Method appendUniqueLine

external/.scrollLibs.js:17148–17151

(line)

    return this._insertBlock(line)
  }
  appendUniqueLine(line) {
    if (!this.hasLine(line)) return this.appendLine(line)
    return this.findLine(line)
  }
  appendLineAndSubparticles(line, subparticles) {
    return this._insertBlock(this._makeBlock(line, subparticles))
  }