Function sanitizeStateCode

app/core/utils.js:1194–1197

(code)

        // returns null if can't find sanitized code in the state map

        const sanitizeStateCode = function (code) {
          code = _.isString(code) ? code.trim().toUpperCase().replace(/[^A-Z]/g, '') : null
          if (stateNamesByCode[code]) { return code } else { return null }
        }

        // returns a valid state name else null