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
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()