Files
DiceCloud/app/imports/api/creature/computation/computeToggle.js
2020-05-28 20:33:08 +02:00

38 lines
1.3 KiB
JavaScript

import evaluateCalculation from '/imports/api/creature/computation/evaluateCalculation.js';
export default function computeToggle(toggle, memo){
if (toggle.computationDetails.computed) return;
if (toggle.computationDetails.busyComputing){
// Trying to compute this effect again while it is already computing.
// We must be in a dependency loop.
toggle.computationDetails.computed = true;
toggle.result = false;
toggle.computationDetails.busyComputing = false;
toggle.computationDetails.error = 'dependencyLoop';
if (Meteor.isClient) console.warn('dependencyLoop', toggle);
return;
}
// Before doing any work, mark this toggle as busy
toggle.computationDetails.busyComputing = true;
// Do work
delete toggle.errors;
if (toggle.enabled){
toggle.toggleResult = true;
} else if (toggle.disabled){
toggle.toggleResult = false;
} else if (!toggle.condition){
toggle.toggleResult = false;
} else if (Number.isFinite(+toggle.condition)){
toggle.toggleResult = !!+toggle.condition;
} else {
let {value, errors} = evaluateCalculation(toggle.condition, memo);
toggle.toggleResult = value;
if (errors.length){
toggle.errors = errors;
}
}
toggle.computationDetails.computed = true;
toggle.computationDetails.busyComputing = false;
}