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import Declaration, { DeclarationProps } from './declaration.js'
import Comment, { CommentProps } from './comment.js'
import { Stringifier, Syntax } from './postcss.js'
import AtRule, { AtRuleProps } from './at-rule.js'
import Rule, { RuleProps } from './rule.js'
import { WarningOptions } from './warning.js'
import CssSyntaxError from './css-syntax-error.js'
import Result from './result.js'
import Input from './input.js'
import Root from './root.js'
import Document from './document.js'
import Container from './container.js'
export type ChildNode = AtRule | Rule | Declaration | Comment
export type AnyNode = AtRule | Rule | Declaration | Comment | Root | Document
export type ChildProps =
| AtRuleProps
| RuleProps
| DeclarationProps
| CommentProps
export interface Position {
/**
* Source offset in file. It starts from 0.
*/
offset: number
/**
* Source line in file. In contrast to `offset` it starts from 1.
*/
column: number
/**
* Source column in file.
*/
line: number
}
export interface Range {
/**
* Start position, inclusive.
*/
start: Position
/**
* End position, exclusive.
*/
end: Position
}
export interface Source {
/**
* The file source of the node.
*/
input: Input
/**
* The inclusive starting position of the node’s source.
*/
start?: Position
/**
* The inclusive ending position of the node's source.
*/
end?: Position
}
export interface NodeProps {
source?: Source
}
interface NodeErrorOptions {
/**
* Plugin name that created this error. PostCSS will set it automatically.
*/
plugin?: string
/**
* A word inside a node's string, that should be highlighted as source
* of error.
*/
word?: string
/**
* An index inside a node's string that should be highlighted as source
* of error.
*/
index?: number
/**
* An ending index inside a node's string that should be highlighted as
* source of error.
*/
endIndex?: number
}
/**
* All node classes inherit the following common methods.
*
* You should not extend this classes to create AST for selector or value
* parser.
*/
export default abstract class Node {
/**
* tring representing the node’s type. Possible values are `root`, `atrule`,
* `rule`, `decl`, or `comment`.
*
* ```js
* new Declaration({ prop: 'color', value: 'black' }).type //=> 'decl'
* ```
*/
type: string
/**
* The node’s parent node.
*
* ```js
* root.nodes[0].parent === root
* ```
*/
parent: Document | Container | undefined
/**
* The input source of the node.
*
* The property is used in source map generation.
*
* If you create a node manually (e.g., with `postcss.decl()`),
* that node will not have a `source` property and will be absent
* from the source map. For this reason, the plugin developer should
* consider cloning nodes to create new ones (in which case the new node’s
* source will reference the original, cloned node) or setting
* the `source` property manually.
*
* ```js
* decl.source.input.from //=> '/home/ai/a.sass'
* decl.source.start //=> { line: 10, column: 2 }
* decl.source.end //=> { line: 10, column: 12 }
* ```
*
* ```js
* // Bad
* const prefixed = postcss.decl({
* prop: '-moz-' + decl.prop,
* value: decl.value
* })
*
* // Good
* const prefixed = decl.clone({ prop: '-moz-' + decl.prop })
* ```
*
* ```js
* if (atrule.name === 'add-link') {
* const rule = postcss.rule({ selector: 'a', source: atrule.source })
* atrule.parent.insertBefore(atrule, rule)
* }
* ```
*/
source?: Source
/**
* Information to generate byte-to-byte equal node string as it was
* in the origin input.
*
* Every parser saves its own properties,
* but the default CSS parser uses:
*
* * `before`: the space symbols before the node. It also stores `*`
* and `_` symbols before the declaration (IE hack).
* * `after`: the space symbols after the last child of the node
* to the end of the node.
* * `between`: the symbols between the property and value
* for declarations, selector and `{` for rules, or last parameter
* and `{` for at-rules.
* * `semicolon`: contains true if the last child has
* an (optional) semicolon.
* * `afterName`: the space between the at-rule name and its parameters.
* * `left`: the space symbols between `/*` and the comment’s text.
* * `right`: the space symbols between the comment’s text
* and <code>*/</code>.
* * `important`: the content of the important statement,
* if it is not just `!important`.
*
* PostCSS cleans selectors, declaration values and at-rule parameters
* from comments and extra spaces, but it stores origin content in raws
* properties. As such, if you don’t change a declaration’s value,
* PostCSS will use the raw value with comments.
*
* ```js
* const root = postcss.parse('a {\n color:black\n}')
* root.first.first.raws //=> { before: '\n ', between: ':' }
* ```
*/
raws: any
/**
* @param defaults Value for node properties.
*/
constructor(defaults?: object)
/**
* Returns a `CssSyntaxError` instance containing the original position
* of the node in the source, showing line and column numbers and also
* a small excerpt to facilitate debugging.
*
* If present, an input source map will be used to get the original position
* of the source, even from a previous compilation step
* (e.g., from Sass compilation).
*
* This method produces very useful error messages.
*
* ```js
* if (!variables[name]) {
* throw decl.error(`Unknown variable ${name}`, { word: name })
* // CssSyntaxError: postcss-vars:a.sass:4:3: Unknown variable $black
* // color: $black
* // a
* // ^
* // background: white
* }
* ```
*
* @param message Error description.
* @param opts Options.
*
* @return Error object to throw it.
*/
error(message: string, options?: NodeErrorOptions): CssSyntaxError
/**
* This method is provided as a convenience wrapper for `Result#warn`.
*
* ```js
* Declaration: {
* bad: (decl, { result }) => {
* decl.warn(result, 'Deprecated property bad')
* }
* }
* ```
*
* @param result The `Result` instance that will receive the warning.
* @param text Warning message.
* @param opts Warning Options.
*
* @return Created warning object.
*/
warn(result: Result, text: string, opts?: WarningOptions): void
/**
* Removes the node from its parent and cleans the parent properties
* from the node and its children.
*
* ```js
* if (decl.prop.match(/^-webkit-/)) {
* decl.remove()
* }
* ```
*
* @return Node to make calls chain.
*/
remove(): this
/**
* Returns a CSS string representing the node.
*
* ```js
* new Rule({ selector: 'a' }).toString() //=> "a {}"
* ```
*
* @param stringifier A syntax to use in string generation.
* @return CSS string of this node.
*/
toString(stringifier?: Stringifier | Syntax): string
/**
* Assigns properties to the current node.
*
* ```js
* decl.assign({ prop: 'word-wrap', value: 'break-word' })
* ```
*
* @param overrides New properties to override the node.
* @return Current node to methods chain.
*/
assign(overrides: object): this
/**
* Returns an exact clone of the node.
*
* The resulting cloned node and its (cloned) children will retain
* code style properties.
*
* ```js
* decl.raws.before //=> "\n "
* const cloned = decl.clone({ prop: '-moz-' + decl.prop })
* cloned.raws.before //=> "\n "
* cloned.toString() //=> -moz-transform: scale(0)
* ```
*
* @param overrides New properties to override in the clone.
* @return Clone of the node.
*/
clone(overrides?: object): this
/**
* Shortcut to clone the node and insert the resulting cloned node
* before the current node.
*
* ```js
* decl.cloneBefore({ prop: '-moz-' + decl.prop })
* ```
*
* @param overrides Mew properties to override in the clone.
*
* @return New node
*/
cloneBefore(overrides?: object): this
/**
* Shortcut to clone the node and insert the resulting cloned node
* after the current node.
*
* @param overrides New properties to override in the clone.
* @return New node.
*/
cloneAfter(overrides?: object): this
/**
* Inserts node(s) before the current node and removes the current node.
*
* ```js
* AtRule: {
* mixin: atrule => {
* atrule.replaceWith(mixinRules[atrule.params])
* }
* }
* ```
*
* @param nodes Mode(s) to replace current one.
* @return Current node to methods chain.
*/
replaceWith(
...nodes: (ChildNode | ChildProps | ChildNode[] | ChildProps[])[]
): this
/**
* Returns the next child of the node’s parent.
* Returns `undefined` if the current node is the last child.
*
* ```js
* if (comment.text === 'delete next') {
* const next = comment.next()
* if (next) {
* next.remove()
* }
* }
* ```
*
* @return Next node.
*/
next(): ChildNode | undefined
/**
* Returns the previous child of the node’s parent.
* Returns `undefined` if the current node is the first child.
*
* ```js
* const annotation = decl.prev()
* if (annotation.type === 'comment') {
* readAnnotation(annotation.text)
* }
* ```
*
* @return Previous node.
*/
prev(): ChildNode | undefined
/**
* Insert new node before current node to current node’s parent.
*
* Just alias for `node.parent.insertBefore(node, add)`.
*
* ```js
* decl.before('content: ""')
* ```
*
* @param newNode New node.
* @return This node for methods chain.
*/
before(newNode: Node | ChildProps | string | Node[]): this
/**
* Insert new node after current node to current node’s parent.
*
* Just alias for `node.parent.insertAfter(node, add)`.
*
* ```js
* decl.after('color: black')
* ```
*
* @param newNode New node.
* @return This node for methods chain.
*/
after(newNode: Node | ChildProps | string | Node[]): this
/**
* Finds the Root instance of the node’s tree.
*
* ```js
* root.nodes[0].nodes[0].root() === root
* ```
*
* @return Root parent.
*/
root(): Root
/**
* Returns a `Node#raws` value. If the node is missing
* the code style property (because the node was manually built or cloned),
* PostCSS will try to autodetect the code style property by looking
* at other nodes in the tree.
*
* ```js
* const root = postcss.parse('a { background: white }')
* root.nodes[0].append({ prop: 'color', value: 'black' })
* root.nodes[0].nodes[1].raws.before //=> undefined
* root.nodes[0].nodes[1].raw('before') //=> ' '
* ```
*
* @param prop Name of code style property.
* @param defaultType Name of default value, it can be missed
* if the value is the same as prop.
* @return {string} Code style value.
*/
raw(prop: string, defaultType?: string): string
/**
* Clear the code style properties for the node and its children.
*
* ```js
* node.raws.before //=> ' '
* node.cleanRaws()
* node.raws.before //=> undefined
* ```
*
* @param keepBetween Keep the `raws.between` symbols.
*/
cleanRaws(keepBetween?: boolean): void
/**
* Fix circular links on `JSON.stringify()`.
*
* @return Cleaned object.
*/
toJSON(): object
/**
* Convert string index to line/column.
*
* @param index The symbol number in the node’s string.
* @return Symbol position in file.
*/
positionInside(index: number): Position
/**
* Get the position for a word or an index inside the node.
*
* @param opts Options.
* @return Position.
*/
positionBy(opts?: Pick<WarningOptions, 'word' | 'index'>): Position
/**
* Get the range for a word or start and end index inside the node.
* The start index is inclusive; the end index is exclusive.
*
* @param opts Options.
* @return Range.
*/
rangeBy(opts?: Pick<WarningOptions, 'word' | 'index' | 'endIndex'>): Range
}