vue hello world项目
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import { SourceMapGenerator, RawSourceMap } from 'source-map-js'
import Node, {
Position,
Source,
ChildNode,
NodeErrorOptions,
NodeProps,
ChildProps,
AnyNode
} from './node.js'
import Declaration, { DeclarationProps } from './declaration.js'
import Container, { ContainerProps } from './container.js'
import Document, { DocumentProps } from './document.js'
import Warning, { WarningOptions } from './warning.js'
import Comment, { CommentProps } from './comment.js'
import AtRule, { AtRuleProps } from './at-rule.js'
import Input, { FilePosition } from './input.js'
import Result, { Message } from './result.js'
import Root, { RootProps } from './root.js'
import Rule, { RuleProps } from './rule.js'
import CssSyntaxError from './css-syntax-error.js'
import list, { List } from './list.js'
import LazyResult from './lazy-result.js'
import Processor from './processor.js'
export {
NodeErrorOptions,
DeclarationProps,
CssSyntaxError,
ContainerProps,
WarningOptions,
DocumentProps,
FilePosition,
CommentProps,
AtRuleProps,
Declaration,
ChildProps,
LazyResult,
ChildNode,
NodeProps,
Processor,
RuleProps,
RootProps,
Container,
Position,
Document,
AnyNode,
Warning,
Message,
Comment,
Source,
AtRule,
Result,
Input,
Node,
list,
Rule,
Root
}
export type SourceMap = SourceMapGenerator & {
toJSON(): RawSourceMap
}
export type Helpers = { result: Result; postcss: Postcss } & Postcss
type DocumentProcessor = (
document: Document,
helper: Helpers
) => Promise<void> | void
type RootProcessor = (root: Root, helper: Helpers) => Promise<void> | void
type DeclarationProcessor = (
decl: Declaration,
helper: Helpers
) => Promise<void> | void
type RuleProcessor = (rule: Rule, helper: Helpers) => Promise<void> | void
type AtRuleProcessor = (atRule: AtRule, helper: Helpers) => Promise<void> | void
type CommentProcessor = (
comment: Comment,
helper: Helpers
) => Promise<void> | void
interface Processors {
/**
* Will be called on `Document` node.
*
* Will be called again on children changes.
*/
Document?: DocumentProcessor
/**
* Will be called on `Document` node, when all children will be processed.
*
* Will be called again on children changes.
*/
DocumentExit?: DocumentProcessor
/**
* Will be called on `Root` node once.
*/
Once?: RootProcessor
/**
* Will be called on `Root` node once, when all children will be processed.
*/
OnceExit?: RootProcessor
/**
* Will be called on `Root` node.
*
* Will be called again on children changes.
*/
Root?: RootProcessor
/**
* Will be called on `Root` node, when all children will be processed.
*
* Will be called again on children changes.
*/
RootExit?: RootProcessor
/**
* Will be called on all `Declaration` nodes after listeners
* for `Declaration` event.
*
* Will be called again on node or children changes.
*/
Declaration?: DeclarationProcessor | { [prop: string]: DeclarationProcessor }
/**
* Will be called on all `Declaration` nodes.
*
* Will be called again on node or children changes.
*/
DeclarationExit?:
| DeclarationProcessor
| { [prop: string]: DeclarationProcessor }
/**
* Will be called on all `Rule` nodes.
*
* Will be called again on node or children changes.
*/
Rule?: RuleProcessor
/**
* Will be called on all `Rule` nodes, when all children will be processed.
*
* Will be called again on node or children changes.
*/
RuleExit?: RuleProcessor
/**
* Will be called on all`AtRule` nodes.
*
* Will be called again on node or children changes.
*/
AtRule?: AtRuleProcessor | { [name: string]: AtRuleProcessor }
/**
* Will be called on all `AtRule` nodes, when all children will be processed.
*
* Will be called again on node or children changes.
*/
AtRuleExit?: AtRuleProcessor | { [name: string]: AtRuleProcessor }
/**
* Will be called on all `Comment` nodes.
*
* Will be called again on node or children changes.
*/
Comment?: CommentProcessor
/**
* Will be called on all `Comment` nodes after listeners
* for `Comment` event.
*
* Will be called again on node or children changes.
*/
CommentExit?: CommentProcessor
/**
* Will be called when all other listeners processed the document.
*
* This listener will not be called again.
*/
Exit?: RootProcessor
}
export interface Plugin extends Processors {
postcssPlugin: string
prepare?: (result: Result) => Processors
}
export interface PluginCreator<PluginOptions> {
(opts?: PluginOptions): Plugin | Processor
postcss: true
}
export interface Transformer extends TransformCallback {
postcssPlugin: string
postcssVersion: string
}
export interface TransformCallback {
(root: Root, result: Result): Promise<void> | void
}
export interface OldPlugin<T> extends Transformer {
(opts?: T): Transformer
postcss: Transformer
}
export type AcceptedPlugin =
| Plugin
| PluginCreator<any>
| OldPlugin<any>
| TransformCallback
| {
postcss: TransformCallback | Processor
}
| Processor
export interface Parser<RootNode = Root | Document> {
(
css: string | { toString(): string },
opts?: Pick<ProcessOptions, 'map' | 'from'>
): RootNode
}
export interface Builder {
(part: string, node?: AnyNode, type?: 'start' | 'end'): void
}
export interface Stringifier {
(node: AnyNode, builder: Builder): void
}
export interface JSONHydrator {
(data: object[]): Node[]
(data: object): Node
}
export interface Syntax {
/**
* Function to generate AST by string.
*/
parse?: Parser
/**
* Class to generate string by AST.
*/
stringify?: Stringifier
}
export 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).
*
* 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?: string | boolean | object | ((file: string) => string)
/**
* 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?: string | boolean | ((file: string, root: Root) => string)
/**
* Override `from` in map’s sources.
*/
from?: string
/**
* Use absolute path in generated source map.
*/
absolute?: boolean
}
export interface ProcessOptions {
/**
* 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 `to`
* to generate correct source maps.
*/
to?: string
/**
* Function to generate AST by string.
*/
parser?: Syntax | Parser
/**
* Class to generate string by AST.
*/
stringifier?: Syntax | Stringifier
/**
* Object with parse and stringify.
*/
syntax?: Syntax
/**
* Source map options
*/
map?: SourceMapOptions | boolean
}
export interface Postcss {
/**
* Create a new `Processor` instance that will apply `plugins`
* as CSS processors.
*
* ```js
* let postcss = require('postcss')
*
* postcss(plugins).process(css, { from, to }).then(result => {
* console.log(result.css)
* })
* ```
*
* @param plugins PostCSS plugins.
* @return Processor to process multiple CSS.
*/
(plugins?: AcceptedPlugin[]): Processor
(...plugins: AcceptedPlugin[]): Processor
/**
* Default function to convert a node tree into a CSS string.
*/
stringify: Stringifier
/**
* Parses source css and returns a new `Root` or `Document` node,
* which contains the source CSS nodes.
*
* ```js
* // Simple CSS concatenation with source map support
* const root1 = postcss.parse(css1, { from: file1 })
* const root2 = postcss.parse(css2, { from: file2 })
* root1.append(root2).toResult().css
* ```
*/
parse: Parser<Root>
/**
* Rehydrate a JSON AST (from `Node#toJSON`) back into the AST classes.
*
* ```js
* const json = root.toJSON()
* // save to file, send by network, etc
* const root2 = postcss.fromJSON(json)
* ```
*/
fromJSON: JSONHydrator
/**
* Contains the `list` module.
*/
list: List
/**
* Creates a new `Comment` node.
*
* @param defaults Properties for the new node.
* @return New comment node
*/
comment(defaults?: CommentProps): Comment
/**
* Creates a new `AtRule` node.
*
* @param defaults Properties for the new node.
* @return New at-rule node.
*/
atRule(defaults?: AtRuleProps): AtRule
/**
* Creates a new `Declaration` node.
*
* @param defaults Properties for the new node.
* @return New declaration node.
*/
decl(defaults?: DeclarationProps): Declaration
/**
* Creates a new `Rule` node.
*
* @param default Properties for the new node.
* @return New rule node.
*/
rule(defaults?: RuleProps): Rule
/**
* Creates a new `Root` node.
*
* @param defaults Properties for the new node.
* @return New root node.
*/
root(defaults?: RootProps): Root
/**
* Creates a new `Document` node.
*
* @param defaults Properties for the new node.
* @return New document node.
*/
document(defaults?: DocumentProps): Document
CssSyntaxError: typeof CssSyntaxError
Declaration: typeof Declaration
Container: typeof Container
Comment: typeof Comment
Warning: typeof Warning
AtRule: typeof AtRule
Result: typeof Result
Input: typeof Input
Rule: typeof Rule
Root: typeof Root
Node: typeof Node
}
export const stringify: Stringifier
export const parse: Parser<Root>
export const fromJSON: JSONHydrator
export const comment: Postcss['comment']
export const atRule: Postcss['atRule']
export const decl: Postcss['decl']
export const rule: Postcss['rule']
export const root: Postcss['root']
declare const postcss: Postcss
export default postcss