styled-components
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Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress
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{"version":3,"file":"styled-components.cjs.js","sources":["../src/utils/interleave.js","../src/utils/isPlainObject.js","../src/utils/empties.js","../src/utils/isFunction.js","../src/utils/getComponentName.js","../src/utils/isStyledComponent.js","../src/constants.js","../src/utils/error.js","../src/utils/errors.js","../src/sheet/GroupedTag.js","../src/sheet/GroupIDAllocator.js","../src/sheet/Rehydration.js","../src/utils/nonce.js","../src/sheet/dom.js","../src/sheet/Tag.js","../src/sheet/Sheet.js","../src/utils/generateAlphabeticName.js","../src/utils/hash.js","../src/utils/isStaticRules.js","../src/models/ComponentStyle.js","../src/utils/stylis.js","../src/utils/stylisPluginInsertRule.js","../src/models/StyleSheetManager.js","../src/models/Keyframes.js","../src/utils/hyphenateStyleName.js","../src/utils/flatten.js","../src/utils/isStatelessFunction.js","../src/utils/addUnitIfNeeded.js","../src/constructors/css.js","../src/utils/checkDynamicCreation.js","../src/utils/determineTheme.js","../src/utils/escape.js","../src/utils/generateComponentId.js","../src/utils/isTag.js","../src/utils/mixinDeep.js","../src/models/ThemeProvider.js","../src/models/StyledComponent.js","../src/utils/generateDisplayName.js","../src/utils/joinStrings.js","../src/utils/createWarnTooManyClasses.js","../src/utils/domElements.js","../src/constructors/styled.js","../src/constructors/constructWithOptions.js","../src/models/GlobalStyle.js","../src/models/ServerStyleSheet.js","../src/secretInternals.js","../src/base.js","../src/constructors/createGlobalStyle.js","../src/constructors/keyframes.js","../src/hooks/useTheme.js","../src/hoc/withTheme.js"],"sourcesContent":["// @flow\nimport type { Interpolation } from '../types';\n\nexport default (\n strings: Array<string>,\n interpolations: Array<Interpolation>\n): Array<Interpolation> => {\n const result = [strings[0]];\n\n for (let i = 0, len = interpolations.length; i < len; i += 1) {\n result.push(interpolations[i], strings[i + 1]);\n }\n\n return result;\n};\n","// @flow\nimport { typeOf } from 'react-is';\n\nexport default (x: any): boolean =>\n x !== null &&\n typeof x === 'object' &&\n (x.toString ? x.toString() : Object.prototype.toString.call(x)) === '[object Object]' &&\n !typeOf(x);\n","// @flow\nexport const EMPTY_ARRAY = Object.freeze([]);\nexport const EMPTY_OBJECT = Object.freeze({});\n","// @flow\nexport default function isFunction(test: any): boolean %checks {\n return typeof test === 'function';\n}\n","// @flow\nimport type { IStyledComponent } from '../types';\n\nexport default function getComponentName(\n target: $PropertyType<IStyledComponent, 'target'>\n): string {\n return (\n (process.env.NODE_ENV !== 'production' ? typeof target === 'string' && target : false) ||\n // $FlowFixMe\n target.displayName ||\n // $FlowFixMe\n target.name ||\n 'Component'\n );\n}\n","// @flow\nexport default function isStyledComponent(target: any): boolean %checks {\n return target && typeof target.styledComponentId === 'string';\n}\n","// @flow\n\ndeclare var SC_DISABLE_SPEEDY: ?boolean;\ndeclare var __VERSION__: string;\n\nexport const SC_ATTR: string =\n (typeof process !== 'undefined' &&\n typeof process.env !== 'undefined' &&\n (process.env.REACT_APP_SC_ATTR || process.env.SC_ATTR)) ||\n 'data-styled';\n\nexport const SC_ATTR_ACTIVE = 'active';\nexport const SC_ATTR_VERSION = 'data-styled-version';\nexport const SC_VERSION = __VERSION__;\nexport const SPLITTER = '/*!sc*/\\n';\n\nexport const IS_BROWSER = typeof window !== 'undefined' && 'HTMLElement' in window;\n\nexport const DISABLE_SPEEDY = Boolean(\n typeof SC_DISABLE_SPEEDY === 'boolean'\n ? SC_DISABLE_SPEEDY\n : typeof process !== 'undefined' && typeof process.env !== 'undefined'\n ? typeof process.env.REACT_APP_SC_DISABLE_SPEEDY !== 'undefined' &&\n process.env.REACT_APP_SC_DISABLE_SPEEDY !== ''\n ? process.env.REACT_APP_SC_DISABLE_SPEEDY === 'false'\n ? false\n : process.env.REACT_APP_SC_DISABLE_SPEEDY\n : typeof process.env.SC_DISABLE_SPEEDY !== 'undefined' && process.env.SC_DISABLE_SPEEDY !== ''\n ? process.env.SC_DISABLE_SPEEDY === 'false'\n ? false\n : process.env.SC_DISABLE_SPEEDY\n : process.env.NODE_ENV !== 'production'\n : false\n);\n\n// Shared empty execution context when generating static styles\nexport const STATIC_EXECUTION_CONTEXT = {};\n","// @flow\nimport errorMap from './errors';\n\nconst ERRORS = process.env.NODE_ENV !== 'production' ? errorMap : {};\n\n/**\n * super basic version of sprintf\n */\nfunction format(...args) {\n let a = args[0];\n const b = [];\n\n for (let c = 1, len = args.length; c < len; c += 1) {\n b.push(args[c]);\n }\n\n b.forEach(d => {\n a = a.replace(/%[a-z]/, d);\n });\n\n return a;\n}\n\n/**\n * Create an error file out of errors.md for development and a simple web link to the full errors\n * in production mode.\n */\nexport default function throwStyledComponentsError(\n code: string | number,\n ...interpolations: Array<any>\n) {\n if (process.env.NODE_ENV === 'production') {\n throw new Error(\n `An error occurred. See https://git.io/JUIaE#${code} for more information.${\n interpolations.length > 0 ? ` Args: ${interpolations.join(', ')}` : ''\n }`\n );\n } else {\n throw new Error(format(ERRORS[code], ...interpolations).trim());\n }\n}\n","export default {\"1\":\"Cannot create styled-component for component: %s.\\n\\n\",\"2\":\"Can't collect styles once you've consumed a `ServerStyleSheet`'s styles! `ServerStyleSheet` is a one off instance for each server-side render cycle.\\n\\n- Are you trying to reuse it across renders?\\n- Are you accidentally calling collectStyles twice?\\n\\n\",\"3\":\"Streaming SSR is only supported in a Node.js environment; Please do not try to call this method in the browser.\\n\\n\",\"4\":\"The `StyleSheetManager` expects a valid target or sheet prop!\\n\\n- Does this error occur on the client and is your target falsy?\\n- Does this error occur on the server and is the sheet falsy?\\n\\n\",\"5\":\"The clone method cannot be used on the client!\\n\\n- Are you running in a client-like environment on the server?\\n- Are you trying to run SSR on the client?\\n\\n\",\"6\":\"Trying to insert a new style tag, but the given Node is unmounted!\\n\\n- Are you using a custom target that isn't mounted?\\n- Does your document not have a valid head element?\\n- Have you accidentally removed a style tag manually?\\n\\n\",\"7\":\"ThemeProvider: Please return an object from your \\\"theme\\\" prop function, e.g.\\n\\n```js\\ntheme={() => ({})}\\n```\\n\\n\",\"8\":\"ThemeProvider: Please make your \\\"theme\\\" prop an object.\\n\\n\",\"9\":\"Missing document `<head>`\\n\\n\",\"10\":\"Cannot find a StyleSheet instance. Usually this happens if there are multiple copies of styled-components loaded at once. Check out this issue for how to troubleshoot and fix the common cases where this situation can happen: https://github.com/styled-components/styled-components/issues/1941#issuecomment-417862021\\n\\n\",\"11\":\"_This error was replaced with a dev-time warning, it will be deleted for v4 final._ [createGlobalStyle] received children which will not be rendered. Please use the component without passing children elements.\\n\\n\",\"12\":\"It seems you are interpolating a keyframe declaration (%s) into an untagged string. This was supported in styled-components v3, but is not longer supported in v4 as keyframes are now injected on-demand. Please wrap your string in the css\\\\`\\\\` helper which ensures the styles are injected correctly. See https://www.styled-components.com/docs/api#css\\n\\n\",\"13\":\"%s is not a styled component and cannot be referred to via component selector. See https://www.styled-components.com/docs/advanced#referring-to-other-components for more details.\\n\\n\",\"14\":\"ThemeProvider: \\\"theme\\\" prop is required.\\n\\n\",\"15\":\"A stylis plugin has been supplied that is not named. We need a name for each plugin to be able to prevent styling collisions between different stylis configurations within the same app. Before you pass your plugin to `<StyleSheetManager stylisPlugins={[]}>`, please make sure each plugin is uniquely-named, e.g.\\n\\n```js\\nObject.defineProperty(importedPlugin, 'name', { value: 'some-unique-name' });\\n```\\n\\n\",\"16\":\"Reached the limit of how many styled components may be created at group %s.\\nYou may only create up to 1,073,741,824 components. If you're creating components dynamically,\\nas for instance in your render method then you may be running into this limitation.\\n\\n\",\"17\":\"CSSStyleSheet could not be found on HTMLStyleElement.\\nHas styled-components' style tag been unmounted or altered by another script?\\n\"};","// @flow\n/* eslint-disable no-use-before-define */\n\nimport type { GroupedTag, Tag } from './types';\nimport { SPLITTER } from '../constants';\nimport throwStyledError from '../utils/error';\n\n/** Create a GroupedTag with an underlying Tag implementation */\nexport const makeGroupedTag = (tag: Tag): GroupedTag => {\n return new DefaultGroupedTag(tag);\n};\n\nconst BASE_SIZE = 1 << 9;\n\nclass DefaultGroupedTag implements GroupedTag {\n groupSizes: Uint32Array;\n\n length: number;\n\n tag: Tag;\n\n constructor(tag: Tag) {\n this.groupSizes = new Uint32Array(BASE_SIZE);\n this.length = BASE_SIZE;\n this.tag = tag;\n }\n\n indexOfGroup(group: number): number {\n let index = 0;\n for (let i = 0; i < group; i++) {\n index += this.groupSizes[i];\n }\n\n return index;\n }\n\n insertRules(group: number, rules: string[]): void {\n if (group >= this.groupSizes.length) {\n const oldBuffer = this.groupSizes;\n const oldSize = oldBuffer.length;\n\n let newSize = oldSize;\n while (group >= newSize) {\n newSize <<= 1;\n if (newSize < 0) {\n throwStyledError(16, `${group}`);\n }\n }\n\n this.groupSizes = new Uint32Array(newSize);\n this.groupSizes.set(oldBuffer);\n this.length = newSize;\n\n for (let i = oldSize; i < newSize; i++) {\n this.groupSizes[i] = 0;\n }\n }\n\n let ruleIndex = this.indexOfGroup(group + 1);\n for (let i = 0, l = rules.length; i < l; i++) {\n if (this.tag.insertRule(ruleIndex, rules[i])) {\n this.groupSizes[group]++;\n ruleIndex++;\n }\n }\n }\n\n clearGroup(group: number): void {\n if (group < this.length) {\n const length = this.groupSizes[group];\n const startIndex = this.indexOfGroup(group);\n const endIndex = startIndex + length;\n\n this.groupSizes[group] = 0;\n\n for (let i = startIndex; i < endIndex; i++) {\n this.tag.deleteRule(startIndex);\n }\n }\n }\n\n getGroup(group: number): string {\n let css = '';\n if (group >= this.length || this.groupSizes[group] === 0) {\n return css;\n }\n\n const length = this.groupSizes[group];\n const startIndex = this.indexOfGroup(group);\n const endIndex = startIndex + length;\n\n for (let i = startIndex; i < endIndex; i++) {\n css += `${this.tag.getRule(i)}${SPLITTER}`;\n }\n\n return css;\n }\n}\n","// @flow\n\nimport throwStyledError from '../utils/error';\n\nconst MAX_SMI = 1 << 31 - 1;\n\nlet groupIDRegister: Map<string, number> = new Map();\nlet reverseRegister: Map<number, string> = new Map();\nlet nextFreeGroup = 1;\n\nexport const resetGroupIds = () => {\n groupIDRegister = new Map();\n reverseRegister = new Map();\n nextFreeGroup = 1;\n};\n\nexport const getGroupForId = (id: string): number => {\n if (groupIDRegister.has(id)) {\n return (groupIDRegister.get(id): any);\n }\n\n while (reverseRegister.has(nextFreeGroup)) {\n nextFreeGroup++;\n }\n\n const group = nextFreeGroup++;\n\n if (\n process.env.NODE_ENV !== 'production' &&\n ((group | 0) < 0 || group > MAX_SMI)\n ) {\n throwStyledError(16, `${group}`);\n }\n\n groupIDRegister.set(id, group);\n reverseRegister.set(group, id);\n return group;\n};\n\nexport const getIdForGroup = (group: number): void | string => {\n return reverseRegister.get(group);\n};\n\nexport const setGroupForId = (id: string, group: number) => {\n if (group >= nextFreeGroup) {\n nextFreeGroup = group + 1;\n }\n\n groupIDRegister.set(id, group);\n reverseRegister.set(group, id);\n};\n","// @flow\n\nimport { SPLITTER, SC_ATTR, SC_ATTR_ACTIVE, SC_ATTR_VERSION, SC_VERSION } from '../constants';\nimport { getIdForGroup, setGroupForId } from './GroupIDAllocator';\nimport type { Sheet } from './types';\n\nconst SELECTOR = `style[${SC_ATTR}][${SC_ATTR_VERSION}=\"${SC_VERSION}\"]`;\nconst MARKER_RE = new RegExp(`^${SC_ATTR}\\\\.g(\\\\d+)\\\\[id=\"([\\\\w\\\\d-]+)\"\\\\].*?\"([^\"]*)`);\n\nexport const outputSheet = (sheet: Sheet) => {\n const tag = sheet.getTag();\n const { length } = tag;\n\n let css = '';\n for (let group = 0; group < length; group++) {\n const id = getIdForGroup(group);\n if (id === undefined) continue;\n\n const names = sheet.names.get(id);\n const rules = tag.getGroup(group);\n if (!names || !rules || !names.size) continue;\n\n const selector = `${SC_ATTR}.g${group}[id=\"${id}\"]`;\n\n let content = '';\n if (names !== undefined) {\n names.forEach(name => {\n if (name.length > 0) {\n content += `${name},`;\n }\n });\n }\n\n // NOTE: It's easier to collect rules and have the marker\n // after the actual rules to simplify the rehydration\n css += `${rules}${selector}{content:\"${content}\"}${SPLITTER}`;\n }\n\n return css;\n};\n\nconst rehydrateNamesFromContent = (sheet: Sheet, id: string, content: string) => {\n const names = content.split(',');\n let name;\n\n for (let i = 0, l = names.length; i < l; i++) {\n // eslint-disable-next-line\n if ((name = names[i])) {\n sheet.registerName(id, name);\n }\n }\n};\n\nconst rehydrateSheetFromTag = (sheet: Sheet, style: HTMLStyleElement) => {\n const parts = (style.textContent || '').split(SPLITTER);\n const rules: string[] = [];\n\n for (let i = 0, l = parts.length; i < l; i++) {\n const part = parts[i].trim();\n if (!part) continue;\n\n const marker = part.match(MARKER_RE);\n\n if (marker) {\n const group = parseInt(marker[1], 10) | 0;\n const id = marker[2];\n\n if (group !== 0) {\n // Rehydrate componentId to group index mapping\n setGroupForId(id, group);\n // Rehydrate names and rules\n // looks like: data-styled.g11[id=\"idA\"]{content:\"nameA,\"}\n rehydrateNamesFromContent(sheet, id, marker[3]);\n sheet.getTag().insertRules(group, rules);\n }\n\n rules.length = 0;\n } else {\n rules.push(part);\n }\n }\n};\n\nexport const rehydrateSheet = (sheet: Sheet) => {\n const nodes = document.querySelectorAll(SELECTOR);\n\n for (let i = 0, l = nodes.length; i < l; i++) {\n const node = ((nodes[i]: any): HTMLStyleElement);\n if (node && node.getAttribute(SC_ATTR) !== SC_ATTR_ACTIVE) {\n rehydrateSheetFromTag(sheet, node);\n\n if (node.parentNode) {\n node.parentNode.removeChild(node);\n }\n }\n }\n};\n","// @flow\n/* eslint-disable camelcase, no-undef */\n\ndeclare var __webpack_nonce__: string;\n\nconst getNonce = () => {\n return typeof __webpack_nonce__ !== 'undefined' ? __webpack_nonce__ : null;\n};\n\nexport default getNonce;\n","// @flow\n\nimport { SC_ATTR, SC_ATTR_ACTIVE, SC_ATTR_VERSION, SC_VERSION } from '../constants';\nimport getNonce from '../utils/nonce';\nimport throwStyledError from '../utils/error';\n\nconst ELEMENT_TYPE = 1; /* Node.ELEMENT_TYPE */\n\n/** Find last style element if any inside target */\nconst findLastStyleTag = (target: HTMLElement): void | HTMLStyleElement => {\n const { childNodes } = target;\n\n for (let i = childNodes.length; i >= 0; i--) {\n const child = ((childNodes[i]: any): ?HTMLElement);\n if (child && child.nodeType === ELEMENT_TYPE && child.hasAttribute(SC_ATTR)) {\n return ((child: any): HTMLStyleElement);\n }\n }\n\n return undefined;\n};\n\n/** Create a style element inside `target` or <head> after the last */\nexport const makeStyleTag = (target?: HTMLElement): HTMLStyleElement => {\n const head = ((document.head: any): HTMLElement);\n const parent = target || head;\n const style = document.createElement('style');\n const prevStyle = findLastStyleTag(parent);\n const nextSibling = prevStyle !== undefined ? prevStyle.nextSibling : null;\n\n style.setAttribute(SC_ATTR, SC_ATTR_ACTIVE);\n style.setAttribute(SC_ATTR_VERSION, SC_VERSION);\n\n const nonce = getNonce();\n\n if (nonce) style.setAttribute('nonce', nonce);\n\n parent.insertBefore(style, nextSibling);\n\n return style;\n};\n\n/** Get the CSSStyleSheet instance for a given style element */\nexport const getSheet = (tag: HTMLStyleElement): CSSStyleSheet => {\n if (tag.sheet) {\n return ((tag.sheet: any): CSSStyleSheet);\n }\n\n // Avoid Firefox quirk where the style element might not have a sheet property\n const { styleSheets } = document;\n for (let i = 0, l = styleSheets.length; i < l; i++) {\n const sheet = styleSheets[i];\n if (sheet.ownerNode === tag) {\n return ((sheet: any): CSSStyleSheet);\n }\n }\n\n throwStyledError(17);\n return (undefined: any);\n};\n","// @flow\n/* eslint-disable no-use-before-define */\n\nimport { makeStyleTag, getSheet } from './dom';\nimport type { SheetOptions, Tag } from './types';\n\n/** Create a CSSStyleSheet-like tag depending on the environment */\nexport const makeTag = ({ isServer, useCSSOMInjection, target }: SheetOptions): Tag => {\n if (isServer) {\n return new VirtualTag(target);\n } else if (useCSSOMInjection) {\n return new CSSOMTag(target);\n } else {\n return new TextTag(target);\n }\n};\n\nexport class CSSOMTag implements Tag {\n element: HTMLStyleElement;\n\n sheet: CSSStyleSheet;\n\n length: number;\n\n constructor(target?: HTMLElement) {\n const element = (this.element = makeStyleTag(target));\n\n // Avoid Edge bug where empty style elements don't create sheets\n element.appendChild(document.createTextNode(''));\n\n this.sheet = getSheet(element);\n this.length = 0;\n }\n\n insertRule(index: number, rule: string): boolean {\n try {\n this.sheet.insertRule(rule, index);\n this.length++;\n return true;\n } catch (_error) {\n return false;\n }\n }\n\n deleteRule(index: number): void {\n this.sheet.deleteRule(index);\n this.length--;\n }\n\n getRule(index: number): string {\n const rule = this.sheet.cssRules[index];\n // Avoid IE11 quirk where cssText is inaccessible on some invalid rules\n if (rule !== undefined && typeof rule.cssText === 'string') {\n return rule.cssText;\n } else {\n return '';\n }\n }\n}\n\n/** A Tag that emulates the CSSStyleSheet API but uses text nodes */\nexport class TextTag implements Tag {\n element: HTMLStyleElement;\n\n nodes: NodeList<Node>;\n\n length: number;\n\n constructor(target?: HTMLElement) {\n const element = (this.element = makeStyleTag(target));\n this.nodes = element.childNodes;\n this.length = 0;\n }\n\n insertRule(index: number, rule: string): boolean {\n if (index <= this.length && index >= 0) {\n const node = document.createTextNode(rule);\n const refNode = this.nodes[index];\n this.element.insertBefore(node, refNode || null);\n this.length++;\n return true;\n } else {\n return false;\n }\n }\n\n deleteRule(index: number): void {\n this.element.removeChild(this.nodes[index]);\n this.length--;\n }\n\n getRule(index: number): string {\n if (index < this.length) {\n return this.nodes[index].textContent;\n } else {\n return '';\n }\n }\n}\n\n/** A completely virtual (server-side) Tag that doesn't manipulate the DOM */\nexport class VirtualTag implements Tag {\n rules: string[];\n\n length: number;\n\n constructor(_target?: HTMLElement) {\n this.rules = [];\n this.length = 0;\n }\n\n insertRule(index: number, rule: string): boolean {\n if (index <= this.length) {\n this.rules.splice(index, 0, rule);\n this.length++;\n return true;\n } else {\n return false;\n }\n }\n\n deleteRule(index: number): void {\n this.rules.splice(index, 1);\n this.length--;\n }\n\n getRule(index: number): string {\n if (index < this.length) {\n return this.rules[index];\n } else {\n return '';\n }\n }\n}\n","// @flow\nimport { DISABLE_SPEEDY, IS_BROWSER } from '../constants';\nimport { EMPTY_OBJECT } from '../utils/empties';\nimport { makeGroupedTag } from './GroupedTag';\nimport { getGroupForId } from './GroupIDAllocator';\nimport { outputSheet, rehydrateSheet } from './Rehydration';\nimport { makeTag } from './Tag';\nimport type { GroupedTag, Sheet, SheetOptions } from './types';\n\nlet SHOULD_REHYDRATE = IS_BROWSER;\n\ntype SheetConstructorArgs = {\n isServer?: boolean,\n useCSSOMInjection?: boolean,\n target?: HTMLElement,\n};\n\ntype GlobalStylesAllocationMap = { [key: string]: number };\ntype NamesAllocationMap = Map<string, Set<string>>;\n\nconst defaultOptions: SheetOptions = {\n isServer: !IS_BROWSER,\n useCSSOMInjection: !DISABLE_SPEEDY,\n};\n\n/** Contains the main stylesheet logic for stringification and caching */\nexport default class StyleSheet implements Sheet {\n gs: GlobalStylesAllocationMap;\n\n names: NamesAllocationMap;\n\n options: SheetOptions;\n\n server: boolean;\n\n tag: void | GroupedTag;\n\n /** Register a group ID to give it an index */\n static registerId(id: string): number {\n return getGroupForId(id);\n }\n\n constructor(\n options: SheetConstructorArgs = EMPTY_OBJECT,\n globalStyles?: GlobalStylesAllocationMap = {},\n names?: NamesAllocationMap\n ) {\n this.options = {\n ...defaultOptions,\n ...options,\n };\n\n this.gs = globalStyles;\n this.names = new Map(names);\n this.server = !!options.isServer;\n\n // We rehydrate only once and use the sheet that is created first\n if (!this.server && IS_BROWSER && SHOULD_REHYDRATE) {\n SHOULD_REHYDRATE = false;\n rehydrateSheet(this);\n }\n }\n\n reconstructWithOptions(options: SheetConstructorArgs, withNames?: boolean = true) {\n return new StyleSheet(\n { ...this.options, ...options },\n this.gs,\n (withNames && this.names) || undefined\n );\n }\n\n allocateGSInstance(id: string) {\n return (this.gs[id] = (this.gs[id] || 0) + 1);\n }\n\n /** Lazily initialises a GroupedTag for when it's actually needed */\n getTag(): GroupedTag {\n return this.tag || (this.tag = makeGroupedTag(makeTag(this.options)));\n }\n\n /** Check whether a name is known for caching */\n hasNameForId(id: string, name: string): boolean {\n return this.names.has(id) && (this.names.get(id): any).has(name);\n }\n\n /** Mark a group's name as known for caching */\n registerName(id: string, name: string) {\n getGroupForId(id);\n\n if (!this.names.has(id)) {\n const groupNames = new Set();\n groupNames.add(name);\n this.names.set(id, groupNames);\n } else {\n (this.names.get(id): any).add(name);\n }\n }\n\n /** Insert new rules which also marks the name as known */\n insertRules(id: string, name: string, rules: string[]) {\n this.registerName(id, name);\n this.getTag().insertRules(getGroupForId(id), rules);\n }\n\n /** Clears all cached names for a given group ID */\n clearNames(id: string) {\n if (this.names.has(id)) {\n (this.names.get(id): any).clear();\n }\n }\n\n /** Clears all rules for a given group ID */\n clearRules(id: string) {\n this.getTag().clearGroup(getGroupForId(id));\n this.clearNames(id);\n }\n\n /** Clears the entire tag which deletes all rules but not its names */\n clearTag() {\n // NOTE: This does not clear the names, since it's only used during SSR\n // so that we can continuously output only new rules\n this.tag = undefined;\n }\n\n /** Outputs the current sheet as a CSS string with markers for SSR */\n toString(): string {\n return outputSheet(this);\n }\n}\n","// @flow\n/* eslint-disable no-bitwise */\n\nconst AD_REPLACER_R = /(a)(d)/gi;\n\n/* This is the \"capacity\" of our alphabet i.e. 2x26 for all letters plus their capitalised\n * counterparts */\nconst charsLength = 52;\n\n/* start at 75 for 'a' until 'z' (25) and then start at 65 for capitalised letters */\nconst getAlphabeticChar = (code: number): string =>\n String.fromCharCode(code + (code > 25 ? 39 : 97));\n\n/* input a number, usually a hash and convert it to base-52 */\nexport default function generateAlphabeticName(code: number): string {\n let name = '';\n let x;\n\n /* get a char and divide by alphabet-length */\n for (x = Math.abs(code); x > charsLength; x = (x / charsLength) | 0) {\n name = getAlphabeticChar(x % charsLength) + name;\n }\n\n return (getAlphabeticChar(x % charsLength) + name).replace(AD_REPLACER_R, '$1-$2');\n}\n","// @flow\n/* eslint-disable */\n\nexport const SEED = 5381;\n\n// When we have separate strings it's useful to run a progressive\n// version of djb2 where we pretend that we're still looping over\n// the same string\nexport const phash = (h: number, x: string): number => {\n let i = x.length;\n\n while (i) {\n h = (h * 33) ^ x.charCodeAt(--i);\n }\n\n return h;\n};\n\n// This is a djb2 hashing function\nexport const hash = (x: string): number => {\n return phash(SEED, x);\n};\n","// @flow\nimport isFunction from './isFunction';\nimport isStyledComponent from './isStyledComponent';\nimport type { RuleSet } from '../types';\n\nexport default function isStaticRules(rules: RuleSet): boolean {\n for (let i = 0; i < rules.length; i += 1) {\n const rule = rules[i];\n\n if (isFunction(rule) && !isStyledComponent(rule)) {\n // functions are allowed to be static if they're just being\n // used to get the classname of a nested styled component\n return false;\n }\n }\n\n return true;\n}\n","// @flow\nimport { SC_VERSION } from '../constants';\nimport StyleSheet from '../sheet';\nimport type { RuleSet, Stringifier } from '../types';\nimport flatten from '../utils/flatten';\nimport generateName from '../utils/generateAlphabeticName';\nimport { hash, phash } from '../utils/hash';\nimport isStaticRules from '../utils/isStaticRules';\n\nconst SEED = hash(SC_VERSION);\n\n/**\n * ComponentStyle is all the CSS-specific stuff, not the React-specific stuff.\n */\nexport default class ComponentStyle {\n baseHash: number;\n\n baseStyle: ?ComponentStyle;\n\n componentId: string;\n\n isStatic: boolean;\n\n rules: RuleSet;\n\n staticRulesId: string;\n\n constructor(rules: RuleSet, componentId: string, baseStyle?: ComponentStyle) {\n this.rules = rules;\n this.staticRulesId = '';\n this.isStatic = process.env.NODE_ENV === 'production' &&\n (baseStyle === undefined || baseStyle.isStatic) &&\n isStaticRules(rules);\n this.componentId = componentId;\n\n // SC_VERSION gives us isolation between multiple runtimes on the page at once\n // this is improved further with use of the babel plugin \"namespace\" feature\n this.baseHash = phash(SEED, componentId);\n\n this.baseStyle = baseStyle;\n\n // NOTE: This registers the componentId, which ensures a consistent order\n // for this component's styles compared to others\n StyleSheet.registerId(componentId);\n }\n\n /*\n * Flattens a rule set into valid CSS\n * Hashes it, wraps the whole chunk in a .hash1234 {}\n * Returns the hash to be injected on render()\n * */\n generateAndInjectStyles(executionContext: Object, styleSheet: StyleSheet, stylis: Stringifier) {\n const { componentId } = this;\n\n const names = [];\n\n if (this.baseStyle) {\n names.push(this.baseStyle.generateAndInjectStyles(executionContext, styleSheet, stylis));\n }\n\n // force dynamic classnames if user-supplied stylis plugins are in use\n if (this.isStatic && !stylis.hash) {\n if (this.staticRulesId && styleSheet.hasNameForId(componentId, this.staticRulesId)) {\n names.push(this.staticRulesId);\n } else {\n const cssStatic = flatten(this.rules, executionContext, styleSheet, stylis).join('');\n const name = generateName(phash(this.baseHash, cssStatic) >>> 0);\n\n if (!styleSheet.hasNameForId(componentId, name)) {\n const cssStaticFormatted = stylis(cssStatic, `.${name}`, undefined, componentId);\n\n styleSheet.insertRules(componentId, name, cssStaticFormatted);\n }\n\n names.push(name);\n this.staticRulesId = name;\n }\n } else {\n const { length } = this.rules;\n let dynamicHash = phash(this.baseHash, stylis.hash);\n let css = '';\n\n for (let i = 0; i < length; i++) {\n const partRule = this.rules[i];\n\n if (typeof partRule === 'string') {\n css += partRule;\n\n if (process.env.NODE_ENV !== 'production') dynamicHash = phash(dynamicHash, partRule + i);\n } else if (partRule) {\n const partChunk = flatten(partRule, executionContext, styleSheet, stylis);\n const partString = Array.isArray(partChunk) ? partChunk.join('') : partChunk;\n dynamicHash = phash(dynamicHash, partString + i);\n css += partString;\n }\n }\n\n if (css) {\n const name = generateName(dynamicHash >>> 0);\n\n if (!styleSheet.hasNameForId(componentId, name)) {\n const cssFormatted = stylis(css, `.${name}`, undefined, componentId);\n styleSheet.insertRules(componentId, name, cssFormatted);\n }\n\n names.push(name);\n }\n }\n\n return names.join(' ');\n }\n}\n","import Stylis from '@emotion/stylis';\nimport { type Stringifier } from '../types';\nimport { EMPTY_ARRAY, EMPTY_OBJECT } from './empties';\nimport throwStyledError from './error';\nimport { phash, SEED } from './hash';\nimport insertRulePlugin from './stylisPluginInsertRule';\n\nconst COMMENT_REGEX = /^\\s*\\/\\/.*$/gm;\nconst COMPLEX_SELECTOR_PREFIX = [':', '[', '.', '#'];\n\ntype StylisInstanceConstructorArgs = {\n options?: Object,\n plugins?: Array<Function>,\n};\n\nexport default function createStylisInstance({\n options = EMPTY_OBJECT,\n plugins = EMPTY_ARRAY,\n}: StylisInstanceConstructorArgs = EMPTY_OBJECT) {\n const stylis = new Stylis(options);\n\n // Wrap `insertRulePlugin to build a list of rules,\n // and then make our own plugin to return the rules. This\n // makes it easier to hook into the existing SSR architecture\n\n let parsingRules = [];\n\n // eslint-disable-next-line consistent-return\n const returnRulesPlugin = context => {\n if (context === -2) {\n const parsedRules = parsingRules;\n parsingRules = [];\n return parsedRules;\n }\n };\n\n const parseRulesPlugin = insertRulePlugin(rule => {\n parsingRules.push(rule);\n });\n\n let _componentId: string;\n let _selector: string;\n let _selectorRegexp: RegExp;\n let _consecutiveSelfRefRegExp: RegExp;\n\n const selfReferenceReplacer = (match, offset, string) => {\n if (\n // do not replace the first occurrence if it is complex (has a modifier)\n (offset === 0 ? COMPLEX_SELECTOR_PREFIX.indexOf(string[_selector.length]) === -1 : true) &&\n // no consecutive self refs (.b.b); that is a precedence boost and treated differently\n !string.match(_consecutiveSelfRefRegExp)\n ) {\n return `.${_componentId}`;\n }\n\n return match;\n };\n\n /**\n * When writing a style like\n *\n * & + & {\n * color: red;\n * }\n *\n * The second ampersand should be a reference to the static component class. stylis\n * has no knowledge of static class so we have to intelligently replace the base selector.\n *\n * https://github.com/thysultan/stylis.js/tree/v3.5.4#plugins <- more info about the context phase values\n * \"2\" means this plugin is taking effect at the very end after all other processing is complete\n */\n const selfReferenceReplacementPlugin = (context, _, selectors) => {\n if (context === 2 && selectors.length && selectors[0].lastIndexOf(_selector) > 0) {\n // eslint-disable-next-line no-param-reassign\n selectors[0] = selectors[0].replace(_selectorRegexp, selfReferenceReplacer);\n }\n };\n\n stylis.use([...plugins, selfReferenceReplacementPlugin, parseRulesPlugin, returnRulesPlugin]);\n\n function stringifyRules(css, selector, prefix, componentId = '&'): Stringifier {\n const flatCSS = css.replace(COMMENT_REGEX, '');\n const cssStr = selector && prefix ? `${prefix} ${selector} { ${flatCSS} }` : flatCSS;\n\n // stylis has no concept of state to be passed to plugins\n // but since JS is single-threaded, we can rely on that to ensure\n // these properties stay in sync with the current stylis run\n _componentId = componentId;\n _selector = selector;\n _selectorRegexp = new RegExp(`\\\\${_selector}\\\\b`, 'g');\n _consecutiveSelfRefRegExp = new RegExp(`(\\\\${_selector}\\\\b){2,}`);\n\n return stylis(prefix || !selector ? '' : selector, cssStr);\n }\n\n stringifyRules.hash = plugins.length\n ? plugins\n .reduce((acc, plugin) => {\n if (!plugin.name) {\n throwStyledError(15);\n }\n\n return phash(acc, plugin.name);\n }, SEED)\n .toString()\n : '';\n\n return stringifyRules;\n}\n","/**\n * MIT License\n *\n * Copyright (c) 2016 Sultan Tarimo\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy of\n * this software and associated documentation files (the \"Software\"),\n * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software and to permit persons to whom the Software is furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n * OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR\n * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n */\n/* eslint-disable */\n\nexport default function(insertRule) {\n const delimiter = '/*|*/';\n const needle = `${delimiter}}`;\n\n function toSheet(block) {\n if (block) {\n try {\n insertRule(`${block}}`);\n } catch (e) {}\n }\n }\n\n return function ruleSheet(\n context,\n content,\n selectors,\n parents,\n line,\n column,\n length,\n ns,\n depth,\n at\n ) {\n switch (context) {\n // property\n case 1:\n // @import\n if (depth === 0 && content.charCodeAt(0) === 64) return insertRule(`${content};`), '';\n break;\n // selector\n case 2:\n if (ns === 0) return content + delimiter;\n break;\n // at-rule\n case 3:\n switch (ns) {\n // @font-face, @page\n case 102:\n case 112:\n return insertRule(selectors[0] + content), '';\n default:\n return content + (at === 0 ? delimiter : '');\n }\n case -2:\n content.split(needle).forEach(toSheet);\n }\n };\n}\n","// @flow\nimport React, { type Context, type Node, useContext, useEffect, useMemo, useState } from 'react';\nimport shallowequal from 'shallowequal';\nimport StyleSheet from '../sheet';\nimport type { Stringifier } from '../types';\nimport createStylisInstance from '../utils/stylis';\n\ntype Props = {\n children?: Node,\n disableCSSOMInjection?: boolean,\n disableVendorPrefixes?: boolean,\n sheet?: StyleSheet,\n stylisPlugins?: Array<Function>,\n target?: HTMLElement,\n};\n\nexport const StyleSheetContext: Context<StyleSheet | void> = React.createContext();\nexport const StyleSheetConsumer = StyleSheetContext.Consumer;\nexport const StylisContext: Context<Stringifier | void> = React.createContext();\nexport const StylisConsumer = StylisContext.Consumer;\n\nexport const masterSheet: StyleSheet = new StyleSheet();\nexport const masterStylis: Stringifier = createStylisInstance();\n\nexport function useStyleSheet(): StyleSheet {\n return useContext(StyleSheetContext) || masterSheet;\n}\n\nexport function useStylis(): Stringifier {\n return useContext(StylisContext) || masterStylis;\n}\n\nexport default function StyleSheetManager(props: Props) {\n const [plugins, setPlugins] = useState(props.stylisPlugins);\n const contextStyleSheet = useStyleSheet();\n\n const styleSheet = useMemo(() => {\n let sheet = contextStyleSheet;\n\n if (props.sheet) {\n // eslint-disable-next-line prefer-destructuring\n sheet = props.sheet;\n } else if (props.target) {\n sheet = sheet.reconstructWithOptions({ target: props.target }, false);\n }\n\n if (props.disableCSSOMInjection) {\n sheet = sheet.reconstructWithOptions({ useCSSOMInjection: false });\n }\n\n return sheet;\n }, [props.disableCSSOMInjection, props.sheet, props.target]);\n\n const stylis = useMemo(\n () =>\n createStylisInstance({\n options: { prefix: !props.disableVendorPrefixes },\n plugins,\n }),\n [props.disableVendorPrefixes, plugins]\n );\n\n useEffect(() => {\n if (!shallowequal(plugins, props.stylisPlugins)) setPlugins(props.stylisPlugins);\n }, [props.stylisPlugins]);\n\n return (\n <StyleSheetContext.Provider value={styleSheet}>\n <StylisContext.Provider value={stylis}>\n {process.env.NODE_ENV !== 'production'\n ? React.Children.only(props.children)\n : props.children}\n </StylisContext.Provider>\n </StyleSheetContext.Provider>\n );\n}\n","// @flow\nimport StyleSheet from '../sheet';\nimport { type Stringifier } from '../types';\nimport throwStyledError from '../utils/error';\nimport { masterStylis } from './StyleSheetManager';\n\nexport default class Keyframes {\n id: string;\n\n name: string;\n\n rules: string;\n\n constructor(name: string, rules: string) {\n this.name = name;\n this.id = `sc-keyframes-${name}`;\n this.rules = rules;\n }\n\n inject = (styleSheet: StyleSheet, stylisInstance: Stringifier = masterStylis) => {\n const resolvedName = this.name + stylisInstance.hash;\n\n if (!styleSheet.hasNameForId(this.id, resolvedName)) {\n styleSheet.insertRules(\n this.id,\n resolvedName,\n stylisInstance(this.rules, resolvedName, '@keyframes')\n );\n }\n };\n\n toString = () => {\n return throwStyledError(12, String(this.name));\n };\n\n getName(stylisInstance: Stringifier = masterStylis) {\n return this.name + stylisInstance.hash;\n }\n}\n","// @flow\n\n/**\n * inlined version of\n * https://github.com/facebook/fbjs/blob/master/packages/fbjs/src/core/hyphenateStyleName.js\n */\n\nconst uppercaseCheck = /([A-Z])/;\nconst uppercasePattern = /([A-Z])/g;\nconst msPattern = /^ms-/;\nconst prefixAndLowerCase = (char: string): string => `-${char.toLowerCase()}`;\n\n/**\n * Hyphenates a camelcased CSS property name, for example:\n *\n * > hyphenateStyleName('backgroundColor')\n * < \"background-color\"\n * > hyphenateStyleName('MozTransition')\n * < \"-moz-transition\"\n * > hyphenateStyleName('msTransition')\n * < \"-ms-transition\"\n *\n * As Modernizr suggests (http://modernizr.com/docs/#prefixed), an `ms` prefix\n * is converted to `-ms-`.\n *\n * @param {string} string\n * @return {string}\n */\nexport default function hyphenateStyleName(string: string): string {\n return uppercaseCheck.test(string)\n ? string\n .replace(uppercasePattern, prefixAndLowerCase)\n .replace(msPattern, '-ms-')\n : string;\n}\n","// @flow\nimport { isElement } from 'react-is';\nimport getComponentName from './getComponentName';\nimport isFunction from './isFunction';\nimport isStatelessFunction from './isStatelessFunction';\nimport isPlainObject from './isPlainObject';\nimport isStyledComponent from './isStyledComponent';\nimport Keyframes from '../models/Keyframes';\nimport hyphenate from './hyphenateStyleName';\nimport addUnitIfNeeded from './addUnitIfNeeded';\nimport { type Stringifier } from '../types';\n\n/**\n * It's falsish not falsy because 0 is allowed.\n */\nconst isFalsish = chunk => chunk === undefined || chunk === null || chunk === false || chunk === '';\n\nexport const objToCssArray = (obj: Object, prevKey?: string): Array<string | Function> => {\n const rules = [];\n\n for (const key in obj) {\n if (!obj.hasOwnProperty(key) || isFalsish(obj[key])) continue;\n\n if ((Array.isArray(obj[key]) && obj[key].isCss) || isFunction(obj[key])) {\n rules.push(`${hyphenate(key)}:`, obj[key], ';');\n } else if (isPlainObject(obj[key])) {\n rules.push(...objToCssArray(obj[key], key));\n } else {\n rules.push(`${hyphenate(key)}: ${addUnitIfNeeded(key, obj[key])};`);\n }\n }\n\n return prevKey ? [`${prevKey} {`, ...rules, '}'] : rules;\n};\n\nexport default function flatten(\n chunk: any,\n executionContext: ?Object,\n styleSheet: ?Object,\n stylisInstance: ?Stringifier\n): any {\n if (Array.isArray(chunk)) {\n const ruleSet = [];\n\n for (let i = 0, len = chunk.length, result; i < len; i += 1) {\n result = flatten(chunk[i], executionContext, styleSheet, stylisInstance);\n\n if (result === '') continue;\n else if (Array.isArray(result)) ruleSet.push(...result);\n else ruleSet.push(result);\n }\n\n return ruleSet;\n }\n\n if (isFalsish(chunk)) {\n return '';\n }\n\n /* Handle other components */\n if (isStyledComponent(chunk)) {\n return `.${chunk.styledComponentId}`;\n }\n\n /* Either execute or defer the function */\n if (isFunction(chunk)) {\n if (isStatelessFunction(chunk) && executionContext) {\n const result = chunk(executionContext);\n\n if (process.env.NODE_ENV !== 'production' && isElement(result)) {\n // eslint-disable-next-line no-console\n console.warn(\n `${getComponentName(\n chunk\n )} is not a styled component and cannot be referred to via component selector. See https://www.styled-components.com/docs/advanced#referring-to-other-components for more details.`\n );\n }\n\n return flatten(result, executionContext, styleSheet, stylisInstance);\n } else return chunk;\n }\n\n if (chunk instanceof Keyframes) {\n if (styleSheet) {\n chunk.inject(styleSheet, stylisInstance);\n return chunk.getName(stylisInstance);\n } else return chunk;\n }\n\n /* Handle objects */\n return isPlainObject(chunk) ? objToCssArray(chunk) : chunk.toString();\n}\n","// @flow\nexport default function isStatelessFunction(test: any): boolean {\n return (\n typeof test === 'function'\n && !(\n test.prototype\n && test.prototype.isReactComponent\n )\n );\n}\n","// @flow\nimport unitless from '@emotion/unitless';\n\n// Taken from https://github.com/facebook/react/blob/b87aabdfe1b7461e7331abb3601d9e6bb27544bc/packages/react-dom/src/shared/dangerousStyleValue.js\nexport default function addUnitIfNeeded(name: string, value: any): any {\n // https://github.com/amilajack/eslint-plugin-flowtype-errors/issues/133\n // $FlowFixMe\n if (value == null || typeof value === 'boolean' || value === '') {\n return '';\n }\n\n if (typeof value === 'number' && value !== 0 && !(name in unitless) && !name.startsWith('--')) {\n return `${value}px`; // Presumes implicit 'px' suffix for unitless numbers except for CSS variables\n }\n\n return String(value).trim();\n}\n","// @flow\nimport interleave from '../utils/interleave';\nimport isPlainObject from '../utils/isPlainObject';\nimport { EMPTY_ARRAY } from '../utils/empties';\nimport isFunction from '../utils/isFunction';\nimport flatten from '../utils/flatten';\nimport type { Interpolation, RuleSet, Styles } from '../types';\n\n/**\n * Used when flattening object styles to determine if we should\n * expand an array of styles.\n */\nconst addTag = arg => {\n if (Array.isArray(arg)) {\n // eslint-disable-next-line no-param-reassign\n arg.isCss = true;\n }\n return arg;\n};\n\nexport default function css(styles: Styles, ...interpolations: Array<Interpolation>): RuleSet {\n if (isFunction(styles) || isPlainObject(styles)) {\n // $FlowFixMe\n return addTag(flatten(interleave(EMPTY_ARRAY, [styles, ...interpolations])));\n }\n\n if (interpolations.length === 0 && styles.length === 1 && typeof styles[0] === 'string') {\n // $FlowFixMe\n return styles;\n }\n\n // $FlowFixMe\n return addTag(flatten(interleave(styles, interpolations)));\n}\n","// @flow\n\nimport { useRef } from 'react';\n\nconst invalidHookCallRe = /invalid hook call/i;\nconst seen = new Set();\n\nexport const checkDynamicCreation = (displayName: string, componentId?: string) => {\n if (process.env.NODE_ENV !== 'production') {\n const parsedIdString = componentId ? ` with the id of \"${componentId}\"` : '';\n const message =\n `The component ${displayName}${parsedIdString} has been created dynamically.\\n` +\n \"You may see this warning because you've called styled inside another component.\\n\" +\n 'To resolve this only create new StyledComponents outside of any render method and function component.';\n\n // If a hook is called outside of a component:\n // React 17 and earlier throw an error\n // React 18 and above use console.error\n\n const originalConsoleError = console.error // eslint-disable-line no-console\n try {\n let didNotCallInvalidHook = true\n /* $FlowIgnore[cannot-write] */\n console.error = (consoleErrorMessage, ...consoleErrorArgs) => { // eslint-disable-line no-console\n // The error here is expected, since we're expecting anything that uses `checkDynamicCreation` to\n // be called outside of a React component.\n if (invalidHookCallRe.test(consoleErrorMessage)) {\n didNotCallInvalidHook = false\n // This shouldn't happen, but resets `warningSeen` if we had this error happen intermittently\n seen.delete(message);\n } else {\n originalConsoleError(consoleErrorMessage, ...consoleErrorArgs);\n }\n }\n // We purposefully call `useRef` outside of a component and expect it to throw\n // If it doesn't, then we're inside another component.\n // eslint-disable-next-line react-hooks/rules-of-hooks\n useRef();\n\n if (didNotCallInvalidHook && !seen.has(message)) {\n // eslint-disable-next-line no-console\n console.warn(message);\n seen.add(message);\n }\n } catch (error) {\n // The error here is expected, since we're expecting anything that uses `checkDynamicCreation` to\n // be called outside of a React component.\n if (invalidHookCallRe.test(error.message)) {\n // This shouldn't happen, but resets `warningSeen` if we had this error happen intermittently\n seen.delete(message);\n }\n } finally {\n /* $FlowIgnore[cannot-write] */\n console.error = originalConsoleError; // eslint-disable-line no-console\n }\n }\n};\n","// @flow\nimport { EMPTY_OBJECT } from './empties';\n\ntype Props = {\n theme?: any,\n};\n\nexport default (props: Props, providedTheme: any, defaultProps: any = EMPTY_OBJECT) => {\n return (props.theme !== defaultProps.theme && props.theme) || providedTheme || defaultProps.theme;\n};\n","// @flow\n\n// Source: https://www.w3.org/TR/cssom-1/#serialize-an-identifier\n// Control characters and non-letter first symbols are not supported\nconst escapeRegex = /[!\"#$%&'()*+,./:;<=>?@[\\\\\\]^`{|}~-]+/g;\n\nconst dashesAtEnds = /(^-|-$)/g;\n\n/**\n * TODO: Explore using CSS.escape when it becomes more available\n * in evergreen browsers.\n */\nexport default function escape(str: string): string {\n return (\n str\n // Replace all possible CSS selectors\n .replace(escapeRegex, '-')\n\n // Remove extraneous hyphens at the start and end\n .replace(dashesAtEnds, '')\n );\n}\n","// @flow\n/* eslint-disable */\nimport generateAlphabeticName from './generateAlphabeticName';\nimport { hash } from './hash';\n\nexport default (str: string): string => {\n return generateAlphabeticName(hash(str) >>> 0);\n};\n","// @flow\nimport type { IStyledComponent } from '../types';\n\nexport default function isTag(target: $PropertyType<IStyledComponent, 'target'>): boolean %checks {\n return (\n typeof target === 'string' &&\n (process.env.NODE_ENV !== 'production'\n ? target.charAt(0) === target.charAt(0).toLowerCase()\n : true)\n );\n}\n","/* eslint-disable */\n/**\n mixin-deep; https://github.com/jonschlinkert/mixin-deep\n Inlined such that it will be consistently transpiled to an IE-compatible syntax.\n\n The MIT License (MIT)\n\n Copyright (c) 2014-present, Jon Schlinkert.\n\n Permission is hereby granted, free of charge, to any person obtaining a copy\n of this software and associated documentation files (the \"Software\"), to deal\n in the Software without restriction, including without limitation the rights\n to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n copies of the Software, and to permit persons to whom the Software is\n furnished to do so, subje