ant-design/components/theme/util/genComponentStyleHook.ts

/* eslint-disable no-redeclare */
import { useContext, type ComponentType } from 'react';
import type { CSSInterpolation } from '@ant-design/cssinjs';
import { useStyleRegister } from '@ant-design/cssinjs';
import { warning } from 'rc-util';

import { ConfigContext } from '../../config-provider/context';
import { genCommonStyle, genLinkStyle } from '../../style';
import type {
  ComponentTokenMap,
  GlobalToken,
  OverrideToken,
  UseComponentStyleResult,
} from '../interface';
import useToken from '../useToken';
import statisticToken, { merge as mergeToken } from './statistic';
import useResetIconStyle from './useResetIconStyle';

export type OverrideTokenWithoutDerivative = ComponentTokenMap;
export type OverrideComponent = keyof OverrideTokenWithoutDerivative;
export type GlobalTokenWithComponent<ComponentName extends OverrideComponent> = GlobalToken &
  ComponentTokenMap[ComponentName];

type ComponentToken<ComponentName extends OverrideComponent> = Exclude<
  OverrideToken[ComponentName],
  undefined
>;
type ComponentTokenKey<ComponentName extends OverrideComponent> =
  keyof ComponentToken<ComponentName>;

export interface StyleInfo<ComponentName extends OverrideComponent> {
  hashId: string;
  prefixCls: string;
  rootPrefixCls: string;
  iconPrefixCls: string;
  overrideComponentToken: ComponentTokenMap[ComponentName];
}

export type TokenWithCommonCls<T> = T & {
  /** Wrap component class with `.` prefix */
  componentCls: string;
  /** Origin prefix which do not have `.` prefix */
  prefixCls: string;
  /** Wrap icon class with `.` prefix */
  iconCls: string;
  /** Wrap ant prefixCls class with `.` prefix */
  antCls: string;
};
export type FullToken<ComponentName extends OverrideComponent> = TokenWithCommonCls<
  GlobalTokenWithComponent<ComponentName>
>;

export type GenStyleFn<ComponentName extends OverrideComponent> = (
  token: FullToken<ComponentName>,
  info: StyleInfo<ComponentName>,
) => CSSInterpolation;

export default function genComponentStyleHook<ComponentName extends OverrideComponent>(
  componentName: ComponentName | [ComponentName, string],
  styleFn: GenStyleFn<ComponentName>,
  getDefaultToken?:
    | null
    | OverrideTokenWithoutDerivative[ComponentName]
    | ((token: GlobalToken) => OverrideTokenWithoutDerivative[ComponentName]),
  options: {
    resetStyle?: boolean;
    // Deprecated token key map [["oldTokenKey", "newTokenKey"], ["oldTokenKey", "newTokenKey"]]
    deprecatedTokens?: [ComponentTokenKey<ComponentName>, ComponentTokenKey<ComponentName>][];
    /**
     * Only use component style in client side. Ignore in SSR.
     */
    clientOnly?: boolean;
    /**
     * Set order of component style. Default is -999.
     */
    order?: number;
  } = {},
) {
  const cells = (Array.isArray(componentName) ? componentName : [componentName, componentName]) as [
    ComponentName,
    string,
  ];

  const [component] = cells;
  const concatComponent = cells.join('-');

  return (prefixCls: string): UseComponentStyleResult => {
    const [theme, token, hashId] = useToken();
    const { getPrefixCls, iconPrefixCls, csp } = useContext(ConfigContext);
    const rootPrefixCls = getPrefixCls();

    // Shared config
    const sharedConfig: Omit<Parameters<typeof useStyleRegister>[0], 'path'> = {
      theme,
      token,
      hashId,
      nonce: () => csp?.nonce!,
      clientOnly: options.clientOnly,

      // antd is always at top of styles
      order: options.order || -999,
    };

    // Generate style for all a tags in antd component.
    useStyleRegister(
      { ...sharedConfig, clientOnly: false, path: ['Shared', rootPrefixCls] },
      () => [
        {
          // Link
          '&': genLinkStyle(token),
        },
      ],
    );

    // Generate style for icons
    useResetIconStyle(iconPrefixCls, csp);

    return [
      useStyleRegister(
        { ...sharedConfig, path: [concatComponent, prefixCls, iconPrefixCls] },
        () => {
          const { token: proxyToken, flush } = statisticToken(token);

          const customComponentToken = { ...(token[component] as ComponentToken<ComponentName>) };
          if (options.deprecatedTokens) {
            const { deprecatedTokens } = options;
            deprecatedTokens.forEach(([oldTokenKey, newTokenKey]) => {
              if (process.env.NODE_ENV !== 'production') {
                warning(
                  !customComponentToken?.[oldTokenKey],
                  `The token '${String(oldTokenKey)}' of ${component} had deprecated, use '${String(
                    newTokenKey,
                  )}' instead.`,
                );
              }

              // Should wrap with `if` clause, or there will be `undefined` in object.
              if (customComponentToken?.[oldTokenKey] || customComponentToken?.[newTokenKey]) {
                customComponentToken[newTokenKey] ??= customComponentToken?.[oldTokenKey];
              }
            });
          }
          const defaultComponentToken =
            typeof getDefaultToken === 'function'
              ? getDefaultToken(mergeToken(proxyToken, customComponentToken ?? {}))
              : getDefaultToken;

          const mergedComponentToken = { ...defaultComponentToken, ...customComponentToken };

          const componentCls = `.${prefixCls}`;
          const mergedToken = mergeToken<
            TokenWithCommonCls<GlobalTokenWithComponent<OverrideComponent>>
          >(
            proxyToken,
            {
              componentCls,
              prefixCls,
              iconCls: `.${iconPrefixCls}`,
              antCls: `.${rootPrefixCls}`,
            },
            mergedComponentToken,
          );

          const styleInterpolation = styleFn(mergedToken as unknown as FullToken<ComponentName>, {
            hashId,
            prefixCls,
            rootPrefixCls,
            iconPrefixCls,
            overrideComponentToken: customComponentToken as any,
          });
          flush(component, mergedComponentToken);
          return [
            options.resetStyle === false ? null : genCommonStyle(mergedToken, prefixCls),
            styleInterpolation,
          ];
        },
      ),
      hashId,
    ];
  };
}

export interface SubStyleComponentProps {
  prefixCls: string;
}

// Get from second argument
type RestParameters<T extends any[]> = T extends [any, ...infer Rest] ? Rest : never;

export const genSubStyleComponent: <ComponentName extends OverrideComponent>(
  componentName: [ComponentName, string],
  ...args: RestParameters<Parameters<typeof genComponentStyleHook<ComponentName>>>
) => ComponentType<SubStyleComponentProps> = (componentName, styleFn, getDefaultToken, options) => {
  const useStyle = genComponentStyleHook(componentName, styleFn, getDefaultToken, {
    resetStyle: false,

    // Sub Style should default after root one
    order: -998,
    ...options,
  });

  const StyledComponent: ComponentType<SubStyleComponentProps> = ({
    prefixCls,
  }: SubStyleComponentProps) => {
    useStyle(prefixCls);
    return null;
  };

  if (process.env.NODE_ENV !== 'production') {
    StyledComponent.displayName = `SubStyle_${
      Array.isArray(componentName) ? componentName.join('.') : componentName
    }`;
  }

  return StyledComponent;
};