Refactored computation into folders

app/imports/api/creature/computation/engine/computeToggle.js

@@ -0,0 +1,42 @@
+import evaluateCalculation from '/imports/api/creature/computation/engine/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 {
+      result,
+      context,
+      dependencies,
+    } = evaluateCalculation({string: toggle.condition, prop: toggle, memo});
+    toggle.toggleResult = !!result.value;
+    toggle.dependencies.push(...dependencies);
+    if (context.errors.length){
+      toggle.errors = context.errors;
+    }
+  }
+  toggle.computationDetails.computed = true;
+  toggle.computationDetails.busyComputing = false;
+}