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verifyData.js
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verifyData.js
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(function (global) {
//use IIFS to protect library
const VerifyData = function (itemID, category, customMessage, extraInfo) {
//Use VerifyData without NEW
return new VerifyData.init(itemID, category, customMessage, extraInfo);
}
//create closure variable
const supportCategory = [
'Empty', 'Num', 'Date',
'Positive', 'Email', 'SocialID',
'Cellphone', 'Telphone', 'Plate',
'Compare', 'Range', 'Custom'
];
const errorMessage = [
'必填', '只能填入數字', '日期格式不符',
'只能填入正整數', '信箱格式不符', '身分證格式不符',
'手機號碼格式不符', '號碼格式不符', '車牌格式不符',
'比對失敗', '超出範圍', '格式不符'
];
const rangeType = ['Date', 'Num'];
let rangeMax, rangeMin;
let verifyResult;
VerifyData.prototype = {
//VerifyData prototype
validate: function () {
// check item exist and category support
let exception = '';
if (!global.document.getElementById(this.itemID)) {
exception = ' Invaild Item';
}
if (supportCategory.indexOf(this.category) === -1) {
exception += ' Invaild Category ';
}
if (exception != '') {
throw exception;
}
},
verify: function (category) {
const value = this.value;
let result = true;
let dtRegex;
switch (category) {
case 'Empty':
if (value == "") {
// format error
result = false;
}
break;
case 'Num':
dtRegex = new RegExp(/^\d+/);
if (!dtRegex.test(value) || isNaN(value)) {
// format error
result = false;
}
break;
case 'Date':
dtRegex = new RegExp(/^(\d{4})[\/|\-](\d{1,2})[\/|\-](\d{1,2}){1}$/);
if (!dtRegex.test(value)) {
// format error
result = false;
} else {
// overflow error
const inputdate = dtRegex.exec(value),
inputday = new Date(value);
if (inputday.getFullYear() != inputdate[1] || (inputday.getMonth() + 1) != inputdate[2] || inputday.getDate() != inputdate[3]) {
result = false;
}
}
break;
case 'Positive':
dtRegex = new RegExp(/^\+?\d\d*$/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'Email':
dtRegex = new RegExp(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z]+$/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'SocialID':
dtRegex = new RegExp(/[a-zA-Z]{1}\d{9}/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'Cellphone':
dtRegex = new RegExp(/(^09\d{8})|(^\+(\d{12}|\d{3}\s\d{9}))/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'Telphone':
dtRegex = new RegExp(/^03((\-|\s){0,1}\d{7})/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'Plate':
dtRegex = new RegExp(/([a-zA-Z]{2,3}|\d{2,3})\-([a-zA-Z]{2,4}|\d{2,4})/);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
case 'Compare':
//extraInfo as item2
const item2 = global.document.getElementById(this.extraInfo);
if (item.value != item2.value) {
// format error
result = false;
}
break;
case 'Range':
//extraInfo as type
if (extraInfo == 'Date') {
const userValue = new Date(value),
maxDate = new Date(max),
minDate = new Date(min);
if (maxDate < userValue || userValue < minDate) {
result = false;
}
} else if ((extraInfo == 'Num')) {
const userValue = parseInt(value),
max = parseInt(max),
min = parseInt(min);
if (max < userValue || userValue < min) {
result = false;
}
}
break;
case 'Custom':
dtRegex = new RegExp(extraInfo);
if (!dtRegex.test(value)) {
// format error
result = false;
}
break;
default:
break;
}
this.verifyResult = result;
},
verifyData: function () {
//verify data and return result
this.validate();
const item = global.document.getElementById(this.itemID);
item.addEventListener('change', function () {
this.verify(this.category);
}, false);
return this;
},
showResult: function () {
//show verify result
return this.verifyResult;
},
showMessage: function () {
//show error message
let result = "";
const categoryid = supportCategory.indexOf(this.category);
result = this.customMessage !== '' ? this.customMessage : errorMessage[categoryid];
return result;
},
showUserInput: function () {
//show user input
let item = global.document.getElementById(this.itemID);
return item.value;
},
setItem: function (itemID, category) {
//Set item ID and verify category
this.itemID = itemID;
this.category = category;
this.validate();
return this;
},
setMessage: function (message) {
//set custom message
this.customMessage = message;
return this;
},
setCompare: function (item2ID) {
//set compare item
if (global.document.getElementById(item2ID)) {
throw "Invaild Item";
}
this.extraInfo = item2ID;
return this;
},
setRange: function (type, max, min) {
//set range type、max、min
if (this.rangeType.indexOf(type) === -1) {
throw "Invaild type";
}
this.extraInfo = type;
this.max = max;
this.min = min;
return this;
},
setCustom: function (dtRegex) {
//set custom verify method
this.extraInfo = dtRegex;
return this;
}
};
VerifyData.init = function (itemID, category, customMessage, extraInfo) {
const self = this; //Prevent Use this
self.itemID = itemID || '';
self.category = category || 'Empty';
self.customMessage = customMessage || '';
self.extraInfo = extraInfo || '';
}
VerifyData.init.prototype = VerifyData.prototype; //Save prototype
global.VerifyData = global.VD$ = VerifyData; //use VD$() or VerifyData to Create
})(window);