@visactor/vchart/esm/util/style.js

charts lib based @visactor/VGrammar

import { degreeToRadian, isEmpty, isFunction } from "@visactor/vutils";

export function transformComponentStyle(cfg = {}) {
    const newConfig = Object.assign({}, cfg);
    if (isFunction(cfg.style) ? newConfig.style = (item, isSelected, index, allItems) => transformToGraphic(cfg.style(item, isSelected, index, allItems)) : isEmpty(cfg.style) || (newConfig.style = transformToGraphic(cfg.style)), 
    !isEmpty(cfg.state)) {
        const newStateStyle = {};
        Object.keys(cfg.state).forEach((key => {
            isFunction(cfg.state[key]) ? newStateStyle[key] = (item, isSelected, index, allItems) => transformToGraphic(cfg.state[key](item, isSelected, index, allItems)) : isEmpty(cfg.state[key]) || (newStateStyle[key] = transformToGraphic(cfg.state[key]));
        })), newConfig.state = newStateStyle;
    }
    return newConfig;
}

export function transformStateStyle(stateStyle) {
    if (isEmpty(stateStyle)) return null;
    const newStateStyle = {};
    return Object.keys(stateStyle).forEach((key => {
        isFunction(stateStyle[key]) ? newStateStyle[key] = (value, index, datum, data) => transformToGraphic(stateStyle[key](value, index, datum, data)) : isEmpty(stateStyle[key]) || (newStateStyle[key] = transformToGraphic(stateStyle[key]));
    })), newStateStyle;
}

export function transformAxisLabelStateStyle(stateStyle) {
    if (isEmpty(stateStyle)) return null;
    const newStateStyle = {};
    return Object.keys(stateStyle).forEach((key => {
        isFunction(stateStyle[key]) ? newStateStyle[key] = (datum, index, data, layer) => transformToGraphic(stateStyle[key](datum.rawValue, index, datum, data, layer)) : isEmpty(stateStyle[key]) || (newStateStyle[key] = transformToGraphic(stateStyle[key]));
    })), newStateStyle;
}

export function transformIndicatorStyle(style, datum) {
    if (isEmpty(style)) return null;
    const newStateStyle = {};
    return Object.keys(style).forEach((key => {
        isFunction(style[key]) ? newStateStyle[key] = style[key](datum) : newStateStyle[key] = style[key];
    })), transformToGraphic(newStateStyle);
}

export function transformToGraphic(style) {
    return (null == style ? void 0 : style.angle) && (style.angle = degreeToRadian(style.angle)), 
    style;
}
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