marking_app/components/uni-forms/schema-validator.js
2021-02-05 17:26:08 +08:00

365 lines
9.1 KiB
JavaScript
Executable File

var pattern = {
email: /^\S+?@\S+?\.\S+?$/,
url: new RegExp("^(?!mailto:)(?:(?:http|https|ftp)://|//)(?:\\S+(?::\\S*)?@)?(?:(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[0-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)(?:\\.(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)*(?:\\.(?:[a-z\\u00a1-\\uffff]{2,})))|localhost)(?::\\d{2,5})?(?:(/|\\?|#)[^\\s]*)?$", 'i')
};
const FORMAT_MAPPING = {
"int": 'number',
"bool": 'boolean',
"double": 'number',
"long": 'number'
}
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 (type === 'array' && Array.isArray(value) && !value.length) {
return true;
}
return false;
}
class RuleValidator {
constructor(message) {
this._message = message
}
validateRule(key, value, data) {
var result = null
let rules = key.rules
let hasRequired = rules.findIndex((item) => { return item.required })
if (value === undefined && hasRequired < 0) {
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)
if (key.label !== undefined) {
Object.assign(rule, { label: key.label })
}
if (RuleValidatorHelper[vt]) {
var v = RuleValidatorHelper[vt](rule, value, message)
if (v != null) {
result = v
break
}
}
if (rule.validator) {
var res = rule.validator(rule, value, data)
if (!res) {
result = formatMessage(rule, rule.errorMessage || message[vt] || message['default'])
break
}
}
}
return result
}
_getValidateType(rule) {
// TODO
var result = ''
if (rule.required) {
result = 'required'
} else if (rule.enum || rule.maximum || rule.minimum || rule.maxLength || rule.minLength) {
result = 'range'
} else if (rule.format) {
result = 'format'
} else if (rule.pattern) {
result = 'pattern'
} else if (rule.validate) {
result = 'validate'
}
return result
}
}
const RuleValidatorHelper = {
required(rule, value, message) {
if (rule.required && isEmptyValue(value, rule.format)) {
return formatMessage(rule, rule.errorMessage || message.required);
}
return null
},
range(rule, value, message) {
var type = (rule.maximum || rule.minimum) ? 1 : 0
var min = type ? rule.minimum : rule.minLength;
var max = type ? rule.maximum : rule.maxLength;
var key = ['string', 'number'][type];
var val = type ? value : value.length;
var enumValue = rule.enum;
if (enumValue) {
if (enumValue.indexOf(value) < 0) {
return formatMessage(rule, message[key].len);
} else {
return null;
}
} else if (min && !max && val < min) {
return formatMessage(rule, rule.errorMessage || message[key].min)
} else if (max && !min && val > max) {
return formatMessage(rule, rule.errorMessage || message[key].max)
} else if (min && max && (val < min || val > max)) {
return formatMessage(rule, rule.errorMessage || message[key].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;
if (customTypes.indexOf(format) > -1) {
if (!types[format](value)) {
return formatMessage(rule, rule.errorMessage || message.types[format]);
}
}
return null
}
}
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) {
var v
if (value instanceof Date) {
v = value;
} else {
v = new Date(value);
}
return typeof v.getTime === 'function' && typeof v.getMonth === 'function' && typeof v.getYear === 'function' && !isNaN(v.getTime());
},
timestamp(value) {
if (!this.integer(value) || Math.abs(value).toString().length > 16) {
return false
}
return this.date(value);
},
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';
}
}
class SchemaValidator extends RuleValidator {
constructor(schema, options) {
super(SchemaValidator.message);
this._schema = schema
this._options = options || null
}
updateSchema(schema) {
this._schema = schema
}
validate(data) {
var checkResult = this._checkField(data)
if (checkResult) {
return checkResult
}
var result = this.invokeValidate(data, false)
return result.length ? result[0] : null
}
validateAll(data) {
var checkResult = this._checkField(data)
if (checkResult) {
return checkResult
}
return this.invokeValidate(data, true)
}
validateUpdate(data) {
var checkResult = this._checkField(data)
if (checkResult) {
return checkResult
}
var result = this.invokeValidateUpdate(data, false)
return result.length ? result[0] : null
}
invokeValidate(data, all) {
let result = []
let schema = this._schema
for (let key in schema) {
let value = schema[key]
let vir = this.validateRule(value, data[key], data)
if (vir != null) {
result.push({
key: key,
errorMessage: vir
})
if (!all) break
}
}
return result
}
invokeValidateUpdate(data, all) {
let result = []
for (let key in data) {
let vir = this.validateRule(this._schema[key], data[key], data)
if (vir != null) {
result.push({
key: key,
errorMessage: vir
})
if (!all) break
}
}
return result
}
_checkField(data) {
var keys = Object.keys(data)
var keys2 = Object.keys(this._schema)
if (new Set(keys.concat(keys2)).size === keys2.length) {
return ''
}
return [{ key: 'invalid', errorMessage: SchemaValidator.message['defaultInvalid'] }]
}
}
function Message() {
return {
default: '验证错误',
defaultInvalid: '非法字段',
required: '{label}必填',
'enum': '{label}不合法',
whitespace: '{label}不能为空',
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'
},
types: {
string: '{label}类型无效',
array: '{label}类型无效',
object: '{label}类型无效',
number: '{label}类型无效',
date: '{label}类型无效',
boolean: '{label}类型无效',
integer: '{label}类型无效',
float: '{label}类型无效',
regexp: '{label}无效',
email: '{label}类型无效',
url: '{label}类型无效'
},
string: {
len: '{label}必须为{length}个字符',
min: '{label}不能少于 {minLength}个字符',
max: '{label}不能超过 {maxLength}个字符',
range: '{label}必须介于 {minLength}和{maxLength}个字符之间'
},
number: {
len: '{label}必须等于{length}',
min: '{label}不能小于{minimum}',
max: '{label}不能大于{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