forked from Fediversity/fediversity.eu
491 lines
13 KiB
TypeScript
491 lines
13 KiB
TypeScript
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import AtRule from './at-rule.js'
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import Comment from './comment.js'
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import Declaration from './declaration.js'
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import Node, { ChildNode, ChildProps, NodeProps } from './node.js'
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import Rule from './rule.js'
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declare namespace Container {
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export class ContainerWithChildren<
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Child extends Node = ChildNode
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> extends Container_<Child> {
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nodes: Child[]
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}
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export interface ValueOptions {
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/**
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* String that’s used to narrow down values and speed up the regexp search.
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*/
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fast?: string
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/**
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* An array of property names.
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*/
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props?: string[]
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}
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export interface ContainerProps extends NodeProps {
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nodes?: (ChildNode | ChildProps)[]
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}
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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export { Container_ as default }
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}
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/**
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* The `Root`, `AtRule`, and `Rule` container nodes
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* inherit some common methods to help work with their children.
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*
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* Note that all containers can store any content. If you write a rule inside
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* a rule, PostCSS will parse it.
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*/
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declare abstract class Container_<Child extends Node = ChildNode> extends Node {
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/**
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* An array containing the container’s children.
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*
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* ```js
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* const root = postcss.parse('a { color: black }')
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* root.nodes.length //=> 1
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* root.nodes[0].selector //=> 'a'
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* root.nodes[0].nodes[0].prop //=> 'color'
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* ```
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*/
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nodes: Child[] | undefined
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/**
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* Inserts new nodes to the end of the container.
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*
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* ```js
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* const decl1 = new Declaration({ prop: 'color', value: 'black' })
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* const decl2 = new Declaration({ prop: 'background-color', value: 'white' })
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* rule.append(decl1, decl2)
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*
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* root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule
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* root.append({ selector: 'a' }) // rule
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* rule.append({ prop: 'color', value: 'black' }) // declaration
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* rule.append({ text: 'Comment' }) // comment
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*
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* root.append('a {}')
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* root.first.append('color: black; z-index: 1')
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* ```
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*
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* @param nodes New nodes.
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* @return This node for methods chain.
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*/
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append(
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...nodes: (
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| ChildProps
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| ChildProps[]
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| Node
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| Node[]
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| string
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| string[]
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| undefined
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)[]
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): this
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assign(overrides: Container.ContainerProps | object): this
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clone(overrides?: Partial<Container.ContainerProps>): Container<Child>
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cloneAfter(overrides?: Partial<Container.ContainerProps>): Container<Child>
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cloneBefore(overrides?: Partial<Container.ContainerProps>): Container<Child>
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/**
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* Iterates through the container’s immediate children,
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* calling `callback` for each child.
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*
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* Returning `false` in the callback will break iteration.
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*
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* This method only iterates through the container’s immediate children.
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* If you need to recursively iterate through all the container’s descendant
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* nodes, use `Container#walk`.
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*
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* Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe
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* if you are mutating the array of child nodes during iteration.
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* PostCSS will adjust the current index to match the mutations.
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*
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* ```js
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* const root = postcss.parse('a { color: black; z-index: 1 }')
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* const rule = root.first
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*
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* for (const decl of rule.nodes) {
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* decl.cloneBefore({ prop: '-webkit-' + decl.prop })
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* // Cycle will be infinite, because cloneBefore moves the current node
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* // to the next index
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* }
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*
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* rule.each(decl => {
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* decl.cloneBefore({ prop: '-webkit-' + decl.prop })
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* // Will be executed only for color and z-index
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* })
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* ```
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*
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* @param callback Iterator receives each node and index.
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* @return Returns `false` if iteration was broke.
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*/
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each(
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callback: (node: Child, index: number) => false | void
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): false | undefined
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/**
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* Returns `true` if callback returns `true`
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* for all of the container’s children.
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*
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* ```js
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* const noPrefixes = rule.every(i => i.prop[0] !== '-')
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* ```
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*
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* @param condition Iterator returns true or false.
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* @return Is every child pass condition.
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*/
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every(
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condition: (node: Child, index: number, nodes: Child[]) => boolean
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): boolean
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/**
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* Returns a `child`’s index within the `Container#nodes` array.
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*
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* ```js
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* rule.index( rule.nodes[2] ) //=> 2
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* ```
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*
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* @param child Child of the current container.
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* @return Child index.
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*/
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index(child: Child | number): number
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/**
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* Insert new node after old node within the container.
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*
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* @param oldNode Child or child’s index.
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* @param newNode New node.
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* @return This node for methods chain.
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*/
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insertAfter(
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oldNode: Child | number,
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newNode:
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| Child
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| Child[]
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| ChildProps
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| ChildProps[]
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| string
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| string[]
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| undefined
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): this
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/**
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* Insert new node before old node within the container.
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*
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* ```js
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* rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop }))
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* ```
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*
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* @param oldNode Child or child’s index.
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* @param newNode New node.
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* @return This node for methods chain.
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*/
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insertBefore(
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oldNode: Child | number,
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newNode:
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| Child
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| Child[]
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| ChildProps
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| ChildProps[]
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| string
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| string[]
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| undefined
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): this
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each comment node.
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*
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* Like `Container#each`, this method is safe
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* to use if you are mutating arrays during iteration.
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*
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* ```js
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* root.walkComments(comment => {
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* comment.remove()
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* })
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* ```
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*
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* @param callback Iterator receives each node and index.
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* @return Returns `false` if iteration was broke.
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*/
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/**
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* Inserts new nodes to the start of the container.
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*
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* ```js
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* const decl1 = new Declaration({ prop: 'color', value: 'black' })
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* const decl2 = new Declaration({ prop: 'background-color', value: 'white' })
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* rule.prepend(decl1, decl2)
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*
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* root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule
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* root.append({ selector: 'a' }) // rule
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* rule.append({ prop: 'color', value: 'black' }) // declaration
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* rule.append({ text: 'Comment' }) // comment
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*
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* root.append('a {}')
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* root.first.append('color: black; z-index: 1')
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* ```
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*
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* @param nodes New nodes.
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* @return This node for methods chain.
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*/
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prepend(
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...nodes: (
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| ChildProps
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| ChildProps[]
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| Node
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| Node[]
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| string
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| string[]
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| undefined
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)[]
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): this
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/**
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* Add child to the end of the node.
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*
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* ```js
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* rule.push(new Declaration({ prop: 'color', value: 'black' }))
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* ```
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*
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* @param child New node.
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* @return This node for methods chain.
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*/
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push(child: Child): this
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/**
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* Removes all children from the container
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* and cleans their parent properties.
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*
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* ```js
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* rule.removeAll()
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* rule.nodes.length //=> 0
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* ```
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*
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* @return This node for methods chain.
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*/
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removeAll(): this
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/**
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* Removes node from the container and cleans the parent properties
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* from the node and its children.
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*
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* ```js
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* rule.nodes.length //=> 5
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* rule.removeChild(decl)
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* rule.nodes.length //=> 4
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* decl.parent //=> undefined
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* ```
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*
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* @param child Child or child’s index.
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* @return This node for methods chain.
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*/
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removeChild(child: Child | number): this
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replaceValues(
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pattern: RegExp | string,
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replaced: { (substring: string, ...args: any[]): string } | string
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): this
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/**
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* Passes all declaration values within the container that match pattern
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* through callback, replacing those values with the returned result
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* of callback.
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*
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* This method is useful if you are using a custom unit or function
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* and need to iterate through all values.
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*
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* ```js
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* root.replaceValues(/\d+rem/, { fast: 'rem' }, string => {
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* return 15 * parseInt(string) + 'px'
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* })
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* ```
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*
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* @param pattern Replace pattern.
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* @param {object} opts Options to speed up the search.
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* @param callback String to replace pattern or callback
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* that returns a new value. The callback
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* will receive the same arguments
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* as those passed to a function parameter
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* of `String#replace`.
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* @return This node for methods chain.
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*/
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replaceValues(
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pattern: RegExp | string,
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options: Container.ValueOptions,
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replaced: { (substring: string, ...args: any[]): string } | string
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): this
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/**
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* Returns `true` if callback returns `true` for (at least) one
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* of the container’s children.
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*
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* ```js
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* const hasPrefix = rule.some(i => i.prop[0] === '-')
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* ```
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*
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* @param condition Iterator returns true or false.
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* @return Is some child pass condition.
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*/
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some(
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condition: (node: Child, index: number, nodes: Child[]) => boolean
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): boolean
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each node.
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*
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|
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* Like container.each(), this method is safe to use
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|
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* if you are mutating arrays during iteration.
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|
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*
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|
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* If you only need to iterate through the container’s immediate children,
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|
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* use `Container#each`.
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|
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*
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|||
|
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* ```js
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* root.walk(node => {
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* // Traverses all descendant nodes.
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* })
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* ```
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*
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* @param callback Iterator receives each node and index.
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* @return Returns `false` if iteration was broke.
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*/
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walk(
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callback: (node: ChildNode, index: number) => false | void
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): false | undefined
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|||
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/**
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* Traverses the container’s descendant nodes, calling callback
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* for each at-rule node.
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*
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* If you pass a filter, iteration will only happen over at-rules
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* that have matching names.
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*
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|||
|
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* Like `Container#each`, this method is safe
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|
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* to use if you are mutating arrays during iteration.
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*
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* ```js
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|||
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* root.walkAtRules(rule => {
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* if (isOld(rule.name)) rule.remove()
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* })
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*
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* let first = false
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* root.walkAtRules('charset', rule => {
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* if (!first) {
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* first = true
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* } else {
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* rule.remove()
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* }
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* })
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* ```
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*
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* @param name String or regular expression to filter at-rules by name.
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* @param callback Iterator receives each node and index.
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|||
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* @return Returns `false` if iteration was broke.
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*/
|
|||
|
|
walkAtRules(
|
|||
|
|
nameFilter: RegExp | string,
|
|||
|
|
callback: (atRule: AtRule, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
|
|||
|
|
walkAtRules(
|
|||
|
|
callback: (atRule: AtRule, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
walkComments(
|
|||
|
|
callback: (comment: Comment, indexed: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
|
|||
|
|
walkComments(
|
|||
|
|
callback: (comment: Comment, indexed: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Traverses the container’s descendant nodes, calling callback
|
|||
|
|
* for each declaration node.
|
|||
|
|
*
|
|||
|
|
* If you pass a filter, iteration will only happen over declarations
|
|||
|
|
* with matching properties.
|
|||
|
|
*
|
|||
|
|
* ```js
|
|||
|
|
* root.walkDecls(decl => {
|
|||
|
|
* checkPropertySupport(decl.prop)
|
|||
|
|
* })
|
|||
|
|
*
|
|||
|
|
* root.walkDecls('border-radius', decl => {
|
|||
|
|
* decl.remove()
|
|||
|
|
* })
|
|||
|
|
*
|
|||
|
|
* root.walkDecls(/^background/, decl => {
|
|||
|
|
* decl.value = takeFirstColorFromGradient(decl.value)
|
|||
|
|
* })
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* Like `Container#each`, this method is safe
|
|||
|
|
* to use if you are mutating arrays during iteration.
|
|||
|
|
*
|
|||
|
|
* @param prop String or regular expression to filter declarations
|
|||
|
|
* by property name.
|
|||
|
|
* @param callback Iterator receives each node and index.
|
|||
|
|
* @return Returns `false` if iteration was broke.
|
|||
|
|
*/
|
|||
|
|
walkDecls(
|
|||
|
|
propFilter: RegExp | string,
|
|||
|
|
callback: (decl: Declaration, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
|
|||
|
|
walkDecls(
|
|||
|
|
callback: (decl: Declaration, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Traverses the container’s descendant nodes, calling callback
|
|||
|
|
* for each rule node.
|
|||
|
|
*
|
|||
|
|
* If you pass a filter, iteration will only happen over rules
|
|||
|
|
* with matching selectors.
|
|||
|
|
*
|
|||
|
|
* Like `Container#each`, this method is safe
|
|||
|
|
* to use if you are mutating arrays during iteration.
|
|||
|
|
*
|
|||
|
|
* ```js
|
|||
|
|
* const selectors = []
|
|||
|
|
* root.walkRules(rule => {
|
|||
|
|
* selectors.push(rule.selector)
|
|||
|
|
* })
|
|||
|
|
* console.log(`Your CSS uses ${ selectors.length } selectors`)
|
|||
|
|
* ```
|
|||
|
|
*
|
|||
|
|
* @param selector String or regular expression to filter rules by selector.
|
|||
|
|
* @param callback Iterator receives each node and index.
|
|||
|
|
* @return Returns `false` if iteration was broke.
|
|||
|
|
*/
|
|||
|
|
walkRules(
|
|||
|
|
selectorFilter: RegExp | string,
|
|||
|
|
callback: (rule: Rule, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
walkRules(
|
|||
|
|
callback: (rule: Rule, index: number) => false | void
|
|||
|
|
): false | undefined
|
|||
|
|
/**
|
|||
|
|
* The container’s first child.
|
|||
|
|
*
|
|||
|
|
* ```js
|
|||
|
|
* rule.first === rules.nodes[0]
|
|||
|
|
* ```
|
|||
|
|
*/
|
|||
|
|
get first(): Child | undefined
|
|||
|
|
/**
|
|||
|
|
* The container’s last child.
|
|||
|
|
*
|
|||
|
|
* ```js
|
|||
|
|
* rule.last === rule.nodes[rule.nodes.length - 1]
|
|||
|
|
* ```
|
|||
|
|
*/
|
|||
|
|
get last(): Child | undefined
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
declare class Container<
|
|||
|
|
Child extends Node = ChildNode
|
|||
|
|
> extends Container_<Child> {}
|
|||
|
|
|
|||
|
|
export = Container
|