import * as mozilla from 'source-map';
/**
* @param plugins Can also be included with the Processor#use method.
* @returns A processor that will apply plugins as CSS processors.
*/
declare function postcss(plugins?: postcss.AcceptedPlugin[]): postcss.Processor;
declare function postcss(...plugins: postcss.AcceptedPlugin[]): postcss.Processor;
declare namespace postcss {
type AcceptedPlugin = Plugin<any> | Transformer | {
postcss: TransformCallback | Processor;
} | Processor;
/**
* Creates a PostCSS plugin with a standard API.
* @param name Plugin name. Same as in name property in package.json. It will
* be saved in plugin.postcssPlugin property.
* @param initializer Will receive plugin options and should return functions
* to modify nodes in input CSS.
*/
function plugin<T>(name: string, initializer: PluginInitializer<T>): Plugin<T>;
interface Plugin<T> extends Transformer {
(opts?: T): Transformer;
postcss: Transformer;
process: (css: string | {
toString(): string;
} | Result, opts?: any) => LazyResult;
}
interface Transformer extends TransformCallback {
postcssPlugin?: string;
postcssVersion?: string;
}
interface TransformCallback {
/**
* @returns Asynchronous plugins should return a promise.
*/
(root: Root, result?: Result): void | Function | any;
}
interface PluginInitializer<T> {
(pluginOptions?: T): Transformer;
}
/**
* Contains helpers for working with vendor prefixes.
*/
export namespace vendor {
/**
* @returns The vendor prefix extracted from the input string.
*/
function prefix(prop: string): string;
/**
* @returns The input string stripped of its vendor prefix.
*/
function unprefixed(prop: string): string;
}
export class Stringifier {
builder: Stringifier.Builder;
constructor(builder?: Stringifier.Builder);
stringify(node: Node, semicolon?: boolean): void;
root(node: any): void;
comment(node: any): void;
decl(node: any, semicolon: any): void;
rule(node: any): void;
atrule(node: any, semicolon: any): void;
body(node: any): void;
block(node: any, start: any): void;
raw(node: Node, own: string, detect?: string): any;
rawSemicolon(root: any): any;
rawEmptyBody(root: any): any;
rawIndent(root: any): any;
rawBeforeComment(root: any, node: any): any;
rawBeforeDecl(root: any, node: any): any;
rawBeforeRule(root: any): any;
rawBeforeClose(root: any): any;
rawBeforeOpen(root: any): any;
rawColon(root: any): any;
beforeAfter(node: any, detect: any): any;
rawValue(node: any, prop: any): any;
}
export namespace Stringifier {
interface Builder {
(str: string, node?: Node, str2?: string): void;
}
}
/**
* Default function to convert a node tree into a CSS string.
*/
function stringify(node: Node, builder: Stringifier.Builder): void;
/**
* Parses source CSS.
* @param css The CSS to parse.
* @param options
* @returns {} A new Root node, which contains the source CSS nodes.
*/
function parse(css: string | {
toString(): string;
} | LazyResult | Result, options?: {
from?: string;
map?: postcss.SourceMapOptions;
}): Root;
/**
* Contains helpers for safely splitting lists of CSS values, preserving
* parentheses and quotes.
*/
export namespace list {
/**
* Safely splits space-separated values (such as those for background,
* border-radius and other shorthand properties).
*/
function space(str: string): string[];
/**
* Safely splits comma-separated values (such as those for transition-* and
* background properties).
*/
function comma(str: string): string[];
}
/**
* Creates a new Comment node.
* @param defaults Properties for the new Comment node.
* @returns The new node.
*/
function comment(defaults?: CommentNewProps): Comment;
/**
* Creates a new AtRule node.
* @param defaults Properties for the new AtRule node.
* @returns The new node.
*/
function atRule(defaults?: AtRuleNewProps): AtRule;
/**
* Creates a new Declaration node.
* @param defaults Properties for the new Declaration node.
* @returns The new node.
*/
function decl(defaults?: DeclarationNewProps): Declaration;
/**
* Creates a new Rule node.
* @param defaults Properties for the new Rule node.
* @returns The new node.
*/
function rule(defaults?: RuleNewProps): Rule;
/**
* Creates a new Root node.
* @param defaults Properties for the new Root node.
* @returns The new node.
*/
function root(defaults?: object): Root;
interface SourceMapOptions {
/**
* Indicates that the source map should be embedded in the output CSS as a
* Base64-encoded comment. By default, it is true. But if all previous maps
* are external, not inline, PostCSS will not embed the map even if you do
* not set this option.
*
* If you have an inline source map, the result.map property will be empty,
* as the source map will be contained within the text of result.css.
*/
inline?: boolean;
/**
* Source map content from a previous processing step (e.g., Sass compilation).
* PostCSS will try to read the previous source map automatically (based on comments
* within the source CSS), but you can use this option to identify it manually.
* If desired, you can omit the previous map with prev: false.
*/
prev?: any;
/**
* Indicates that PostCSS should set the origin content (e.g., Sass source)
* of the source map. By default, it is true. But if all previous maps do not
* contain sources content, PostCSS will also leave it out even if you do not set
* this option.
*/
sourcesContent?: boolean;
/**
* Indicates that PostCSS should add annotation comments to the CSS. By default,
* PostCSS will always add a comment with a path to the source map. PostCSS will
* not add annotations to CSS files that do not contain any comments.
*
* By default, PostCSS presumes that you want to save the source map as
* opts.to + '.map' and will use this path in the annotation comment. A different
* path can be set by providing a string value for annotation.
*
* If you have set inline: true, annotation cannot be disabled.
*/
annotation?: boolean | string;
/**
* If true, PostCSS will try to correct any syntax errors that it finds in the CSS.
* This is useful for legacy code filled with hacks. Another use-case is interactive
* tools with live input — for example, the Autoprefixer demo.
*/
safe?: boolean;
}
/**
* A Processor instance contains plugins to process CSS. Create one
* Processor instance, initialize its plugins, and then use that instance
* on numerous CSS files.
*/
interface Processor {
/**
* Adds a plugin to be used as a CSS processor. Plugins can also be
* added by passing them as arguments when creating a postcss instance.
*/
use(plugin: AcceptedPlugin): Processor;
/**
* Parses source CSS. Because some plugins can be asynchronous it doesn't
* make any transformations. Transformations will be applied in LazyResult's
* methods.
* @param css Input CSS or any object with toString() method, like a file
* stream. If a Result instance is passed the processor will take the
* existing Root parser from it.
*/
process(css: string | {
toString(): string;
} | Result, options?: ProcessOptions): LazyResult;
/**
* Contains plugins added to this processor.
*/
plugins: Plugin<any>[];
/**
* Contains the current version of PostCSS (e.g., "4.0.5").
*/
version: string;
}
interface ProcessOptions extends Syntax {
/**
* The path of the CSS source file. You should always set from, because it is
* used in source map generation and syntax error messages.
*/
from?: string;
/**
* The path where you'll put the output CSS file. You should always set it
* to generate correct source maps.
*/
to?: string;
syntax?: Syntax;
/**
* Enable Safe Mode, in which PostCSS will try to fix CSS syntax errors.
*/
safe?: boolean;
map?: postcss.SourceMapOptions;
/**
* Function to generate AST by string.
*/
parser?: Parse | Syntax;
/**
* Class to generate string by AST.
*/
stringifier?: Stringify | Syntax;
}
interface Syntax {
/**
* Function to generate AST by string.
*/
parse?: Parse;
/**
* Class to generate string by AST.
*/
stringify?: Stringify;
}
interface Parse {
(css?: string, opts?: postcss.SourceMapOptions): Root;
}
interface Stringify {
(node?: postcss.Node, builder?: any): postcss.Result | void;
}
/**
* A promise proxy for the result of PostCSS transformations.
*/
interface LazyResult {
/**
* Processes input CSS through synchronous and asynchronous plugins.
* @param onRejected Called if any plugin throws an error.
*/
then(onFulfilled: (result: Result) => void, onRejected?: (error: Error) => void): Function | any;
/**
* Processes input CSS through synchronous and asynchronous plugins.
* @param onRejected Called if any plugin throws an error.
*/
catch(onRejected: (error: Error) => void): Function | any;
/**
* Alias for css property.
*/
toString(): string;
/**
* Processes input CSS through synchronous plugins and converts Root to
* CSS string. This property will only work with synchronous plugins. If
* the processor contains any asynchronous plugins it will throw an error.
* In this case, you should use LazyResult#then() instead.
* @returns Result#css.
*/
css: string;
/**
* Alias for css property to use when syntaxes generate non-CSS output.
*/
content: string;
/**
* Processes input CSS through synchronous plugins. This property will
* work only with synchronous plugins. If processor contains any
* asynchronous plugins it will throw an error. You should use
* LazyResult#then() instead.
*/
map: ResultMap;
/**
* Processes input CSS through synchronous plugins. This property will work
* only with synchronous plugins. If processor contains any asynchronous
* plugins it will throw an error. You should use LazyResult#then() instead.
*/
root: Root;
/**
* Processes input CSS through synchronous plugins and calls Result#warnings().
* This property will only work with synchronous plugins. If the processor
* contains any asynchronous plugins it will throw an error. In this case,
* you should use LazyResult#then() instead.
*/
warnings(): ResultMessage[];
/**
* Processes input CSS through synchronous plugins. This property will work
* only with synchronous plugins. If processor contains any asynchronous
* plugins it will throw an error. You should use LazyResult#then() instead.
*/
messages: ResultMessage[];
/**
* @returns A processor used for CSS transformations.
*/
processor: Processor;
/**
* @returns Options from the Processor#process(css, opts) call that produced
* this Result instance.
*/
opts: ResultOptions;
}
/**
* Provides the result of the PostCSS transformations.
*/
interface Result {
/**
* Alias for css property.
*/
toString(): string;
/**
* Creates an instance of Warning and adds it to messages.
* @param message Used in the text property of the message object.
* @param options Properties for Message object.
*/
warn(message: string, options?: WarningOptions): void;
/**
* @returns Warnings from plugins, filtered from messages.
*/
warnings(): ResultMessage[];
/**
* A CSS string representing this Result's Root instance.
*/
css: string;
/**
* Alias for css property to use with syntaxes that generate non-CSS output.
*/
content: string;
/**
* An instance of the SourceMapGenerator class from the source-map library,
* representing changes to the Result's Root instance.
* This property will have a value only if the user does not want an inline
* source map. By default, PostCSS generates inline source maps, written
* directly into the processed CSS. The map property will be empty by default.
* An external source map will be generated — and assigned to map — only if
* the user has set the map.inline option to false, or if PostCSS was passed
* an external input source map.
*/
map: ResultMap;
/**
* Contains the Root node after all transformations.
*/
root?: Root;
/**
* Contains messages from plugins (e.g., warnings or custom messages).
* Add a warning using Result#warn() and get all warnings
* using the Result#warnings() method.
*/
messages: ResultMessage[];
/**
* The Processor instance used for this transformation.
*/
processor?: Processor;
/**
* Options from the Processor#process(css, opts) or Root#toResult(opts) call
* that produced this Result instance.
*/
opts?: ResultOptions;
}
interface ResultOptions extends ProcessOptions {
/**
* The CSS node that was the source of the warning.
*/
node?: postcss.Node;
/**
* Name of plugin that created this warning. Result#warn() will fill it
* automatically with plugin.postcssPlugin value.
*/
plugin?: string;
}
interface ResultMap {
/**
* Add a single mapping from original source line and column to the generated
* source's line and column for this source map being created. The mapping
* object should have the following properties:
* @param mapping
* @returns {}
*/
addMapping(mapping: mozilla.Mapping): void;
/**
* Set the source content for an original source file.
* @param sourceFile The URL of the original source file.
* @param sourceContent The content of the source file.
*/
setSourceContent(sourceFile: string, sourceContent: string): void;
/**
* Applies a SourceMap for a source file to the SourceMap. Each mapping to
* the supplied source file is rewritten using the supplied SourceMap.
* Note: The resolution for the resulting mappings is the minimium of this
* map and the supplied map.
* @param sourceMapConsumer The SourceMap to be applied.
* @param sourceFile The filename of the source file. If omitted, sourceMapConsumer
* file will be used, if it exists. Otherwise an error will be thrown.
* @param sourceMapPath The dirname of the path to the SourceMap to be applied.
* If relative, it is relative to the SourceMap. This parameter is needed when
* the two SourceMaps aren't in the same directory, and the SourceMap to be
* applied contains relative source paths. If so, those relative source paths
* need to be rewritten relative to the SourceMap.
* If omitted, it is assumed that both SourceMaps are in the same directory;
* thus, not needing any rewriting (Supplying '.' has the same effect).
*/
applySourceMap(
sourceMapConsumer: mozilla.SourceMapConsumer,
sourceFile?: string,
sourceMapPath?: string
): void;
/**
* Renders the source map being generated to JSON.
*/
toJSON: () => mozilla.RawSourceMap;
/**
* Renders the source map being generated to a string.
*/
toString: () => string;
}
interface ResultMessage {
type: string;
text?: string;
plugin?: string;
browsers?: string[];
}
/**
* Represents a plugin warning. It can be created using Result#warn().
*/
interface Warning {
/**
* @returns Error position, message.
*/
toString(): string;
/**
* Contains the warning message.
*/
text: string;
/**
* Contains the name of the plugin that created this warning. When you
* call Result#warn(), it will fill this property automatically.
*/
plugin: string;
/**
* The CSS node that caused the warning.
*/
node: Node;
/**
* The line in the input file with this warning's source.
*/
line: number;
/**
* Column in the input file with this warning's source.
*/
column: number;
}
interface WarningOptions extends ResultOptions {
/**
* A word inside a node's string that should be highlighted as source
* of warning.
*/
word?: string;
/**
* The index inside a node's string that should be highlighted as
* source of warning.
*/
index?: number;
}
/**
* The CSS parser throws this error for broken CSS.
*/
interface CssSyntaxError extends InputOrigin {
name: string;
/**
* @returns Error position, message and source code of broken part.
*/
toString(): string;
/**
* @param color Whether arrow should be colored red by terminal color codes.
* By default, PostCSS will use process.stdout.isTTY and
* process.env.NODE_DISABLE_COLORS.
* @returns A few lines of CSS source that caused the error. If CSS has
* input source map without sourceContent this method will return an empty
* string.
*/
showSourceCode(color?: boolean): string;
/**
* Contains full error text in the GNU error format.
*/
message: string;
/**
* Contains only the error description.
*/
reason: string;
/**
* Contains the PostCSS plugin name if the error didn't come from the
* CSS parser.
*/
plugin?: string;
input?: InputOrigin;
}
interface InputOrigin {
/**
* If parser's from option is set, contains the absolute path to the
* broken file. PostCSS will use the input source map to detect the
* original error location. If you wrote a Sass file, then compiled it
* to CSS and parsed it with PostCSS, PostCSS will show the original
* position in the Sass file. If you need the position in the PostCSS
* input (e.g., to debug the previous compiler), use error.input.file.
*/
file?: string;
/**
* Contains the source line of the error. PostCSS will use the input
* source map to detect the original error location. If you wrote a Sass
* file, then compiled it to CSS and parsed it with PostCSS, PostCSS
* will show the original position in the Sass file. If you need the
* position in the PostCSS input (e.g., to debug the previous
* compiler), use error.input.line.
*/
line?: number;
/**
* Contains the source column of the error. PostCSS will use input
* source map to detect the original error location. If you wrote a
* Sass file, then compiled it to CSS and parsed it with PostCSS,
* PostCSS will show the original position in the Sass file. If you
* need the position in the PostCSS input (e.g., to debug the
* previous compiler), use error.input.column.
*/
column?: number;
/**
* Contains the source code of the broken file. PostCSS will use the
* input source map to detect the original error location. If you wrote
* a Sass file, then compiled it to CSS and parsed it with PostCSS,
* PostCSS will show the original position in the Sass file. If you need
* the position in the PostCSS input (e.g., to debug the previous
* compiler), use error.input.source.
*/
source?: string;
}
export class PreviousMap {
private inline;
annotation: string;
root: string;
private consumerCache;
text: string;
file: string;
constructor(css: any, opts: any);
consumer(): mozilla.SourceMapConsumer;
withContent(): boolean;
startWith(string: string, start: string): boolean;
loadAnnotation(css: string): void;
decodeInline(text: string): string;
loadMap(
file: any,
prev: string | Function | mozilla.SourceMapConsumer | mozilla.SourceMapGenerator | mozilla.RawSourceMap
): string;
isMap(map: any): boolean;
}
/**
* Represents the source CSS.
*/
interface Input {
/**
* The absolute path to the CSS source file defined with the "from" option.
*/
file: string;
/**
* The unique ID of the CSS source. Used if "from" option is not provided
* (because PostCSS does not know the file path).
*/
id: string;
/**
* The CSS source identifier. Contains input.file if the user set the
* "from" option, or input.id if they did not.
*/
from: string;
/**
* Represents the input source map passed from a compilation step before
* PostCSS (e.g., from the Sass compiler).
*/
map: PreviousMap;
/**
* Reads the input source map.
* @returns A symbol position in the input source (e.g., in a Sass file
* that was compiled to CSS before being passed to PostCSS):
*/
origin(line: number, column: number): InputOrigin;
}
type ChildNode = AtRule | Rule | Declaration | Comment;
type Node = Root | ChildNode;
interface NodeBase {
/**
* Returns 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.
*/
source: NodeSource;
/**
* Contains information to generate byte-to-byte equal node string as it
* was in origin input.
*/
raws: NodeRaws;
/**
* @returns A CSS string representing the node.
*/
toString(): string;
/**
* This method produces very useful error messages. 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).
* @returns The original position of the node in the source, showing line
* and column numbers and also a small excerpt to facilitate debugging.
*/
error(
/**
* Error description.
*/
message: string, options?: NodeErrorOptions): CssSyntaxError;
/**
* Creates an instance of Warning and adds it to messages. This method is
* provided as a convenience wrapper for Result#warn.
* Note that `opts.node` is automatically passed to Result#warn for you.
* @param result The result that will receive the warning.
* @param text Warning message. It will be used in the `text` property of
* the message object.
* @param opts Properties to assign to the message object.
*/
warn(result: Result, text: string, opts?: WarningOptions): void;
/**
* @returns The next child of the node's parent; or, returns undefined if
* the current node is the last child.
*/
next(): ChildNode | void;
/**
* @returns The previous child of the node's parent; or, returns undefined
* if the current node is the first child.
*/
prev(): ChildNode | void;
/**
* Insert new node before current node to current node’s parent.
*
* Just an alias for `node.parent.insertBefore(node, newNode)`.
*
* @returns this node for method chaining.
*
* @example
* decl.before('content: ""');
*/
before(newNode: Node | object | string | Node[]): this;
/**
* Insert new node after current node to current node’s parent.
*
* Just an alias for `node.parent.insertAfter(node, newNode)`.
*
* @returns this node for method chaining.
*
* @example
* decl.after('color: black');
*/
after(newNode: Node | object | string | Node[]): this;
/**
* @returns The Root instance of the node's tree.
*/
root(): Root;
/**
* Removes the node from its parent and cleans the parent property in the
* node and its children.
* @returns This node for chaining.
*/
remove(): this;
/**
* Inserts node(s) before the current node and removes the current node.
* @returns This node for chaining.
*/
replaceWith(...nodes: (Node | object)[]): this;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
/**
* Shortcut to clone the node and insert the resulting cloned node before
* the current node.
* @param overrides New Properties to override in the clone.
* @returns The cloned 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.
* @returns The cloned node.
*/
cloneAfter(overrides?: object): this;
/**
* @param prop Name or code style property.
* @param defaultType Name of default value. It can be easily missed if the
* value is the same as prop.
* @returns A code style property 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.
*/
raw(prop: string, defaultType?: string): any;
}
interface NodeNewProps {
source?: NodeSource;
raws?: NodeRaws;
}
interface NodeRaws {
/**
* The space symbols before the node. It also stores `*` and `_`
* symbols before the declaration (IE hack).
*/
before?: string;
/**
* The space symbols after the last child of the node to the end of
* the node.
*/
after?: string;
/**
* The symbols between the property and value for declarations,
* selector and "{" for rules, last parameter and "{" for at-rules.
*/
between?: string;
/**
* True if last child has (optional) semicolon.
*/
semicolon?: boolean;
/**
* The space between the at-rule's name and parameters.
*/
afterName?: string;
/**
* The space symbols between "/*" and comment's text.
*/
left?: string;
/**
* The space symbols between comment's text and "*\/".
*/
right?: string;
/**
* The content of important statement, if it is not just "!important".
*/
important?: string;
}
interface NodeSource {
input: Input;
/**
* The starting position of the node's source.
*/
start?: {
column: number;
line: number;
};
/**
* The ending position of the node's source.
*/
end?: {
column: number;
line: number;
};
}
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;
}
interface JsonNode {
/**
* Returns a string representing the node's type. Possible values are
* root, atrule, rule, decl or comment.
*/
type?: string;
/**
* Returns the node's parent node.
*/
parent?: JsonContainer;
/**
* Returns 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.
*/
source?: NodeSource;
/**
* Contains information to generate byte-to-byte equal node string as it
* was in origin input.
*/
raws?: NodeRaws;
}
type Container = Root | AtRule | Rule;
/**
* Containers can store any content. If you write a rule inside a rule,
* PostCSS will parse it.
*/
interface ContainerBase extends NodeBase {
/**
* Contains the container's children.
*/
nodes?: ChildNode[];
/**
* @returns The container's first child.
*/
first?: ChildNode;
/**
* @returns The container's last child.
*/
last?: ChildNode;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
/**
* @param child Child of the current container.
* @returns The child's index within the container's "nodes" array.
*/
index(child: ChildNode | number): number;
/**
* Determines whether all child nodes satisfy the specified test.
* @param callback A function that accepts up to three arguments. The
* every method calls the callback function for each node until the
* callback returns false, or until the end of the array.
* @returns True if the callback returns true for all of the container's
* children.
*/
every(callback: (node: ChildNode, index: number, nodes: ChildNode[]) => any, thisArg?: any): boolean;
/**
* Determines whether the specified callback returns true for any child node.
* @param callback A function that accepts up to three arguments. The some
* method calls the callback for each node until the callback returns true,
* or until the end of the array.
* @param thisArg An object to which the this keyword can refer in the
* callback function. If thisArg is omitted, undefined is used as the
* this value.
* @returns True if callback returns true for (at least) one of the
* container's children.
*/
some(callback: (node: ChildNode, index: number, nodes: ChildNode[]) => boolean, thisArg?: any): boolean;
/**
* Iterates through the container's immediate children, calling the
* callback function for each child. If you need to recursively iterate
* through all the container's descendant nodes, use container.walk().
* Unlike the for {} -cycle or Array#forEach() this iterator is safe if
* you are mutating the array of child nodes during iteration.
* @param callback Iterator. Returning false will break iteration. Safe
* if you are mutating the array of child nodes during iteration. PostCSS
* will adjust the current index to match the mutations.
* @returns False if the callback returns false during iteration.
*/
each(callback: (node: ChildNode, index: number) => any): boolean | void;
/**
* Traverses the container's descendant nodes, calling `callback` for each
* node. Like container.each(), this method is safe to use if you are
* mutating arrays during iteration. If you only need to iterate through
* the container's immediate children, use container.each().
* @param callback Iterator.
*/
walk(callback: (node: ChildNode, index: number) => any): boolean | void;
/**
* Traverses the container's descendant nodes, calling `callback` for each
* declaration. Like container.each(), this method is safe to use if you
* are mutating arrays during iteration.
* @param propFilter Filters declarations by property name. Only those
* declarations whose property matches propFilter will be iterated over.
* @param callback Called for each declaration node within the container.
*/
walkDecls(propFilter: string | RegExp, callback?: (decl: Declaration, index: number) => any): boolean | void;
walkDecls(callback: (decl: Declaration, index: number) => any): boolean | void;
/**
* Traverses the container's descendant nodes, calling `callback` for each
* at-rule. Like container.each(), this method is safe to use if you are
* mutating arrays during iteration.
* @param nameFilter Filters at-rules by name. If provided, iteration
* will only happen over at-rules that have matching names.
* @param callback Iterator called for each at-rule node within the
* container.
*/
walkAtRules(nameFilter: string | RegExp, callback: (atRule: AtRule, index: number) => any): boolean | void;
walkAtRules(callback: (atRule: AtRule, index: number) => any): boolean | void;
/**
* Traverses the container's descendant nodes, calling `callback` for each
* rule. Like container.each(), this method is safe to use if you are
* mutating arrays during iteration.
* @param selectorFilter Filters rules by selector. If provided,
* iteration will only happen over rules that have matching names.
* @param callback Iterator called for each rule node within the
* container.
*/
walkRules(selectorFilter: string | RegExp, callback: (atRule: Rule, index: number) => any): boolean | void;
walkRules(callback: (atRule: Rule, index: number) => any): boolean | void;
walkRules(selectorFilter: any, callback?: (atRule: Rule, index: number) => any): boolean | void;
/**
* Traverses the container's descendant nodes, calling `callback` for each
* comment. Like container.each(), this method is safe to use if you are
* mutating arrays during iteration.
* @param callback Iterator called for each comment node within the container.
*/
walkComments(callback: (comment: Comment, indexed: number) => any): void | boolean;
/**
* Passes all declaration values within the container that match pattern
* through the callback, replacing those values with the returned result of
* callback. This method is useful if you are using a custom unit or
* function and need to iterate through all values.
* @param pattern Pattern that we need to replace.
* @param options Options to speed up the search.
* @param callbackOrReplaceValue String to replace pattern or callback
* that will return a new value. The callback will receive the same
* arguments as those passed to a function parameter of String#replace.
*/
replaceValues(pattern: string | RegExp, options: {
/**
* Property names. The method will only search for values that match
* regexp within declarations of listed properties.
*/
props?: string[];
/**
* Used to narrow down values and speed up the regexp search. Searching
* every single value with a regexp can be slow. If you pass a fast
* string, PostCSS will first check whether the value contains the fast
* string; and only if it does will PostCSS check that value against
* regexp. For example, instead of just checking for /\d+rem/ on all
* values, set fast: 'rem' to first check whether a value has the rem
* unit, and only if it does perform the regexp check.
*/
fast?: string;
}, callbackOrReplaceValue: string | {
(substring: string, ...args: any[]): string;
}): this;
replaceValues(pattern: string | RegExp, callbackOrReplaceValue: string | {
(substring: string, ...args: any[]): string;
}): this;
/**
* Inserts new nodes to the beginning of the container.
* Because each node class is identifiable by unique properties, use the
* following shortcuts to create nodes in insert methods:
* root.prepend({ name: '@charset', params: '"UTF-8"' }); // at-rule
* root.prepend({ selector: 'a' }); // rule
* rule.prepend({ prop: 'color', value: 'black' }); // declaration
* rule.prepend({ text: 'Comment' }) // comment
* A string containing the CSS of the new element can also be used. This
* approach is slower than the above shortcuts.
* root.prepend('a {}');
* root.first.prepend('color: black; z-index: 1');
* @param nodes New nodes.
* @returns This container for chaining.
*/
prepend(...nodes: (Node | object | string)[]): this;
/**
* Inserts new nodes to the end of the container.
* Because each node class is identifiable by unique properties, use the
* following shortcuts to create nodes in insert methods:
* root.append({ name: '@charset', params: '"UTF-8"' }); // at-rule
* root.append({ selector: 'a' }); // rule
* rule.append({ prop: 'color', value: 'black' }); // declaration
* rule.append({ text: 'Comment' }) // comment
* A string containing the CSS of the new element can also be used. This
* approach is slower than the above shortcuts.
* root.append('a {}');
* root.first.append('color: black; z-index: 1');
* @param nodes New nodes.
* @returns This container for chaining.
*/
append(...nodes: (Node | object | string)[]): this;
/**
* Insert newNode before oldNode within the container.
* @param oldNode Child or child's index.
* @returns This container for chaining.
*/
insertBefore(oldNode: ChildNode | number, newNode: ChildNode | object | string): this;
/**
* Insert newNode after oldNode within the container.
* @param oldNode Child or child's index.
* @returns This container for chaining.
*/
insertAfter(oldNode: ChildNode | number, newNode: ChildNode | object | string): this;
/**
* Removes the container from its parent and cleans the parent property in the
* container and its children.
* @returns This container for chaining.
*/
remove(): this;
/**
* Removes child from the container and cleans the parent properties
* from the node and its children.
* @param child Child or child's index.
* @returns This container for chaining.
*/
removeChild(child: ChildNode | number): this;
/**
* Removes all children from the container and cleans their parent
* properties.
* @returns This container for chaining.
*/
removeAll(): this;
}
interface ContainerNewProps extends NodeNewProps {
/**
* Contains the container's children.
*/
nodes?: ChildNode[];
raws?: ContainerRaws;
}
interface ContainerRaws extends NodeRaws {
indent?: string;
}
interface JsonContainer extends JsonNode {
/**
* Contains the container's children.
*/
nodes?: ChildNode[];
/**
* @returns The container's first child.
*/
first?: ChildNode;
/**
* @returns The container's last child.
*/
last?: ChildNode;
}
/**
* Represents a CSS file and contains all its parsed nodes.
*/
interface Root extends ContainerBase {
type: 'root';
/**
* Inherited from Container. Should always be undefined for a Root node.
*/
parent: void;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
/**
* @returns A Result instance representing the root's CSS.
*/
toResult(options?: {
/**
* The path where you'll put the output CSS file. You should always
* set "to" to generate correct source maps.
*/
to?: string;
map?: SourceMapOptions;
}): Result;
/**
* Removes child from the root node, and the parent properties of node and
* its children.
* @param child Child or child's index.
* @returns This root node for chaining.
*/
removeChild(child: ChildNode | number): this;
}
interface RootNewProps extends ContainerNewProps {
}
interface JsonRoot extends JsonContainer {
}
/**
* Represents an at-rule. If it's followed in the CSS by a {} block, this
* node will have a nodes property representing its children.
*/
interface AtRule extends ContainerBase {
type: 'atrule';
/**
* Returns the atrule's parent node.
*/
parent: Container;
/**
* The identifier that immediately follows the @.
*/
name: string;
/**
* These are the values that follow the at-rule's name, but precede any {}
* block. The spec refers to this area as the at-rule's "prelude".
*/
params: string;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
}
interface AtRuleNewProps extends ContainerNewProps {
/**
* The identifier that immediately follows the @.
*/
name?: string;
/**
* These are the values that follow the at-rule's name, but precede any {}
* block. The spec refers to this area as the at-rule's "prelude".
*/
params?: string | number;
raws?: AtRuleRaws;
}
interface AtRuleRaws extends NodeRaws {
params?: string;
}
interface JsonAtRule extends JsonContainer {
/**
* The identifier that immediately follows the @.
*/
name?: string;
/**
* These are the values that follow the at-rule's name, but precede any {}
* block. The spec refers to this area as the at-rule's "prelude".
*/
params?: string;
}
/**
* Represents a CSS rule: a selector followed by a declaration block.
*/
interface Rule extends ContainerBase {
type: 'rule';
/**
* Returns the rule's parent node.
*/
parent: Container;
/**
* The rule's full selector. If there are multiple comma-separated selectors,
* the entire group will be included.
*/
selector: string;
/**
* An array containing the rule's individual selectors.
* Groups of selectors are split at commas.
*/
selectors?: string[];
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
}
interface RuleNewProps extends ContainerNewProps {
/**
* The rule's full selector. If there are multiple comma-separated selectors,
* the entire group will be included.
*/
selector?: string;
/**
* An array containing the rule's individual selectors. Groups of selectors
* are split at commas.
*/
selectors?: string[];
raws?: RuleRaws;
}
interface RuleRaws extends ContainerRaws {
/**
* The rule's full selector. If there are multiple comma-separated selectors,
* the entire group will be included.
*/
selector?: string;
}
interface JsonRule extends JsonContainer {
/**
* The rule's full selector. If there are multiple comma-separated selectors,
* the entire group will be included.
*/
selector?: string;
/**
* An array containing the rule's individual selectors.
* Groups of selectors are split at commas.
*/
selectors?: string[];
}
/**
* Represents a CSS declaration.
*/
interface Declaration extends NodeBase {
type: 'decl';
/**
* Returns the declaration's parent node.
*/
parent: Container;
/**
* The declaration's property name.
*/
prop: string;
/**
* The declaration's value. This value will be cleaned of comments. If the
* source value contained comments, those comments will be available in the
* _value.raws property. If you have not changed the value, the result of
* decl.toString() will include the original raws value (comments and all).
*/
value: string;
/**
* True if the declaration has an !important annotation.
*/
important: boolean;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
}
interface DeclarationNewProps {
/**
* The declaration's property name.
*/
prop?: string;
/**
* The declaration's value. This value will be cleaned of comments. If the
* source value contained comments, those comments will be available in the
* _value.raws property. If you have not changed the value, the result of
* decl.toString() will include the original raws value (comments and all).
*/
value?: string;
raws?: DeclarationRaws;
}
interface DeclarationRaws extends NodeRaws {
/**
* The declaration's value. This value will be cleaned of comments.
* If the source value contained comments, those comments will be
* available in the _value.raws property. If you have not changed the value, the result of
* decl.toString() will include the original raws value (comments and all).
*/
value?: string;
}
interface JsonDeclaration extends JsonNode {
/**
* True if the declaration has an !important annotation.
*/
important?: boolean;
}
/**
* Represents a comment between declarations or statements (rule and at-rules).
* Comments inside selectors, at-rule parameters, or declaration values will
* be stored in the Node#raws properties.
*/
interface Comment extends NodeBase {
type: 'comment';
/**
* Returns the comment's parent node.
*/
parent: Container;
/**
* The comment's text.
*/
text: string;
/**
* @param overrides New properties to override in the clone.
* @returns A clone of this node. The node and its (cloned) children will
* have a clean parent and code style properties.
*/
clone(overrides?: object): this;
}
interface CommentNewProps {
/**
* The comment's text.
*/
text?: string;
}
interface JsonComment extends JsonNode {
}
}
export = postcss;