check operation's base length before applying it to a string
check operation's base length before applying it to a string

pingyuanChen/ot.js,abhishekgahlot/ot.js,rike422/operatta-js,pingyuanChen/ot.js,abhishekgahlot/ot.js,Operational-Transformation/ot.js,abhishekgahlot/ot.js,kidaa/javascript-operational-transformation,Operational-Transformation/ot.js,Operational-Transformation/ot.js,kidaa/javascript-operational-transformation,pingyuanChen/ot.js