import * as util from '../util';
|
|
/**
|
* Rule for validating minimum and maximum allowed values.
|
*
|
* @param rule The validation rule.
|
* @param value The value of the field on the source object.
|
* @param source The source object being validated.
|
* @param errors An array of errors that this rule may add
|
* validation errors to.
|
* @param options The validation options.
|
* @param options.messages The validation messages.
|
*/
|
function range(rule, value, source, errors, options) {
|
var len = typeof rule.len === 'number';
|
var min = typeof rule.min === 'number';
|
var 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）
|
var spRegexp = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
|
var val = value;
|
var key = null;
|
var num = typeof value === 'number';
|
var str = typeof value === 'string';
|
var 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.format(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));
|
}
|
}
|
|
export default range;
|
