Method fromCsv

external/.scrollLibs.js:17617–17619

(str)

    this._getUndoStack().push(newVersion) // todo: use diffs?
  }
  static fromCsv(str) {
    return this.fromDelimited(str, ",", '"')
  }
  // todo: jeez i think we can come up with a better name than "JsonSubset"
  static fromJsonSubset(str) {
    return new Particle(JSON.parse(str))