nl_tokens: Rule for validating minimum and maximum allowed values .
pl_tokens: function range ( rule , value , source , errors , options ) { const len = typeof rule . len === 'number' ; const min = typeof rule . min === 'number' ; const max = typeof rule . max === 'number' ; // 正则匹配码点范围从U+010000一直到U+10FFFF的文字（补充平面Supplementary Plane） const spRegexp = / [\uD800-\uDBFF][\uDC00-\uDFFF] / g ; let val = value ; let key = null ; const num = typeof ( value ) === 'number' ; const str = typeof ( value ) === 'string' ; const arr = Array . isArray ( value ) ; if ( num ) { key = 'number' ; } else if ( str ) { key = 'string' ; } else if ( arr ) { key = 'array' ; } // if the value is not of a supported type for range validation // the validation rule rule should use the // type property to also test for a particular type if ( ! key ) { return false ; } if ( arr ) { val = value . length ; } if ( str ) { // 处理码点大于U+010000的文字length属性不准确的bug，如"𠮷𠮷𠮷".lenght !== 3 val = value . replace ( spRegexp , '_' ) . length ; } if ( len ) { if ( val !== rule . len ) { errors . push ( util . format ( options . messages [ key ] . len , rule . fullField , rule . len ) ) ; } } else if ( min && ! max && val < rule . min ) { errors . push ( util . format ( options . messages [ key ] . min , rule . fullField , rule . min ) ) ; } else if ( max && ! min && val > rule . max ) { errors . push ( util . <mask> ( options . messages [ key ] . max , rule . fullField , rule . max ) ) ; } else if ( min && max && ( val < rule . min || val > rule . max ) ) { errors . push ( util . format ( options . messages [ key ] . range , rule . fullField , rule . min , rule . max ) ) ; } }