All files / helpers flatten-at-rules.js

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const { mapObject, mapObjectValues } = require('../utils/helpers');
const { isNestedStyles, isAtRuleObject } = require('../utils/styles');
 
function flatten(type, object) {
  return mapObject(object, ([key, value]) => {
    return [`${type} ${key}`, flattenObjectAtRules(value)];
  });
}
 
function flattenObjectAtRules(styles) {
  const entries = Object.entries(styles).flatMap(([name, value]) => {
    if (!isNestedStyles(value)) {
      return [[name, value]];
    }
 
    if (isAtRuleObject(name)) {
      return Object.entries(flatten(name, value));
    }
 
    return [[name, flattenObjectAtRules(value)]];
  });
 
  return Object.fromEntries(entries);
}
 
function flattenAtRules(obj) {
  return mapObjectValues(obj, flattenObjectAtRules);
}
 
module.exports = flattenAtRules;