{
  "version": 3,
  "sources": ["../src/index.ts", "../src/catch-links.ts", "../src/single-page.ts"],
  "sourcesContent": ["import { CatchLinks } from './catch-links.js'\nimport { type PushFunction, singlePage } from './single-page.js'\n\nexport interface Listener {\n    (href:string, data:{ scrollX:number, scrollY:number, popstate:boolean }):void;\n}\n\n/**\n * Routes\n * @param {} opts\n * @returns A function that takes a callback for route change events, and has\n * a property to set the route.\n */\nexport function Route (opts:{\n    el?:HTMLElement;\n    handleAnchor?:boolean|((href:string)=>boolean),\n    handleLink?:(href:string)=>boolean,\n    init?:boolean\n} = {}):{\n    (cb:Listener):()=>void;\n    setRoute:PushFunction;\n} {\n    let listeners:Listener[] = []\n    const init = opts.init\n    const el = opts.el || document?.body\n    if (!el) throw new Error('Not document')\n\n    const listen = function listen (cb:Listener) {\n        listeners.push(cb)\n\n        return function unlisten () {\n            listeners = listeners.filter(listener => {\n                return listener !== cb\n            })\n        }\n    }\n\n    const setRoute = singlePage((href, eventData) => {\n        listeners.forEach(function (cb) {\n            cb(href, eventData)\n        })\n    }, { init })\n\n    CatchLinks(el, setRoute, {\n        handleAnchor: opts.handleAnchor,\n        handleLink: opts.handleLink\n    })\n\n    const _setRoute:PushFunction = function (href:string) {\n        setRoute(href)\n    }\n\n    _setRoute.push = function (href:string):void {\n        setRoute.push(href)\n    }\n\n    _setRoute.show = function (href) {\n        setRoute.show(href)\n    }\n\n    _setRoute.page = setRoute.page\n\n    listen.setRoute = _setRoute\n\n    return listen\n}\n\nexport default Route\n", "/**\n * Callback on any link click that is local to the server.\n *\n * @param {HTMLElement} root The root element to listen on.\n * @param {(href:string)=>void} cb The function to call on link click.\n */\nexport function CatchLinks (\n    root:HTMLElement,\n    cb:(href:string) => void,\n    opts:{\n        handleAnchor?:boolean|((href:string)=>boolean),\n        handleLink?:(href:string)=>boolean,\n    } = {},\n):()=>void {\n    root.addEventListener('click', onClick)\n\n    function onClick (ev:MouseEvent) {\n        // if command click, do nothing\n        if (ev.altKey || ev.ctrlKey || ev.metaKey || ev.shiftKey ||\n            ev.defaultPrevented) {\n            return true\n        }\n\n        let anchor:null|HTMLElement = null\n        for (\n            let n = (ev.target as HTMLElement|null);\n            n && n.parentNode;\n            n = n.parentElement\n        ) {\n            if (n!.nodeName === 'A') {\n                anchor = n\n                break\n            }\n        }\n\n        // if not a link click, do nothing\n        if (!anchor) return true\n\n        const url = new URL(anchor.getAttribute('href')!, location.origin)\n        const urlPath = url.pathname + url.search\n\n        // if not local, do nothing\n        if (url.host !== location.host) return true\n\n        // if we were given a function to check, call it\n        if (opts.handleLink) {\n            if (!opts.handleLink(urlPath)) return\n        }\n\n        const handleAnchor = opts.handleAnchor === undefined ? true : opts.handleAnchor\n\n        // else, handle the click\n        if (url.href.includes('#')) {\n            if (typeof handleAnchor === 'function') {\n                // do we want to handle this?\n                const handle = handleAnchor(url.href)\n                if (handle) {\n                    ev.preventDefault()\n                    cb(resolve(location.pathname, urlPath || '') +\n                        (url.hash || ''))\n                    return false\n                }\n            } else {\n                if (handleAnchor) {\n                    ev.preventDefault()\n                    cb(resolve(location.pathname, urlPath || '') +\n                        (url.hash || ''))\n                    return false\n                }\n            }\n        } else {\n            ev.preventDefault()\n            cb(resolve(location.pathname, urlPath || '') + (url.hash || ''))\n            return false\n        }\n    }\n\n    return function unlisten () {\n        root.removeEventListener('click', onClick)\n    }\n}\n\nCatchLinks.resolve = resolve\n\nexport default CatchLinks\n\n/**\n * Resolve a local link to a full local path.\n *\n * @param {string} from\n * @param {string} to\n */\nexport function resolve (from:string, to:string):string {\n    const isRelative = (to.charAt(0) !== '/')\n    if (!isRelative) return to\n\n    const fromArr = from.split('/')\n        .map(path => path.replaceAll('/', ''))\n        .filter(Boolean)\n    const toArr = to.split('/').map(path => path.replaceAll('/', ''))\n\n    const str = fromArr.concat(toArr).join('/')\n    return str.charAt(0) === '/' ? str : '/' + str\n}\n", "export interface RouteEventData {\n    scrollX:number;\n    scrollY:number;\n    popstate:boolean;\n}\n\nclass Page {\n    current:string|null = null\n    hasPushState:boolean|typeof window.history.pushState = false\n    scroll = {}\n    cb:((href:string, data:RouteEventData)=>void)|null = null\n    handleAnchor:boolean|((newPath:string)=>boolean) = true\n\n    constructor (\n        cb:(href:string, data:RouteEventData) => void,\n        opts:{\n            pushState?: typeof history.pushState\n            handleAnchor?:boolean|((newPath:string)=>boolean)\n        } = { pushState: undefined }\n    ) {\n        this.hasPushState = (opts.pushState !== undefined ?\n            opts.pushState :\n            (window.history && window.history.pushState)\n        )\n\n        if (typeof opts.handleAnchor === 'function') {\n            this.handleAnchor = opts.handleAnchor\n        }\n\n        this.cb = cb\n    }\n\n    show (href:string, opts = { popstate: false }) {\n        href = href.replace(/^\\/+/, '/')\n\n        this.saveScroll()\n        this.current = href\n\n        const scroll = this.scroll[href]\n        this.pushHref(href)\n\n        this.cb && this.cb(href, {\n            popstate: opts.popstate,\n            scrollX: (scroll && scroll[0]) || 0,\n            scrollY: (scroll && scroll[1]) || 0\n        })\n    }\n\n    saveScroll () {\n        if (this.scroll && this.current) {\n            this.scroll[this.current] = [window.scrollX, window.scrollY]\n        }\n    };\n\n    pushHref (href:string) {\n        this.current = href\n        const mismatched = getPath() !== href\n        let handleThis = true\n\n        if (href.includes('#')) {\n            handleThis = (typeof this.handleAnchor === 'function' ?\n                this.handleAnchor(href) :\n                this.handleAnchor)\n        }\n\n        if (mismatched && handleThis) {\n            window.history.pushState(null, '', href)\n        }\n    }\n\n    push (href:string) {\n        href = href.replace(/^\\/+/, '/')\n        this.saveScroll()\n        this.pushHref(href)\n    }\n}\n\nfunction getPath () {\n    return window.location.pathname\n        + (window.location.search || '')\n        + (window.location.hash || '')\n}\n\nexport default singlePage\n\nexport interface PushFunction {\n    (href:string):void;\n    push:(href:string) => void;\n    show:(href:string) => void;\n    page:InstanceType<typeof Page>;\n}\n\nexport function singlePage (\n    cb:((href:string, data:RouteEventData)=>void),\n    opts?:{\n        pushState?:typeof history.pushState;\n        handleAnchor?:boolean|((newPath:string)=>boolean);\n        init?:boolean  // default true\n    }\n):PushFunction {\n    const page = new Page(cb, opts)\n    window.addEventListener('popstate', onpopstate)\n\n    const init = opts?.init === undefined ? true : opts.init\n\n    function onpopstate () {\n        const href = getPath()\n        page.show(href, { popstate: true })\n    }\n\n    if (init) {\n        setTimeout(onpopstate, 0)  // trigger an event right away, on page load\n    }\n\n    const setRoute:PushFunction = function (href:string) {\n        return page.show(href)\n    }\n    setRoute.push = function (href:string) {\n        return page.push(href)\n    }\n    setRoute.show = function (href) { return page.show(href) }\n    setRoute.page = page\n\n    return setRoute\n}\n"],
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}