@visactor/vchart/esm/theme/builtin/index.js

charts lib based @visactor/VGrammar

export * from "./light";

export * from "./dark";

import { isString } from "@visactor/vutils";

import { mergeTheme } from "../../util/theme/merge-theme";

import { lightTheme } from "./light";

import { preprocessTheme } from "../../util/theme/preprocess";

export const builtinThemes = {
    [lightTheme.name]: lightTheme
};

export const defaultThemeName = lightTheme.name;

export const themes = new Map(Object.keys(builtinThemes).map((key => [ key, builtinThemes[key] ])));

const transformedThemes = new Map(Object.keys(builtinThemes).map((key => [ key, preprocessTheme(builtinThemes[key]) ])));

export const hasThemeMerged = new Map(Object.keys(builtinThemes).map((key => [ key, key === defaultThemeName ])));

export const registerTheme = (name, theme) => {
    if (!name) return;
    const mergedTheme = getMergedTheme(theme);
    themes.set(name, mergedTheme), transformedThemes.set(name, preprocessTheme(mergedTheme)), 
    hasThemeMerged.set(name, !0);
};

export const getTheme = (name = defaultThemeName, transformed = !1) => (hasThemeMerged.has(name) && !hasThemeMerged.get(name) && registerTheme(name, themes.get(name)), 
transformed ? transformedThemes.get(name) : themes.get(name));

export const removeTheme = name => themes.delete(name) && transformedThemes.delete(name) && hasThemeMerged.delete(name);

export const themeExist = name => !!isString(name) && themes.has(name);

export const getMergedTheme = theme => {
    var _a;
    const baseThemeName = null !== (_a = theme.type) && void 0 !== _a ? _a : defaultThemeName, baseTheme = getTheme(baseThemeName);
    return mergeTheme({}, baseTheme, theme);
};
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