| 1 | import { Formula } from '@analys/formula';
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| 2 | import { samplesFind } from '@analys/samples-find';
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| 3 | import { argnames } from '@spare/deco-func';
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| 4 | import { mutazip } from '@vect/vector-zipper';
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| 5 |
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| 6 | const samplesFormula = function (formulae, {
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| 7 | filter,
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| 8 | append = true
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| 9 | } = {}) {
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| 10 | let samples = this;
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| 11 |
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| 12 | if (filter) {
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| 13 | samples = samplesFind.call(samples, filter);
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| 14 | }
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| 15 |
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| 16 | for (let indicator in formulae) if (formulae.hasOwnProperty(indicator)) {
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| 17 | const func = formulae[indicator];
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| 18 | formulae[indicator] = [argnames(func), func];
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| 19 | }
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| 20 |
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| 21 | const formulaEngine = new Formula(formulae);
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| 22 | const results = formulaEngine.calculate(samples).toSamples();
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| 23 | return append ? mutazip(samples, results, (sample, result) => Object.assign(sample, result)) : results;
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| 24 | };
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| 25 |
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| 26 | export { samplesFormula };
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