This is a tiny in memory non persistent database library. It is made for aggregating timeseries data and storing it as averages/sums. Example usage:

See index.spec.js for more examples.

API

index

In memory timeseries database with averaged/summed values to reduce performance footprint

Parameters

• options object? Options object, can be left as blank to use defaults, see index.spec.js for details
  • options.maxEntries number? how many entries to store in the timeseries, defaults to 3600
  • options.entriesPerSecond number? how many times a second to move the timeseries, default 1, can be less than 1 for slower updates
  • options.mergeMode string? how to merge multiple entries in one tick, default is "average"
  • options.data object? starting data for timeSeries, defaults to {}
• log function? Logging function, can be left as undefined for no logging

Returns object timeSeries

Meta

• author: Daniel Vestøl
• license: MIT

add

Adds timeseries data to a collection

Parameters

• entry object
  • entry.key string what item to add
  • entry.value number how much to add

Examples

let series = new timeSeries();
series.add({
  key: "apples",
  value: 3,
});

get

Retrieves timeseries data

Parameters

• datapoints number the number of datapoints to retrieve, has to be less than size of collection
• key string name of collection to retrieve

Returns array of objects like [{key: "string", value: number}]

clear

Clears all data

Examples

new timeSeries().clear()