{"version":3,"file":"MetricsBrowserContext.cjs","sources":["../../../../src/components/metrics-browser/MetricsBrowserContext.tsx"],"sourcesContent":["import { createContext, type PropsWithChildren, useCallback, useContext, useMemo } from 'react';\n\nimport { type TimeRange } from '@grafana/data';\n\nimport { type PrometheusLanguageProviderInterface } from '../../language_provider';\n\nimport { buildSelector } from './selectorBuilder';\nimport { useMetricsLabelsValues } from './useMetricsLabelsValues';\n\nexport interface Metric {\n name: string;\n details?: string;\n}\n\n/**\n * Context for the Metrics Browser component\n * Provides state and handlers for browsing and selecting Prometheus metrics and labels\n */\ninterface MetricsBrowserContextType {\n // Error and status state\n err: string;\n setErr: (err: string) => void;\n status: string;\n setStatus: (status: string) => void;\n\n // Series limit settings\n seriesLimit: number;\n setSeriesLimit: (limit: number) => void;\n\n // Callback when selector changes\n onChange: (selector: string) => void;\n\n // Data and selection state\n metrics: Metric[];\n labelKeys: string[];\n isLoadingLabelKeys: boolean;\n isLoadingLabelValues: boolean;\n labelValues: Record;\n selectedMetric: string;\n selectedLabelKeys: string[];\n selectedLabelValues: Record;\n\n // Event handlers\n onMetricClick: (name: string) => void;\n onLabelKeyClick: (name: string) => void;\n onLabelValueClick: (labelKey: string, labelValue: string, isSelected: boolean) => void;\n getSelector: () => string;\n onClearClick: () => void;\n\n // Validation\n validationStatus: string;\n onValidationClick: () => void;\n}\n\nconst MetricsBrowserContext = createContext(undefined);\n\ntype MetricsBrowserProviderProps = {\n timeRange: TimeRange;\n languageProvider: PrometheusLanguageProviderInterface;\n onChange: (selector: string) => void;\n};\n\n/**\n * Provider component for the Metrics Browser context\n * Manages state and data fetching for metrics, labels, and values\n */\nexport function MetricsBrowserProvider({\n children,\n timeRange,\n languageProvider,\n onChange,\n}: PropsWithChildren) {\n const {\n err,\n setErr,\n status,\n setStatus,\n seriesLimit,\n setSeriesLimit,\n validationStatus,\n metrics,\n labelKeys,\n isLoadingLabelKeys,\n isLoadingLabelValues,\n labelValues,\n selectedMetric,\n selectedLabelKeys,\n selectedLabelValues,\n handleSelectedMetricChange,\n handleSelectedLabelKeyChange,\n handleSelectedLabelValueChange,\n handleValidation,\n handleClear,\n } = useMetricsLabelsValues(timeRange, languageProvider);\n\n // Build a Prometheus selector string from the current selections\n const getSelector = useCallback(\n () => buildSelector(selectedMetric, selectedLabelValues),\n [selectedLabelValues, selectedMetric]\n );\n\n // Memoize the context value to prevent unnecessary re-renders\n const value = useMemo(\n () => ({\n err,\n setErr,\n status,\n setStatus,\n seriesLimit,\n setSeriesLimit,\n validationStatus,\n onChange,\n getSelector,\n metrics,\n labelKeys,\n isLoadingLabelKeys,\n isLoadingLabelValues,\n labelValues,\n selectedMetric,\n selectedLabelKeys,\n selectedLabelValues,\n onMetricClick: handleSelectedMetricChange,\n onLabelKeyClick: handleSelectedLabelKeyChange,\n onLabelValueClick: handleSelectedLabelValueChange,\n onValidationClick: handleValidation,\n onClearClick: handleClear,\n }),\n [\n err,\n setErr,\n status,\n setStatus,\n seriesLimit,\n setSeriesLimit,\n validationStatus,\n onChange,\n getSelector,\n metrics,\n labelKeys,\n isLoadingLabelKeys,\n isLoadingLabelValues,\n labelValues,\n selectedMetric,\n selectedLabelKeys,\n selectedLabelValues,\n handleSelectedMetricChange,\n handleSelectedLabelKeyChange,\n handleSelectedLabelValueChange,\n handleValidation,\n handleClear,\n ]\n );\n\n return {children};\n}\n\n/**\n * Hook to access the MetricsBrowser context\n * Must be used within a MetricsBrowserProvider\n */\nexport function useMetricsBrowser() {\n const context = useContext(MetricsBrowserContext);\n if (context === undefined) {\n throw new Error('useMetricsBrowser must be used within a MetricsBrowserProvider');\n }\n return 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