@odjs/classes/dist/classes.umd.js

Classname management for @odjs/dom

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.classes = factory());
}(this, (function () { 'use strict';

  function eachTrue(base, callback, output) {
    for (var key in base) {
      if (base[key]) {
        output = callback(key, output);
      }
    }

    return output;
  }

  function normStrings(names, value, output) {
    var length = names.length;

    for (var i = 0; i < length; i++) {
      if (names[i]) {
        output[names[i]] = value;
      }
    }

    return output;
  }

  function processItem(item, output) {
    if (item && typeof item === 'object') {
      if (Array.isArray(item)) {
        normArray(item, output);
      } else {
        for (var key in item) {
          if ({}.hasOwnProperty.call(item, key)) {
            if (key) {
              var value = item[key];

              if (typeof value === 'function') {
                value = value(eachTrue(output, function (key, result) {
                  result[key] = true;
                  return result;
                }, {}), key.split(' '));
              }

              normStrings(key.split(' '), !!value, output);
            }
          }
        }
      }
    } else if (typeof item === 'function') {
      processItem(item(eachTrue(output, function (key, result) {
        result[key] = true;
        return result;
      }, {})), output);
    } else if (item != null) {
      var names = "" + item;

      if (names) {
        normStrings(names.split(' '), true, output);
      }
    }
  }

  function normArray(array, output) {
    var length = array.length;

    for (var i = 0; i < length; i++) {
      var item = array[i];
      processItem(item, output);
    }

    return output;
  }

  function classes() {
    return eachTrue(normArray(arguments, {}), function (name, result) {
      return result ? result + " " + name : name;
    }, '');
  }

  return classes;

})));
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