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82 lines
2.8 KiB
82 lines
2.8 KiB
var Class = require('./Class');
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var keys = require('./keys');
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var safeGet = require('./safeGet');
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var isFn = require('./isFn');
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var isUndef = require('./isUndef');
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var isNum = require('./isNum');
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var isStr = require('./isStr');
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var isBool = require('./isBool');
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exports = Class(
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{
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className: 'Validator',
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initialize: function(options) {
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this._options = options;
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this._optKeys = keys(options);
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},
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validate: function(obj) {
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obj = obj || {};
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var options = this._options;
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var objKeys = this._optKeys;
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for (var i = 0, len = objKeys.length; i < len; i++) {
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var key = objKeys[i];
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var result = this._validateVal(
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safeGet(obj, key),
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options[key],
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key
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);
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if (result !== true) return result;
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}
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return true;
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},
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_validateVal: function(val, rules, objKey) {
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var plugins = exports.plugins;
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if (isFn(rules)) return rules(val);
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var ruleKeys = keys(rules);
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for (var i = 0, len = ruleKeys.length; i < len; i++) {
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var key = ruleKeys[i];
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var config = rules[key];
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var result = true;
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if (isFn(config)) result = config(val, objKey);
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var plugin = plugins[key];
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if (plugin) result = plugin(val, objKey, config);
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if (result !== true) return result;
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}
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return true;
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}
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},
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{
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plugins: {
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required: function(val, key, config) {
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if (config && isUndef(val)) return key + ' is required';
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return true;
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},
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number: function(val, key, config) {
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if (config && !isUndef(val) && !isNum(val))
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return key + ' should be a number';
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return true;
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},
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boolean: function(val, key, config) {
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if (config && !isUndef(val) && !isBool(val))
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return key + ' should be a boolean';
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return true;
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},
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string: function(val, key, config) {
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if (config && !isUndef(val) && !isStr(val))
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return key + ' should be a string';
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return true;
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},
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regexp: function(val, key, config) {
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if (isStr(val) && !config.test(val))
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return (
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key + ' should match given regexp ' + config.toString()
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);
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return true;
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}
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},
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addPlugin: function(name, plugin) {
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exports.plugins[name] = plugin;
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}
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}
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);
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module.exports = exports;
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