45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
// This file exports the functions of the public computing library
|
|
import { analyseMany, parseAll } from './traverse.js'
|
|
import {
|
|
rulesFr,
|
|
collectDefaults,
|
|
nestedSituationToPathMap,
|
|
enrichRule
|
|
} from './rules'
|
|
import yaml from 'js-yaml'
|
|
|
|
// The public evaluation function takes a nested object of input values
|
|
let nestedSituationToStateSelector = rules => nestedSituation => dottedName =>
|
|
({
|
|
...collectDefaults(rules),
|
|
...nestedSituationToPathMap(nestedSituation)
|
|
}[dottedName])
|
|
|
|
let enrichRules = input =>
|
|
(typeof input === 'string' ? yaml.safeLoad(input) : input).map(enrichRule)
|
|
|
|
export default {
|
|
evaluate: (targetInput, nestedSituation, config) => {
|
|
let rules = config
|
|
? do {
|
|
let { base, extra } = config
|
|
;[
|
|
...(base ? enrichRules(base) : rulesFr),
|
|
...(extra ? enrichRules(extra) : [])
|
|
]
|
|
}
|
|
: rulesFr
|
|
|
|
let evaluation = analyseMany(
|
|
parseAll(rules),
|
|
Array.isArray(targetInput) ? targetInput : [targetInput]
|
|
)(nestedSituationToStateSelector(rules)(nestedSituation))
|
|
|
|
if (config?.debug) return evaluation
|
|
|
|
let values = evaluation.targets.map(t => t.nodeValue)
|
|
|
|
return Array.isArray(targetInput) ? values : values[0]
|
|
}
|
|
}
|