, _Node);
function Container(opts) {
var _this;
_this = _Node.call(this, opts) || this;
if (!_this.nodes) {
_this.nodes = [];
}
return _this;
}
var _proto = Container.prototype;
_proto.append = function append(selector) {
selector.parent = this;
this.nodes.push(selector);
return this;
};
_proto.prepend = function prepend(selector) {
selector.parent = this;
this.nodes.unshift(selector);
return this;
};
_proto.at = function at(index) {
return this.nodes[index];
};
_proto.index = function index(child) {
if (typeof child === 'number') {
return child;
}
return this.nodes.indexOf(child);
};
_proto.removeChild = function removeChild(child) {
child = this.index(child);
this.at(child).parent = undefined;
this.nodes.splice(child, 1);
var index;
for (var id in this.indexes) {
index = this.indexes[id];
if (index >= child) {
this.indexes[id] = index - 1;
}
}
return this;
};
_proto.removeAll = function removeAll() {
for (var _iterator = _createForOfIteratorHelperLoose(this.nodes), _step; !(_step = _iterator()).done;) {
var node = _step.value;
node.parent = undefined;
}
this.nodes = [];
return this;
};
_proto.empty = function empty() {
return this.removeAll();
};
_proto.insertAfter = function insertAfter(oldNode, newNode) {
newNode.parent = this;
var oldIndex = this.index(oldNode);
this.nodes.splice(oldIndex + 1, 0, newNode);
newNode.parent = this;
var index;
for (var id in this.indexes) {
index = this.indexes[id];
if (oldIndex <= index) {
this.indexes[id] = index + 1;
}
}
return this;
};
_proto.insertBefore = function insertBefore(oldNode, newNode) {
newNode.parent = this;
var oldIndex = this.index(oldNode);
this.nodes.splice(oldIndex, 0, newNode);
newNode.parent = this;
var index;
for (var id in this.indexes) {
index = this.indexes[id];
if (index <= oldIndex) {
this.indexes[id] = index + 1;
}
}
return this;
};
_proto._findChildAtPosition = function _findChildAtPosition(line, col) {
var found = undefined;
this.each(function (node) {
if (node.atPosition) {
var foundChild = node.atPosition(line, col);
if (foundChild) {
found = foundChild;
return false;
}
} else if (node.isAtPosition(line, col)) {
found = node;
return false;
}
});
return found;
}
/**
* Return the most specific node at the line and column number given.
* The source location is based on the original parsed location, locations aren't
* updated as selector nodes are mutated.
*
* Note that this location is relative to the location of the first character
* of the selector, and not the location of the selector in the overall document
* when used in conjunction with postcss.
*
* If not found, returns undefined.
* @param {number} line The line number of the node to find. (1-based index)
* @param {number} col The column number of the node to find. (1-based index)
*/
;
_proto.atPosition = function atPosition(line, col) {
if (this.isAtPosition(line, col)) {
return this._findChildAtPosition(line, col) || this;
} else {
return undefined;
}
};
_proto._inferEndPosition = function _inferEndPosition() {
if (this.last && this.last.source && this.last.source.end) {
this.source = this.source || {};
this.source.end = this.source.end || {};
Object.assign(this.source.end, this.last.source.end);
}
};
_proto.each = function each(callback) {
if (!this.lastEach) {
this.lastEach = 0;
}
if (!this.indexes) {
this.indexes = {};
}
this.lastEach++;
var id = this.lastEach;
this.indexes[id] = 0;
if (!this.length) {
return undefined;
}
var index, result;
while (this.indexes[id] < this.length) {
index = this.indexes[id];
result = callback(this.at(index), index);
if (result === false) {
break;
}
this.indexes[id] += 1;
}
delete this.indexes[id];
if (result === false) {
return false;
}
};
_proto.walk = function walk(callback) {
return this.each(function (node, i) {
var result = callback(node, i);
if (result !== false && node.length) {
result = node.walk(callback);
}
if (result === false) {
return false;
}
});
};
_proto.walkAttributes = function walkAttributes(callback) {
var _this2 = this;
return this.walk(function (selector) {
if (selector.type === types.ATTRIBUTE) {
return callback.call(_this2, selector);
}
});
};
_proto.walkClasses = function walkClasses(callback) {
var _this3 = this;
return this.walk(function (selector) {
if (selector.type === types.CLASS) {
return callback.call(_this3, selector);
}
});
};
_proto.walkCombinators = function walkCombinators(callback) {
var _this4 = this;
return this.walk(function (selector) {
if (selector.type === types.COMBINATOR) {
return callback.call(_this4, selector);
}
});
};
_proto.walkComments = function walkComments(callback) {
var _this5 = this;
return this.walk(function (selector) {
if (selector.type === types.COMMENT) {
return callback.call(_this5, selector);
}
});
};
_proto.walkIds = function walkIds(callback) {
var _this6 = this;
return this.walk(function (selector) {
if (selector.type === types.ID) {
return callback.call(_this6, selector);
}
});
};
_proto.walkNesting = function walkNesting(callback) {
var _this7 = this;
return this.walk(function (selector) {
if (selector.type === types.NESTING) {
return callback.call(_this7, selector);
}
});
};
_proto.walkPseudos = function walkPseudos(callback) {
var _this8 = this;
return this.walk(function (selector) {
if (selector.type === types.PSEUDO) {
return callback.call(_this8, selector);
}
});
};
_proto.walkTags = function walkTags(callback) {
var _this9 = this;
return this.walk(function (selector) {
if (selector.type === types.TAG) {
return callback.call(_this9, selector);
}
});
};
_proto.walkUniversals = function walkUniversals(callback) {
var _this10 = this;
return this.walk(function (selector) {
if (selector.type === types.UNIVERSAL) {
return callback.call(_this10, selector);
}
});
};
_proto.split = function split(callback) {
var _this11 = this;
var current = [];
return this.reduce(function (memo, node, index) {
var split = callback.call(_this11, node);
current.push(node);
if (split) {
memo.push(current);
current = [];
} else if (index === _this11.length - 1) {
memo.push(current);
}
return memo;
}, []);
};
_proto.map = function map(callback) {
return this.nodes.map(callback);
};
_proto.reduce = function reduce(callback, memo) {
return this.nodes.reduce(callback, memo);
};
_proto.every = function every(callback) {
return this.nodes.every(callback);
};
_proto.some = function some(callback) {
return this.nodes.some(callback);
};
_proto.filter = function filter(callback) {
return this.nodes.filter(callback);
};
_proto.sort = function sort(callback) {
return this.nodes.sort(callback);
};
_proto.toString = function toString() {
return this.map(String).join('');
};
_createClass(Container, [{
key: "first",
get: function get() {
return this.at(0);
}
}, {
key: "last",
get: function get() {
return this.at(this.length - 1);
}
}, {
key: "length",
get: function get() {
return this.nodes.length;
}
}]);
return Container;
}(_node["default"]);
exports["default"] = Container;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.isNode = isNode;
exports.isPseudoElement = isPseudoElement;
exports.isPseudoClass = isPseudoClass;
exports.isContainer = isContainer;
exports.isNamespace = isNamespace;
exports.isUniversal = exports.isTag = exports.isString = exports.isSelector = exports.isRoot = exports.isPseudo = exports.isNesting = exports.isIdentifier = exports.isComment = exports.isCombinator = exports.isClassName = exports.isAttribute = void 0;
var _types = require("./types");
var _IS_TYPE;
var IS_TYPE = (_IS_TYPE = {}, _IS_TYPE[_types.ATTRIBUTE] = true, _IS_TYPE[_types.CLASS] = true, _IS_TYPE[_types.COMBINATOR] = true, _IS_TYPE[_types.COMMENT] = true, _IS_TYPE[_types.ID] = true, _IS_TYPE[_types.NESTING] = true, _IS_TYPE[_types.PSEUDO] = true, _IS_TYPE[_types.ROOT] = true, _IS_TYPE[_types.SELECTOR] = true, _IS_TYPE[_types.STRING] = true, _IS_TYPE[_types.TAG] = true, _IS_TYPE[_types.UNIVERSAL] = true, _IS_TYPE);
function isNode(node) {
return typeof node === "object" && IS_TYPE[node.type];
}
function isNodeType(type, node) {
return isNode(node) && node.type === type;
}
var isAttribute = isNodeType.bind(null, _types.ATTRIBUTE);
exports.isAttribute = isAttribute;
var isClassName = isNodeType.bind(null, _types.CLASS);
exports.isClassName = isClassName;
var isCombinator = isNodeType.bind(null, _types.COMBINATOR);
exports.isCombinator = isCombinator;
var isComment = isNodeType.bind(null, _types.COMMENT);
exports.isComment = isComment;
var isIdentifier = isNodeType.bind(null, _types.ID);
exports.isIdentifier = isIdentifier;
var isNesting = isNodeType.bind(null, _types.NESTING);
exports.isNesting = isNesting;
var isPseudo = isNodeType.bind(null, _types.PSEUDO);
exports.isPseudo = isPseudo;
var isRoot = isNodeType.bind(null, _types.ROOT);
exports.isRoot = isRoot;
var isSelector = isNodeType.bind(null, _types.SELECTOR);
exports.isSelector = isSelector;
var isString = isNodeType.bind(null, _types.STRING);
exports.isString = isString;
var isTag = isNodeType.bind(null, _types.TAG);
exports.isTag = isTag;
var isUniversal = isNodeType.bind(null, _types.UNIVERSAL);
exports.isUniversal = isUniversal;
function isPseudoElement(node) {
return isPseudo(node) && node.value && (node.value.startsWith("::") || node.value.toLowerCase() === ":before" || node.value.toLowerCase() === ":after" || node.value.toLowerCase() === ":first-letter" || node.value.toLowerCase() === ":first-line");
}
function isPseudoClass(node) {
return isPseudo(node) && !isPseudoElement(node);
}
function isContainer(node) {
return !!(isNode(node) && node.walk);
}
function isNamespace(node) {
return isAttribute(node) || isTag(node);
}

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var ID = /*#__PURE__*/function (_Node) {
_inheritsLoose(ID, _Node);
function ID(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.ID;
return _this;
}
var _proto = ID.prototype;
_proto.valueToString = function valueToString() {
return '#' + _Node.prototype.valueToString.call(this);
};
return ID;
}(_node["default"]);
exports["default"] = ID;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
var _types = require("./types");
Object.keys(_types).forEach(function (key) {
if (key === "default" || key === "__esModule") return;
if (key in exports && exports[key] === _types[key]) return;
exports[key] = _types[key];
});
var _constructors = require("./constructors");
Object.keys(_constructors).forEach(function (key) {
if (key === "default" || key === "__esModule") return;
if (key in exports && exports[key] === _constructors[key]) return;
exports[key] = _constructors[key];
});
var _guards = require("./guards");
Object.keys(_guards).forEach(function (key) {
if (key === "default" || key === "__esModule") return;
if (key in exports && exports[key] === _guards[key]) return;
exports[key] = _guards[key];
});

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _cssesc = _interopRequireDefault(require("cssesc"));
var _util = require("../util");
var _node = _interopRequireDefault(require("./node"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Namespace = /*#__PURE__*/function (_Node) {
_inheritsLoose(Namespace, _Node);
function Namespace() {
return _Node.apply(this, arguments) || this;
}
var _proto = Namespace.prototype;
_proto.qualifiedName = function qualifiedName(value) {
if (this.namespace) {
return this.namespaceString + "|" + value;
} else {
return value;
}
};
_proto.valueToString = function valueToString() {
return this.qualifiedName(_Node.prototype.valueToString.call(this));
};
_createClass(Namespace, [{
key: "namespace",
get: function get() {
return this._namespace;
},
set: function set(namespace) {
if (namespace === true || namespace === "*" || namespace === "&") {
this._namespace = namespace;
if (this.raws) {
delete this.raws.namespace;
}
return;
}
var escaped = (0, _cssesc["default"])(namespace, {
isIdentifier: true
});
this._namespace = namespace;
if (escaped !== namespace) {
(0, _util.ensureObject)(this, "raws");
this.raws.namespace = escaped;
} else if (this.raws) {
delete this.raws.namespace;
}
}
}, {
key: "ns",
get: function get() {
return this._namespace;
},
set: function set(namespace) {
this.namespace = namespace;
}
}, {
key: "namespaceString",
get: function get() {
if (this.namespace) {
var ns = this.stringifyProperty("namespace");
if (ns === true) {
return '';
} else {
return ns;
}
} else {
return '';
}
}
}]);
return Namespace;
}(_node["default"]);
exports["default"] = Namespace;
;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Nesting = /*#__PURE__*/function (_Node) {
_inheritsLoose(Nesting, _Node);
function Nesting(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.NESTING;
_this.value = '&';
return _this;
}
return Nesting;
}(_node["default"]);
exports["default"] = Nesting;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _util = require("../util");
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var cloneNode = function cloneNode(obj, parent) {
if (typeof obj !== 'object' || obj === null) {
return obj;
}
var cloned = new obj.constructor();
for (var i in obj) {
if (!obj.hasOwnProperty(i)) {
continue;
}
var value = obj[i];
var type = typeof value;
if (i === 'parent' && type === 'object') {
if (parent) {
cloned[i] = parent;
}
} else if (value instanceof Array) {
cloned[i] = value.map(function (j) {
return cloneNode(j, cloned);
});
} else {
cloned[i] = cloneNode(value, cloned);
}
}
return cloned;
};
var Node = /*#__PURE__*/function () {
function Node(opts) {
if (opts === void 0) {
opts = {};
}
Object.assign(this, opts);
this.spaces = this.spaces || {};
this.spaces.before = this.spaces.before || '';
this.spaces.after = this.spaces.after || '';
}
var _proto = Node.prototype;
_proto.remove = function remove() {
if (this.parent) {
this.parent.removeChild(this);
}
this.parent = undefined;
return this;
};
_proto.replaceWith = function replaceWith() {
if (this.parent) {
for (var index in arguments) {
this.parent.insertBefore(this, arguments[index]);
}
this.remove();
}
return this;
};
_proto.next = function next() {
return this.parent.at(this.parent.index(this) + 1);
};
_proto.prev = function prev() {
return this.parent.at(this.parent.index(this) - 1);
};
_proto.clone = function clone(overrides) {
if (overrides === void 0) {
overrides = {};
}
var cloned = cloneNode(this);
for (var name in overrides) {
cloned[name] = overrides[name];
}
return cloned;
}
/**
* Some non-standard syntax doesn't follow normal escaping rules for css.
* This allows non standard syntax to be appended to an existing property
* by specifying the escaped value. By specifying the escaped value,
* illegal characters are allowed to be directly inserted into css output.
* @param {string} name the property to set
* @param {any} value the unescaped value of the property
* @param {string} valueEscaped optional. the escaped value of the property.
*/
;
_proto.appendToPropertyAndEscape = function appendToPropertyAndEscape(name, value, valueEscaped) {
if (!this.raws) {
this.raws = {};
}
var originalValue = this[name];
var originalEscaped = this.raws[name];
this[name] = originalValue + value; // this may trigger a setter that updates raws, so it has to be set first.
if (originalEscaped || valueEscaped !== value) {
this.raws[name] = (originalEscaped || originalValue) + valueEscaped;
} else {
delete this.raws[name]; // delete any escaped value that was created by the setter.
}
}
/**
* Some non-standard syntax doesn't follow normal escaping rules for css.
* This allows the escaped value to be specified directly, allowing illegal
* characters to be directly inserted into css output.
* @param {string} name the property to set
* @param {any} value the unescaped value of the property
* @param {string} valueEscaped the escaped value of the property.
*/
;
_proto.setPropertyAndEscape = function setPropertyAndEscape(name, value, valueEscaped) {
if (!this.raws) {
this.raws = {};
}
this[name] = value; // this may trigger a setter that updates raws, so it has to be set first.
this.raws[name] = valueEscaped;
}
/**
* When you want a value to passed through to CSS directly. This method
* deletes the corresponding raw value causing the stringifier to fallback
* to the unescaped value.
* @param {string} name the property to set.
* @param {any} value The value that is both escaped and unescaped.
*/
;
_proto.setPropertyWithoutEscape = function setPropertyWithoutEscape(name, value) {
this[name] = value; // this may trigger a setter that updates raws, so it has to be set first.
if (this.raws) {
delete this.raws[name];
}
}
/**
*
* @param {number} line The number (starting with 1)
* @param {number} column The column number (starting with 1)
*/
;
_proto.isAtPosition = function isAtPosition(line, column) {
if (this.source && this.source.start && this.source.end) {
if (this.source.start.line > line) {
return false;
}
if (this.source.end.line < line) {
return false;
}
if (this.source.start.line === line && this.source.start.column > column) {
return false;
}
if (this.source.end.line === line && this.source.end.column < column) {
return false;
}
return true;
}
return undefined;
};
_proto.stringifyProperty = function stringifyProperty(name) {
return this.raws && this.raws[name] || this[name];
};
_proto.valueToString = function valueToString() {
return String(this.stringifyProperty("value"));
};
_proto.toString = function toString() {
return [this.rawSpaceBefore, this.valueToString(), this.rawSpaceAfter].join('');
};
_createClass(Node, [{
key: "rawSpaceBefore",
get: function get() {
var rawSpace = this.raws && this.raws.spaces && this.raws.spaces.before;
if (rawSpace === undefined) {
rawSpace = this.spaces && this.spaces.before;
}
return rawSpace || "";
},
set: function set(raw) {
(0, _util.ensureObject)(this, "raws", "spaces");
this.raws.spaces.before = raw;
}
}, {
key: "rawSpaceAfter",
get: function get() {
var rawSpace = this.raws && this.raws.spaces && this.raws.spaces.after;
if (rawSpace === undefined) {
rawSpace = this.spaces.after;
}
return rawSpace || "";
},
set: function set(raw) {
(0, _util.ensureObject)(this, "raws", "spaces");
this.raws.spaces.after = raw;
}
}]);
return Node;
}();
exports["default"] = Node;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _container = _interopRequireDefault(require("./container"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Pseudo = /*#__PURE__*/function (_Container) {
_inheritsLoose(Pseudo, _Container);
function Pseudo(opts) {
var _this;
_this = _Container.call(this, opts) || this;
_this.type = _types.PSEUDO;
return _this;
}
var _proto = Pseudo.prototype;
_proto.toString = function toString() {
var params = this.length ? '(' + this.map(String).join(',') + ')' : '';
return [this.rawSpaceBefore, this.stringifyProperty("value"), params, this.rawSpaceAfter].join('');
};
return Pseudo;
}(_container["default"]);
exports["default"] = Pseudo;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _container = _interopRequireDefault(require("./container"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Root = /*#__PURE__*/function (_Container) {
_inheritsLoose(Root, _Container);
function Root(opts) {
var _this;
_this = _Container.call(this, opts) || this;
_this.type = _types.ROOT;
return _this;
}
var _proto = Root.prototype;
_proto.toString = function toString() {
var str = this.reduce(function (memo, selector) {
memo.push(String(selector));
return memo;
}, []).join(',');
return this.trailingComma ? str + ',' : str;
};
_proto.error = function error(message, options) {
if (this._error) {
return this._error(message, options);
} else {
return new Error(message);
}
};
_createClass(Root, [{
key: "errorGenerator",
set: function set(handler) {
this._error = handler;
}
}]);
return Root;
}(_container["default"]);
exports["default"] = Root;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _container = _interopRequireDefault(require("./container"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Selector = /*#__PURE__*/function (_Container) {
_inheritsLoose(Selector, _Container);
function Selector(opts) {
var _this;
_this = _Container.call(this, opts) || this;
_this.type = _types.SELECTOR;
return _this;
}
return Selector;
}(_container["default"]);
exports["default"] = Selector;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _node = _interopRequireDefault(require("./node"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var String = /*#__PURE__*/function (_Node) {
_inheritsLoose(String, _Node);
function String(opts) {
var _this;
_this = _Node.call(this, opts) || this;
_this.type = _types.STRING;
return _this;
}
return String;
}(_node["default"]);
exports["default"] = String;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _namespace = _interopRequireDefault(require("./namespace"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Tag = /*#__PURE__*/function (_Namespace) {
_inheritsLoose(Tag, _Namespace);
function Tag(opts) {
var _this;
_this = _Namespace.call(this, opts) || this;
_this.type = _types.TAG;
return _this;
}
return Tag;
}(_namespace["default"]);
exports["default"] = Tag;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.UNIVERSAL = exports.ATTRIBUTE = exports.CLASS = exports.COMBINATOR = exports.COMMENT = exports.ID = exports.NESTING = exports.PSEUDO = exports.ROOT = exports.SELECTOR = exports.STRING = exports.TAG = void 0;
var TAG = 'tag';
exports.TAG = TAG;
var STRING = 'string';
exports.STRING = STRING;
var SELECTOR = 'selector';
exports.SELECTOR = SELECTOR;
var ROOT = 'root';
exports.ROOT = ROOT;
var PSEUDO = 'pseudo';
exports.PSEUDO = PSEUDO;
var NESTING = 'nesting';
exports.NESTING = NESTING;
var ID = 'id';
exports.ID = ID;
var COMMENT = 'comment';
exports.COMMENT = COMMENT;
var COMBINATOR = 'combinator';
exports.COMBINATOR = COMBINATOR;
var CLASS = 'class';
exports.CLASS = CLASS;
var ATTRIBUTE = 'attribute';
exports.ATTRIBUTE = ATTRIBUTE;
var UNIVERSAL = 'universal';
exports.UNIVERSAL = UNIVERSAL;

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"use strict";
exports.__esModule = true;
exports["default"] = void 0;
var _namespace = _interopRequireDefault(require("./namespace"));
var _types = require("./types");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
var Universal = /*#__PURE__*/function (_Namespace) {
_inheritsLoose(Universal, _Namespace);
function Universal(opts) {
var _this;
_this = _Namespace.call(this, opts) || this;
_this.type = _types.UNIVERSAL;
_this.value = '*';
return _this;
}
return Universal;
}(_namespace["default"]);
exports["default"] = Universal;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = sortAscending;
function sortAscending(list) {
return list.sort(function (a, b) {
return a - b;
});
}
;
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.combinator = exports.word = exports.comment = exports.str = exports.tab = exports.newline = exports.feed = exports.cr = exports.backslash = exports.bang = exports.slash = exports.doubleQuote = exports.singleQuote = exports.space = exports.greaterThan = exports.pipe = exports.equals = exports.plus = exports.caret = exports.tilde = exports.dollar = exports.closeSquare = exports.openSquare = exports.closeParenthesis = exports.openParenthesis = exports.semicolon = exports.colon = exports.comma = exports.at = exports.asterisk = exports.ampersand = void 0;
var ampersand = 38; // `&`.charCodeAt(0);
exports.ampersand = ampersand;
var asterisk = 42; // `*`.charCodeAt(0);
exports.asterisk = asterisk;
var at = 64; // `@`.charCodeAt(0);
exports.at = at;
var comma = 44; // `,`.charCodeAt(0);
exports.comma = comma;
var colon = 58; // `:`.charCodeAt(0);
exports.colon = colon;
var semicolon = 59; // `;`.charCodeAt(0);
exports.semicolon = semicolon;
var openParenthesis = 40; // `(`.charCodeAt(0);
exports.openParenthesis = openParenthesis;
var closeParenthesis = 41; // `)`.charCodeAt(0);
exports.closeParenthesis = closeParenthesis;
var openSquare = 91; // `[`.charCodeAt(0);
exports.openSquare = openSquare;
var closeSquare = 93; // `]`.charCodeAt(0);
exports.closeSquare = closeSquare;
var dollar = 36; // `$`.charCodeAt(0);
exports.dollar = dollar;
var tilde = 126; // `~`.charCodeAt(0);
exports.tilde = tilde;
var caret = 94; // `^`.charCodeAt(0);
exports.caret = caret;
var plus = 43; // `+`.charCodeAt(0);
exports.plus = plus;
var equals = 61; // `=`.charCodeAt(0);
exports.equals = equals;
var pipe = 124; // `|`.charCodeAt(0);
exports.pipe = pipe;
var greaterThan = 62; // `>`.charCodeAt(0);
exports.greaterThan = greaterThan;
var space = 32; // ` `.charCodeAt(0);
exports.space = space;
var singleQuote = 39; // `'`.charCodeAt(0);
exports.singleQuote = singleQuote;
var doubleQuote = 34; // `"`.charCodeAt(0);
exports.doubleQuote = doubleQuote;
var slash = 47; // `/`.charCodeAt(0);
exports.slash = slash;
var bang = 33; // `!`.charCodeAt(0);
exports.bang = bang;
var backslash = 92; // '\\'.charCodeAt(0);
exports.backslash = backslash;
var cr = 13; // '\r'.charCodeAt(0);
exports.cr = cr;
var feed = 12; // '\f'.charCodeAt(0);
exports.feed = feed;
var newline = 10; // '\n'.charCodeAt(0);
exports.newline = newline;
var tab = 9; // '\t'.charCodeAt(0);
// Expose aliases primarily for readability.
exports.tab = tab;
var str = singleQuote; // No good single character representation!
exports.str = str;
var comment = -1;
exports.comment = comment;
var word = -2;
exports.word = word;
var combinator = -3;
exports.combinator = combinator;

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"use strict";
exports.__esModule = true;
exports["default"] = tokenize;
exports.FIELDS = void 0;
var t = _interopRequireWildcard(require("./tokenTypes"));
var _unescapable, _wordDelimiters;
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
var unescapable = (_unescapable = {}, _unescapable[t.tab] = true, _unescapable[t.newline] = true, _unescapable[t.cr] = true, _unescapable[t.feed] = true, _unescapable);
var wordDelimiters = (_wordDelimiters = {}, _wordDelimiters[t.space] = true, _wordDelimiters[t.tab] = true, _wordDelimiters[t.newline] = true, _wordDelimiters[t.cr] = true, _wordDelimiters[t.feed] = true, _wordDelimiters[t.ampersand] = true, _wordDelimiters[t.asterisk] = true, _wordDelimiters[t.bang] = true, _wordDelimiters[t.comma] = true, _wordDelimiters[t.colon] = true, _wordDelimiters[t.semicolon] = true, _wordDelimiters[t.openParenthesis] = true, _wordDelimiters[t.closeParenthesis] = true, _wordDelimiters[t.openSquare] = true, _wordDelimiters[t.closeSquare] = true, _wordDelimiters[t.singleQuote] = true, _wordDelimiters[t.doubleQuote] = true, _wordDelimiters[t.plus] = true, _wordDelimiters[t.pipe] = true, _wordDelimiters[t.tilde] = true, _wordDelimiters[t.greaterThan] = true, _wordDelimiters[t.equals] = true, _wordDelimiters[t.dollar] = true, _wordDelimiters[t.caret] = true, _wordDelimiters[t.slash] = true, _wordDelimiters);
var hex = {};
var hexChars = "0123456789abcdefABCDEF";
for (var i = 0; i < hexChars.length; i++) {
hex[hexChars.charCodeAt(i)] = true;
}
/**
* Returns the last index of the bar css word
* @param {string} css The string in which the word begins
* @param {number} start The index into the string where word's first letter occurs
*/
function consumeWord(css, start) {
var next = start;
var code;
do {
code = css.charCodeAt(next);
if (wordDelimiters[code]) {
return next - 1;
} else if (code === t.backslash) {
next = consumeEscape(css, next) + 1;
} else {
// All other characters are part of the word
next++;
}
} while (next < css.length);
return next - 1;
}
/**
* Returns the last index of the escape sequence
* @param {string} css The string in which the sequence begins
* @param {number} start The index into the string where escape character (`\`) occurs.
*/
function consumeEscape(css, start) {
var next = start;
var code = css.charCodeAt(next + 1);
if (unescapable[code]) {// just consume the escape char
} else if (hex[code]) {
var hexDigits = 0; // consume up to 6 hex chars
do {
next++;
hexDigits++;
code = css.charCodeAt(next + 1);
} while (hex[code] && hexDigits < 6); // if fewer than 6 hex chars, a trailing space ends the escape
if (hexDigits < 6 && code === t.space) {
next++;
}
} else {
// the next char is part of the current word
next++;
}
return next;
}
var FIELDS = {
TYPE: 0,
START_LINE: 1,
START_COL: 2,
END_LINE: 3,
END_COL: 4,
START_POS: 5,
END_POS: 6
};
exports.FIELDS = FIELDS;
function tokenize(input) {
var tokens = [];
var css = input.css.valueOf();
var _css = css,
length = _css.length;
var offset = -1;
var line = 1;
var start = 0;
var end = 0;
var code, content, endColumn, endLine, escaped, escapePos, last, lines, next, nextLine, nextOffset, quote, tokenType;
function unclosed(what, fix) {
if (input.safe) {
// fyi: this is never set to true.
css += fix;
next = css.length - 1;
} else {
throw input.error('Unclosed ' + what, line, start - offset, start);
}
}
while (start < length) {
code = css.charCodeAt(start);
if (code === t.newline) {
offset = start;
line += 1;
}
switch (code) {
case t.space:
case t.tab:
case t.newline:
case t.cr:
case t.feed:
next = start;
do {
next += 1;
code = css.charCodeAt(next);
if (code === t.newline) {
offset = next;
line += 1;
}
} while (code === t.space || code === t.newline || code === t.tab || code === t.cr || code === t.feed);
tokenType = t.space;
endLine = line;
endColumn = next - offset - 1;
end = next;
break;
case t.plus:
case t.greaterThan:
case t.tilde:
case t.pipe:
next = start;
do {
next += 1;
code = css.charCodeAt(next);
} while (code === t.plus || code === t.greaterThan || code === t.tilde || code === t.pipe);
tokenType = t.combinator;
endLine = line;
endColumn = start - offset;
end = next;
break;
// Consume these characters as single tokens.
case t.asterisk:
case t.ampersand:
case t.bang:
case t.comma:
case t.equals:
case t.dollar:
case t.caret:
case t.openSquare:
case t.closeSquare:
case t.colon:
case t.semicolon:
case t.openParenthesis:
case t.closeParenthesis:
next = start;
tokenType = code;
endLine = line;
endColumn = start - offset;
end = next + 1;
break;
case t.singleQuote:
case t.doubleQuote:
quote = code === t.singleQuote ? "'" : '"';
next = start;
do {
escaped = false;
next = css.indexOf(quote, next + 1);
if (next === -1) {
unclosed('quote', quote);
}
escapePos = next;
while (css.charCodeAt(escapePos - 1) === t.backslash) {
escapePos -= 1;
escaped = !escaped;
}
} while (escaped);
tokenType = t.str;
endLine = line;
endColumn = start - offset;
end = next + 1;
break;
default:
if (code === t.slash && css.charCodeAt(start + 1) === t.asterisk) {
next = css.indexOf('*/', start + 2) + 1;
if (next === 0) {
unclosed('comment', '*/');
}
content = css.slice(start, next + 1);
lines = content.split('\n');
last = lines.length - 1;
if (last > 0) {
nextLine = line + last;
nextOffset = next - lines[last].length;
} else {
nextLine = line;
nextOffset = offset;
}
tokenType = t.comment;
line = nextLine;
endLine = nextLine;
endColumn = next - nextOffset;
} else if (code === t.slash) {
next = start;
tokenType = code;
endLine = line;
endColumn = start - offset;
end = next + 1;
} else {
next = consumeWord(css, start);
tokenType = t.word;
endLine = line;
endColumn = next - offset;
}
end = next + 1;
break;
} // Ensure that the token structure remains consistent
tokens.push([tokenType, // [0] Token type
line, // [1] Starting line
start - offset, // [2] Starting column
endLine, // [3] Ending line
endColumn, // [4] Ending column
start, // [5] Start position / Source index
end // [6] End position
]); // Reset offset for the next token
if (nextOffset) {
offset = nextOffset;
nextOffset = null;
}
start = end;
}
return tokens;
}

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"use strict";
exports.__esModule = true;
exports["default"] = ensureObject;
function ensureObject(obj) {
for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
props[_key - 1] = arguments[_key];
}
while (props.length > 0) {
var prop = props.shift();
if (!obj[prop]) {
obj[prop] = {};
}
obj = obj[prop];
}
}
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = getProp;
function getProp(obj) {
for (var _len = arguments.length, props = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
props[_key - 1] = arguments[_key];
}
while (props.length > 0) {
var prop = props.shift();
if (!obj[prop]) {
return undefined;
}
obj = obj[prop];
}
return obj;
}
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports.stripComments = exports.ensureObject = exports.getProp = exports.unesc = void 0;
var _unesc = _interopRequireDefault(require("./unesc"));
exports.unesc = _unesc["default"];
var _getProp = _interopRequireDefault(require("./getProp"));
exports.getProp = _getProp["default"];
var _ensureObject = _interopRequireDefault(require("./ensureObject"));
exports.ensureObject = _ensureObject["default"];
var _stripComments = _interopRequireDefault(require("./stripComments"));
exports.stripComments = _stripComments["default"];
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

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"use strict";
exports.__esModule = true;
exports["default"] = stripComments;
function stripComments(str) {
var s = "";
var commentStart = str.indexOf("/*");
var lastEnd = 0;
while (commentStart >= 0) {
s = s + str.slice(lastEnd, commentStart);
var commentEnd = str.indexOf("*/", commentStart + 2);
if (commentEnd < 0) {
return s;
}
lastEnd = commentEnd + 2;
commentStart = str.indexOf("/*", lastEnd);
}
s = s + str.slice(lastEnd);
return s;
}
module.exports = exports.default;

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"use strict";
exports.__esModule = true;
exports["default"] = unesc;
// Many thanks for this post which made this migration much easier.
// https://mathiasbynens.be/notes/css-escapes
/**
*
* @param {string} str
* @returns {[string, number]|undefined}
*/
function gobbleHex(str) {
var lower = str.toLowerCase();
var hex = '';
var spaceTerminated = false;
for (var i = 0; i < 6 && lower[i] !== undefined; i++) {
var code = lower.charCodeAt(i); // check to see if we are dealing with a valid hex char [a-f|0-9]
var valid = code >= 97 && code <= 102 || code >= 48 && code <= 57; // https://drafts.csswg.org/css-syntax/#consume-escaped-code-point
spaceTerminated = code === 32;
if (!valid) {
break;
}
hex += lower[i];
}
if (hex.length === 0) {
return undefined;
}
var codePoint = parseInt(hex, 16);
var isSurrogate = codePoint >= 0xD800 && codePoint <= 0xDFFF; // Add special case for
// "If this number is zero, or is for a surrogate, or is greater than the maximum allowed code point"
// https://drafts.csswg.org/css-syntax/#maximum-allowed-code-point
if (isSurrogate || codePoint === 0x0000 || codePoint > 0x10FFFF) {
return ["\uFFFD", hex.length + (spaceTerminated ? 1 : 0)];
}
return [String.fromCodePoint(codePoint), hex.length + (spaceTerminated ? 1 : 0)];
}
var CONTAINS_ESCAPE = /\\/;
function unesc(str) {
var needToProcess = CONTAINS_ESCAPE.test(str);
if (!needToProcess) {
return str;
}
var ret = "";
for (var i = 0; i < str.length; i++) {
if (str[i] === "\\") {
var gobbled = gobbleHex(str.slice(i + 1, i + 7));
if (gobbled !== undefined) {
ret += gobbled[0];
i += gobbled[1];
continue;
} // Retain a pair of \\ if double escaped `\\\\`
// https://github.com/postcss/postcss-selector-parser/commit/268c9a7656fb53f543dc620aa5b73a30ec3ff20e
if (str[i + 1] === "\\") {
ret += "\\";
i++;
continue;
} // if \\ is at the end of the string retain it
// https://github.com/postcss/postcss-selector-parser/commit/01a6b346e3612ce1ab20219acc26abdc259ccefb
if (str.length === i + 1) {
ret += str[i];
}
continue;
}
ret += str[i];
}
return ret;
}
module.exports = exports.default;

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{
"name": "postcss-selector-parser",
"version": "6.0.10",
"devDependencies": {
"@babel/cli": "^7.11.6",
"@babel/core": "^7.11.6",
"@babel/eslint-parser": "^7.11.5",
"@babel/eslint-plugin": "^7.11.5",
"@babel/plugin-proposal-class-properties": "^7.10.4",
"@babel/preset-env": "^7.11.5",
"@babel/register": "^7.11.5",
"ava": "^3.12.1",
"babel-plugin-add-module-exports": "^1.0.4",
"coveralls": "^3.1.0",
"del-cli": "^3.0.1",
"eslint": "^7.9.0",
"eslint-plugin-import": "^2.22.0",
"glob": "^7.1.6",
"minimist": "^1.2.5",
"nyc": "^15.1.0",
"postcss": "^8.0.0",
"semver": "^7.3.2",
"typescript": "^4.0.3"
},
"main": "dist/index.js",
"types": "postcss-selector-parser.d.ts",
"files": [
"API.md",
"CHANGELOG.md",
"LICENSE-MIT",
"dist",
"postcss-selector-parser.d.ts",
"!**/__tests__"
],
"scripts": {
"pretest": "eslint src && tsc --noEmit postcss-selector-parser.d.ts",
"prepare": "del-cli dist && BABEL_ENV=publish babel src --out-dir dist --ignore /__tests__/",
"lintfix": "eslint --fix src",
"report": "nyc report --reporter=html",
"test": "nyc ava src/__tests__/*.js ",
"testone": "ava"
},
"dependencies": {
"cssesc": "^3.0.0",
"util-deprecate": "^1.0.2"
},
"license": "MIT",
"engines": {
"node": ">=4"
},
"homepage": "https://github.com/postcss/postcss-selector-parser",
"contributors": [
{
"name": "Ben Briggs",
"email": "beneb.info@gmail.com",
"url": "http://beneb.info"
},
{
"name": "Chris Eppstein",
"email": "chris@eppsteins.net",
"url": "http://twitter.com/chriseppstein"
}
],
"repository": "postcss/postcss-selector-parser",
"ava": {
"require": [
"@babel/register"
],
"concurrency": 5,
"timeout": "25s"
},
"nyc": {
"exclude": [
"node_modules",
"**/__tests__"
]
}
}

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// Type definitions for postcss-selector-parser 2.2.3
// Definitions by: Chris Eppstein <chris@eppsteins.net>
/*~ Note that ES6 modules cannot directly export callable functions.
*~ This file should be imported using the CommonJS-style:
*~ import x = require('someLibrary');
*~
*~ Refer to the documentation to understand common
*~ workarounds for this limitation of ES6 modules.
*/
/*~ This declaration specifies that the function
*~ is the exported object from the file
*/
export = parser;
// A type that's T but not U.
type Diff<T, U> = T extends U ? never : T;
// TODO: Conditional types in TS 1.8 will really clean this up.
declare function parser(): parser.Processor<never>;
declare function parser<Transform>(processor: parser.AsyncProcessor<Transform>): parser.Processor<Transform, never>;
declare function parser(processor: parser.AsyncProcessor<void>): parser.Processor<never, never>;
declare function parser<Transform>(processor: parser.SyncProcessor<Transform>): parser.Processor<Transform>;
declare function parser(processor: parser.SyncProcessor<void>): parser.Processor<never>;
declare function parser<Transform>(processor?: parser.SyncProcessor<Transform> | parser.AsyncProcessor<Transform>): parser.Processor<Transform>;
/*~ If you want to expose types from your module as well, you can
*~ place them in this block. Often you will want to describe the
*~ shape of the return type of the function; that type should
*~ be declared in here, as this example shows.
*/
declare namespace parser {
/* copied from postcss -- so we don't need to add a dependency */
type ErrorOptions = {
plugin?: string;
word?: string;
index?: number
};
/* the bits we use of postcss.Rule, copied from postcss -- so we don't need to add a dependency */
type PostCSSRuleNode = {
selector: string
/**
* @returns postcss.CssSyntaxError but it's a complex object, caller
* should cast to it if they have a dependency on postcss.
*/
error(message: string, options?: ErrorOptions): Error;
};
/** Accepts a string */
type Selectors = string | PostCSSRuleNode
type ProcessorFn<ReturnType = void> = (root: parser.Root) => ReturnType;
type SyncProcessor<Transform = void> = ProcessorFn<Transform>;
type AsyncProcessor<Transform = void> = ProcessorFn<PromiseLike<Transform>>;
const TAG: "tag";
const STRING: "string";
const SELECTOR: "selector";
const ROOT: "root";
const PSEUDO: "pseudo";
const NESTING: "nesting";
const ID: "id";
const COMMENT: "comment";
const COMBINATOR: "combinator";
const CLASS: "class";
const ATTRIBUTE: "attribute";
const UNIVERSAL: "universal";
interface NodeTypes {
tag: Tag,
string: String,
selector: Selector,
root: Root,
pseudo: Pseudo,
nesting: Nesting,
id: Identifier,
comment: Comment,
combinator: Combinator,
class: ClassName,
attribute: Attribute,
universal: Universal
}
type Node = NodeTypes[keyof NodeTypes];
function isNode(node: any): node is Node;
interface Options {
/**
* Preserve whitespace when true. Default: false;
*/
lossless: boolean;
/**
* When true and a postcss.Rule is passed, set the result of
* processing back onto the rule when done. Default: false.
*/
updateSelector: boolean;
}
class Processor<
TransformType = never,
SyncSelectorsType extends Selectors | never = Selectors
> {
res: Root;
readonly result: String;
ast(selectors: Selectors, options?: Partial<Options>): Promise<Root>;
astSync(selectors: SyncSelectorsType, options?: Partial<Options>): Root;
transform(selectors: Selectors, options?: Partial<Options>): Promise<TransformType>;
transformSync(selectors: SyncSelectorsType, options?: Partial<Options>): TransformType;
process(selectors: Selectors, options?: Partial<Options>): Promise<string>;
processSync(selectors: SyncSelectorsType, options?: Partial<Options>): string;
}
interface ParserOptions {
css: string;
error: (message: string, options: ErrorOptions) => Error;
options: Options;
}
class Parser {
input: ParserOptions;
lossy: boolean;
position: number;
root: Root;
selectors: string;
current: Selector;
constructor(input: ParserOptions);
/**
* Raises an error, if the processor is invoked on
* a postcss Rule node, a better error message is raised.
*/
error(message: string, options?: ErrorOptions): void;
}
interface NodeSource {
start?: {
line: number,
column: number
},
end?: {
line: number,
column: number
}
}
interface SpaceAround {
before: string;
after: string;
}
interface Spaces extends SpaceAround {
[spaceType: string]: string | Partial<SpaceAround> | undefined;
}
interface NodeOptions<Value = string> {
value: Value;
spaces?: Partial<Spaces>;
source?: NodeSource;
sourceIndex?: number;
}
interface Base<
Value extends string | undefined = string,
ParentType extends Container | undefined = Container | undefined
> {
type: keyof NodeTypes;
parent: ParentType;
value: Value;
spaces: Spaces;
source?: NodeSource;
sourceIndex: number;
rawSpaceBefore: string;
rawSpaceAfter: string;
remove(): Node;
replaceWith(...nodes: Node[]): Node;
next(): Node;
prev(): Node;
clone(opts: {[override: string]:any}): Node;
/**
* Return whether this node includes the character at the position of the given line and column.
* Returns undefined if the nodes lack sufficient source metadata to determine the position.
* @param line 1-index based line number relative to the start of the selector.
* @param column 1-index based column number relative to the start of the selector.
*/
isAtPosition(line: number, column: number): boolean | undefined;
/**
* Some non-standard syntax doesn't follow normal escaping rules for css,
* this allows the escaped value to be specified directly, allowing illegal characters to be
* directly inserted into css output.
* @param name the property to set
* @param value the unescaped value of the property
* @param valueEscaped optional. the escaped value of the property.
*/
setPropertyAndEscape(name: string, value: any, valueEscaped: string): void;
/**
* When you want a value to passed through to CSS directly. This method
* deletes the corresponding raw value causing the stringifier to fallback
* to the unescaped value.
* @param name the property to set.
* @param value The value that is both escaped and unescaped.
*/
setPropertyWithoutEscape(name: string, value: any): void;
/**
* Some non-standard syntax doesn't follow normal escaping rules for css.
* This allows non standard syntax to be appended to an existing property
* by specifying the escaped value. By specifying the escaped value,
* illegal characters are allowed to be directly inserted into css output.
* @param {string} name the property to set
* @param {any} value the unescaped value of the property
* @param {string} valueEscaped optional. the escaped value of the property.
*/
appendToPropertyAndEscape(name: string, value: any, valueEscaped: string): void;
toString(): string;
}
interface ContainerOptions extends NodeOptions {
nodes?: Array<Node>;
}
interface Container<
Value extends string | undefined = string,
Child extends Node = Node
> extends Base<Value> {
nodes: Array<Child>;
append(selector: Selector): this;
prepend(selector: Selector): this;
at(index: number): Child;
/**
* Return the most specific node at the line and column number given.
* The source location is based on the original parsed location, locations aren't
* updated as selector nodes are mutated.
*
* Note that this location is relative to the location of the first character
* of the selector, and not the location of the selector in the overall document
* when used in conjunction with postcss.
*
* If not found, returns undefined.
* @param line The line number of the node to find. (1-based index)
* @param col The column number of the node to find. (1-based index)
*/
atPosition(line: number, column: number): Child;
index(child: Child): number;
readonly first: Child;
readonly last: Child;
readonly length: number;
removeChild(child: Child): this;
removeAll(): Container;
empty(): Container;
insertAfter(oldNode: Child, newNode: Child): this;
insertBefore(oldNode: Child, newNode: Child): this;
each(callback: (node: Child) => boolean | void): boolean | undefined;
walk(
callback: (node: Node) => boolean | void
): boolean | undefined;
walkAttributes(
callback: (node: Attribute) => boolean | void
): boolean | undefined;
walkClasses(
callback: (node: ClassName) => boolean | void
): boolean | undefined;
walkCombinators(
callback: (node: Combinator) => boolean | void
): boolean | undefined;
walkComments(
callback: (node: Comment) => boolean | void
): boolean | undefined;
walkIds(
callback: (node: Identifier) => boolean | void
): boolean | undefined;
walkNesting(
callback: (node: Nesting) => boolean | void
): boolean | undefined;
walkPseudos(
callback: (node: Pseudo) => boolean | void
): boolean | undefined;
walkTags(callback: (node: Tag) => boolean | void): boolean | undefined;
split(callback: (node: Child) => boolean): [Child[], Child[]];
map<T>(callback: (node: Child) => T): T[];
reduce(
callback: (
previousValue: Child,
currentValue: Child,
currentIndex: number,
array: readonly Child[]
) => Child
): Child;
reduce(
callback: (
previousValue: Child,
currentValue: Child,
currentIndex: number,
array: readonly Child[]
) => Child,
initialValue: Child
): Child;
reduce<T>(
callback: (
previousValue: T,
currentValue: Child,
currentIndex: number,
array: readonly Child[]
) => T,
initialValue: T
): T;
every(callback: (node: Child) => boolean): boolean;
some(callback: (node: Child) => boolean): boolean;
filter(callback: (node: Child) => boolean): Child[];
sort(callback: (nodeA: Child, nodeB: Child) => number): Child[];
toString(): string;
}
function isContainer(node: any): node is Root | Selector | Pseudo;
interface NamespaceOptions<Value extends string | undefined = string> extends NodeOptions<Value> {
namespace?: string | true;
}
interface Namespace<Value extends string | undefined = string> extends Base<Value> {
/** alias for namespace */
ns: string | true;
/**
* namespace prefix.
*/
namespace: string | true;
/**
* If a namespace exists, prefix the value provided with it, separated by |.
*/
qualifiedName(value: string): string;
/**
* A string representing the namespace suitable for output.
*/
readonly namespaceString: string;
}
function isNamespace(node: any): node is Attribute | Tag;
interface Root extends Container<undefined, Selector> {
type: "root";
/**
* Raises an error, if the processor is invoked on
* a postcss Rule node, a better error message is raised.
*/
error(message: string, options?: ErrorOptions): Error;
nodeAt(line: number, column: number): Node
}
function root(opts: ContainerOptions): Root;
function isRoot(node: any): node is Root;
interface _Selector<S> extends Container<string, Diff<Node, S>> {
type: "selector";
}
type Selector = _Selector<Selector>;
function selector(opts: ContainerOptions): Selector;
function isSelector(node: any): node is Selector;
interface CombinatorRaws {
value?: string;
spaces?: {
before?: string;
after?: string;
};
}
interface Combinator extends Base {
type: "combinator";
raws?: CombinatorRaws;
}
function combinator(opts: NodeOptions): Combinator;
function isCombinator(node: any): node is Combinator;
interface ClassName extends Base {
type: "class";
}
function className(opts: NamespaceOptions): ClassName;
function isClassName(node: any): node is ClassName;
type AttributeOperator = "=" | "~=" | "|=" | "^=" | "$=" | "*=";
type QuoteMark = '"' | "'" | null;
interface PreferredQuoteMarkOptions {
quoteMark?: QuoteMark;
preferCurrentQuoteMark?: boolean;
}
interface SmartQuoteMarkOptions extends PreferredQuoteMarkOptions {
smart?: boolean;
}
interface AttributeOptions extends NamespaceOptions<string | undefined> {
attribute: string;
operator?: AttributeOperator;
insensitive?: boolean;
quoteMark?: QuoteMark;
/** @deprecated Use quoteMark instead. */
quoted?: boolean;
spaces?: {
before?: string;
after?: string;
attribute?: Partial<SpaceAround>;
operator?: Partial<SpaceAround>;
value?: Partial<SpaceAround>;
insensitive?: Partial<SpaceAround>;
}
raws: {
unquoted?: string;
attribute?: string;
operator?: string;
value?: string;
insensitive?: string;
spaces?: {
attribute?: Partial<Spaces>;
operator?: Partial<Spaces>;
value?: Partial<Spaces>;
insensitive?: Partial<Spaces>;
}
};
}
interface Attribute extends Namespace<string | undefined> {
type: "attribute";
attribute: string;
operator?: AttributeOperator;
insensitive?: boolean;
quoteMark: QuoteMark;
quoted?: boolean;
spaces: {
before: string;
after: string;
attribute?: Partial<Spaces>;
operator?: Partial<Spaces>;
value?: Partial<Spaces>;
insensitive?: Partial<Spaces>;
}
raws: {
/** @deprecated The attribute value is unquoted, use that instead.. */
unquoted?: string;
attribute?: string;
operator?: string;
/** The value of the attribute with quotes and escapes. */
value?: string;
insensitive?: string;
spaces?: {
attribute?: Partial<Spaces>;
operator?: Partial<Spaces>;
value?: Partial<Spaces>;
insensitive?: Partial<Spaces>;
}
};
/**
* The attribute name after having been qualified with a namespace.
*/
readonly qualifiedAttribute: string;
/**
* The case insensitivity flag or an empty string depending on whether this
* attribute is case insensitive.
*/
readonly insensitiveFlag : 'i' | '';
/**
* Returns the attribute's value quoted such that it would be legal to use
* in the value of a css file. The original value's quotation setting
* used for stringification is left unchanged. See `setValue(value, options)`
* if you want to control the quote settings of a new value for the attribute or
* `set quoteMark(mark)` if you want to change the quote settings of the current
* value.
*
* You can also change the quotation used for the current value by setting quoteMark.
**/
getQuotedValue(options?: SmartQuoteMarkOptions): string;
/**
* Set the unescaped value with the specified quotation options. The value
* provided must not include any wrapping quote marks -- those quotes will
* be interpreted as part of the value and escaped accordingly.
* @param value
*/
setValue(value: string, options?: SmartQuoteMarkOptions): void;
/**
* Intelligently select a quoteMark value based on the value's contents. If
* the value is a legal CSS ident, it will not be quoted. Otherwise a quote
* mark will be picked that minimizes the number of escapes.
*
* If there's no clear winner, the quote mark from these options is used,
* then the source quote mark (this is inverted if `preferCurrentQuoteMark` is
* true). If the quoteMark is unspecified, a double quote is used.
**/
smartQuoteMark(options: PreferredQuoteMarkOptions): QuoteMark;
/**
* Selects the preferred quote mark based on the options and the current quote mark value.
* If you want the quote mark to depend on the attribute value, call `smartQuoteMark(opts)`
* instead.
*/
preferredQuoteMark(options: PreferredQuoteMarkOptions): QuoteMark
/**
* returns the offset of the attribute part specified relative to the
* start of the node of the output string.
*
* * "ns" - alias for "namespace"
* * "namespace" - the namespace if it exists.
* * "attribute" - the attribute name
* * "attributeNS" - the start of the attribute or its namespace
* * "operator" - the match operator of the attribute
* * "value" - The value (string or identifier)
* * "insensitive" - the case insensitivity flag;
* @param part One of the possible values inside an attribute.
* @returns -1 if the name is invalid or the value doesn't exist in this attribute.
*/
offsetOf(part: "ns" | "namespace" | "attribute" | "attributeNS" | "operator" | "value" | "insensitive"): number;
}
function attribute(opts: AttributeOptions): Attribute;
function isAttribute(node: any): node is Attribute;
interface Pseudo extends Container<string, Selector> {
type: "pseudo";
}
function pseudo(opts: ContainerOptions): Pseudo;
/**
* Checks wether the node is the Psuedo subtype of node.
*/
function isPseudo(node: any): node is Pseudo;
/**
* Checks wether the node is, specifically, a pseudo element instead of
* pseudo class.
*/
function isPseudoElement(node: any): node is Pseudo;
/**
* Checks wether the node is, specifically, a pseudo class instead of
* pseudo element.
*/
function isPseudoClass(node: any): node is Pseudo;
interface Tag extends Namespace {
type: "tag";
}
function tag(opts: NamespaceOptions): Tag;
function isTag(node: any): node is Tag;
interface Comment extends Base {
type: "comment";
}
function comment(opts: NodeOptions): Comment;
function isComment(node: any): node is Comment;
interface Identifier extends Base {
type: "id";
}
function id(opts: any): any;
function isIdentifier(node: any): node is Identifier;
interface Nesting extends Base {
type: "nesting";
}
function nesting(opts: any): any;
function isNesting(node: any): node is Nesting;
interface String extends Base {
type: "string";
}
function string(opts: NodeOptions): String;
function isString(node: any): node is String;
interface Universal extends Base {
type: "universal";
}
function universal(opts?: NamespaceOptions): any;
function isUniversal(node: any): node is Universal;
}

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{
"name": "@tailwindcss/typography",
"version": "0.5.16",
"description": "A Tailwind CSS plugin for automatically styling plain HTML content with beautiful typographic defaults.",
"main": "src/index.js",
"types": "src/index.d.ts",
"files": [
"src/*.js",
"src/*.d.ts",
"dist/"
],
"repository": "https://github.com/tailwindlabs/tailwindcss-typography",
"license": "MIT",
"publishConfig": {
"access": "public"
},
"prettier": {
"printWidth": 100,
"semi": false,
"singleQuote": true,
"trailingComma": "es5"
},
"scripts": {
"test": "jest",
"dev": "next dev demo",
"build": "next build demo",
"export": "next export demo",
"start": "next start demo",
"release-channel": "node ./scripts/release-channel.js",
"release-notes": "node ./scripts/release-notes.js"
},
"peerDependencies": {
"tailwindcss": ">=3.0.0 || insiders || >=4.0.0-alpha.20 || >=4.0.0-beta.1"
},
"devDependencies": {
"@mdx-js/loader": "^1.0.19",
"@mdx-js/mdx": "^1.6.6",
"@next/mdx": "^8.1.0",
"autoprefixer": "^10.2.1",
"highlight.js": "^10.4.1",
"jest": "^29.7.0",
"jest-diff": "^27.3.1",
"next": "^12.0.1",
"postcss": "^8.2.3",
"prettier": "^2.1.2",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"tailwindcss": "^3.2.2"
},
"dependencies": {
"lodash.castarray": "^4.4.0",
"lodash.isplainobject": "^4.0.6",
"lodash.merge": "^4.6.2",
"postcss-selector-parser": "6.0.10"
},
"jest": {
"setupFilesAfterEnv": [
"<rootDir>/jest/customMatchers.js"
]
}
}

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declare function plugin(options?: Partial<{ className: string; target: 'modern' | 'legacy' }>): {
handler: () => void
}
declare namespace plugin {
const __isOptionsFunction: true
}
export = plugin

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const plugin = require('tailwindcss/plugin')
const merge = require('lodash.merge')
const castArray = require('lodash.castarray')
const styles = require('./styles')
const { commonTrailingPseudos } = require('./utils')
const computed = {
// Reserved for future "magic properties", for example:
// bulletColor: (color) => ({ 'ul > li::before': { backgroundColor: color } }),
}
function inWhere(selector, { className, modifier, prefix }) {
let prefixedNot = prefix(`.not-${className}`).slice(1)
let selectorPrefix = selector.startsWith('>')
? `${modifier === 'DEFAULT' ? `.${className}` : `.${className}-${modifier}`} `
: ''
// Parse the selector, if every component ends in the same pseudo element(s) then move it to the end
let [trailingPseudo, rebuiltSelector] = commonTrailingPseudos(selector)
if (trailingPseudo) {
return `:where(${selectorPrefix}${rebuiltSelector}):not(:where([class~="${prefixedNot}"],[class~="${prefixedNot}"] *))${trailingPseudo}`
}
return `:where(${selectorPrefix}${selector}):not(:where([class~="${prefixedNot}"],[class~="${prefixedNot}"] *))`
}
function isObject(value) {
return typeof value === 'object' && value !== null
}
function configToCss(config = {}, { target, className, modifier, prefix }) {
function updateSelector(k, v) {
if (target === 'legacy') {
return [k, v]
}
if (Array.isArray(v)) {
return [k, v]
}
if (isObject(v)) {
let nested = Object.values(v).some(isObject)
if (nested) {
return [
inWhere(k, { className, modifier, prefix }),
v,
Object.fromEntries(Object.entries(v).map(([k, v]) => updateSelector(k, v))),
]
}
return [inWhere(k, { className, modifier, prefix }), v]
}
return [k, v]
}
return Object.fromEntries(
Object.entries(
merge(
{},
...Object.keys(config)
.filter((key) => computed[key])
.map((key) => computed[key](config[key])),
...castArray(config.css || {})
)
).map(([k, v]) => updateSelector(k, v))
)
}
module.exports = plugin.withOptions(
({ className = 'prose', target = 'modern' } = {}) => {
return function ({ addVariant, addComponents, theme, prefix }) {
let modifiers = theme('typography')
let options = { className, prefix }
for (let [name, ...selectors] of [
['headings', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'th'],
['h1'],
['h2'],
['h3'],
['h4'],
['h5'],
['h6'],
['p'],
['a'],
['blockquote'],
['figure'],
['figcaption'],
['strong'],
['em'],
['kbd'],
['code'],
['pre'],
['ol'],
['ul'],
['li'],
['table'],
['thead'],
['tr'],
['th'],
['td'],
['img'],
['video'],
['hr'],
['lead', '[class~="lead"]'],
]) {
selectors = selectors.length === 0 ? [name] : selectors
let selector =
target === 'legacy' ? selectors.map((selector) => `& ${selector}`) : selectors.join(', ')
addVariant(
`${className}-${name}`,
target === 'legacy' ? selector : `& :is(${inWhere(selector, options)})`
)
}
addComponents(
Object.keys(modifiers).map((modifier) => ({
[modifier === 'DEFAULT' ? `.${className}` : `.${className}-${modifier}`]: configToCss(
modifiers[modifier],
{
target,
className,
modifier,
prefix,
}
),
}))
)
}
},
() => {
return {
theme: { typography: styles },
}
}
)

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const isPlainObject = require('lodash.isplainobject')
const parser = require('postcss-selector-parser')
const parseSelector = parser()
module.exports = {
isUsableColor(color, values) {
return isPlainObject(values) && color !== 'gray' && values[600]
},
/**
* @param {string} selector
*/
commonTrailingPseudos(selector) {
let ast = parseSelector.astSync(selector)
/** @type {import('postcss-selector-parser').Pseudo[][]} */
let matrix = []
// Put the pseudo elements in reverse order in a sparse, column-major 2D array
for (let [i, sel] of ast.nodes.entries()) {
for (const [j, child] of [...sel.nodes].reverse().entries()) {
// We only care about pseudo elements
if (child.type !== 'pseudo' || !child.value.startsWith('::')) {
break
}
matrix[j] = matrix[j] || []
matrix[j][i] = child
}
}
let trailingPseudos = parser.selector()
// At this point the pseudo elements are in a column-major 2D array
// This means each row contains one "column" of pseudo elements from each selector
// We can compare all the pseudo elements in a row to see if they are the same
for (const pseudos of matrix) {
// It's a sparse 2D array so there are going to be holes in the rows
// We skip those
if (!pseudos) {
continue
}
let values = new Set(pseudos.map((p) => p.value))
// The pseudo elements are not the same
if (values.size > 1) {
break
}
pseudos.forEach((pseudo) => pseudo.remove())
trailingPseudos.prepend(pseudos[0])
}
if (trailingPseudos.nodes.length) {
return [trailingPseudos.toString(), ast.toString()]
}
return [null, selector]
},
}