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node_modules/moment/src/lib/locale/set.js 1.68 KB
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  import isFunction from '../utils/is-function';
  import extend from '../utils/extend';
  import isObject from '../utils/is-object';
  import hasOwnProp from '../utils/has-own-prop';
  
  export function set (config) {
      var prop, i;
      for (i in config) {
          prop = config[i];
          if (isFunction(prop)) {
              this[i] = prop;
          } else {
              this['_' + i] = prop;
          }
      }
      this._config = config;
      // Lenient ordinal parsing accepts just a number in addition to
      // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.
      // TODO: Remove "ordinalParse" fallback in next major release.
      this._dayOfMonthOrdinalParseLenient = new RegExp(
          (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +
              '|' + (/\d{1,2}/).source);
  }
  
  export function mergeConfigs(parentConfig, childConfig) {
      var res = extend({}, parentConfig), prop;
      for (prop in childConfig) {
          if (hasOwnProp(childConfig, prop)) {
              if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
                  res[prop] = {};
                  extend(res[prop], parentConfig[prop]);
                  extend(res[prop], childConfig[prop]);
              } else if (childConfig[prop] != null) {
                  res[prop] = childConfig[prop];
              } else {
                  delete res[prop];
              }
          }
      }
      for (prop in parentConfig) {
          if (hasOwnProp(parentConfig, prop) &&
                  !hasOwnProp(childConfig, prop) &&
                  isObject(parentConfig[prop])) {
              // make sure changes to properties don't modify parent config
              res[prop] = extend({}, res[prop]);
          }
      }
      return res;
  }