DefinitelyTyped/types/styletron-standard/index.d.ts

// Type definitions for styletron-standard 2.0
// Project: https://github.com/styletron/styletron
// Definitions by: Eric Taylor <https://github.com/erictaylor>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.9

import * as CSS from 'csstype';

export type Properties = CSS.Properties<string | number>;
export type FontFace = CSS.FontFace;
export interface KeyframesPercentageObject {
    [key: string]: Properties;
}

export type KeyframesObject = KeyframesPercentageObject & {
    from?: Properties;
    to?: Properties;
};

// Unrecognized properties are assumed to be media queries
// or pseudo selectors w/ nested style objects.
// See: https://github.com/styletron/styletron-standard
export type StyleObject = Properties &
    { [key in string]: Properties[keyof Properties] | StyleObject };

export interface StandardEngine {
    renderStyle(style: StyleObject): string;
    renderKeyframes(keyframes: KeyframesObject): string;
    renderFontFace(fontFace: FontFace): string;
}

export function driver(style: StyleObject, styletron: StandardEngine): string;

export function getInitialStyle(): StyleObject;

export function renderDeclarativeRules(
    style: StyleObject,
    styletrong: StandardEngine
): StyleObject;