antd/es/config-provider/cssVariables.js

An enterprise-class UI design language and React components implementation

import { generate } from '@ant-design/colors';
import { FastColor } from '@ant-design/fast-color';
import canUseDom from "rc-util/es/Dom/canUseDom";
import { updateCSS } from "rc-util/es/Dom/dynamicCSS";
import warning from '../_util/warning';
const dynamicStyleMark = `-ant-${Date.now()}-${Math.random()}`;
export function getStyle(globalPrefixCls, theme) {
  const variables = {};
  const formatColor = (color, updater) => {
    let clone = color.clone();
    clone = (updater === null || updater === void 0 ? void 0 : updater(clone)) || clone;
    return clone.toRgbString();
  };
  const fillColor = (colorVal, type) => {
    const baseColor = new FastColor(colorVal);
    const colorPalettes = generate(baseColor.toRgbString());
    variables[`${type}-color`] = formatColor(baseColor);
    variables[`${type}-color-disabled`] = colorPalettes[1];
    variables[`${type}-color-hover`] = colorPalettes[4];
    variables[`${type}-color-active`] = colorPalettes[6];
    variables[`${type}-color-outline`] = baseColor.clone().setA(0.2).toRgbString();
    variables[`${type}-color-deprecated-bg`] = colorPalettes[0];
    variables[`${type}-color-deprecated-border`] = colorPalettes[2];
  };
  // ================ Primary Color ================
  if (theme.primaryColor) {
    fillColor(theme.primaryColor, 'primary');
    const primaryColor = new FastColor(theme.primaryColor);
    const primaryColors = generate(primaryColor.toRgbString());
    // Legacy - We should use semantic naming standard
    primaryColors.forEach((color, index) => {
      variables[`primary-${index + 1}`] = color;
    });
    // Deprecated
    variables['primary-color-deprecated-l-35'] = formatColor(primaryColor, c => c.lighten(35));
    variables['primary-color-deprecated-l-20'] = formatColor(primaryColor, c => c.lighten(20));
    variables['primary-color-deprecated-t-20'] = formatColor(primaryColor, c => c.tint(20));
    variables['primary-color-deprecated-t-50'] = formatColor(primaryColor, c => c.tint(50));
    variables['primary-color-deprecated-f-12'] = formatColor(primaryColor, c => c.setA(c.a * 0.12));
    const primaryActiveColor = new FastColor(primaryColors[0]);
    variables['primary-color-active-deprecated-f-30'] = formatColor(primaryActiveColor, c => c.setA(c.a * 0.3));
    variables['primary-color-active-deprecated-d-02'] = formatColor(primaryActiveColor, c => c.darken(2));
  }
  // ================ Success Color ================
  if (theme.successColor) {
    fillColor(theme.successColor, 'success');
  }
  // ================ Warning Color ================
  if (theme.warningColor) {
    fillColor(theme.warningColor, 'warning');
  }
  // ================= Error Color =================
  if (theme.errorColor) {
    fillColor(theme.errorColor, 'error');
  }
  // ================= Info Color ==================
  if (theme.infoColor) {
    fillColor(theme.infoColor, 'info');
  }
  // Convert to css variables
  const cssList = Object.keys(variables).map(key => `--${globalPrefixCls}-${key}: ${variables[key]};`);
  return `
  :root {
    ${cssList.join('\n')}
  }
  `.trim();
}
export function registerTheme(globalPrefixCls, theme) {
  const style = getStyle(globalPrefixCls, theme);
  if (canUseDom()) {
    updateCSS(style, `${dynamicStyleMark}-dynamic-theme`);
  } else {
    process.env.NODE_ENV !== "production" ? warning(false, 'ConfigProvider', 'SSR do not support dynamic theme with css variables.') : void 0;
  }
}