59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
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export interface IWatchEventLike {
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kind: string;
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paths: string[];
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}
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export type TConfigReloadTransition = 'monitoringWillStart' | 'deviceCountChanged' | 'reloaded';
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export interface IConfigReloadSnapshot {
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transition: TConfigReloadTransition;
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message: string;
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shouldInitializeUpsStatus: boolean;
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shouldLogMonitoringStart: boolean;
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}
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export function shouldReloadConfig(
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event: IWatchEventLike,
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configFileName: string = 'config.json',
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): boolean {
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return event.kind === 'modify' && event.paths.some((path) => path.includes(configFileName));
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}
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export function shouldRefreshPauseState(
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event: IWatchEventLike,
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pauseFileName: string = 'pause',
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): boolean {
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return ['create', 'modify', 'remove'].includes(event.kind) &&
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event.paths.some((path) => path.includes(pauseFileName));
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}
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export function analyzeConfigReload(
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oldDeviceCount: number,
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newDeviceCount: number,
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): IConfigReloadSnapshot {
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if (newDeviceCount > 0 && oldDeviceCount === 0) {
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return {
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transition: 'monitoringWillStart',
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message: `Configuration reloaded! Found ${newDeviceCount} UPS device(s)`,
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shouldInitializeUpsStatus: false,
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shouldLogMonitoringStart: true,
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};
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}
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if (newDeviceCount !== oldDeviceCount) {
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return {
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transition: 'deviceCountChanged',
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message: `Configuration reloaded! UPS devices: ${oldDeviceCount} -> ${newDeviceCount}`,
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shouldInitializeUpsStatus: true,
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shouldLogMonitoringStart: false,
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};
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}
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return {
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transition: 'reloaded',
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message: 'Configuration reloaded successfully',
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shouldInitializeUpsStatus: false,
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shouldLogMonitoringStart: false,
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};
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}
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