talk_appAmin/uni_modules/uni-forms/components/uni-forms/validate.js

487 lines
12 KiB
JavaScript

var pattern = {
email: /^\S+?@\S+?\.\S+?$/,
idcard: /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/,
url: new RegExp(
"^(?!mailto:)(?:(?:http|https|ftp)://|//)(?:\\S+(?::\\S*)?@)?(?:(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[0-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)(?:\\.(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)*(?:\\.(?:[a-z\\u00a1-\\uffff]{2,})))|localhost)(?::\\d{2,5})?(?:(/|\\?|#)[^\\s]*)?$",
'i')
};
const FORMAT_MAPPING = {
"int": 'integer',
"bool": 'boolean',
"double": 'number',
"long": 'number',
"password": 'string'
// "fileurls": 'array'
}
function formatMessage(args, resources = '') {
var defaultMessage = ['label']
defaultMessage.forEach((item) => {
if (args[item] === undefined) {
args[item] = ''
}
})
let str = resources
for (let key in args) {
let reg = new RegExp('{' + key + '}')
str = str.replace(reg, args[key])
}
return str
}
function isEmptyValue(value, type) {
if (value === undefined || value === null) {
return true;
}
if (typeof value === 'string' && !value) {
return true;
}
if (Array.isArray(value) && !value.length) {
return true;
}
if (type === 'object' && !Object.keys(value).length) {
return true;
}
return false;
}
const types = {
integer(value) {
return types.number(value) && parseInt(value, 10) === value;
},
string(value) {
return typeof value === 'string';
},
number(value) {
if (isNaN(value)) {
return false;
}
return typeof value === 'number';
},
"boolean": function(value) {
return typeof value === 'boolean';
},
"float": function(value) {
return types.number(value) && !types.integer(value);
},
array(value) {
return Array.isArray(value);
},
object(value) {
return typeof value === 'object' && !types.array(value);
},
date(value) {
return value instanceof Date;
},
timestamp(value) {
if (!this.integer(value) || Math.abs(value).toString().length > 16) {
return false
}
return true;
},
file(value) {
return typeof value.url === 'string';
},
email(value) {
return typeof value === 'string' && !!value.match(pattern.email) && value.length < 255;
},
url(value) {
return typeof value === 'string' && !!value.match(pattern.url);
},
pattern(reg, value) {
try {
return new RegExp(reg).test(value);
} catch (e) {
return false;
}
},
method(value) {
return typeof value === 'function';
},
idcard(value) {
return typeof value === 'string' && !!value.match(pattern.idcard);
},
'url-https'(value) {
return this.url(value) && value.startsWith('https://');
},
'url-scheme'(value) {
return value.startsWith('://');
},
'url-web'(value) {
return false;
}
}
class RuleValidator {
constructor(message) {
this._message = message
}
async validateRule(fieldKey, fieldValue, value, data, allData) {
var result = null
let rules = fieldValue.rules
let hasRequired = rules.findIndex((item) => {
return item.required
})
if (hasRequired < 0) {
if (value === null || value === undefined) {
return result
}
if (typeof value === 'string' && !value.length) {
return result
}
}
var message = this._message
if (rules === undefined) {
return message['default']
}
for (var i = 0; i < rules.length; i++) {
let rule = rules[i]
let vt = this._getValidateType(rule)
Object.assign(rule, {
label: fieldValue.label || `["${fieldKey}"]`
})
if (RuleValidatorHelper[vt]) {
result = RuleValidatorHelper[vt](rule, value, message)
if (result != null) {
break
}
}
if (rule.validateExpr) {
let now = Date.now()
let resultExpr = rule.validateExpr(value, allData, now)
if (resultExpr === false) {
result = this._getMessage(rule, rule.errorMessage || this._message['default'])
break
}
}
if (rule.validateFunction) {
result = await this.validateFunction(rule, value, data, allData, vt)
if (result !== null) {
break
}
}
}
if (result !== null) {
result = message.TAG + result
}
return result
}
async validateFunction(rule, value, data, allData, vt) {
let result = null
try {
let callbackMessage = null
const res = await rule.validateFunction(rule, value, allData || data, (message) => {
callbackMessage = message
})
if (callbackMessage || (typeof res === 'string' && res) || res === false) {
result = this._getMessage(rule, callbackMessage || res, vt)
}
} catch (e) {
result = this._getMessage(rule, e.message, vt)
}
return result
}
_getMessage(rule, message, vt) {
return formatMessage(rule, message || rule.errorMessage || this._message[vt] || message['default'])
}
_getValidateType(rule) {
var result = ''
if (rule.required) {
result = 'required'
} else if (rule.format) {
result = 'format'
} else if (rule.arrayType) {
result = 'arrayTypeFormat'
} else if (rule.range) {
result = 'range'
} else if (rule.maximum !== undefined || rule.minimum !== undefined) {
result = 'rangeNumber'
} else if (rule.maxLength !== undefined || rule.minLength !== undefined) {
result = 'rangeLength'
} else if (rule.pattern) {
result = 'pattern'
} else if (rule.validateFunction) {
result = 'validateFunction'
}
return result
}
}
const RuleValidatorHelper = {
required(rule, value, message) {
if (rule.required && isEmptyValue(value, rule.format || typeof value)) {
return formatMessage(rule, rule.errorMessage || message.required);
}
return null
},
range(rule, value, message) {
const {
range,
errorMessage
} = rule;
let list = new Array(range.length);
for (let i = 0; i < range.length; i++) {
const item = range[i];
if (types.object(item) && item.value !== undefined) {
list[i] = item.value;
} else {
list[i] = item;
}
}
let result = false
if (Array.isArray(value)) {
result = (new Set(value.concat(list)).size === list.length);
} else {
if (list.indexOf(value) > -1) {
result = true;
}
}
if (!result) {
return formatMessage(rule, errorMessage || message['enum']);
}
return null
},
rangeNumber(rule, value, message) {
if (!types.number(value)) {
return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
}
let {
minimum,
maximum,
exclusiveMinimum,
exclusiveMaximum
} = rule;
let min = exclusiveMinimum ? value <= minimum : value < minimum;
let max = exclusiveMaximum ? value >= maximum : value > maximum;
if (minimum !== undefined && min) {
return formatMessage(rule, rule.errorMessage || message['number'][exclusiveMinimum ?
'exclusiveMinimum' : 'minimum'
])
} else if (maximum !== undefined && max) {
return formatMessage(rule, rule.errorMessage || message['number'][exclusiveMaximum ?
'exclusiveMaximum' : 'maximum'
])
} else if (minimum !== undefined && maximum !== undefined && (min || max)) {
return formatMessage(rule, rule.errorMessage || message['number'].range)
}
return null
},
rangeLength(rule, value, message) {
if (!types.string(value) && !types.array(value)) {
return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
}
let min = rule.minLength;
let max = rule.maxLength;
let val = value.length;
if (min !== undefined && val < min) {
return formatMessage(rule, rule.errorMessage || message['length'].minLength)
} else if (max !== undefined && val > max) {
return formatMessage(rule, rule.errorMessage || message['length'].maxLength)
} else if (min !== undefined && max !== undefined && (val < min || val > max)) {
return formatMessage(rule, rule.errorMessage || message['length'].range)
}
return null
},
pattern(rule, value, message) {
if (!types['pattern'](rule.pattern, value)) {
return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
}
return null
},
format(rule, value, message) {
var customTypes = Object.keys(types);
var format = FORMAT_MAPPING[rule.format] ? FORMAT_MAPPING[rule.format] : (rule.format || rule.arrayType);
if (customTypes.indexOf(format) > -1) {
if (!types[format](value)) {
return formatMessage(rule, rule.errorMessage || message.typeError);
}
}
return null
},
arrayTypeFormat(rule, value, message) {
if (!Array.isArray(value)) {
return formatMessage(rule, rule.errorMessage || message.typeError);
}
for (let i = 0; i < value.length; i++) {
const element = value[i];
let formatResult = this.format(rule, element, message)
if (formatResult !== null) {
return formatResult
}
}
return null
}
}
class SchemaValidator extends RuleValidator {
constructor(schema, options) {
super(SchemaValidator.message);
this._schema = schema
this._options = options || null
}
updateSchema(schema) {
this._schema = schema
}
async validate(data, allData) {
let result = this._checkFieldInSchema(data)
if (!result) {
result = await this.invokeValidate(data, false, allData)
}
return result.length ? result[0] : null
}
async validateAll(data, allData) {
let result = this._checkFieldInSchema(data)
if (!result) {
result = await this.invokeValidate(data, true, allData)
}
return result
}
async validateUpdate(data, allData) {
let result = this._checkFieldInSchema(data)
if (!result) {
result = await this.invokeValidateUpdate(data, false, allData)
}
return result.length ? result[0] : null
}
async invokeValidate(data, all, allData) {
let result = []
let schema = this._schema
for (let key in schema) {
let value = schema[key]
let errorMessage = await this.validateRule(key, value, data[key], data, allData)
if (errorMessage != null) {
result.push({
key,
errorMessage
})
if (!all) break
}
}
return result
}
async invokeValidateUpdate(data, all, allData) {
let result = []
for (let key in data) {
let errorMessage = await this.validateRule(key, this._schema[key], data[key], data, allData)
if (errorMessage != null) {
result.push({
key,
errorMessage
})
if (!all) break
}
}
return result
}
_checkFieldInSchema(data) {
var keys = Object.keys(data)
var keys2 = Object.keys(this._schema)
if (new Set(keys.concat(keys2)).size === keys2.length) {
return ''
}
var noExistFields = keys.filter((key) => {
return keys2.indexOf(key) < 0;
})
var errorMessage = formatMessage({
field: JSON.stringify(noExistFields)
}, SchemaValidator.message.TAG + SchemaValidator.message['defaultInvalid'])
return [{
key: 'invalid',
errorMessage
}]
}
}
function Message() {
return {
TAG: "",
default: '验证错误',
defaultInvalid: '提交的字段{field}在数据库中并不存在',
validateFunction: '验证无效',
required: '{label}必填',
'enum': '{label}超出范围',
timestamp: '{label}格式无效',
whitespace: '{label}不能为空',
typeError: '{label}类型无效',
date: {
format: '{label}日期{value}格式无效',
parse: '{label}日期无法解析,{value}无效',
invalid: '{label}日期{value}无效'
},
length: {
minLength: '{label}长度不能少于{minLength}',
maxLength: '{label}长度不能超过{maxLength}',
range: '{label}必须介于{minLength}和{maxLength}之间'
},
number: {
minimum: '{label}不能小于{minimum}',
maximum: '{label}不能大于{maximum}',
exclusiveMinimum: '{label}不能小于等于{minimum}',
exclusiveMaximum: '{label}不能大于等于{maximum}',
range: '{label}必须介于{minimum}and{maximum}之间'
},
pattern: {
mismatch: '{label}格式不匹配'
}
};
}
SchemaValidator.message = new Message();
export default SchemaValidator