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Viewing / Editing File: orderModifiers.js

import { modifierPhases } from "../enums.js"; // source: https://stackoverflow.com/questions/49875255

function order(modifiers) {
  var map = new Map();
  var visited = new Set();
  var result = [];
  modifiers.forEach(function (modifier) {
    map.set(modifier.name, modifier);
  }); // On visiting object, check for its dependencies and visit them recursively

function sort(modifier) {
    visited.add(modifier.name);
    var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);
    requires.forEach(function (dep) {
      if (!visited.has(dep)) {
        var depModifier = map.get(dep);

if (depModifier) {
          sort(depModifier);
        }
      }
    });
    result.push(modifier);
  }

modifiers.forEach(function (modifier) {
    if (!visited.has(modifier.name)) {
      // check for visited object
      sort(modifier);
    }
  });
  return result;
}

export default function orderModifiers(modifiers) {
  // order based on dependencies
  var orderedModifiers = order(modifiers); // order based on phase

return modifierPhases.reduce(function (acc, phase) {
    return acc.concat(orderedModifiers.filter(function (modifier) {
      return modifier.phase === phase;
    }));
  }, []);
}

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Viewing / Editing File: orderModifiers.js

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