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@emartech/data-aggregator-language
Advanced tools
Execute aggregation expressions on a given data set.
Given the following input data structure,
const input = [{
date: '2017-09-16',
reservations: {
silver: 12,
gold: 5
}
}, {
date: '2017-09-17',
reservations: {
silver: 3,
gold: 2
}
}]
the parser allows mixing aggregation expressions over the input with common arithmetic operators.
For example,
SUM reservations.silver
would yield 12 + 3 = 15
.SUM reservations.silver + 3
would yield (12 + 3) + 3 = 18
const aggregator = require('@emartech/data-aggregator-language')(input);
const result = aggregator('SUM reservations.silver')
Examples below are for the input
defined above.
LENGTH
(yields 2)LENGTH + 3
(yields 5)5
(yields 5)SUM reservations.silver
(yields 15)LAST reservations.silver
(yields 3)AVERAGE reservations.silver
(yields 7.5)+, -, *, /
For example, (LAST reservations.silver + 3) * 2 / 2
(yields 6)
Semantic release depends on the Angular commit message conventions. Please follow these.
Uses SAP/chevrotain for parsing.
FAQs
Execute aggregation expressions on a given data set.
The npm package @emartech/data-aggregator-language receives a total of 35 weekly downloads. As such, @emartech/data-aggregator-language popularity was classified as not popular.
We found that @emartech/data-aggregator-language demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 189 open source maintainers collaborating on the project.
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