Initial boiler plate project

node_modules/next/dist/lib/memory/gc-observer.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Starts recording garbage collection events in the process and warn on long
+ * running GCs. To disable, call `stopObservingGc`.
+ */
+export declare function startObservingGc(): void;
+export declare function stopObservingGc(): void;
+/**
+ * Returns all recorded garbage collection events. This function will only
+ * return information from when `startObservingGc` was enabled and before
+ * `stopObservingGc` was called.
+ */
+export declare function getGcEvents(): PerformanceEntry[];

node_modules/next/dist/lib/memory/gc-observer.js

@@ -0,0 +1,53 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    getGcEvents: null,
+    startObservingGc: null,
+    stopObservingGc: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    getGcEvents: function() {
+        return getGcEvents;
+    },
+    startObservingGc: function() {
+        return startObservingGc;
+    },
+    stopObservingGc: function() {
+        return stopObservingGc;
+    }
+});
+const _perf_hooks = require("perf_hooks");
+const _log = require("../../build/output/log");
+const _picocolors = require("../picocolors");
+const LONG_RUNNING_GC_THRESHOLD_MS = 15;
+const gcEvents = [];
+const obs = new _perf_hooks.PerformanceObserver((list)=>{
+    const entry = list.getEntries()[0];
+    gcEvents.push(entry);
+    if (entry.duration > LONG_RUNNING_GC_THRESHOLD_MS) {
+        (0, _log.warn)((0, _picocolors.bold)(`Long running GC detected: ${entry.duration.toFixed(2)}ms`));
+    }
+});
+function startObservingGc() {
+    obs.observe({
+        entryTypes: [
+            "gc"
+        ]
+    });
+}
+function stopObservingGc() {
+    obs.disconnect();
+}
+function getGcEvents() {
+    return gcEvents;
+}
+
+//# sourceMappingURL=gc-observer.js.map

node_modules/next/dist/lib/memory/gc-observer.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../src/lib/memory/gc-observer.ts"],"names":["getGcEvents","startObservingGc","stopObservingGc","LONG_RUNNING_GC_THRESHOLD_MS","gcEvents","obs","PerformanceObserver","list","entry","getEntries","push","duration","warn","bold","toFixed","observe","entryTypes","disconnect"],"mappings":";;;;;;;;;;;;;;;;IAiCgBA,WAAW;eAAXA;;IAbAC,gBAAgB;eAAhBA;;IAIAC,eAAe;eAAfA;;;4BAxBoB;qBACf;4BACA;AAErB,MAAMC,+BAA+B;AAErC,MAAMC,WAA+B,EAAE;AACvC,MAAMC,MAAM,IAAIC,+BAAmB,CAAC,CAACC;IACnC,MAAMC,QAAQD,KAAKE,UAAU,EAAE,CAAC,EAAE;IAClCL,SAASM,IAAI,CAACF;IAEd,IAAIA,MAAMG,QAAQ,GAAGR,8BAA8B;QACjDS,IAAAA,SAAI,EAACC,IAAAA,gBAAI,EAAC,CAAC,0BAA0B,EAAEL,MAAMG,QAAQ,CAACG,OAAO,CAAC,GAAG,EAAE,CAAC;IACtE;AACF;AAMO,SAASb;IACdI,IAAIU,OAAO,CAAC;QAAEC,YAAY;YAAC;SAAK;IAAC;AACnC;AAEO,SAASd;IACdG,IAAIY,UAAU;AAChB;AAOO,SAASjB;IACd,OAAOI;AACT"}

node_modules/next/dist/lib/memory/shutdown.d.ts

@@ -0,0 +1 @@
+export declare function disableMemoryDebuggingMode(): void;

node_modules/next/dist/lib/memory/shutdown.js

@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "disableMemoryDebuggingMode", {
+    enumerable: true,
+    get: function() {
+        return disableMemoryDebuggingMode;
+    }
+});
+const _log = require("../../build/output/log");
+const _picocolors = require("../picocolors");
+const _gcobserver = require("./gc-observer");
+const _trace = require("./trace");
+function disableMemoryDebuggingMode() {
+    (0, _trace.stopPeriodicMemoryUsageTracing)();
+    (0, _gcobserver.stopObservingGc)();
+    (0, _log.info)((0, _picocolors.bold)("Memory usage report:"));
+    const gcEvents = (0, _gcobserver.getGcEvents)();
+    const totalTimeInGcMs = gcEvents.reduce((acc, event)=>acc + event.duration, 0);
+    (0, _log.info)(` - Total time spent in GC: ${totalTimeInGcMs.toFixed(2)}ms`);
+    const allMemoryUsage = (0, _trace.getAllMemoryUsageSpans)();
+    const peakHeapUsage = Math.max(...allMemoryUsage.map((usage)=>usage["memory.heapUsed"]));
+    const peakRssUsage = Math.max(...allMemoryUsage.map((usage)=>usage["memory.rss"]));
+    (0, _log.info)(` - Peak heap usage: ${(peakHeapUsage / 1024 / 1024).toFixed(2)} MB`);
+    (0, _log.info)(` - Peak RSS usage: ${(peakRssUsage / 1024 / 1024).toFixed(2)} MB`);
+}
+
+//# sourceMappingURL=shutdown.js.map

node_modules/next/dist/lib/memory/shutdown.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../src/lib/memory/shutdown.ts"],"names":["disableMemoryDebuggingMode","stopPeriodicMemoryUsageTracing","stopObservingGc","info","bold","gcEvents","getGcEvents","totalTimeInGcMs","reduce","acc","event","duration","toFixed","allMemoryUsage","getAllMemoryUsageSpans","peakHeapUsage","Math","max","map","usage","peakRssUsage"],"mappings":";;;;+BAKgBA;;;eAAAA;;;qBALK;4BACA;4BACwB;uBAC0B;AAEhE,SAASA;IACdC,IAAAA,qCAA8B;IAC9BC,IAAAA,2BAAe;IAEfC,IAAAA,SAAI,EAACC,IAAAA,gBAAI,EAAC;IAEV,MAAMC,WAAWC,IAAAA,uBAAW;IAC5B,MAAMC,kBAAkBF,SAASG,MAAM,CACrC,CAACC,KAAKC,QAAUD,MAAMC,MAAMC,QAAQ,EACpC;IAEFR,IAAAA,SAAI,EAAC,CAAC,2BAA2B,EAAEI,gBAAgBK,OAAO,CAAC,GAAG,EAAE,CAAC;IAEjE,MAAMC,iBAAiBC,IAAAA,6BAAsB;IAC7C,MAAMC,gBAAgBC,KAAKC,GAAG,IACzBJ,eAAeK,GAAG,CAAC,CAACC,QAAUA,KAAK,CAAC,kBAAkB;IAE3D,MAAMC,eAAeJ,KAAKC,GAAG,IACxBJ,eAAeK,GAAG,CAAC,CAACC,QAAUA,KAAK,CAAC,aAAa;IAEtDhB,IAAAA,SAAI,EAAC,CAAC,oBAAoB,EAAE,AAACY,CAAAA,gBAAgB,OAAO,IAAG,EAAGH,OAAO,CAAC,GAAG,GAAG,CAAC;IACzET,IAAAA,SAAI,EAAC,CAAC,mBAAmB,EAAE,AAACiB,CAAAA,eAAe,OAAO,IAAG,EAAGR,OAAO,CAAC,GAAG,GAAG,CAAC;AACzE"}

node_modules/next/dist/lib/memory/startup.d.ts

@@ -0,0 +1 @@
+export declare function enableMemoryDebuggingMode(): void;

node_modules/next/dist/lib/memory/startup.js

@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "enableMemoryDebuggingMode", {
+    enumerable: true,
+    get: function() {
+        return enableMemoryDebuggingMode;
+    }
+});
+const _v8 = /*#__PURE__*/ _interop_require_default(require("v8"));
+const _log = require("../../build/output/log");
+const _picocolors = require("../picocolors");
+const _gcobserver = require("./gc-observer");
+const _trace = require("./trace");
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function enableMemoryDebuggingMode() {
+    // This will generate a heap snapshot when the program is close to the
+    // memory limit. It does not give any warning to the user though which
+    // can be jarring. If memory is large, this may take a long time.
+    if ("setHeapSnapshotNearHeapLimit" in _v8.default) {
+        // @ts-expect-error - this method exists since Node 16.
+        _v8.default.setHeapSnapshotNearHeapLimit(1);
+    }
+    // This flag will kill the process when it starts to GC thrash when it's
+    // close to the memory limit rather than continuing to try to collect
+    // memory ineffectively.
+    _v8.default.setFlagsFromString("--detect-ineffective-gcs-near-heap-limit");
+    // This allows users to generate a heap snapshot on demand just by sending
+    // a signal to the process.
+    process.on("SIGUSR2", ()=>{
+        (0, _log.warn)(`Received SIGUSR2 signal. Generating heap snapshot. ${(0, _picocolors.italic)("Note: this will take some time.")}`);
+        _v8.default.writeHeapSnapshot();
+    });
+    (0, _gcobserver.startObservingGc)();
+    (0, _trace.startPeriodicMemoryUsageTracing)();
+    (0, _log.warn)(`Memory debugging mode is enabled. ${(0, _picocolors.italic)("Note: This will affect performance.")}`);
+    (0, _log.info)(" - Heap snapshots will be automatically generated when the process reaches more than 70% of the memory limit and again when the process is just about to run out of memory.");
+    (0, _log.info)(` - To manually generate a heap snapshot, send the process a SIGUSR2 signal: \`kill -SIGUSR2 ${process.pid}\``);
+    (0, _log.info)(" - Heap snapshots when there is high memory will take a very long time to complete and may be difficult to analyze in tools.");
+    (0, _log.info)(" - See https://nextjs.org/docs/app/building-your-application/optimizing/memory-usage for more information.");
+}
+
+//# sourceMappingURL=startup.js.map

node_modules/next/dist/lib/memory/startup.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../src/lib/memory/startup.ts"],"names":["enableMemoryDebuggingMode","v8","setHeapSnapshotNearHeapLimit","setFlagsFromString","process","on","warn","italic","writeHeapSnapshot","startObservingGc","startPeriodicMemoryUsageTracing","info","pid"],"mappings":";;;;+BAMgBA;;;eAAAA;;;2DAND;qBACY;4BACJ;4BACU;uBACe;;;;;;AAEzC,SAASA;IACd,sEAAsE;IACtE,sEAAsE;IACtE,iEAAiE;IACjE,IAAI,kCAAkCC,WAAE,EAAE;QACxC,uDAAuD;QACvDA,WAAE,CAACC,4BAA4B,CAAC;IAClC;IAEA,wEAAwE;IACxE,qEAAqE;IACrE,wBAAwB;IACxBD,WAAE,CAACE,kBAAkB,CAAC;IAEtB,0EAA0E;IAC1E,2BAA2B;IAC3BC,QAAQC,EAAE,CAAC,WAAW;QACpBC,IAAAA,SAAI,EACF,CAAC,mDAAmD,EAAEC,IAAAA,kBAAM,EAC1D,mCACA,CAAC;QAELN,WAAE,CAACO,iBAAiB;IACtB;IAEAC,IAAAA,4BAAgB;IAChBC,IAAAA,sCAA+B;IAE/BJ,IAAAA,SAAI,EACF,CAAC,kCAAkC,EAAEC,IAAAA,kBAAM,EACzC,uCACA,CAAC;IAELI,IAAAA,SAAI,EACF;IAEFA,IAAAA,SAAI,EACF,CAAC,4FAA4F,EAAEP,QAAQQ,GAAG,CAAC,EAAE,CAAC;IAEhHD,IAAAA,SAAI,EACF;IAEFA,IAAAA,SAAI,EACF;AAEJ"}

node_modules/next/dist/lib/memory/trace.d.ts

@@ -0,0 +1,23 @@
+import { type Span } from '../../trace';
+interface MemoryUsage {
+    'memory.rss': number;
+    'memory.heapUsed': number;
+    'memory.heapTotal': number;
+    'memory.heapMax': number;
+}
+/**
+ * Begins a timer that will record memory usage periodically to understand
+ * memory usage across the lifetime of the process.
+ */
+export declare function startPeriodicMemoryUsageTracing(): void;
+export declare function stopPeriodicMemoryUsageTracing(): void;
+/**
+ * Returns the list of all recorded memory usage snapshots from the process.
+ */
+export declare function getAllMemoryUsageSpans(): MemoryUsage[];
+/**
+ * Records a snapshot of memory usage at this moment in time to the .next/trace
+ * file.
+ */
+export declare function traceMemoryUsage(description: string, parentSpan?: Span | undefined): void;
+export {};

node_modules/next/dist/lib/memory/trace.js

@@ -0,0 +1,109 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    getAllMemoryUsageSpans: null,
+    startPeriodicMemoryUsageTracing: null,
+    stopPeriodicMemoryUsageTracing: null,
+    traceMemoryUsage: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    getAllMemoryUsageSpans: function() {
+        return getAllMemoryUsageSpans;
+    },
+    startPeriodicMemoryUsageTracing: function() {
+        return startPeriodicMemoryUsageTracing;
+    },
+    stopPeriodicMemoryUsageTracing: function() {
+        return stopPeriodicMemoryUsageTracing;
+    },
+    traceMemoryUsage: function() {
+        return traceMemoryUsage;
+    }
+});
+const _v8 = /*#__PURE__*/ _interop_require_default(require("v8"));
+const _log = require("../../build/output/log");
+const _trace = require("../../trace");
+const _picocolors = require("../picocolors");
+const _path = require("path");
+const _shared = require("../../trace/shared");
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+const HEAP_SNAPSHOT_THRESHOLD_PERCENT = 70;
+let alreadyGeneratedHeapSnapshot = false;
+const TRACE_MEMORY_USAGE_TIMER_MS = 20000;
+let traceMemoryUsageTimer;
+const allMemoryUsage = [];
+function startPeriodicMemoryUsageTracing() {
+    traceMemoryUsageTimer = setTimeout(()=>{
+        traceMemoryUsage("periodic memory snapshot");
+        startPeriodicMemoryUsageTracing();
+    }, TRACE_MEMORY_USAGE_TIMER_MS);
+}
+function stopPeriodicMemoryUsageTracing() {
+    if (traceMemoryUsageTimer) {
+        clearTimeout(traceMemoryUsageTimer);
+    }
+}
+function getAllMemoryUsageSpans() {
+    return allMemoryUsage;
+}
+function traceMemoryUsage(description, parentSpan) {
+    const memoryUsage = process.memoryUsage();
+    const v8HeapStatistics = _v8.default.getHeapStatistics();
+    const heapUsed = v8HeapStatistics.used_heap_size;
+    const heapMax = v8HeapStatistics.heap_size_limit;
+    const tracedMemoryUsage = {
+        "memory.rss": memoryUsage.rss,
+        "memory.heapUsed": heapUsed,
+        "memory.heapTotal": memoryUsage.heapTotal,
+        "memory.heapMax": heapMax
+    };
+    allMemoryUsage.push(tracedMemoryUsage);
+    const tracedMemoryUsageAsStrings = Object.fromEntries(Object.entries(tracedMemoryUsage).map(([key, value])=>[
+            key,
+            String(value)
+        ]));
+    if (parentSpan) {
+        parentSpan.traceChild("memory-usage", tracedMemoryUsageAsStrings);
+    } else {
+        (0, _trace.trace)("memory-usage", undefined, tracedMemoryUsageAsStrings);
+    }
+    if (process.env.EXPERIMENTAL_DEBUG_MEMORY_USAGE) {
+        const percentageHeapUsed = 100 * heapUsed / heapMax;
+        (0, _log.info)("");
+        (0, _log.info)("***************************************");
+        (0, _log.info)(`Memory usage report at "${description}":`);
+        (0, _log.info)(` - RSS: ${(memoryUsage.rss / 1024 / 1024).toFixed(2)} MB`);
+        (0, _log.info)(` - Heap Used: ${(heapUsed / 1024 / 1024).toFixed(2)} MB`);
+        (0, _log.info)(` - Heap Total Allocated: ${(memoryUsage.heapTotal / 1024 / 1024).toFixed(2)} MB`);
+        (0, _log.info)(` - Heap Max: ${(heapMax / 1024 / 1024).toFixed(2)} MB`);
+        (0, _log.info)(` - Percentage Heap Used: ${percentageHeapUsed.toFixed(2)}%`);
+        (0, _log.info)("***************************************");
+        (0, _log.info)("");
+        if (percentageHeapUsed > HEAP_SNAPSHOT_THRESHOLD_PERCENT) {
+            const distDir = _shared.traceGlobals.get("distDir");
+            const heapFilename = (0, _path.join)(distDir, `${description.replace(" ", "-")}.heapsnapshot`);
+            (0, _log.warn)((0, _picocolors.bold)(`Heap usage is close to the limit. ${percentageHeapUsed.toFixed(2)}% of heap has been used.`));
+            if (!alreadyGeneratedHeapSnapshot) {
+                (0, _log.warn)((0, _picocolors.bold)(`Saving heap snapshot to ${heapFilename}.  ${(0, _picocolors.italic)("Note: this will take some time.")}`));
+                _v8.default.writeHeapSnapshot(heapFilename);
+                alreadyGeneratedHeapSnapshot = true;
+            } else {
+                (0, _log.warn)("Skipping heap snapshot generation since heap snapshot has already been generated.");
+            }
+        }
+    }
+}
+
+//# sourceMappingURL=trace.js.map

node_modules/next/dist/lib/memory/trace.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../src/lib/memory/trace.ts"],"names":["getAllMemoryUsageSpans","startPeriodicMemoryUsageTracing","stopPeriodicMemoryUsageTracing","traceMemoryUsage","HEAP_SNAPSHOT_THRESHOLD_PERCENT","alreadyGeneratedHeapSnapshot","TRACE_MEMORY_USAGE_TIMER_MS","traceMemoryUsageTimer","allMemoryUsage","setTimeout","clearTimeout","description","parentSpan","memoryUsage","process","v8HeapStatistics","v8","getHeapStatistics","heapUsed","used_heap_size","heapMax","heap_size_limit","tracedMemoryUsage","rss","heapTotal","push","tracedMemoryUsageAsStrings","Object","fromEntries","entries","map","key","value","String","traceChild","trace","undefined","env","EXPERIMENTAL_DEBUG_MEMORY_USAGE","percentageHeapUsed","info","toFixed","distDir","traceGlobals","get","heapFilename","join","replace","warn","bold","italic","writeHeapSnapshot"],"mappings":";;;;;;;;;;;;;;;;;IA0CgBA,sBAAsB;eAAtBA;;IAhBAC,+BAA+B;eAA/BA;;IAOAC,8BAA8B;eAA9BA;;IAiBAC,gBAAgB;eAAhBA;;;2DAlDD;qBACY;uBACM;4BACJ;sBACR;wBACQ;;;;;;AAE7B,MAAMC,kCAAkC;AACxC,IAAIC,+BAA+B;AAEnC,MAAMC,8BAA8B;AACpC,IAAIC;AASJ,MAAMC,iBAAgC,EAAE;AAMjC,SAASP;IACdM,wBAAwBE,WAAW;QACjCN,iBAAiB;QACjBF;IACF,GAAGK;AACL;AAEO,SAASJ;IACd,IAAIK,uBAAuB;QACzBG,aAAaH;IACf;AACF;AAKO,SAASP;IACd,OAAOQ;AACT;AAMO,SAASL,iBACdQ,WAAmB,EACnBC,UAA6B;IAE7B,MAAMC,cAAcC,QAAQD,WAAW;IACvC,MAAME,mBAAmBC,WAAE,CAACC,iBAAiB;IAC7C,MAAMC,WAAWH,iBAAiBI,cAAc;IAChD,MAAMC,UAAUL,iBAAiBM,eAAe;IAChD,MAAMC,oBAAiC;QACrC,cAAcT,YAAYU,GAAG;QAC7B,mBAAmBL;QACnB,oBAAoBL,YAAYW,SAAS;QACzC,kBAAkBJ;IACpB;IACAZ,eAAeiB,IAAI,CAACH;IACpB,MAAMI,6BAA6BC,OAAOC,WAAW,CACnDD,OAAOE,OAAO,CAACP,mBAAmBQ,GAAG,CAAC,CAAC,CAACC,KAAKC,MAAM,GAAK;YACtDD;YACAE,OAAOD;SACR;IAEH,IAAIpB,YAAY;QACdA,WAAWsB,UAAU,CAAC,gBAAgBR;IACxC,OAAO;QACLS,IAAAA,YAAK,EAAC,gBAAgBC,WAAWV;IACnC;IACA,IAAIZ,QAAQuB,GAAG,CAACC,+BAA+B,EAAE;QAC/C,MAAMC,qBAAqB,AAAC,MAAMrB,WAAYE;QAE9CoB,IAAAA,SAAI,EAAC;QACLA,IAAAA,SAAI,EAAC;QACLA,IAAAA,SAAI,EAAC,CAAC,wBAAwB,EAAE7B,YAAY,EAAE,CAAC;QAC/C6B,IAAAA,SAAI,EAAC,CAAC,QAAQ,EAAE,AAAC3B,CAAAA,YAAYU,GAAG,GAAG,OAAO,IAAG,EAAGkB,OAAO,CAAC,GAAG,GAAG,CAAC;QAC/DD,IAAAA,SAAI,EAAC,CAAC,cAAc,EAAE,AAACtB,CAAAA,WAAW,OAAO,IAAG,EAAGuB,OAAO,CAAC,GAAG,GAAG,CAAC;QAC9DD,IAAAA,SAAI,EACF,CAAC,yBAAyB,EAAE,AAAC3B,CAAAA,YAAYW,SAAS,GAAG,OAAO,IAAG,EAAGiB,OAAO,CACvE,GACA,GAAG,CAAC;QAERD,IAAAA,SAAI,EAAC,CAAC,aAAa,EAAE,AAACpB,CAAAA,UAAU,OAAO,IAAG,EAAGqB,OAAO,CAAC,GAAG,GAAG,CAAC;QAC5DD,IAAAA,SAAI,EAAC,CAAC,yBAAyB,EAAED,mBAAmBE,OAAO,CAAC,GAAG,CAAC,CAAC;QACjED,IAAAA,SAAI,EAAC;QACLA,IAAAA,SAAI,EAAC;QAEL,IAAID,qBAAqBnC,iCAAiC;YACxD,MAAMsC,UAAUC,oBAAY,CAACC,GAAG,CAAC;YACjC,MAAMC,eAAeC,IAAAA,UAAI,EACvBJ,SACA,CAAC,EAAE/B,YAAYoC,OAAO,CAAC,KAAK,KAAK,aAAa,CAAC;YAEjDC,IAAAA,SAAI,EACFC,IAAAA,gBAAI,EACF,CAAC,kCAAkC,EAAEV,mBAAmBE,OAAO,CAC7D,GACA,wBAAwB,CAAC;YAG/B,IAAI,CAACpC,8BAA8B;gBACjC2C,IAAAA,SAAI,EACFC,IAAAA,gBAAI,EACF,CAAC,wBAAwB,EAAEJ,aAAa,GAAG,EAAEK,IAAAA,kBAAM,EACjD,mCACA,CAAC;gBAGPlC,WAAE,CAACmC,iBAAiB,CAACN;gBACrBxC,+BAA+B;YACjC,OAAO;gBACL2C,IAAAA,SAAI,EACF;YAEJ;QACF;IACF;AACF"}