@cerberus-design/react/build/legacy/hooks/useRootColors.cjs.map

The Cerberus Design React component library.

{"version":3,"sources":["../../../src/hooks/useRootColors.ts"],"sourcesContent":["'use client'\n\nimport { useCallback, useEffect, useMemo, useReducer } from 'react'\n\n/**\n * This module provides a hook to get Cerberus colors from the document root.\n * @module useRootColors\n */\n\nexport interface RootColorsResult {\n  /**\n   * A record of Cerberus colors where the key is the token name provided and the value is the color hex.\n   */\n  colors: Record<string, string>\n  /**\n   * A function to refetch the Cerberus colors from the document root. Useful when you need the latest colors after a theme/mode change.\n   */\n  refetch: () => Promise<void>\n}\n\n/**\n * This hook returns a record of Cerberus colors from the document root.\n * This is useful when you are working with a component that uses the `<canvas>`\n * element.\n * @param colors - An array of Cerberus tokens to get from the document root (i.e. `['dataViz.diverging.50', 'dataViz.diverging.200']`).\n * @returns A record of Cerberus colors where the key is the token name provided and the value is the color hex.\n */\nexport function useRootColors(colors: string[] = []): RootColorsResult {\n  const [state, dispatch] = useReducer(rootColorsReducer, {})\n\n  const handleRefetch = useCallback(() => {\n    return new Promise<void>((resolve) => {\n      dispatch(formatColors(colors))\n      resolve()\n    })\n  }, [colors])\n\n  useEffect(() => {\n    if (Object.keys(state).length === colors.length) return\n    dispatch(formatColors(colors))\n  }, [colors, state])\n\n  // reducer is already memoized\n  return useMemo(\n    () => ({ colors: state, refetch: handleRefetch }),\n    [state, handleRefetch],\n  )\n}\n\nfunction formatColors(colors: string[]): Record<string, string> {\n  const rootStyles = getComputedStyle(document.body)\n  return colors.reduce(\n    (acc, color) => {\n      const formattedColor = color\n        .replace(/([a-z])([A-Z])/g, '$1-$2')\n        .toLowerCase()\n        .replaceAll('.', '-')\n      acc[color] = rootStyles\n        .getPropertyValue(`--cerberus-colors-${formattedColor}`)\n        .trim()\n      return acc\n    },\n    {} as Record<string, string>,\n  )\n}\n\nfunction rootColorsReducer(\n  state: Record<string, string>,\n  action: Record<string, string>,\n): Record<string, string> {\n  return { ...state, ...action }\n}\n"],"mappings":";;;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAEA,mBAA4D;AAyBrD,SAAS,cAAc,SAAmB,CAAC,GAAqB;AACrE,QAAM,CAAC,OAAO,QAAQ,QAAI,yBAAW,mBAAmB,CAAC,CAAC;AAE1D,QAAM,oBAAgB,0BAAY,MAAM;AACtC,WAAO,IAAI,QAAc,CAAC,YAAY;AACpC,eAAS,aAAa,MAAM,CAAC;AAC7B,cAAQ;AAAA,IACV,CAAC;AAAA,EACH,GAAG,CAAC,MAAM,CAAC;AAEX,8BAAU,MAAM;AACd,QAAI,OAAO,KAAK,KAAK,EAAE,WAAW,OAAO,OAAQ;AACjD,aAAS,aAAa,MAAM,CAAC;AAAA,EAC/B,GAAG,CAAC,QAAQ,KAAK,CAAC;AAGlB,aAAO;AAAA,IACL,OAAO,EAAE,QAAQ,OAAO,SAAS,cAAc;AAAA,IAC/C,CAAC,OAAO,aAAa;AAAA,EACvB;AACF;AAEA,SAAS,aAAa,QAA0C;AAC9D,QAAM,aAAa,iBAAiB,SAAS,IAAI;AACjD,SAAO,OAAO;AAAA,IACZ,CAAC,KAAK,UAAU;AACd,YAAM,iBAAiB,MACpB,QAAQ,mBAAmB,OAAO,EAClC,YAAY,EACZ,WAAW,KAAK,GAAG;AACtB,UAAI,KAAK,IAAI,WACV,iBAAiB,qBAAqB,cAAc,EAAE,EACtD,KAAK;AACR,aAAO;AAAA,IACT;AAAA,IACA,CAAC;AAAA,EACH;AACF;AAEA,SAAS,kBACP,OACA,QACwB;AACxB,SAAO,EAAE,GAAG,OAAO,GAAG,OAAO;AAC/B;","names":[]}