| 1 | {"version":3,"sources":["../../../next-server/server/incremental-cache.ts"],"names":["toRoute","pathname","replace","IncrementalCache","constructor","max","dev","distDir","pagesDir","flushToDisk","locales","incrementalOptions","prerenderManifest","cache","version","routes","dynamicRoutes","notFoundRoutes","preview","JSON","parse","path","join","PRERENDER_MANIFEST","LRUCache","length","val","isNotFound","isRedirect","html","stringify","pageData","getSeedPath","ext","calculateRevalidate","curTime","Date","getTime","initialRevalidateSeconds","revalidateAfter","getFallback","page","promises","readFile","get","data","includes","set","_","isStale","manifestPath","manifestEntry","curRevalidate","revalidateSeconds","dataRoute","posix","srcRoute","seedPath","mkdir","dirname","recursive","writeFile","error","console","warn"],"mappings":"qEAAA,sBACA,8EACA,kDAEA,2CACA,wD,mFAEA,QAASA,CAAAA,OAAT,CAAiBC,QAAjB,CAA2C,CACzC,MAAOA,CAAAA,QAAQ,CAACC,OAAT,CAAiB,KAAjB,CAAwB,EAAxB,EAA4BA,OAA5B,CAAoC,UAApC,CAAgD,EAAhD,GAAuD,GAA9D,CACD,CAaM,KAAMC,CAAAA,gBAAiB,CAY5BC,WAAW,CAAC,CACVC,GADU,CAEVC,GAFU,CAGVC,OAHU,CAIVC,QAJU,CAKVC,WALU,CAMVC,OANU,CAAD,CAcR,MAzBHC,kBAyBG,aAlBHC,iBAkBG,aAjBHC,KAiBG,aAhBHH,OAgBG,QACD,KAAKC,kBAAL,CAA0B,CACxBL,GADwB,CAExBC,OAFwB,CAGxBC,QAHwB,CAIxBC,WAAW,CACT,CAACH,GAAD,GAAS,MAAOG,CAAAA,WAAP,GAAuB,WAAvB,CAAqCA,WAArC,CAAmD,IAA5D,CALsB,CAA1B,CAOA,KAAKC,OAAL,CAAeA,OAAf,CAEA,GAAIJ,GAAJ,CAAS,CACP,KAAKM,iBAAL,CAAyB,CACvBE,OAAO,CAAE,CAAC,CADa,CACH;AACpBC,MAAM,CAAE,EAFe,CAGvBC,aAAa,CAAE,EAHQ,CAIvBC,cAAc,CAAE,EAJO,CAKvBC,OAAO,CAAE,IAAa;AALC,CAAzB,CAOD,CARD,IAQO,CACL,KAAKN,iBAAL,CAAyBO,IAAI,CAACC,KAAL,CACvB,qBAAaC,cAAKC,IAAL,CAAUf,OAAV,CAAmBgB,6BAAnB,CAAb,CAAqD,MAArD,CADuB,CAAzB,CAGD,CAED,KAAKV,KAAL,CAAa,GAAIW,kBAAJ,CAAa,CACxB;AACAnB,GAAG,CAAEA,GAAG,EAAI,GAAK,IAAL,CAAY,IAFA,CAGxBoB,MAAM,CAACC,GAAD,CAAM,CACV,GAAIA,GAAG,CAACC,UAAJ,EAAkBD,GAAG,CAACE,UAA1B,CAAsC,MAAO,GAAP,CACtC;AACA,MAAOF,CAAAA,GAAG,CAACG,IAAJ,CAAUJ,MAAV,CAAmBN,IAAI,CAACW,SAAL,CAAeJ,GAAG,CAACK,QAAnB,EAA6BN,MAAvD,CACD,CAPuB,CAAb,CAAb,CASD,CAEOO,WAAR,CAAoB/B,QAApB,CAAsCgC,GAAtC,CAA2D,CACzD,MAAOZ,eAAKC,IAAL,CAAU,KAAKX,kBAAL,CAAwBH,QAAlC,CAA8C,GAAEP,QAAS,IAAGgC,GAAI,EAAhE,CAAP,CACD,CAEOC,mBAAR,CAA4BjC,QAA5B,CAA8D,CAC5DA,QAAQ,CAAGD,OAAO,CAACC,QAAD,CAAlB,CAEA;AACA;AACA,KAAMkC,CAAAA,OAAO,CAAG,GAAIC,CAAAA,IAAJ,GAAWC,OAAX,EAAhB,CACA,GAAI,KAAK1B,kBAAL,CAAwBL,GAA5B,CAAiC,MAAO6B,CAAAA,OAAO,CAAG,IAAjB,CAEjC,KAAM,CAAEG,wBAAF,EAA+B,KAAK1B,iBAAL,CAAuBG,MAAvB,CACnCd,QADmC,GAEhC,CACHqC,wBAAwB,CAAE,CADvB,CAFL,CAKA,KAAMC,CAAAA,eAAe,CACnB,MAAOD,CAAAA,wBAAP,GAAoC,QAApC,CACIA,wBAAwB,CAAG,IAA3B,CAAkCH,OADtC,CAEIG,wBAHN,CAKA,MAAOC,CAAAA,eAAP,CACD,CAEDC,WAAW,CAACC,IAAD,CAAgC,CACzCA,IAAI,CAAG,yCAAkBA,IAAlB,CAAP,CACA,MAAOC,cAASC,QAAT,CAAkB,KAAKX,WAAL,CAAiBS,IAAjB,CAAuB,MAAvB,CAAlB,CAAkD,MAAlD,CAAP,CACD,CAED;AACA,KAAMG,CAAAA,GAAN,CAAU3C,QAAV,CAAmE,CACjE,GAAI,KAAKU,kBAAL,CAAwBL,GAA5B,CAAiC,OACjCL,QAAQ,CAAG,yCAAkBA,QAAlB,CAAX,CAEA,GAAI4C,CAAAA,IAAI,CAAG,KAAKhC,KAAL,CAAW+B,GAAX,CAAe3C,QAAf,CAAX,CAEA;AACA,GAAI,CAAC4C,IAAL,CAAW,CACT,GAAI,KAAKjC,iBAAL,CAAuBK,cAAvB,CAAsC6B,QAAtC,CAA+C7C,QAA/C,CAAJ,CAA8D,CAC5D,MAAO,CAAE0B,UAAU,CAAE,IAAd,CAAoBY,eAAe,CAAE,KAArC,CAAP,CACD,CAED,GAAI,CACF,KAAMV,CAAAA,IAAI,CAAG,KAAMa,cAASC,QAAT,CACjB,KAAKX,WAAL,CAAiB/B,QAAjB,CAA2B,MAA3B,CADiB,CAEjB,MAFiB,CAAnB,CAIA,KAAM8B,CAAAA,QAAQ,CAAGZ,IAAI,CAACC,KAAL,CACf,KAAMsB,cAASC,QAAT,CAAkB,KAAKX,WAAL,CAAiB/B,QAAjB,CAA2B,MAA3B,CAAlB,CAAsD,MAAtD,CADS,CAAjB,CAIA4C,IAAI,CAAG,CACLhB,IADK,CAELE,QAFK,CAGLQ,eAAe,CAAE,KAAKL,mBAAL,CAAyBjC,QAAzB,CAHZ,CAAP,CAKA,KAAKY,KAAL,CAAWkC,GAAX,CAAe9C,QAAf,CAAyB4C,IAAzB,EACD,CAAC,MAAOG,CAAP,CAAU,CACV;AACD,CACF,CAED,GACEH,IAAI,EACJA,IAAI,CAACN,eAAL,GAAyB,KADzB,EAEAM,IAAI,CAACN,eAAL,CAAuB,GAAIH,CAAAA,IAAJ,GAAWC,OAAX,EAHzB,CAIE,CACAQ,IAAI,CAACI,OAAL,CAAe,IAAf,CACD,CAED,KAAMC,CAAAA,YAAY,CAAGlD,OAAO,CAACC,QAAD,CAA5B,CACA,KAAMkD,CAAAA,aAAa,CAAG,KAAKvC,iBAAL,CAAuBG,MAAvB,CAA8BmC,YAA9B,CAAtB,CAEA,GAAIL,IAAI,EAAIM,aAAZ,CAA2B,CACzBN,IAAI,CAACO,aAAL,CAAqBD,aAAa,CAACb,wBAAnC,CACD,CACD,MAAOO,CAAAA,IAAP,CACD,CAED;AACA,KAAME,CAAAA,GAAN,CACE9C,QADF,CAEE4C,IAFF,CAQEQ,iBARF,CASE,CACA,GAAI,KAAK1C,kBAAL,CAAwBL,GAA5B,CAAiC,OACjC,GAAI,MAAO+C,CAAAA,iBAAP,GAA6B,WAAjC,CAA8C,CAC5C;AACA;AACA,KAAKzC,iBAAL,CAAuBG,MAAvB,CAA8Bd,QAA9B,EAA0C,CACxCqD,SAAS,CAAEjC,cAAKkC,KAAL,CAAWjC,IAAX,CACT,aADS,CAER,GAAE,yCAAkBrB,QAAlB,CAA4B,OAFtB,CAD6B,CAKxCuD,QAAQ,CAAE,IAL8B,CAKxB;AAChBlB,wBAAwB,CAAEe,iBANc,CAA1C,CAQD,CAEDpD,QAAQ,CAAG,yCAAkBA,QAAlB,CAAX,CACA,KAAKY,KAAL,CAAWkC,GAAX,CAAe9C,QAAf,CAAyB,CACvB,GAAG4C,IADoB,CAEvBN,eAAe,CAAE,KAAKL,mBAAL,CAAyBjC,QAAzB,CAFM,CAAzB,EAKA;AACA;AACA,GAAI,KAAKU,kBAAL,CAAwBF,WAAxB,EAAuC,CAACoC,IAAI,CAAClB,UAAjD,CAA6D,CAC3D,GAAI,CACF,KAAM8B,CAAAA,QAAQ,CAAG,KAAKzB,WAAL,CAAiB/B,QAAjB,CAA2B,MAA3B,CAAjB,CACA,KAAMyC,cAASgB,KAAT,CAAerC,cAAKsC,OAAL,CAAaF,QAAb,CAAf,CAAuC,CAAEG,SAAS,CAAE,IAAb,CAAvC,CAAN,CACA,KAAMlB,cAASmB,SAAT,CAAmBJ,QAAnB,CAA6BZ,IAAI,CAAChB,IAAlC,CAAwC,MAAxC,CAAN,CACA,KAAMa,cAASmB,SAAT,CACJ,KAAK7B,WAAL,CAAiB/B,QAAjB,CAA2B,MAA3B,CADI,CAEJkB,IAAI,CAACW,SAAL,CAAee,IAAI,CAACd,QAApB,CAFI,CAGJ,MAHI,CAAN,CAKD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{ promises, readFileSync } from 'fs'\nimport LRUCache from 'next/dist/compiled/lru-cache'\nimport path from 'path'\nimport { PrerenderManifest } from '../../build'\nimport { PRERENDER_MANIFEST } from '../lib/constants'\nimport { normalizePagePath } from './normalize-page-path'\n\nfunction toRoute(pathname: string): string {\n return pathname.replace(/\\/$/, '').replace(/\\/index$/, '') || '/'\n}\n\ntype IncrementalCacheValue = {\n html?: string\n pageData?: any\n isStale?: boolean\n isNotFound?: boolean\n isRedirect?: boolean\n curRevalidate?: number | false\n // milliseconds to revalidate after\n revalidateAfter: number | false\n}\n\nexport class IncrementalCache {\n incrementalOptions: {\n flushToDisk?: boolean\n pagesDir?: string\n distDir?: string\n dev?: boolean\n }\n\n prerenderManifest: PrerenderManifest\n cache: LRUCache<string, IncrementalCacheValue>\n locales?: string[]\n\n constructor({\n max,\n dev,\n distDir,\n pagesDir,\n flushToDisk,\n locales,\n }: {\n dev: boolean\n max?: number\n distDir: string\n pagesDir: string\n flushToDisk?: boolean\n locales?: string[]\n }) {\n this.incrementalOptions = {\n dev,\n distDir,\n pagesDir,\n flushToDisk:\n !dev && (typeof flushToDisk !== 'undefined' ? flushToDisk : true),\n }\n this.locales = locales\n\n if (dev) {\n this.prerenderManifest = {\n version: -1 as any, // letting us know this doesn't conform to spec\n routes: {},\n dynamicRoutes: {},\n notFoundRoutes: [],\n preview: null as any, // `preview` is special case read in next-dev-server\n }\n } else {\n this.prerenderManifest = JSON.parse(\n readFileSync(path.join(distDir, PRERENDER_MANIFEST), 'utf8')\n )\n }\n\n this.cache = new LRUCache({\n // default to 50MB limit\n max: max || 50 * 1024 * 1024,\n length(val) {\n if (val.isNotFound || val.isRedirect) return 25\n // rough estimate of size of cache value\n return val.html!.length + JSON.stringify(val.pageData).length\n },\n })\n }\n\n private getSeedPath(pathname: string, ext: string): string {\n return path.join(this.incrementalOptions.pagesDir!, `${pathname}.${ext}`)\n }\n\n private calculateRevalidate(pathname: string): number | false {\n pathname = toRoute(pathname)\n\n // in development we don't have a prerender-manifest\n // and default to always revalidating to allow easier debugging\n const curTime = new Date().getTime()\n if (this.incrementalOptions.dev) return curTime - 1000\n\n const { initialRevalidateSeconds } = this.prerenderManifest.routes[\n pathname\n ] || {\n initialRevalidateSeconds: 1,\n }\n const revalidateAfter =\n typeof initialRevalidateSeconds === 'number'\n ? initialRevalidateSeconds * 1000 + curTime\n : initialRevalidateSeconds\n\n return revalidateAfter\n }\n\n getFallback(page: string): Promise<string> {\n page = normalizePagePath(page)\n return promises.readFile(this.getSeedPath(page, 'html'), 'utf8')\n }\n\n // get data from cache if available\n async get(pathname: string): Promise<IncrementalCacheValue | void> {\n if (this.incrementalOptions.dev) return\n pathname = normalizePagePath(pathname)\n\n let data = this.cache.get(pathname)\n\n // let's check the disk for seed data\n if (!data) {\n if (this.prerenderManifest.notFoundRoutes.includes(pathname)) {\n return { isNotFound: true, revalidateAfter: false }\n }\n\n try {\n const html = await promises.readFile(\n this.getSeedPath(pathname, 'html'),\n 'utf8'\n )\n const pageData = JSON.parse(\n await promises.readFile(this.getSeedPath(pathname, 'json'), 'utf8')\n )\n\n data = {\n html,\n pageData,\n revalidateAfter: this.calculateRevalidate(pathname),\n }\n this.cache.set(pathname, data)\n } catch (_) {\n // unable to get data from disk\n }\n }\n\n if (\n data &&\n data.revalidateAfter !== false &&\n data.revalidateAfter < new Date().getTime()\n ) {\n data.isStale = true\n }\n\n const manifestPath = toRoute(pathname)\n const manifestEntry = this.prerenderManifest.routes[manifestPath]\n\n if (data && manifestEntry) {\n data.curRevalidate = manifestEntry.initialRevalidateSeconds\n }\n return data\n }\n\n // populate the incremental cache with new data\n async set(\n pathname: string,\n data: {\n html?: string\n pageData?: any\n isNotFound?: boolean\n isRedirect?: boolean\n },\n revalidateSeconds?: number | false\n ) {\n if (this.incrementalOptions.dev) return\n if (typeof revalidateSeconds !== 'undefined') {\n // TODO: Update this to not mutate the manifest from the\n // build.\n this.prerenderManifest.routes[pathname] = {\n dataRoute: path.posix.join(\n '/_next/data',\n `${normalizePagePath(pathname)}.json`\n ),\n srcRoute: null, // FIXME: provide actual source route, however, when dynamically appending it doesn't really matter\n initialRevalidateSeconds: revalidateSeconds,\n }\n }\n\n pathname = normalizePagePath(pathname)\n this.cache.set(pathname, {\n ...data,\n revalidateAfter: this.calculateRevalidate(pathname),\n })\n\n // TODO: This option needs to cease to exist unless it stops mutating the\n // `next build` output's manifest.\n if (this.incrementalOptions.flushToDisk && !data.isNotFound) {\n try {\n const seedPath = this.getSeedPath(pathname, 'html')\n await promises.mkdir(path.dirname(seedPath), { recursive: true })\n await promises.writeFile(seedPath, data.html, 'utf8')\n await promises.writeFile(\n this.getSeedPath(pathname, 'json'),\n JSON.stringify(data.pageData),\n 'utf8'\n )\n } catch (error) {\n // failed to flush to disk\n console.warn('Failed to update prerender files for', pathname, error)\n }\n }\n }\n}\n"]} |