Method replaceFn

external/.scrollLibs.js:17016–17023

      const uses = allUses.filter(particle => particle.hasAtom(1, macroName))
      const params = def.getAtomsFrom(2)
      const replaceFn = str => {
        const paramValues = str.split(atomBreakSymbol).slice(2)
        let newParticle = def.subparticlesToString()
        params.forEach((param, index) => {
          newParticle = newParticle.replace(new RegExp(param, "g"), paramValues[index])
        })
        return newParticle
      }
      uses.forEach(particle => {
        particle.replaceParticle(replaceFn)
      })