File size: 1,993 Bytes
0936134 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | import Vue from 'vue'
import { isObject, isFunction } from 'lodash'
import required from './rules/required'
import maxLength from './rules/maxLength'
import minLength from './rules/minLength'
import max from './rules/max'
import min from './rules/min'
import numeric from './rules/numeric'
import pattern from './rules/pattern'
import type from './type'
/**
* 变量匹配正则
*
* @type {RegExp}
*/
const ruleValueRe = /\$?\{ruleValue\}/g
const valueRe = /\$?\{value\}/g
export class Rule {
constructor () {
this.ruleValidators = new Vue({
data: {
required,
maxLength,
minLength,
max,
min,
numeric,
pattern
}
})
}
validate (val, rules, context) {
if (!rules || !rules.length) {
return true
}
rules = Array.isArray(rules) ? rules : [rules]
let contextData = type.clone(context)
let results = rules.map(rule => {
let validator = this.ruleValidators[rule.name]
if (!validator.validate(val, rule.value, contextData)) {
let realMessage = rule.message || validator.message
return {
name: rule.name,
message: isFunction(realMessage)
? realMessage(val, rule.value)
: (realMessage + '')
.replace(ruleValueRe, rule.value)
.replace(valueRe, val)
}
}
// 代表没错
return true
})
// 只返回出错的就好
results = results.filter(res => isObject(res))
return results.length ? results : true
}
initRules (rules) {
// 根据优先级排一下显示顺序
rules.sort((x, y) => {
let priorityX = x.priority || this.ruleValidators[x.name].priority
let priorityY = y.priority || this.ruleValidators[y.name].priority
return priorityX >= priorityY
})
}
addRule (rule, validator) {
if (!(rule in this.ruleValidators)) {
this.ruleValidators[rule] = validator
}
}
}
export default new Rule()
|