[d565449] | 1 | import AtRule from './at-rule.js'
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| 2 | import Comment from './comment.js'
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| 3 | import Declaration from './declaration.js'
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| 4 | import Node, { ChildNode, ChildProps, NodeProps } from './node.js'
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| 5 | import Rule from './rule.js'
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| 6 |
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| 7 | declare namespace Container {
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| 8 | export class ContainerWithChildren<
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| 9 | Child extends Node = ChildNode
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| 10 | > extends Container_<Child> {
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| 11 | nodes: Child[]
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| 12 | }
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| 13 |
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| 14 | export interface ValueOptions {
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| 15 | /**
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| 16 | * String that’s used to narrow down values and speed up the regexp search.
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| 17 | */
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| 18 | fast?: string
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| 19 |
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| 20 | /**
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| 21 | * An array of property names.
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| 22 | */
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[0c6b92a] | 23 | props?: readonly string[]
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[d565449] | 24 | }
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| 25 |
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| 26 | export interface ContainerProps extends NodeProps {
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[0c6b92a] | 27 | nodes?: readonly (ChildProps | Node)[]
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[d565449] | 28 | }
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| 29 |
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[0c6b92a] | 30 | /**
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| 31 | * All types that can be passed into container methods to create or add a new
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| 32 | * child node.
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| 33 | */
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| 34 | export type NewChild =
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| 35 | | ChildProps
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| 36 | | Node
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| 37 | | readonly ChildProps[]
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| 38 | | readonly Node[]
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| 39 | | readonly string[]
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| 40 | | string
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| 41 | | undefined
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| 42 |
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[d565449] | 43 | // eslint-disable-next-line @typescript-eslint/no-use-before-define
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| 44 | export { Container_ as default }
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| 45 | }
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| 46 |
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| 47 | /**
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| 48 | * The `Root`, `AtRule`, and `Rule` container nodes
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| 49 | * inherit some common methods to help work with their children.
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| 50 | *
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| 51 | * Note that all containers can store any content. If you write a rule inside
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| 52 | * a rule, PostCSS will parse it.
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| 53 | */
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| 54 | declare abstract class Container_<Child extends Node = ChildNode> extends Node {
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| 55 | /**
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| 56 | * An array containing the container’s children.
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| 57 | *
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| 58 | * ```js
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| 59 | * const root = postcss.parse('a { color: black }')
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| 60 | * root.nodes.length //=> 1
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| 61 | * root.nodes[0].selector //=> 'a'
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| 62 | * root.nodes[0].nodes[0].prop //=> 'color'
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| 63 | * ```
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| 64 | */
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| 65 | nodes: Child[] | undefined
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| 66 |
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[0c6b92a] | 67 | /**
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| 68 | * An internal method that converts a {@link NewChild} into a list of actual
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| 69 | * child nodes that can then be added to this container.
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| 70 | *
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| 71 | * This ensures that the nodes' parent is set to this container, that they use
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| 72 | * the correct prototype chain, and that they're marked as dirty.
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| 73 | *
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| 74 | * @param mnodes The new node or nodes to add.
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| 75 | * @param sample A node from whose raws the new node's `before` raw should be
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| 76 | * taken.
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| 77 | * @param type This should be set to `'prepend'` if the new nodes will be
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| 78 | * inserted at the beginning of the container.
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| 79 | * @hidden
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| 80 | */
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| 81 | protected normalize(
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| 82 | nodes: Container.NewChild,
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| 83 | sample: Node | undefined,
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| 84 | type?: 'prepend' | false
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| 85 | ): Child[]
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| 86 |
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[d565449] | 87 | /**
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| 88 | * Inserts new nodes to the end of the container.
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| 89 | *
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| 90 | * ```js
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| 91 | * const decl1 = new Declaration({ prop: 'color', value: 'black' })
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| 92 | * const decl2 = new Declaration({ prop: 'background-color', value: 'white' })
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| 93 | * rule.append(decl1, decl2)
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| 94 | *
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| 95 | * root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule
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| 96 | * root.append({ selector: 'a' }) // rule
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| 97 | * rule.append({ prop: 'color', value: 'black' }) // declaration
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| 98 | * rule.append({ text: 'Comment' }) // comment
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| 99 | *
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| 100 | * root.append('a {}')
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| 101 | * root.first.append('color: black; z-index: 1')
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| 102 | * ```
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| 103 | *
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| 104 | * @param nodes New nodes.
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| 105 | * @return This node for methods chain.
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| 106 | */
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[0c6b92a] | 107 | append(...nodes: Container.NewChild[]): this
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[d565449] | 108 | assign(overrides: Container.ContainerProps | object): this
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[0c6b92a] | 109 | clone(overrides?: Partial<Container.ContainerProps>): this
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| 110 | cloneAfter(overrides?: Partial<Container.ContainerProps>): this
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| 111 |
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| 112 | cloneBefore(overrides?: Partial<Container.ContainerProps>): this
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[d565449] | 113 |
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| 114 | /**
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| 115 | * Iterates through the container’s immediate children,
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| 116 | * calling `callback` for each child.
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| 117 | *
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| 118 | * Returning `false` in the callback will break iteration.
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| 119 | *
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| 120 | * This method only iterates through the container’s immediate children.
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| 121 | * If you need to recursively iterate through all the container’s descendant
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| 122 | * nodes, use `Container#walk`.
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| 123 | *
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| 124 | * Unlike the for `{}`-cycle or `Array#forEach` this iterator is safe
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| 125 | * if you are mutating the array of child nodes during iteration.
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| 126 | * PostCSS will adjust the current index to match the mutations.
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| 127 | *
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| 128 | * ```js
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| 129 | * const root = postcss.parse('a { color: black; z-index: 1 }')
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| 130 | * const rule = root.first
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| 131 | *
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| 132 | * for (const decl of rule.nodes) {
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| 133 | * decl.cloneBefore({ prop: '-webkit-' + decl.prop })
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| 134 | * // Cycle will be infinite, because cloneBefore moves the current node
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| 135 | * // to the next index
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| 136 | * }
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| 137 | *
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| 138 | * rule.each(decl => {
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| 139 | * decl.cloneBefore({ prop: '-webkit-' + decl.prop })
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| 140 | * // Will be executed only for color and z-index
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| 141 | * })
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| 142 | * ```
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| 143 | *
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| 144 | * @param callback Iterator receives each node and index.
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| 145 | * @return Returns `false` if iteration was broke.
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| 146 | */
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| 147 | each(
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| 148 | callback: (node: Child, index: number) => false | void
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| 149 | ): false | undefined
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| 150 | /**
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| 151 | * Returns `true` if callback returns `true`
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| 152 | * for all of the container’s children.
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| 153 | *
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| 154 | * ```js
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| 155 | * const noPrefixes = rule.every(i => i.prop[0] !== '-')
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| 156 | * ```
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| 157 | *
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| 158 | * @param condition Iterator returns true or false.
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| 159 | * @return Is every child pass condition.
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| 160 | */
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| 161 | every(
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| 162 | condition: (node: Child, index: number, nodes: Child[]) => boolean
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| 163 | ): boolean
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[0c6b92a] | 164 |
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[d565449] | 165 | /**
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| 166 | * Returns a `child`’s index within the `Container#nodes` array.
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| 167 | *
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| 168 | * ```js
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| 169 | * rule.index( rule.nodes[2] ) //=> 2
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| 170 | * ```
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| 171 | *
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| 172 | * @param child Child of the current container.
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| 173 | * @return Child index.
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| 174 | */
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| 175 | index(child: Child | number): number
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| 176 | /**
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| 177 | * Insert new node after old node within the container.
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| 178 | *
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| 179 | * @param oldNode Child or child’s index.
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| 180 | * @param newNode New node.
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| 181 | * @return This node for methods chain.
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| 182 | */
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[0c6b92a] | 183 | insertAfter(oldNode: Child | number, newNode: Container.NewChild): this
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| 184 |
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[d565449] | 185 | /**
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| 186 | * Insert new node before old node within the container.
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| 187 | *
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| 188 | * ```js
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| 189 | * rule.insertBefore(decl, decl.clone({ prop: '-webkit-' + decl.prop }))
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| 190 | * ```
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| 191 | *
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| 192 | * @param oldNode Child or child’s index.
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| 193 | * @param newNode New node.
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| 194 | * @return This node for methods chain.
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| 195 | */
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[0c6b92a] | 196 | insertBefore(oldNode: Child | number, newNode: Container.NewChild): this
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[d565449] | 197 |
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| 198 | /**
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| 199 | * Traverses the container’s descendant nodes, calling callback
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| 200 | * for each comment node.
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| 201 | *
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| 202 | * Like `Container#each`, this method is safe
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| 203 | * to use if you are mutating arrays during iteration.
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| 204 | *
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| 205 | * ```js
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| 206 | * root.walkComments(comment => {
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| 207 | * comment.remove()
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| 208 | * })
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| 209 | * ```
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| 210 | *
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| 211 | * @param callback Iterator receives each node and index.
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| 212 | * @return Returns `false` if iteration was broke.
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| 213 | */
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| 214 |
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| 215 | /**
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| 216 | * Inserts new nodes to the start of the container.
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| 217 | *
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| 218 | * ```js
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| 219 | * const decl1 = new Declaration({ prop: 'color', value: 'black' })
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| 220 | * const decl2 = new Declaration({ prop: 'background-color', value: 'white' })
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| 221 | * rule.prepend(decl1, decl2)
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| 222 | *
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| 223 | * root.append({ name: 'charset', params: '"UTF-8"' }) // at-rule
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| 224 | * root.append({ selector: 'a' }) // rule
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| 225 | * rule.append({ prop: 'color', value: 'black' }) // declaration
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| 226 | * rule.append({ text: 'Comment' }) // comment
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| 227 | *
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| 228 | * root.append('a {}')
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| 229 | * root.first.append('color: black; z-index: 1')
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| 230 | * ```
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| 231 | *
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| 232 | * @param nodes New nodes.
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| 233 | * @return This node for methods chain.
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| 234 | */
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[0c6b92a] | 235 | prepend(...nodes: Container.NewChild[]): this
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[d565449] | 236 | /**
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| 237 | * Add child to the end of the node.
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| 238 | *
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| 239 | * ```js
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| 240 | * rule.push(new Declaration({ prop: 'color', value: 'black' }))
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| 241 | * ```
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| 242 | *
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| 243 | * @param child New node.
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| 244 | * @return This node for methods chain.
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| 245 | */
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| 246 | push(child: Child): this
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| 247 |
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| 248 | /**
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| 249 | * Removes all children from the container
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| 250 | * and cleans their parent properties.
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| 251 | *
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| 252 | * ```js
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| 253 | * rule.removeAll()
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| 254 | * rule.nodes.length //=> 0
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| 255 | * ```
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| 256 | *
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| 257 | * @return This node for methods chain.
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| 258 | */
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| 259 | removeAll(): this
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| 260 |
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| 261 | /**
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| 262 | * Removes node from the container and cleans the parent properties
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| 263 | * from the node and its children.
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| 264 | *
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| 265 | * ```js
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| 266 | * rule.nodes.length //=> 5
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| 267 | * rule.removeChild(decl)
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| 268 | * rule.nodes.length //=> 4
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| 269 | * decl.parent //=> undefined
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| 270 | * ```
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| 271 | *
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| 272 | * @param child Child or child’s index.
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| 273 | * @return This node for methods chain.
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| 274 | */
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| 275 | removeChild(child: Child | number): this
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| 276 |
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| 277 | replaceValues(
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| 278 | pattern: RegExp | string,
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| 279 | replaced: { (substring: string, ...args: any[]): string } | string
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| 280 | ): this
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| 281 |
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| 282 | /**
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| 283 | * Passes all declaration values within the container that match pattern
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| 284 | * through callback, replacing those values with the returned result
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| 285 | * of callback.
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| 286 | *
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| 287 | * This method is useful if you are using a custom unit or function
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| 288 | * and need to iterate through all values.
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| 289 | *
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| 290 | * ```js
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| 291 | * root.replaceValues(/\d+rem/, { fast: 'rem' }, string => {
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| 292 | * return 15 * parseInt(string) + 'px'
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| 293 | * })
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| 294 | * ```
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| 295 | *
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| 296 | * @param pattern Replace pattern.
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[0c6b92a] | 297 | * @param {object} options Options to speed up the search.
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| 298 | * @param replaced String to replace pattern or callback
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[d565449] | 299 | * that returns a new value. The callback
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| 300 | * will receive the same arguments
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| 301 | * as those passed to a function parameter
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| 302 | * of `String#replace`.
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| 303 | * @return This node for methods chain.
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| 304 | */
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| 305 | replaceValues(
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| 306 | pattern: RegExp | string,
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| 307 | options: Container.ValueOptions,
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| 308 | replaced: { (substring: string, ...args: any[]): string } | string
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| 309 | ): this
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| 310 |
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| 311 | /**
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| 312 | * Returns `true` if callback returns `true` for (at least) one
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| 313 | * of the container’s children.
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| 314 | *
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| 315 | * ```js
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| 316 | * const hasPrefix = rule.some(i => i.prop[0] === '-')
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| 317 | * ```
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| 318 | *
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| 319 | * @param condition Iterator returns true or false.
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| 320 | * @return Is some child pass condition.
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| 321 | */
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| 322 | some(
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| 323 | condition: (node: Child, index: number, nodes: Child[]) => boolean
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| 324 | ): boolean
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| 325 |
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| 326 | /**
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| 327 | * Traverses the container’s descendant nodes, calling callback
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| 328 | * for each node.
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| 329 | *
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| 330 | * Like container.each(), this method is safe to use
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| 331 | * if you are mutating arrays during iteration.
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| 332 | *
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| 333 | * If you only need to iterate through the container’s immediate children,
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| 334 | * use `Container#each`.
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| 335 | *
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| 336 | * ```js
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| 337 | * root.walk(node => {
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| 338 | * // Traverses all descendant nodes.
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| 339 | * })
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| 340 | * ```
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| 341 | *
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| 342 | * @param callback Iterator receives each node and index.
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| 343 | * @return Returns `false` if iteration was broke.
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| 344 | */
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| 345 | walk(
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| 346 | callback: (node: ChildNode, index: number) => false | void
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| 347 | ): false | undefined
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| 348 |
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| 349 | /**
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| 350 | * Traverses the container’s descendant nodes, calling callback
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| 351 | * for each at-rule node.
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| 352 | *
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| 353 | * If you pass a filter, iteration will only happen over at-rules
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| 354 | * that have matching names.
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| 355 | *
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| 356 | * Like `Container#each`, this method is safe
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| 357 | * to use if you are mutating arrays during iteration.
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| 358 | *
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| 359 | * ```js
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| 360 | * root.walkAtRules(rule => {
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| 361 | * if (isOld(rule.name)) rule.remove()
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| 362 | * })
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| 363 | *
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| 364 | * let first = false
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| 365 | * root.walkAtRules('charset', rule => {
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| 366 | * if (!first) {
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| 367 | * first = true
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| 368 | * } else {
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| 369 | * rule.remove()
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| 370 | * }
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| 371 | * })
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| 372 | * ```
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| 373 | *
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| 374 | * @param name String or regular expression to filter at-rules by name.
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| 375 | * @param callback Iterator receives each node and index.
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| 376 | * @return Returns `false` if iteration was broke.
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| 377 | */
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| 378 | walkAtRules(
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| 379 | nameFilter: RegExp | string,
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| 380 | callback: (atRule: AtRule, index: number) => false | void
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| 381 | ): false | undefined
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| 382 |
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| 383 | walkAtRules(
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| 384 | callback: (atRule: AtRule, index: number) => false | void
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| 385 | ): false | undefined
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| 386 | walkComments(
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| 387 | callback: (comment: Comment, indexed: number) => false | void
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| 388 | ): false | undefined
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| 389 |
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| 390 | walkComments(
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| 391 | callback: (comment: Comment, indexed: number) => false | void
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| 392 | ): false | undefined
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| 393 |
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| 394 | /**
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| 395 | * Traverses the container’s descendant nodes, calling callback
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| 396 | * for each declaration node.
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| 397 | *
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| 398 | * If you pass a filter, iteration will only happen over declarations
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| 399 | * with matching properties.
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| 400 | *
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| 401 | * ```js
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| 402 | * root.walkDecls(decl => {
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| 403 | * checkPropertySupport(decl.prop)
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| 404 | * })
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| 405 | *
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| 406 | * root.walkDecls('border-radius', decl => {
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| 407 | * decl.remove()
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| 408 | * })
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| 409 | *
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| 410 | * root.walkDecls(/^background/, decl => {
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| 411 | * decl.value = takeFirstColorFromGradient(decl.value)
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| 412 | * })
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| 413 | * ```
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| 414 | *
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| 415 | * Like `Container#each`, this method is safe
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| 416 | * to use if you are mutating arrays during iteration.
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| 417 | *
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| 418 | * @param prop String or regular expression to filter declarations
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| 419 | * by property name.
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| 420 | * @param callback Iterator receives each node and index.
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| 421 | * @return Returns `false` if iteration was broke.
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| 422 | */
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| 423 | walkDecls(
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| 424 | propFilter: RegExp | string,
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| 425 | callback: (decl: Declaration, index: number) => false | void
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| 426 | ): false | undefined
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| 427 |
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| 428 | walkDecls(
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| 429 | callback: (decl: Declaration, index: number) => false | void
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| 430 | ): false | undefined
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| 431 |
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| 432 | /**
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| 433 | * Traverses the container’s descendant nodes, calling callback
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| 434 | * for each rule node.
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| 435 | *
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| 436 | * If you pass a filter, iteration will only happen over rules
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| 437 | * with matching selectors.
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| 438 | *
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| 439 | * Like `Container#each`, this method is safe
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| 440 | * to use if you are mutating arrays during iteration.
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| 441 | *
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| 442 | * ```js
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| 443 | * const selectors = []
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| 444 | * root.walkRules(rule => {
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| 445 | * selectors.push(rule.selector)
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| 446 | * })
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| 447 | * console.log(`Your CSS uses ${ selectors.length } selectors`)
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| 448 | * ```
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| 449 | *
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| 450 | * @param selector String or regular expression to filter rules by selector.
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| 451 | * @param callback Iterator receives each node and index.
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| 452 | * @return Returns `false` if iteration was broke.
|
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| 453 | */
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| 454 | walkRules(
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| 455 | selectorFilter: RegExp | string,
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| 456 | callback: (rule: Rule, index: number) => false | void
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| 457 | ): false | undefined
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| 458 | walkRules(
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| 459 | callback: (rule: Rule, index: number) => false | void
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| 460 | ): false | undefined
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| 461 | /**
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| 462 | * The container’s first child.
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| 463 | *
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| 464 | * ```js
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| 465 | * rule.first === rules.nodes[0]
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| 466 | * ```
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| 467 | */
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| 468 | get first(): Child | undefined
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| 469 | /**
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| 470 | * The container’s last child.
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| 471 | *
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| 472 | * ```js
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| 473 | * rule.last === rule.nodes[rule.nodes.length - 1]
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| 474 | * ```
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| 475 | */
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| 476 | get last(): Child | undefined
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| 477 | }
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| 478 |
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| 479 | declare class Container<
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| 480 | Child extends Node = ChildNode
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| 481 | > extends Container_<Child> {}
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| 482 |
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| 483 | export = Container
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