Method decreaseNestingLevel

src/trix/models/block.js:116–123

()

  }

  decreaseNestingLevel() {
    const attribute = this.getLastNestableAttribute()
    if (attribute) {
      return this.removeAttribute(attribute)
    } else {
      return this
    }
  }

  increaseNestingLevel() {
    const attribute = this.getLastNestableAttribute()