{"ast":null,"code":"import React from 'react';\nimport { useToken } from '../theme/internal';\nexport const responsiveArray = ['xxl', 'xl', 'lg', 'md', 'sm', 'xs'];\nconst getResponsiveMap = token => ({\n  xs: `(max-width: ${token.screenXSMax}px)`,\n  sm: `(min-width: ${token.screenSM}px)`,\n  md: `(min-width: ${token.screenMD}px)`,\n  lg: `(min-width: ${token.screenLG}px)`,\n  xl: `(min-width: ${token.screenXL}px)`,\n  xxl: `(min-width: ${token.screenXXL}px)`\n});\n/**\n * Ensures that the breakpoints token are valid, in good order\n * For each breakpoint : screenMin <= screen <= screenMax and screenMax <= nextScreenMin\n */\nconst validateBreakpoints = token => {\n  const indexableToken = token;\n  const revBreakpoints = [].concat(responsiveArray).reverse();\n  revBreakpoints.forEach((breakpoint, i) => {\n    const breakpointUpper = breakpoint.toUpperCase();\n    const screenMin = `screen${breakpointUpper}Min`;\n    const screen = `screen${breakpointUpper}`;\n    if (!(indexableToken[screenMin] <= indexableToken[screen])) {\n      throw new Error(`${screenMin}<=${screen} fails : !(${indexableToken[screenMin]}<=${indexableToken[screen]})`);\n    }\n    if (i < revBreakpoints.length - 1) {\n      const screenMax = `screen${breakpointUpper}Max`;\n      if (!(indexableToken[screen] <= indexableToken[screenMax])) {\n        throw new Error(`${screen}<=${screenMax} fails : !(${indexableToken[screen]}<=${indexableToken[screenMax]})`);\n      }\n      const nextBreakpointUpperMin = revBreakpoints[i + 1].toUpperCase();\n      const nextScreenMin = `screen${nextBreakpointUpperMin}Min`;\n      if (!(indexableToken[screenMax] <= indexableToken[nextScreenMin])) {\n        throw new Error(`${screenMax}<=${nextScreenMin} fails : !(${indexableToken[screenMax]}<=${indexableToken[nextScreenMin]})`);\n      }\n    }\n  });\n  return token;\n};\nexport default function useResponsiveObserver() {\n  const [, token] = useToken();\n  const responsiveMap = getResponsiveMap(validateBreakpoints(token));\n  // To avoid repeat create instance, we add `useMemo` here.\n  return React.useMemo(() => {\n    const subscribers = new Map();\n    let subUid = -1;\n    let screens = {};\n    return {\n      matchHandlers: {},\n      dispatch(pointMap) {\n        screens = pointMap;\n        subscribers.forEach(func => func(screens));\n        return subscribers.size >= 1;\n      },\n      subscribe(func) {\n        if (!subscribers.size) this.register();\n        subUid += 1;\n        subscribers.set(subUid, func);\n        func(screens);\n        return subUid;\n      },\n      unsubscribe(paramToken) {\n        subscribers.delete(paramToken);\n        if (!subscribers.size) this.unregister();\n      },\n      unregister() {\n        Object.keys(responsiveMap).forEach(screen => {\n          const matchMediaQuery = responsiveMap[screen];\n          const handler = this.matchHandlers[matchMediaQuery];\n          handler === null || handler === void 0 ? void 0 : handler.mql.removeListener(handler === null || handler === void 0 ? void 0 : handler.listener);\n        });\n        subscribers.clear();\n      },\n      register() {\n        Object.keys(responsiveMap).forEach(screen => {\n          const matchMediaQuery = responsiveMap[screen];\n          const listener = _ref => {\n            let {\n              matches\n            } = _ref;\n            this.dispatch(Object.assign(Object.assign({}, screens), {\n              [screen]: matches\n            }));\n          };\n          const mql = window.matchMedia(matchMediaQuery);\n          mql.addListener(listener);\n          this.matchHandlers[matchMediaQuery] = {\n            mql,\n            listener\n          };\n          listener(mql);\n        });\n      },\n      responsiveMap\n    };\n  }, [token]);\n}\nexport const matchScreen = (screens, screenSizes) => {\n  if (screenSizes && typeof screenSizes === 'object') {\n    for (let i = 0; i < responsiveArray.length; i++) {\n      const breakpoint = responsiveArray[i];\n      if (screens[breakpoint] && screenSizes[breakpoint] !== undefined) {\n        return screenSizes[breakpoint];\n      }\n    }\n  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'../theme/internal';\nexport const responsiveArray = ['xxl', 'xl', 'lg', 'md', 'sm', 'xs'];\nconst getResponsiveMap = token => ({\n  xs: `(max-width: ${token.screenXSMax}px)`,\n  sm: `(min-width: ${token.screenSM}px)`,\n  md: `(min-width: ${token.screenMD}px)`,\n  lg: `(min-width: ${token.screenLG}px)`,\n  xl: `(min-width: ${token.screenXL}px)`,\n  xxl: `(min-width: ${token.screenXXL}px)`\n});\n/**\n * Ensures that the breakpoints token are valid, in good order\n * For each breakpoint : screenMin <= screen <= screenMax and screenMax <= nextScreenMin\n */\nconst validateBreakpoints = token => {\n  const indexableToken = token;\n  const revBreakpoints = [].concat(responsiveArray).reverse();\n  revBreakpoints.forEach((breakpoint, i) => {\n    const breakpointUpper = breakpoint.toUpperCase();\n    const screenMin = `screen${breakpointUpper}Min`;\n    const screen = `screen${breakpointUpper}`;\n    if (!(indexableToken[screenMin] <= indexableToken[screen])) {\n      throw new Error(`${screenMin}<=${screen} fails : !(${indexableToken[screenMin]}<=${indexableToken[screen]})`);\n    }\n    if (i < revBreakpoints.length - 1) {\n      const screenMax = `screen${breakpointUpper}Max`;\n      if (!(indexableToken[screen] <= indexableToken[screenMax])) {\n        throw new Error(`${screen}<=${screenMax} fails : !(${indexableToken[screen]}<=${indexableToken[screenMax]})`);\n      }\n      const nextBreakpointUpperMin = revBreakpoints[i + 1].toUpperCase();\n      const nextScreenMin = `screen${nextBreakpointUpperMin}Min`;\n      if (!(indexableToken[screenMax] <= indexableToken[nextScreenMin])) {\n        throw new Error(`${screenMax}<=${nextScreenMin} fails : !(${indexableToken[screenMax]}<=${indexableToken[nextScreenMin]})`);\n      }\n    }\n  });\n  return token;\n};\nexport default function useResponsiveObserver() {\n  const [, token] = useToken();\n  const responsiveMap = getResponsiveMap(validateBreakpoints(token));\n  // To avoid repeat create instance, we add `useMemo` here.\n  return React.useMemo(() => {\n    const subscribers = new Map();\n    let subUid = -1;\n    let screens = {};\n    return {\n      matchHandlers: {},\n      dispatch(pointMap) {\n        screens = pointMap;\n        subscribers.forEach(func => func(screens));\n        return subscribers.size >= 1;\n      },\n      subscribe(func) {\n        if (!subscribers.size) this.register();\n        subUid += 1;\n        subscribers.set(subUid, func);\n        func(screens);\n        return subUid;\n      },\n      unsubscribe(paramToken) {\n        subscribers.delete(paramToken);\n        if (!subscribers.size) this.unregister();\n      },\n      unregister() {\n        Object.keys(responsiveMap).forEach(screen => {\n          const matchMediaQuery = responsiveMap[screen];\n          const handler = this.matchHandlers[matchMediaQuery];\n          handler === null || handler === void 0 ? void 0 : handler.mql.removeListener(handler === null || handler === void 0 ? void 0 : handler.listener);\n        });\n        subscribers.clear();\n      },\n      register() {\n        Object.keys(responsiveMap).forEach(screen => {\n          const matchMediaQuery = responsiveMap[screen];\n          const listener = _ref => {\n            let {\n              matches\n            } = _ref;\n            this.dispatch(Object.assign(Object.assign({}, screens), {\n              [screen]: matches\n            }));\n          };\n          const mql = window.matchMedia(matchMediaQuery);\n          mql.addListener(listener);\n          this.matchHandlers[matchMediaQuery] = {\n            mql,\n            listener\n          };\n          listener(mql);\n        });\n      },\n      responsiveMap\n    };\n  }, [token]);\n}\nexport const matchScreen = (screens, screenSizes) => {\n  if (screenSizes && typeof screenSizes === 'object') {\n    for (let i = 0; i < responsiveArray.length; i++) {\n      const breakpoint = responsiveArray[i];\n      if (screens[breakpoint] && 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