Method replace

packages/jss/src/RuleList.js:93–102

* Replace rule. * Create a new rule and remove old one instead of overwriting * because we want to invoke onCreateRule hook to make plugins work.

(name, decl, ruleOptions)

   * because we want to invoke onCreateRule hook to make plugins work.
   */
  replace(name, decl, ruleOptions) {
    const oldRule = this.get(name)
    const oldIndex = this.index.indexOf(oldRule)
    if (oldRule) {
      this.remove(oldRule)
    }
    let options = ruleOptions
    if (oldIndex !== -1) options = {...ruleOptions, index: oldIndex}
    return this.add(name, decl, options)
  }

  /**
   * Get a rule by name or selector.