{"version":3,"file":"styled-components.min.js","sources":["../src/sheet/Tag.js","../src/sheet/Sheet.js","../src/utils/isStaticRules.js","../src/models/ServerStyleSheet.js","../src/models/StyledComponent.js"],"sourcesContent":["// @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 createStylisInstance from '../utils/stylis';\nimport type { GroupedTag, Sheet, SheetOptions } from './types';\nimport { makeTag } from './Tag';\nimport { makeGroupedTag } from './GroupedTag';\nimport { getGroupForId } from './GroupIDAllocator';\nimport { outputSheet, rehydrateSheet } from './Rehydration';\n\nlet SHOULD_REHYDRATE = IS_BROWSER;\n\ntype SheetConstructorArgs = {\n  isServer?: boolean,\n  useCSSOMInjection?: boolean,\n  target?: HTMLElement,\n};\n\nconst defaultOptions = {\n  isServer: !IS_BROWSER,\n  stringifier: createStylisInstance(),\n  useCSSOMInjection: !DISABLE_SPEEDY,\n};\n\n/** Contains the main stylesheet logic for stringification and caching */\nexport default class StyleSheet implements Sheet {\n  names: Map<string, Set<string>>;\n\n  options: SheetOptions;\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(options: SheetConstructorArgs = defaultOptions) {\n    this.options = {\n      ...defaultOptions,\n      ...options,\n    };\n\n    this.names = new Map();\n\n    // We rehydrate only once and use the sheet that is\n    // created first\n    if (!this.options.isServer && IS_BROWSER && SHOULD_REHYDRATE) {\n      SHOULD_REHYDRATE = false;\n      rehydrateSheet(this);\n    }\n  }\n\n  reconstructWithOptions(options: SheetConstructorArgs) {\n    return new StyleSheet({ ...this.options, ...options });\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\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\n/* eslint-disable no-underscore-dangle */\nimport React from 'react';\nimport { IS_BROWSER, SC_ATTR, SC_ATTR_VERSION, SC_VERSION } from '../constants';\nimport throwStyledError from '../utils/error';\nimport getNonce from '../utils/nonce';\nimport StyleSheet from '../sheet';\nimport StyleSheetManager from './StyleSheetManager';\n\ndeclare var __SERVER__: boolean;\n\nconst CLOSING_TAG_R = /^\\s*<\\/[a-z]/i;\n\nexport default class ServerStyleSheet {\n  isStreaming: boolean;\n\n  instance: StyleSheet;\n\n  sealed: boolean;\n\n  constructor() {\n    this.instance = new StyleSheet({ isServer: true });\n    this.sealed = false;\n  }\n\n  _emitSheetCSS = (): string => {\n    const css = this.instance.toString();\n    const nonce = getNonce();\n    const attrs = [nonce && `nonce=\"${nonce}\"`, SC_ATTR, `${SC_ATTR_VERSION}=\"${SC_VERSION}\"`];\n    const htmlAttr = attrs.filter(Boolean).join(' ');\n\n    return `<style ${htmlAttr}>${css}</style>`;\n  };\n\n  collectStyles(children: any) {\n    if (this.sealed) {\n      return throwStyledError(2);\n    }\n\n    return <StyleSheetManager sheet={this.instance}>{children}</StyleSheetManager>;\n  }\n\n  getStyleTags = (): string => {\n    if (this.sealed) {\n      return throwStyledError(2);\n    }\n\n    return this._emitSheetCSS();\n  };\n\n  getStyleElement = () => {\n    if (this.sealed) {\n      return throwStyledError(2);\n    }\n\n    const props = {\n      [SC_ATTR]: '',\n      [SC_ATTR_VERSION]: SC_VERSION,\n      dangerouslySetInnerHTML: {\n        __html: this.instance.toString(),\n      },\n    };\n\n    const nonce = getNonce();\n    if (nonce) {\n      (props: any).nonce = nonce;\n    }\n\n    // v4 returned an array for this fn, so we'll do the same for v5 for backward compat\n    return [<style {...props} key=\"sc-0-0\" />];\n  };\n\n  // eslint-disable-next-line consistent-return\n  interleaveWithNodeStream(input: any) {\n    if (!__SERVER__ || IS_BROWSER) {\n      return throwStyledError(3);\n    } else if (this.sealed) {\n      return throwStyledError(2);\n    }\n\n    if (__SERVER__) {\n      this.seal();\n\n      // eslint-disable-next-line global-require\n      const { Readable, Transform } = require('stream');\n\n      const readableStream: Readable = input;\n      const { instance: sheet, _emitSheetCSS } = this;\n\n      const transformer = new Transform({\n        transform: function appendStyleChunks(chunk, /* encoding */ _, callback) {\n          // Get the chunk and retrieve the sheet's CSS as an HTML chunk,\n          // then reset its rules so we get only new ones for the next chunk\n          const renderedHtml = chunk.toString();\n          const html = _emitSheetCSS();\n\n          sheet.clearTag();\n\n          // prepend style html to chunk, unless the start of the chunk is a\n          // closing tag in which case append right after that\n          if (CLOSING_TAG_R.test(renderedHtml)) {\n            const endOfClosingTag = renderedHtml.indexOf('>') + 1;\n            const before = renderedHtml.slice(0, endOfClosingTag);\n            const after = renderedHtml.slice(endOfClosingTag);\n\n            this.push(before + html + after);\n          } else {\n            this.push(html + renderedHtml);\n          }\n\n          callback();\n        },\n      });\n\n      readableStream.on('error', err => {\n        // forward the error to the transform stream\n        transformer.emit('error', err);\n      });\n\n      return readableStream.pipe(transformer);\n    }\n  }\n\n  seal = () => {\n    this.sealed = true;\n  };\n}\n","// @flow\nimport validAttr from '@emotion/is-prop-valid';\nimport merge from 'merge-anything';\nimport React, {\n  createElement,\n  useContext,\n  useDebugValue,\n  type AbstractComponent,\n  type Ref,\n} from 'react';\nimport ComponentStyle from './ComponentStyle';\nimport createWarnTooManyClasses from '../utils/createWarnTooManyClasses';\nimport determineTheme from '../utils/determineTheme';\nimport escape from '../utils/escape';\nimport generateDisplayName from '../utils/generateDisplayName';\nimport getComponentName from '../utils/getComponentName';\nimport hoist from '../utils/hoist';\nimport isFunction from '../utils/isFunction';\nimport isTag from '../utils/isTag';\nimport isStyledComponent from '../utils/isStyledComponent';\nimport hasher from '../utils/hasher';\nimport { ThemeContext } from './ThemeProvider';\nimport { useStyleSheet } from './StyleSheetManager';\nimport { EMPTY_ARRAY, EMPTY_OBJECT } from '../utils/empties';\n\nimport type { Attrs, RuleSet, Target } from '../types';\n\n/* global $Call */\n\nconst identifiers = {};\n\n/* We depend on components having unique IDs */\nfunction generateId(displayName: string, parentComponentId: string) {\n  const name = typeof displayName !== 'string' ? 'sc' : escape(displayName);\n  // Ensure that no displayName can lead to duplicate componentIds\n  identifiers[name] = (identifiers[name] || 0) + 1;\n\n  const componentId = `${name}-${hasher(name + identifiers[name])}`;\n  return parentComponentId ? `${parentComponentId}-${componentId}` : componentId;\n}\n\nfunction useResolvedAttrs<Config>(theme: any = EMPTY_OBJECT, props: Config, attrs: Attrs) {\n  // NOTE: can't memoize this\n  // returns [context, resolvedAttrs]\n  // where resolvedAttrs is only the things injected by the attrs themselves\n  const context = { ...props, theme };\n  const resolvedAttrs = {};\n\n  attrs.forEach(attrDef => {\n    let resolvedAttrDef = attrDef;\n    let key;\n\n    if (isFunction(resolvedAttrDef)) {\n      resolvedAttrDef = resolvedAttrDef(context);\n    }\n\n    /* eslint-disable guard-for-in */\n    for (key in resolvedAttrDef) {\n      context[key] = resolvedAttrs[key] = resolvedAttrDef[key];\n    }\n    /* eslint-enable guard-for-in */\n  });\n\n  return [context, resolvedAttrs];\n}\n\ninterface StyledComponentWrapperProperties {\n  attrs: Attrs;\n  componentStyle: ComponentStyle;\n  foldedComponentIds: Array<string>;\n  target: Target;\n  styledComponentId: string;\n  warnTooManyClasses: $Call<typeof createWarnTooManyClasses, string>;\n}\n\ntype StyledComponentWrapper<Config, Instance> = AbstractComponent<Config, Instance> &\n  StyledComponentWrapperProperties;\n\nfunction useInjectedStyle<T>(\n  componentStyle: ComponentStyle,\n  hasAttrs: boolean,\n  resolvedAttrs: T,\n  warnTooManyClasses?: $Call<typeof createWarnTooManyClasses, string>\n) {\n  const styleSheet = useStyleSheet();\n\n  // statically styled-components don't need to build an execution context object,\n  // and shouldn't be increasing the number of class names\n  const isStatic = componentStyle.isStatic && !hasAttrs;\n\n  const className = isStatic\n    ? componentStyle.generateAndInjectStyles(EMPTY_OBJECT, styleSheet)\n    : componentStyle.generateAndInjectStyles(resolvedAttrs, styleSheet);\n\n  useDebugValue(className);\n\n  if (process.env.NODE_ENV !== 'production' && !isStatic && warnTooManyClasses) {\n    warnTooManyClasses(className);\n  }\n\n  return className;\n}\n\nfunction useStyledComponentImpl<Config: {}, Instance>(\n  forwardedComponent: StyledComponentWrapper<Config, Instance>,\n  props: Object,\n  forwardedRef: Ref<any>\n) {\n  const {\n    attrs: componentAttrs,\n    componentStyle,\n    // $FlowFixMe\n    defaultProps,\n    foldedComponentIds,\n    styledComponentId,\n    target,\n  } = forwardedComponent;\n\n  useDebugValue(styledComponentId);\n\n  // NOTE: the non-hooks version only subscribes to this when !componentStyle.isStatic,\n  // but that'd be against the rules-of-hooks. We could be naughty and do it anyway as it\n  // should be an immutable value, but behave for now.\n  const theme = determineTheme(props, useContext(ThemeContext), defaultProps) || EMPTY_OBJECT;\n\n  const [context, attrs] = useResolvedAttrs(theme, props, componentAttrs);\n\n  const generatedClassName = useInjectedStyle(\n    componentStyle,\n    componentAttrs.length > 0,\n    context,\n    process.env.NODE_ENV !== 'production' ? forwardedComponent.warnTooManyClasses : undefined\n  );\n\n  const refToForward = forwardedRef;\n\n  const elementToBeCreated: Target = props.as || attrs.as || target;\n\n  const isTargetTag = isTag(elementToBeCreated);\n  const computedProps = attrs !== props ? { ...attrs, ...props } : props;\n  const shouldFilterProps = isTargetTag || 'as' in computedProps || 'forwardedAs' in computedProps;\n  const propsForElement = shouldFilterProps ? {} : { ...computedProps };\n\n  if (shouldFilterProps) {\n    // eslint-disable-next-line guard-for-in\n    for (const key in computedProps) {\n      if (key === 'forwardedAs') {\n        propsForElement.as = computedProps[key];\n      } else if (key !== 'as' && key !== 'forwardedAs' && (!isTargetTag || validAttr(key))) {\n        // Don't pass through non HTML tags through to HTML elements\n        propsForElement[key] = computedProps[key];\n      }\n    }\n  }\n\n  if (props.style && attrs.style !== props.style) {\n    propsForElement.style = { ...attrs.style, ...props.style };\n  }\n\n  propsForElement.className = Array.prototype\n    .concat(\n      foldedComponentIds,\n      styledComponentId,\n      generatedClassName !== styledComponentId ? generatedClassName : null,\n      props.className,\n      attrs.className\n    )\n    .filter(Boolean)\n    .join(' ');\n\n  propsForElement.ref = refToForward;\n\n  return createElement(elementToBeCreated, propsForElement);\n}\n\nexport default function createStyledComponent(\n  target: Target | StyledComponentWrapper<*, *>,\n  options: Object,\n  rules: RuleSet\n) {\n  const isTargetStyledComp = isStyledComponent(target);\n  const isCompositeComponent = !isTag(target);\n\n  const {\n    displayName = generateDisplayName(target),\n    componentId = generateId(options.displayName, options.parentComponentId),\n    attrs = EMPTY_ARRAY,\n  } = options;\n\n  const styledComponentId =\n    options.displayName && options.componentId\n      ? `${escape(options.displayName)}-${options.componentId}`\n      : options.componentId || componentId;\n\n  // fold the underlying StyledComponent attrs up (implicit extend)\n  const finalAttrs =\n    // $FlowFixMe\n    isTargetStyledComp && target.attrs\n      ? Array.prototype.concat(target.attrs, attrs).filter(Boolean)\n      : attrs;\n\n  const componentStyle = new ComponentStyle(\n    isTargetStyledComp\n      ? // fold the underlying StyledComponent rules up (implicit extend)\n        // $FlowFixMe\n        target.componentStyle.rules.concat(rules)\n      : rules,\n    styledComponentId\n  );\n\n  /**\n   * forwardRef creates a new interim component, which we'll take advantage of\n   * instead of extending ParentComponent to create _another_ interim class\n   */\n  let WrappedStyledComponent;\n\n  // eslint-disable-next-line react-hooks/rules-of-hooks\n  const forwardRef = (props, ref) => useStyledComponentImpl(WrappedStyledComponent, props, ref);\n\n  forwardRef.displayName = displayName;\n\n  // $FlowFixMe this is a forced cast to merge it StyledComponentWrapperProperties\n  WrappedStyledComponent = (React.forwardRef(forwardRef): StyledComponentWrapper<*, *>);\n\n  WrappedStyledComponent.attrs = finalAttrs;\n  WrappedStyledComponent.componentStyle = componentStyle;\n  WrappedStyledComponent.displayName = displayName;\n\n  // this static is used to preserve the cascade of static classes for component selector\n  // purposes; this is especially important with usage of the css prop\n  WrappedStyledComponent.foldedComponentIds = isTargetStyledComp\n    ? // $FlowFixMe\n      Array.prototype.concat(target.foldedComponentIds, target.styledComponentId)\n    : EMPTY_ARRAY;\n\n  WrappedStyledComponent.styledComponentId = styledComponentId;\n\n  // fold the underlying StyledComponent target up since we folded the styles\n  WrappedStyledComponent.target = isTargetStyledComp\n    ? // $FlowFixMe\n      target.target\n    : target;\n\n  // $FlowFixMe\n  WrappedStyledComponent.withComponent = function withComponent(tag: Target) {\n    const { componentId: previousComponentId, ...optionsToCopy } = options;\n\n    const newComponentId =\n      previousComponentId &&\n      `${previousComponentId}-${isTag(tag) ? tag : escape(getComponentName(tag))}`;\n\n    const newOptions = {\n      ...optionsToCopy,\n      attrs: finalAttrs,\n      componentId: newComponentId,\n    };\n\n    return createStyledComponent(tag, newOptions, rules);\n  };\n\n  // $FlowFixMe\n  Object.defineProperty(WrappedStyledComponent, 'defaultProps', {\n    get() {\n      return this._foldedDefaultProps;\n    },\n\n    set(obj) {\n      // $FlowFixMe\n      this._foldedDefaultProps = isTargetStyledComp ? merge(target.defaultProps, obj) : obj;\n    },\n  });\n\n  if (process.env.NODE_ENV !== 'production') {\n    WrappedStyledComponent.warnTooManyClasses = createWarnTooManyClasses(displayName);\n  }\n\n  // $FlowFixMe\n  WrappedStyledComponent.toString = () => `.${WrappedStyledComponent.styledComponentId}`;\n\n  if (isCompositeComponent) {\n    hoist(WrappedStyledComponent, target, {\n      // all SC-specific things should not be hoisted\n      attrs: true,\n      componentStyle: true,\n      displayName: true,\n      foldedComponentIds: true,\n      self: true,\n      styledComponentId: true,\n      target: true,\n      withComponent: true,\n    });\n  }\n\n  return WrappedStyledComponent;\n}\n"],"names":["nodes","insertRule","add","React","shouldFilterProps","isCompositeComponent"],"mappings":"moXAsF0BA,gHAgBxBC,WAAA,8pEC3EA,ydAwCuBC,i9FC9D4B,q9DC4DzCC,8zRCuEcC,wVAwClBC"}