Method where

external/.scrollLibs.js:15886–15912

(columnName, operator, fixedValue)

  // todo: preserve subclasses!
  // todo: preserve links back to parent so you could edit as normal?
  where(columnName, operator, fixedValue) {
    const isArray = Array.isArray(fixedValue)
    const valueType = isArray ? typeof fixedValue[0] : typeof fixedValue
    let parser
    if (valueType === "number") parser = parseFloat
    const fn = particle => {
      const atom = particle.get(columnName)
      const typedAtom = parser ? parser(atom) : atom
      if (operator === WhereOperators.equal) return fixedValue === typedAtom
      else if (operator === WhereOperators.notEqual) return fixedValue !== typedAtom
      else if (operator === WhereOperators.includes) return typedAtom !== undefined && typedAtom.includes(fixedValue)
      else if (operator === WhereOperators.doesNotInclude) return typedAtom === undefined || !typedAtom.includes(fixedValue)
      else if (operator === WhereOperators.greaterThan) return typedAtom > fixedValue
      else if (operator === WhereOperators.lessThan) return typedAtom < fixedValue
      else if (operator === WhereOperators.greaterThanOrEqual) return typedAtom >= fixedValue
      else if (operator === WhereOperators.lessThanOrEqual) return typedAtom <= fixedValue
      else if (operator === WhereOperators.empty) return !particle.has(columnName)
      else if (operator === WhereOperators.notEmpty) return particle.has(columnName) || (atom !== "" && atom !== undefined)
      else if (operator === WhereOperators.in && isArray) return fixedValue.includes(typedAtom)
      else if (operator === WhereOperators.notIn && isArray) return !fixedValue.includes(typedAtom)
    }
    const result = new Particle()
    this.filter(fn).forEach(particle => {
      result.appendParticle(particle)
    })
    return result
  }
  with(cue) {
    return this.filter(particle => particle.has(cue))
  }