\n * ## Schemas description.\n *\n * @module core/schemas\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { ISchemaAttribute } from '../defs';\n\n/**\n * See [[ISchemaAttribute]]\n */\nexport const schemaAttribute: ISchemaAttribute = {\n container: 'container',\n history: 'history',\n namespace: 'namespace',\n prefix: 'data-barba',\n prevent: 'prevent',\n wrapper: 'wrapper',\n};\n", "/**\n * @barba/core/utils/dom\n *
\n * ## Dom utils\n *\n * - Access DOM contents\n * - DOM vs string conversions\n *\n * @module core/utils/dom\n * @preferred\n */\n\n/***/\n\nimport path from 'path';\n\n// Definitions\nimport { ISchemaAttribute, Link, Scope, Wrapper } from '../defs';\n// Schemas\nimport { schemaAttribute } from '../schemas/attribute';\n\nexport class Dom {\n private _attr: ISchemaAttribute = schemaAttribute;\n private _parser: DOMParser = new DOMParser();\n\n /**\n * Convert HTMLDocument to string.\n */\n public toString(el: HTMLElement): string {\n return el.outerHTML;\n }\n\n /**\n * Parse HTML string to HTMLDocument.\n */\n // see https://github.com/barbajs/barba/issues/362\n // Seems that using DOMParser.parseFromString causes this issue.\n public toDocument(htmlString: string): HTMLDocument {\n return this._parser.parseFromString(htmlString, 'text/html');\n }\n\n /**\n * Parse HTML string to DIVElement.\n *\n * DOMParser.parseFromString fails with img[srcset] on iOS.\n * see https://github.com/barbajs/barba/issues/362\n */\n public toElement(htmlString: string): HTMLDivElement {\n const div = document.createElement('div');\n\n div.innerHTML = htmlString;\n return div;\n }\n\n /**\n * Get HTML content.\n */\n public getHtml(doc: HTMLDocument = document): string {\n return this.toString(doc.documentElement);\n }\n\n /**\n * Get full document content.\n */\n // getDocument(el = document.documentElement) {\n // return this.toStr(el);\n // },\n\n /**\n * Get `[data-barba=\"wrapper\"]`.\n */\n public getWrapper(scope: Scope = document): Wrapper {\n return scope.querySelector(\n `[${this._attr.prefix}=\"${this._attr.wrapper}\"]`\n );\n }\n\n /**\n * Get `[data-barba=\"container\"]`.\n */\n public getContainer(scope: Scope = document): HTMLElement | null {\n return scope.querySelector(\n `[${this._attr.prefix}=\"${this._attr.container}\"]`\n );\n }\n\n /**\n * Remove container and store next sibling (if applicable).\n */\n public removeContainer(container: HTMLElement) {\n if (document.body.contains(container)) {\n container.parentNode.removeChild(container);\n }\n }\n\n /**\n * Add container before next sibling or at the end of the wrapper.\n */\n public addContainer(container: HTMLElement, wrapper: HTMLElement) {\n const existingContainer = this.getContainer();\n\n if (existingContainer) {\n this._insertAfter(container, existingContainer);\n } else {\n wrapper.appendChild(container);\n }\n }\n\n /**\n * Get `[data-barba-namespace]`.\n */\n public getNamespace(scope: Scope = document): string | null {\n const ns = scope.querySelector(\n `[${this._attr.prefix}-${this._attr.namespace}]`\n );\n\n return ns\n ? ns.getAttribute(`${this._attr.prefix}-${this._attr.namespace}`)\n : null;\n }\n\n /**\n * Get URL from `href` value.\n */\n public getHref(el: Link): string | null {\n // HTML tagName is UPPERCASE, xhtml tagName keeps existing case.\n if (el.tagName && el.tagName.toLowerCase() === 'a') {\n // HTMLAnchorElement, full URL available\n if (typeof el.href === 'string') {\n return el.href;\n }\n\n // Probably a SVGAElement\u2026\n const href = el.getAttribute('href') || el.getAttribute('xlink:href');\n\n /* istanbul ignore else */\n if (href) {\n // When link comes from SVG, `href` returns an object, not a string.\n const attr: string =\n ((href as unknown) as SVGAnimatedString).baseVal || href;\n\n return this.resolveUrl(attr);\n }\n }\n return null;\n }\n\n // Copyright 2014 Simon Lydell\n // X11 (\u201CMIT\u201D) Licensed. (See LICENSE\n // https://github.com/lydell/resolve-url/blob/master/resolve-url.js\n /* istanbul ignore next */\n public resolveUrl(...urls: string[]) {\n const numUrls = urls.length;\n\n if (numUrls === 0) {\n throw new Error('resolveUrl requires at least one argument; got none.');\n }\n\n const base = document.createElement('base');\n base.href = arguments[0];\n\n if (numUrls === 1) {\n return base.href;\n }\n\n const head = document.getElementsByTagName('head')[0];\n head.insertBefore(base, head.firstChild);\n\n const a = document.createElement('a');\n let resolved;\n\n for (let index = 1; index < numUrls; index++) {\n a.href = arguments[index];\n resolved = a.href;\n base.href = resolved;\n }\n\n head.removeChild(base);\n\n return resolved;\n }\n\n /**\n * Insert node after another node.\n */\n private _insertAfter(newNode: Node, referenceNode: Node) {\n referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);\n }\n}\n\nconst dom = new Dom();\n\nexport { dom };\n", "import { HistoryAction, LinkEvent, Trigger } from '../defs';\n// Schemas\nimport { schemaAttribute } from '../schemas/attribute';\n\n/**\n * @barba/core/utils/history\n *
\n * ## History manager.\n *\n * - Keep track of the navigation history\n *\n * @module core/utils/history\n * @preferred\n */\n\n/**\n * State item.\n *\n * @property from\n * @property index\n */\ninterface IHistoryItem {\n /** origin */\n from: string;\n /** index */\n index: number;\n /** states */\n states: IStateItem[];\n}\n\n/***/\ninterface ICoords {\n x: number;\n y: number;\n}\n\n/**\n * History item.\n *\n * @property namespace\n * @property scroll\n * @property URL\n */\ninterface IStateItem {\n /** namespace */\n ns: string | undefined;\n /** Scroll position */\n scroll: ICoords;\n /** URL */\n url: string;\n}\n\nexport class History {\n private _session: string;\n private _states: IStateItem[] = [];\n private _pointer = -1;\n\n /**\n * Init with first state.\n */\n public init(url: string, ns: string): void {\n this._session = 'barba';\n const index = 0;\n\n const state: IStateItem = {\n ns,\n scroll: {\n x: window.scrollX,\n y: window.scrollY,\n },\n url,\n };\n\n this._states.push(state);\n this._pointer = index;\n\n const item: IHistoryItem = {\n from: this._session,\n index,\n states: [...this._states],\n };\n\n window.history && window.history.replaceState(item, '', url);\n }\n\n public change(\n url: string,\n trigger: Trigger,\n e?: LinkEvent | PopStateEvent\n ): Trigger {\n if (e && (e as PopStateEvent).state) {\n // If popstate, move to existing state\n // and get back/forward direction.\n const { state }: { state: IHistoryItem } = e as PopStateEvent;\n const { index } = state;\n const diff = this._pointer - index;\n\n trigger = this._getDirection(diff);\n\n // Work with previous states\n this.replace(state.states);\n this._pointer = index;\n } else {\n // Add new state\n this.add(url, trigger);\n }\n\n return trigger;\n }\n\n /**\n * Add a new state.\n */\n public add(url: string, trigger: Trigger): void {\n // If no state, it will be updated later.\n const ns = 'tmp';\n const index = this.size;\n const action = this._getAction(trigger);\n const state: IStateItem = {\n ns,\n scroll: {\n x: window.scrollX,\n y: window.scrollY,\n },\n url,\n };\n\n this._states.push(state);\n this._pointer = index;\n\n const item: IHistoryItem = {\n from: this._session,\n index,\n states: [...this._states],\n };\n\n switch (action) {\n case 'push':\n window.history && window.history.pushState(item, '', url);\n break;\n case 'replace':\n window.history && window.history.replaceState(item, '', url);\n break;\n /* istanbul ignore next */\n default:\n }\n }\n\n /**\n * Update state.\n */\n public update(data: any, i?: number): void {\n const index = i || this._pointer;\n const existing = this.get(index);\n const state: IStateItem = {\n ...existing,\n ...data,\n };\n\n this.set(index, state);\n }\n\n /**\n * Remove last state.\n */\n public remove(i?: number): void {\n if (i) {\n this._states.splice(i, 1);\n } else {\n this._states.pop();\n }\n\n this._pointer--;\n }\n\n /**\n * Delete all states.\n */\n public clear(): void {\n this._states = [];\n this._pointer = -1;\n }\n\n /**\n * Replace all states.\n */\n public replace(newStates: IStateItem[]): void {\n this._states = newStates;\n }\n\n /**\n * Get state by index.\n */\n public get(index: number) {\n return this._states[index];\n }\n\n /**\n * Set state by index.\n */\n public set(i: number, state: IStateItem) {\n return (this._states[i] = state);\n }\n\n /**\n * Get the current state.\n */\n get current(): IStateItem {\n return this._states[this._pointer];\n }\n\n /**\n * Get the last state (top of the history stack).\n */\n get state(): IStateItem {\n return this._states[this._states.length - 1];\n }\n\n /**\n * Get the previous state.\n */\n get previous(): IStateItem | null {\n return this._pointer < 1 ? null : this._states[this._pointer - 1];\n }\n\n /**\n * Get the state size.\n */\n get size(): number {\n return this._states.length;\n }\n\n /**\n * Get the history action: push vs replace\n */\n private _getAction(trigger: Trigger): HistoryAction {\n let action: HistoryAction = 'push';\n\n // Manage `data-barba-history` attribute\n // to get the right action (push vs replace).\n const el = trigger as HTMLAnchorElement;\n const attr = `${schemaAttribute.prefix}-${schemaAttribute.history}`;\n\n if (el.hasAttribute && el.hasAttribute(attr)) {\n action = el.getAttribute(attr) as HistoryAction;\n }\n\n return action;\n }\n\n /**\n * Get the direction of popstate change\n */\n private _getDirection(diff: number): Trigger {\n // Check if \"session switch\"\n if (Math.abs(diff) > 1) {\n // Ex 6-0 > 0 -> forward, 0-6 < 0 -> back\n return diff > 0 ? 'forward' : 'back';\n } else {\n if (diff === 0) {\n return 'popstate';\n } else {\n // Ex 6-5 > 0 -> back, 5-6 < 0 -> forward\n return diff > 0 ? 'back' : 'forward';\n }\n }\n }\n}\n\nconst history = new History();\n\nexport { history };\n", "/**\n * @barba/core/utils/helpers\n *
\n * ## Helpers\n *\n * - Update next page data\n *\n * @module core/utils/helpers\n * @preferred\n */\n\n/***/\n\n// Third-party\nimport ptr from 'path-to-regexp';\n// Definitions\nimport { ITransitionData } from '../defs';\n// Utils\nimport { dom } from './dom';\nimport { history } from './history';\n\n/**\n * Update `data.next`, the title and the history\n */\nexport const update = async (\n page: Promise
\n * ## URL utils.\n *\n * - Collect and structure informations from URLs\n *\n * @module core/utils/url\n */\n\n/***/\n\n// Definitions\nimport { IGenericObject, IUrlBase } from '../defs';\n\n/**\n * Get location href.\n */\nexport const getHref = () => window.location.href;\n\n/**\n * Get location origin.\n */\nexport const getOrigin = () => window.location.origin;\n\n/**\n * Get port based on URL or location.\n */\nexport const getPort = (url: string = window.location.href) => parse(url).port;\n\n/**\n * Get path from URL.\n */\nexport const getPath = (url: string = window.location.href) => parse(url).path;\n\n/**\n * Get query object from URL.\n */\n// export const getQuery = (url: string): IGenericObject => parse(url).query;\n\n/**\n * Get hash from URL.\n */\n// export const getHash = (url: string): string => parse(url).hash;\n\n/**\n * Parse URL for path, query and hash and more.\n */\nexport const parse = (url: string): IUrlBase => {\n // Port\n let port;\n const matches = url.match(/:\\d+/);\n\n if (matches === null) {\n if (/^http/.test(url)) {\n port = 80;\n }\n\n if (/^https/.test(url)) {\n port = 443;\n }\n } else {\n const portString = matches[0].substring(1);\n\n port = parseInt(portString, 10);\n }\n\n // Path\n let path = url.replace(getOrigin(), '');\n let hash;\n let query = {};\n\n // Hash\n const hashIndex = path.indexOf('#');\n\n if (hashIndex >= 0) {\n hash = path.slice(hashIndex + 1);\n path = path.slice(0, hashIndex);\n }\n\n // Query\n const queryIndex = path.indexOf('?');\n\n if (queryIndex >= 0) {\n query = parseQuery(path.slice(queryIndex + 1));\n path = path.slice(0, queryIndex);\n }\n\n return {\n hash,\n path,\n port,\n query,\n };\n};\n\n/**\n * Parse a query string to object.\n */\nexport const parseQuery = (str: string) =>\n str.split('&').reduce((acc: IGenericObject, el: string) => {\n const [key, value] = el.split('=');\n\n acc[key] = value;\n\n return acc;\n }, {});\n\n/**\n * Clean URL, remove \"hash\" and/or \"trailing slash\".\n */\nexport const clean = (url: string = window.location.href) =>\n url.replace(/(\\/#.*|\\/|#.*)$/, '');\n", "/**\n * @barba/core/utils/request\n *
\n * ## Fetch pages for transitions.\n *\n * - Includes timeout\n * - Uses Fetch API\n * - Handles errors\n *\n * @module core/utils/request\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { RequestError } from '../defs';\n\n/**\n * Init a page request.\n * Fetch the page and returns a promise with the text content.\n */\nfunction request(\n url: string,\n ttl: number = 2e3,\n requestError: RequestError\n): Promise
\n * ## Hooks manager.\n *\n * - Register and trigger hooks\n *\n * Hooks can be easily registered:\n *\n * ```js\n * hooks.leave(callback, context);\n * ```\n *\n * @module core/modules/hooks\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { HookFunction, HookMethods, HooksAll } from './defs';\n// Modules\nimport { Logger } from './modules/Logger';\n// Utils\nimport { runAsync } from './utils';\n// Types\ninterface IHookInfos {\n ctx: any;\n fn: HookFunction;\n}\n\nexport class Hooks extends HookMethods {\n /**\n * Allow the use of `hooks[name](cb, ctx)`.\n */\n [key: string]: any;\n // [key in HooksAll]?: any;\n public logger: Logger = new Logger('@barba/core');\n /**\n * All available hooks.\n *\n * See [[HooksAll]]\n */\n // TODO: get hooks from defs (DRY)?\n public all: HooksAll[] = [\n 'ready',\n 'page',\n 'reset',\n 'currentAdded',\n 'currentRemoved',\n 'nextAdded',\n 'nextRemoved',\n 'beforeOnce',\n 'once',\n 'afterOnce',\n 'before',\n 'beforeLeave',\n 'leave',\n 'afterLeave',\n 'beforeEnter',\n 'enter',\n 'afterEnter',\n 'after',\n ];\n /**\n * Registered hooks.\n *\n * - Unique hook name\n * - Associated data set(s) (callback + context)\n */\n public registered: Map
\n * ## Manage ignore options.\n *\n * - cache\n * - prefetch\n *\n * @module core/modules/ignore\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { IgnoreOption } from '../defs';\n// Utils\nimport { pathToRegexp } from '../utils/helpers';\nimport { parse } from '../utils/url';\n\nexport class Ignore {\n private _ignoreAll: boolean;\n private _ignoreRegexes: RegExp[] = [];\n\n constructor(ignore: IgnoreOption) {\n if (typeof ignore === 'boolean') {\n this._ignoreAll = ignore;\n } else {\n const paths = Array.isArray(ignore) ? ignore : [ignore];\n\n this._ignoreRegexes = paths.map(p => pathToRegexp(p));\n }\n }\n\n public checkHref(href: string): boolean {\n if (typeof this._ignoreAll === 'boolean') {\n return this._ignoreAll;\n }\n\n const { path } = parse(href);\n\n return this._ignoreRegexes.some(regex => regex.exec(path) !== null);\n }\n}\n", "/**\n * @barba/core/modules/cache\n *
\n * ## Cache for storing URL / HTML.\n *\n * @module core/modules/cache\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { CacheAction, CacheRequest, ICacheData, IgnoreOption } from '../defs';\n// Modules\nimport { Ignore } from './Ignore';\n\nexport class Cache extends Ignore {\n private _state: Map
\n * ## Prevent checks.\n *\n * - Gathers all the tests that allow Barba to work and play transitions\n *\n * @module core/modules/prevent\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { IgnoreOption, Link, PreventCheck } from '../defs';\n// Schemas\nimport { schemaAttribute } from '../schemas/attribute';\n// Utils\nimport { url } from '../utils';\n// Modules\nimport { Ignore } from './Ignore';\n\n/**\n * Make sure the browser supports `history.pushState`.\n */\nconst pushState: PreventCheck = () => !window.history.pushState;\n\n/**\n * Make sure there is an `el` and `href`.\n */\nconst exists: PreventCheck = ({ el, href }) => !el || !href;\n\n/**\n * If the user is pressing ctrl + click, the browser will open a new tab.\n */\nconst newTab: PreventCheck = ({ event }) =>\n (event as KeyboardEvent).which > 1 ||\n (event as KeyboardEvent).metaKey ||\n (event as KeyboardEvent).ctrlKey ||\n (event as KeyboardEvent).shiftKey ||\n (event as KeyboardEvent).altKey;\n\n/**\n * If the link has `_blank` target.\n */\nconst blank: PreventCheck = ({ el }) =>\n el.hasAttribute('target') && (el as Link).target === '_blank';\n\n/**\n * If the domain is the same (in order to avoid pushState cross origin security problem).\n * Note: SVGAElement do not have `protocol` neither `hostname` properties.\n */\nconst corsDomain: PreventCheck = ({ el }) =>\n ((el as HTMLAnchorElement).protocol !== undefined &&\n window.location.protocol !== (el as HTMLAnchorElement).protocol) ||\n ((el as HTMLAnchorElement).hostname !== undefined &&\n window.location.hostname !== (el as HTMLAnchorElement).hostname);\n\n/**\n * If the port is the same.\n * Note: SVGAElement do not have `port` property.\n */\nconst corsPort: PreventCheck = ({ el }) =>\n (el as HTMLAnchorElement).port !== undefined &&\n url.getPort() !== url.getPort((el as HTMLAnchorElement).href);\n\n/**\n * If the link has download attribute.\n */\nconst download: PreventCheck = ({ el }) =>\n el.getAttribute && typeof el.getAttribute('download') === 'string';\n\n/**\n * If the links contains [data-barba-prevent] or [data-barba-prevent=\"self\"].\n */\nconst preventSelf: PreventCheck = ({ el }) =>\n el.hasAttribute(`${schemaAttribute.prefix}-${schemaAttribute.prevent}`);\n\n/**\n * If some link ancestor contains [data-barba-prevent=\"all\"].\n */\nconst preventAll: PreventCheck = ({ el }) =>\n Boolean(\n el.closest(`[${schemaAttribute.prefix}-${schemaAttribute.prevent}=\"all\"]`)\n );\n\n/**\n * If the link is the current URL.\n *\n * > Not in the test suite.\n */\nconst sameUrl: PreventCheck = ({ href }) =>\n url.clean(href) === url.clean() && url.getPort(href) === url.getPort();\n\nexport class Prevent extends Ignore {\n public suite: string[] = [];\n public tests: Map
\n * ## Transitions store.\n *\n * - Resolve transition\n * - Manage rules\n *\n * @module core/modules/store\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport {\n IRule,\n IRules,\n ITransitionData,\n ITransitionFilters,\n ITransitionOnce,\n ITransitionPage,\n RuleName,\n} from '../defs';\n\n// Modules\nimport { Logger } from './Logger';\n\nexport class Store {\n public logger: Logger = new Logger('@barba/core');\n /**\n * All registered transitions.\n */\n public all: ITransitionPage[] = [];\n /**\n * \"Page only\" registered transitions.\n */\n public page: ITransitionPage[] = [];\n /**\n * \"Once only\" registered transitions.\n */\n public once: ITransitionOnce[] = [];\n /**\n * Rules for transition resolution.\n *\n * Defaults:\n *\n * - namespace\n * - custom\n */\n private _rules: IRule[] = [\n {\n name: 'namespace',\n type: 'strings',\n },\n {\n name: 'custom',\n type: 'function',\n },\n ];\n\n /**\n * Init store.\n */\n constructor(transitions: ITransitionPage[] = []) {\n /* istanbul ignore else */\n if (transitions) {\n // TODO: add check for valid transitions? criteria? (once || enter && leave)\n this.all = this.all.concat(transitions);\n }\n this.update();\n }\n\n /**\n * Add rule or transition.\n */\n public add(type: 'rule' | 'transition', data: any): void {\n switch (type) {\n case 'rule':\n // TODO: check for valid rule\n this._rules.splice(data.position || 0, 0, data.value);\n break;\n case 'transition':\n default:\n // TODO: check for valid transition\n this.all.push(data);\n break;\n }\n\n this.update();\n }\n\n /**\n * Resolve transition.\n */\n public resolve(\n data: ITransitionData,\n filters: ITransitionFilters = {}\n ): ITransitionOnce | ITransitionPage {\n // Filter on \"once\"\n let transitions = filters.once ? this.once : this.page;\n\n // Filter on \"self\"\n if (filters.self) {\n transitions = transitions.filter(t => t.name && t.name === 'self');\n } else {\n transitions = transitions.filter(t => !t.name || t.name !== 'self');\n }\n\n // All matching transition infos\n const matching = new Map();\n\n // Active = first of valid transitions\n // sorted by directions (from/to, from || to, \u2026)\n const active = transitions.find(t => {\n let valid = true;\n const match = {};\n\n if (filters.self && t.name === 'self') {\n return true;\n }\n\n // Check rules\n this._rules.reverse().forEach(rule => {\n if (valid) {\n valid = this._check(t, rule, data, match);\n // From/to check\n if (t.from && t.to) {\n valid =\n this._check(t, rule, data, match, 'from') &&\n this._check(t, rule, data, match, 'to');\n }\n if (t.from && !t.to) {\n valid = this._check(t, rule, data, match, 'from');\n }\n if (!t.from && t.to) {\n valid = this._check(t, rule, data, match, 'to');\n }\n }\n });\n\n matching.set(t, match);\n\n return valid;\n });\n\n const activeMatch = matching.get(active);\n const transitionType = [];\n if (filters.once) {\n transitionType.push('once');\n } else {\n transitionType.push('page');\n }\n if (filters.self) {\n transitionType.push('self');\n }\n\n if (activeMatch) {\n // Log resolved transition\n const infos: any[] = [active];\n // Log if matching criteria\n Object.keys(activeMatch).length > 0 && infos.push(activeMatch);\n\n this.logger.info(\n `Transition found [${transitionType.join(',')}]`,\n ...infos\n );\n } else {\n this.logger.info(`No transition found [${transitionType.join(',')}]`);\n }\n\n return active;\n }\n\n /**\n * ### Update store.\n *\n * - Reorder transition by priorities\n * - Get wait indicator\n * - Get once transitions\n */\n public update(): void {\n // Reorder by priorities\n this.all = this.all\n .map(t => this._addPriority(t))\n .sort((a, b) => a.priority - b.priority)\n .reverse()\n .map(t => {\n delete t.priority;\n\n return t;\n });\n this.page = this.all.filter(\n t => t.leave !== undefined || t.enter !== undefined\n ) as ITransitionPage[];\n this.once = this.all.filter(t => t.once !== undefined) as ITransitionOnce[];\n }\n\n /**\n * ### Check if transition apply.\n *\n * Based on rule, page data and optional direction:\n *\n * 1. transition has no rule \"property\":\n * - always returns true\n * 2. transition has rule \"property\":\n * - \"strings\" should be present on both side (transition + page) and match\n * - \"function\" should return true\n */\n private _check(\n transition: ITransitionPage,\n rule: IRule,\n data: ITransitionData,\n match: any,\n direction?: 'from' | 'to'\n ): boolean {\n let isValid = true;\n let hasMatch = false;\n const t = transition;\n const { name, type } = rule;\n const strRule = name as IRules['strings'];\n const objRule = name as IRules['object'];\n const fnName = name as IRules['function'];\n const base = direction ? t[direction] : t; // = t || t.from || t.to\n const page = direction === 'to' ? data.next : data.current; // = current || next\n const exist = direction ? base && base[name] : base[name];\n\n // If transition rule exists\n if (exist) {\n switch (type) {\n case 'strings':\n default: {\n // Array support\n const names: string[] = Array.isArray(base[strRule])\n ? (base[strRule] as string[])\n : [base[strRule] as string];\n\n // For matching, prop should be present on both sides and match\n if (page[strRule] && names.indexOf(page[strRule]) !== -1) {\n hasMatch = true;\n }\n // If transition prop is different from current, not valid\n if (names.indexOf(page[strRule]) === -1) {\n isValid = false;\n }\n break;\n }\n\n case 'object': {\n // Array support\n const names: string[] = Array.isArray(base[objRule])\n ? (base[objRule] as string[])\n : [base[objRule] as string];\n\n // For matching, prop should be present on both sides and match\n if (page[objRule]) {\n if (\n page[objRule].name &&\n names.indexOf(page[objRule].name) !== -1\n ) {\n hasMatch = true;\n }\n // If transition prop is different from current, not valid\n if (names.indexOf(page[objRule].name) === -1) {\n isValid = false;\n }\n } else {\n isValid = false;\n }\n break;\n }\n\n case 'function':\n if (base[fnName](data)) {\n hasMatch = true;\n } else {\n isValid = false;\n }\n break;\n }\n\n if (hasMatch) {\n if (direction) {\n match[direction] = match[direction] || {};\n match[direction][name] = t[direction][name];\n } else {\n match[name] = t[name];\n }\n }\n }\n\n return isValid;\n }\n\n /**\n * ### Calculate transition priority.\n *\n * Based on:\n *\n * - rule \"position\" (index) give tens, hundreds, thousands, \u2026\n * - from/to properties give units (0, 1 or 2)\n */\n private _calculatePriority(\n t: ITransitionPage,\n ruleName: RuleName,\n ruleIndex: number\n ): number {\n let priority = 0;\n\n if (\n t[ruleName] ||\n (t.from && t.from[ruleName]) ||\n (t.to && t.to[ruleName])\n ) {\n priority += Math.pow(10, ruleIndex);\n\n if (t.from && t.from[ruleName]) {\n priority += 1;\n }\n if (t.to && t.to[ruleName]) {\n priority += 2;\n }\n }\n\n return priority;\n }\n\n private _addPriority(t: ITransitionPage): ITransitionPage {\n t.priority = 0;\n let priority = 0;\n\n this._rules.forEach((rule, i) => {\n const { name } = rule;\n const index = i + 1;\n\n priority += this._calculatePriority(t, name, index);\n });\n\n t.priority = priority;\n\n return t;\n }\n}\n", "/**\n * @barba/core/modules/transitions\n *
\n * ## Transitions manager.\n *\n * - Handle hooks and transition lifecycle\n *\n * @module core/modules/transitions\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport {\n HooksTransition,\n HooksTransitionMap,\n ITransitionData,\n ITransitionFilters,\n ITransitionOnce,\n ITransitionPage,\n Wrapper,\n} from '../defs';\n// Hooks\nimport { hooks } from '../hooks';\n// Utils\nimport { dom, helpers, runAsync } from '../utils';\n// Modules\nimport { BarbaError } from './Error';\nimport { Logger } from './Logger';\nimport { Store } from './Store';\n\nexport class Transitions {\n public logger: Logger = new Logger('@barba/core');\n public store: Store;\n private _running: boolean = false;\n\n constructor(transitions: ITransitionPage[] = []) {\n this.store = new Store(transitions);\n }\n\n /**\n * Get resolved transition\n *\n * - based on data\n */\n public get(\n data: ITransitionData,\n filters?: ITransitionFilters\n ): ITransitionOnce | ITransitionPage {\n return this.store.resolve(data, filters);\n }\n\n /**\n * Animation running status.\n */\n get isRunning(): boolean {\n return this._running;\n }\n set isRunning(status: boolean) {\n this._running = status;\n }\n\n /**\n * Check for registered once transition(s).\n */\n get hasOnce(): boolean {\n return this.store.once.length > 0;\n }\n\n /**\n * Check for registered self transition.\n */\n get hasSelf(): boolean {\n return this.store.all.some(t => t.name === 'self');\n }\n\n /**\n * ### Wait indicator.\n *\n * Tells Barba to get next page data
\n * before starting the resolution
\n * because some registered transitions need
\n * next page data to be resolved (eg: `sync: true`, `to: { namespace }`, \u2026)\n */\n get shouldWait(): boolean {\n return this.store.all.some(t => (t.to && !t.to.route) || t.sync);\n }\n\n /**\n * ### Do \"once\" transition.\n *\n * Hooks: see [[HooksOnce]].\n */\n public async doOnce({\n data,\n transition,\n }: {\n data: ITransitionData;\n transition: ITransitionOnce;\n }) {\n const t = transition || {};\n this._running = true;\n\n try {\n await this._doAsyncHook('beforeOnce', data, t);\n await this.once(data, t);\n await this._doAsyncHook('afterOnce', data, t);\n } catch (error) {\n this._running = false;\n\n this.logger.debug('Transition error [before/after/once]');\n this.logger.error(error);\n }\n\n this._running = false;\n }\n\n /**\n * ### Do \"page\" transition.\n *\n * Hooks: see [[HooksPage]].\n *\n * `sync: false` (default) order:\n *\n * 1. before\n * 2. beforeLeave\n * 3. leave\n * 4. afterLeave\n * 5. beforeEnter\n * 6. enter\n * 7. afterEnter\n * 8. after\n *\n * `sync: true` order:\n *\n * 1. before\n * 2. beforeLeave\n * 3. beforeEnter\n * 4. leave & enter\n * 5. afterLeave\n * 6. afterEnter\n * 7. after\n */\n public async doPage({\n data,\n transition,\n page,\n wrapper,\n }: {\n data: ITransitionData;\n transition: ITransitionPage;\n page: Promise
\n * ## Views manager.\n *\n * @module core/modules/views\n * @preferred\n */\n\n/***/\n\n// Definitions\nimport { HooksView, IView, IViewData } from '../defs';\n// Hooks\nimport { hooks } from '../hooks';\n// Utils\nimport { runAsync } from '../utils';\n// Types\ntype Hook = (data: IViewData) => Promise
\n * ## Barba core object\n *\n * Main methods:\n *\n * - `.init()` for initialization with options\n * - `.use()` for plugins\n *\n * @module core\n */\n\n/***/\n\nimport { version } from '../package.json';\n// Definitions\nimport {\n IBarbaOptions,\n IBarbaPlugin,\n IgnoreOption,\n ISchemaPage,\n ITransitionData,\n ITransitionOnce,\n ITransitionPage,\n Link,\n LinkEvent,\n RequestCustomError,\n RequestErrorOrResponse,\n SchemaAttributeValues,\n Trigger,\n Wrapper,\n} from './defs';\n// Hooks\nimport { hooks } from './hooks';\n// Modules\nimport { Cache } from './modules/Cache';\nimport { Logger } from './modules/Logger';\nimport { Prevent } from './modules/Prevent';\nimport { Transitions } from './modules/Transitions';\nimport { Views } from './modules/Views';\n// Polyfills\nimport './polyfills';\n// Schemas\nimport { schemaAttribute } from './schemas/attribute';\nimport { schemaPage } from './schemas/page';\n// Utils\nimport { dom, helpers, history, request, url } from './utils';\n\nexport class Core {\n /**\n * Version.\n */\n public version: string = version;\n /**\n * Schemas.\n */\n public schemaPage: ISchemaPage = schemaPage;\n /**\n * Logger class, allows plugins to create Logger.\n */\n public Logger: typeof Logger = Logger;\n /**\n * Barba logger.\n */\n public logger: Logger = new Logger('@barba/core');\n /**\n * Plugins.\n */\n public plugins: Array
\n * ## Barba prefetch.\n *\n * @module prefetch\n * @preferred\n */\n\nimport { IPrefetchOptions } from './defs';\n\n/***/\n\n// Definitions\nimport { Core } from '@barba/core/src/core';\nimport { IBarbaPlugin, Link } from '@barba/core/src/defs';\nimport { Logger } from '@barba/core/src/modules/Logger';\n\nimport { version } from '../package.json';\nimport { requestIdleCallback } from './polyfills';\n\nclass Prefetch implements IBarbaPlugin