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62 lines
2.4 KiB
62 lines
2.4 KiB
2 years ago
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import type { FunctionNode, WordNode, Node } from 'postcss-value-parser';
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export declare function turnToRad(turn: number): number;
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export declare function degToRad(deg: number): number;
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export declare function gradToRad(grad: number): number;
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export declare function radToDeg(rad: number): number;
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export declare function gradToDeg(grad: number): number;
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export declare function turnToDeg(turn: number): number;
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declare const toRad: {
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turn: typeof turnToRad;
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deg: typeof degToRad;
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grad: typeof gradToRad;
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};
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declare const toDeg: {
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grad: typeof gradToDeg;
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turn: typeof turnToDeg;
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rad: typeof radToDeg;
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};
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export declare function filterOnlyWords(node: Node): boolean;
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/**
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* Try to compute a calculation from a Node.
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*
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* This validates that the calculation has a valid order which is:
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* - `{Number} {Operation} {Number} ...`
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*
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* Only basic arithmetic operations are allowed, and it has to be separate words
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* similarly to how CSS calc works:
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*
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* - `sin(3.14159 * 2)` -> is valid
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* - `sin(3.14159*2)` -> is not valid
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*
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*
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* @param {FunctionNode} nodes Nodes to be parsed
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* @param {Boolean} ignoreUnit Whether units are ignored or converted to radians
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* @return {FunctionNode} Returns the node, if it managed to calculate, it will
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* simplify inner nodes.
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* @see https://www.w3.org/TR/css-values-4/#trig-funcs
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*/
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export declare function computeCalculation(nodes: Node[], ignoreUnit?: boolean): Node[];
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export declare function functionNodeToWordNode(fn: FunctionNode): WordNode;
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/**
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* Formats a number that's intended to be put into CSS.
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*
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* Due to processing of Number(number.toFixed(decimals)) this will get
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* rid of ending zeroes, usually helping with the rounding which is the
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* intended effect.
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*
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* For example, converting 4.71238898038469 radians into deg leads to
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* 270.000000000669786 which is going to result as 270 unless a
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* precision of 10 is chosen.
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*
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* @param {Number} number Number to be formatted
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* @param {Number} decimals Precision of decimals, CSS doesn't usually handle further than 5.
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*/
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export declare function formatResultingNumber(number: number, decimals: number): string;
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export declare function parseNumber(value: string): false | {
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number: any;
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unit: string;
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};
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declare type validateNodeReturn = [WordNode, number] | undefined;
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export declare function validateNode(node: FunctionNode, parseUnit?: boolean): validateNodeReturn;
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export { toRad, toDeg };
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