38 lines
991 B
JavaScript
38 lines
991 B
JavaScript
// This file exports the functions of the public computing library
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import { analyseMany, parseAll } from './traverse.js'
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import {
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rulesFr,
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collectDefaults,
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nestedSituationToPathMap,
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enrichRule
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} from './rules'
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import yaml from 'js-yaml'
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// The public evaluation function takes a nested object of input values
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let nestedSituationToStateSelector = rules => nestedSituation => dottedName =>
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({
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...collectDefaults(rules),
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...nestedSituationToPathMap(nestedSituation)
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}[dottedName])
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let enrichRules = input =>
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(typeof input === 'string' ? yaml.safeLoad(input) : input).map(enrichRule)
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export default {
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evaluate: (targetNames, nestedSituation, rulesConfig) => {
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let rules = rulesConfig
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? do {
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let { base, extra } = rulesConfig
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;[
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...(base ? enrichRules(base) : rulesFr),
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...(extra ? enrichRules(extra) : [])
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]
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}
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: rulesFr
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return analyseMany(parseAll(rules), targetNames)(
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nestedSituationToStateSelector(rules)(nestedSituation)
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)
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}
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}
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