forked from rDrama/rDrama
173 lines
4.1 KiB
TypeScript
173 lines
4.1 KiB
TypeScript
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declare namespace postcssValueParser {
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interface BaseNode {
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/**
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* The offset inside the CSS value at which the node starts
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*/
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sourceIndex: number;
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/**
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* The node's characteristic value
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*/
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value: string;
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}
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interface ClosableNode {
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/**
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* Whether the parsed CSS value ended before the node was properly closed
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*/
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unclosed?: true;
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}
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interface AdjacentAwareNode {
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/**
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* The token at the start of the node
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*/
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before: string;
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/**
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* The token at the end of the node
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*/
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after: string;
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}
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interface CommentNode extends BaseNode, ClosableNode {
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type: "comment";
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}
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interface DivNode extends BaseNode, AdjacentAwareNode {
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type: "div";
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}
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interface FunctionNode extends BaseNode, ClosableNode, AdjacentAwareNode {
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type: "function";
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/**
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* Nodes inside the function
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*/
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nodes: Node[];
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}
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interface SpaceNode extends BaseNode {
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type: "space";
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}
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interface StringNode extends BaseNode, ClosableNode {
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type: "string";
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/**
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* The quote type delimiting the string
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*/
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quote: '"' | "'";
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}
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interface UnicodeRangeNode extends BaseNode {
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type: "unicode-range";
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}
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interface WordNode extends BaseNode {
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type: "word";
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}
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/**
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* Any node parsed from a CSS value
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*/
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type Node =
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| CommentNode
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| DivNode
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| FunctionNode
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| SpaceNode
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| StringNode
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| UnicodeRangeNode
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| WordNode;
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interface CustomStringifierCallback {
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/**
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* @param node The node to stringify
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* @returns The serialized CSS representation of the node
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*/
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(nodes: Node): string | undefined;
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}
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interface WalkCallback {
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/**
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* @param node The currently visited node
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* @param index The index of the node in the series of parsed nodes
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* @param nodes The series of parsed nodes
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* @returns Returning `false` will prevent traversal of descendant nodes (only applies if `bubble` was set to `true` in the `walk()` call)
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*/
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(node: Node, index: number, nodes: Node[]): void | boolean;
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}
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/**
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* A CSS dimension, decomposed into its numeric and unit parts
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*/
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interface Dimension {
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number: string;
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unit: string;
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}
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/**
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* A wrapper around a parsed CSS value that allows for inspecting and walking nodes
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*/
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interface ParsedValue {
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/**
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* The series of parsed nodes
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*/
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nodes: Node[];
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/**
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* Walk all parsed nodes, applying a callback
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*
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* @param callback A visitor callback that will be executed for each node
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* @param bubble When set to `true`, walking will be done inside-out instead of outside-in
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*/
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walk(callback: WalkCallback, bubble?: boolean): this;
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}
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interface ValueParser {
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/**
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* Decompose a CSS dimension into its numeric and unit part
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*
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* @param value The dimension to decompose
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* @returns An object representing `number` and `unit` part of the dimension or `false` if the decomposing fails
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*/
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unit(value: string): Dimension | false;
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/**
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* Serialize a series of nodes into a CSS value
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*
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* @param nodes The nodes to stringify
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* @param custom A custom stringifier callback
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* @returns The generated CSS value
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*/
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stringify(nodes: Node | Node[], custom?: CustomStringifierCallback): string;
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/**
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* Walk a series of nodes, applying a callback
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*
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* @param nodes The nodes to walk
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* @param callback A visitor callback that will be executed for each node
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* @param bubble When set to `true`, walking will be done inside-out instead of outside-in
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*/
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walk(nodes: Node[], callback: WalkCallback, bubble?: boolean): void;
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/**
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* Parse a CSS value into a series of nodes to operate on
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*
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* @param value The value to parse
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*/
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new (value: string): ParsedValue;
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/**
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* Parse a CSS value into a series of nodes to operate on
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*
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* @param value The value to parse
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*/
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(value: string): ParsedValue;
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}
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}
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declare const postcssValueParser: postcssValueParser.ValueParser;
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export = postcssValueParser;
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