Method replaceParticle

external/.scrollLibs.js:17281–17292

(fn)

    return newParticles
  }
  replaceParticle(fn) {
    const parent = this.parent
    const index = this.index
    const newParticles = new Particle(fn(this.toString()))
    const returnedParticles = []
    newParticles.forEach((subparticle, subparticleIndex) => {
      const newParticle = parent.insertLineAndSubparticles(subparticle.getLine(), subparticle.subparticlesToString(), index + subparticleIndex)
      returnedParticles.push(newParticle)
    })
    this.destroy()
    return returnedParticles
  }
  insertLineAndSubparticles(line, subparticles, index) {
    return this._insertBlock(this._makeBlock(line, subparticles), index)
  }