DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
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All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\nimport * as Platform from '../../../core/platform/platform.js';\nimport * as Types from '../types/types.js';\n\n// A flow is a logic connection between trace events. We display this\n// connection as arrows between trace events belonging to the same flow.\n\n// In the trace event format, flows are represented with pairing \"flow\n// phase\" events. Each flow phase event corresponds to one trace event\n// and indicates the role a trace event plays in a flow (start, step or\n// end). For each flow, one `start` and one `end` phase events are\n// included, while the amount of `step` phase events can be >= 0.\n\n// A flow phase event is assigned to a trace event when their cat, tid,\n// pid and ts are equal (see @flowPhaseBindingTokenForEvent ).\n\n// It's possible for a single event to belong to multiple flows. In that\n// case, it will have multiple corresponding flow phase events (one\n// per flow).\n\n// To parse flows, we first handle flow phase events, by creating unique\n// flows with the timestamps of each phase. Then, we place trace events\n// in the flows where their corresponding phase events were placed (if\n// there are any corresponding flow phase events at all).\nconst flowDataByGroupToken = new Map<string, number>();\n\ninterface EventFlowData {\n flows: Set<number>;\n bindingParsed: boolean;\n}\ntype FlowBindingTuple =\n Map<Types.Timing.Micro, Map<Types.Events.ProcessID, Map<Types.Events.ThreadID, Map<string, EventFlowData>>>>;\n\n// Given a trace event's flow binding tuple (timestamp, process id,\n// thread id and category) we determine if there is any flow data bound\n// to it by using this map's content. It's built when processing flow\n// events in a trace.\n// An alternative to having a map of four levels is having single map\n// from a string token built from concatenating the binding data to the\n// corresponding flow data. However, this token would be calculated for\n// every event in a trace, resulting in a lot of memory overhead and\n// major GC triggering. So we are trading off readability for\n// performance.\nconst boundFlowData: FlowBindingTuple = new Map();\n\nconst flowsById = new Map<number, Map<Types.Timing.Micro, Types.Events.Event>>();\nconst flowEvents: Types.Events.FlowEvent[] = [];\nconst nonFlowEvents: Types.Events.Event[] = [];\nlet flows: Types.Events.Event[][] = [];\nconst ID_COMPONENT_SEPARATOR = '-$-';\nexport function reset(): void {\n flows = [];\n flowEvents.length = 0;\n nonFlowEvents.length = 0;\n flowDataByGroupToken.clear();\n boundFlowData.clear();\n flowsById.clear();\n}\n\nexport function handleEvent(event: Types.Events.Event): void {\n if (Types.Events.isFlowPhaseEvent(event)) {\n flowEvents.push(event);\n return;\n }\n nonFlowEvents.push(event);\n}\n\nfunction processNonFlowEvent(event: Types.Events.Event): void {\n const flowDataForEvent = boundFlowData.get(event.ts)?.get(event.pid)?.get(event.tid)?.get(event.cat);\n if (!flowDataForEvent) {\n return;\n }\n const {flows, bindingParsed} = flowDataForEvent;\n if (bindingParsed) {\n // We only consider the first event for a given flow binding tuple.\n return;\n }\n for (const flowId of flows) {\n const flow = Platform.MapUtilities.getWithDefault(\n flowsById, flowId, () => new Map<Types.Timing.Micro, Types.Events.Event>());\n flow.set(event.ts, event);\n }\n flowDataForEvent.bindingParsed = true;\n}\n\n/**\n * Creates unique flows by tracking flow phase events. A new created\n * flow whenever a flow start phase event is detected.\n * Subsequent flow phase events with the same group token are added to\n * this flow until a flow end phase is detected.\n */\nfunction processFlowEvent(flowPhaseEvent: Types.Events.FlowEvent): void {\n const flowGroup = flowGroupTokenForFlowPhaseEvent(flowPhaseEvent);\n switch (flowPhaseEvent.ph) {\n case (Types.Events.Phase.FLOW_START): {\n const flowMetadata = {flowId: flowPhaseEvent.id, times: new Map([[flowPhaseEvent.ts, undefined]])};\n flowDataByGroupToken.set(flowGroup, flowPhaseEvent.id);\n addFlowIdToEventBinding(flowPhaseEvent, flowMetadata.flowId);\n return;\n }\n case (Types.Events.Phase.FLOW_STEP): {\n const flowId = flowDataByGroupToken.get(flowGroup);\n if (flowId === undefined) {\n // Found non-start flow event with no corresponding start flow,\n // start event. Quietly ignore the problematic event.\n return;\n }\n addFlowIdToEventBinding(flowPhaseEvent, flowId);\n return;\n }\n case (Types.Events.Phase.FLOW_END): {\n const flowId = flowDataByGroupToken.get(flowGroup);\n if (flowId === undefined) {\n // Found non-start flow event with no corresponding start flow,\n // start event. Quietly ignore the problematic event.\n return;\n }\n addFlowIdToEventBinding(flowPhaseEvent, flowId);\n // We don't need this data anymore as the flow has been finished,\n // so we can drop it.\n flowDataByGroupToken.delete(flowGroup);\n }\n }\n}\n\ntype MapValueType<T extends Map<unknown, unknown>> = NonNullable<ReturnType<T['get']>>;\n/**\n * A single trace event can belong to multiple flows. This method\n * tracks which flows (flowId) an event belongs to given its flow\n * binding tuple (made of its ts, pid, tid and cat).\n */\nfunction addFlowIdToEventBinding(event: Types.Events.Event, flowId: number): void {\n const flowsByPid = Platform.MapUtilities.getWithDefault<Types.Timing.Micro, MapValueType<typeof boundFlowData>>(\n boundFlowData, event.ts, () => new Map());\n const flowsByTid = Platform.MapUtilities.getWithDefault<Types.Events.ProcessID, MapValueType<typeof flowsByPid>>(\n flowsByPid, event.pid, () => new Map());\n const flowsByCat = Platform.MapUtilities.getWithDefault<Types.Events.ThreadID, MapValueType<typeof flowsByTid>>(\n flowsByTid, event.tid, () => new Map());\n const flowData =\n Platform.MapUtilities.getWithDefault(flowsByCat, event.cat, () => ({flows: new Set(), bindingParsed: false}));\n flowData.flows.add(flowId);\n}\n\n/**\n * Returns a token to group flow phase events (start, step and end)\n * belonging to the same flow. Flow phase events belonging to the same\n * flow share category, thread id, process id and name.\n *\n * Note that other phase events of other flows can share these\n * attributes too. For this reason, we group flow phase events in\n * cycles. A cycle starts on a flow start phase event and finishes on a\n * flow end phase event. For this reason, flow phase events need to be\n * handled in timestamp order.\n */\nfunction flowGroupTokenForFlowPhaseEvent(event: Types.Events.FlowEvent): string {\n return `${event.cat}${ID_COMPONENT_SEPARATOR}${event.name}${ID_COMPONENT_SEPARATOR}${event.id}`;\n}\n\nexport async function finalize(): Promise<void> {\n // Order is important: flow events need to be handled first.\n flowEvents.forEach(processFlowEvent);\n nonFlowEvents.forEach(processNonFlowEvent);\n flows = [...flowsById.values()]\n .map(flowMapping => [...flowMapping.values()])\n .map(flow => flow.filter(event => event !== undefined))\n .filter(flow => flow.length > 1);\n}\n\nexport function data(): {flows: Types.Events.Event[][]} {\n return {\n flows,\n };\n}\n"]} |