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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,3 @@ | ||
| exports.Schema = require('./lib/schema'); | ||
| exports.AbstractClass = require('./lib/abstract-class'); | ||
| exports.Validatable = require('./lib/validatable'); | ||
| exports.Schema = require('./lib/schema').Schema; | ||
| exports.AbstractClass = require('./lib/abstract-class').AbstractClass; | ||
| exports.Validatable = require('./lib/validatable').Validatable; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| exports.inherits = function (newClass, baseClass) { | ||
| Object.keys(baseClass).forEach(function (classMethod) { | ||
| newClass[classMethod] = baseClass[classMethod]; | ||
| }); | ||
| Object.keys(baseClass.prototype).forEach(function (instanceMethod) { | ||
| newClass.prototype[instanceMethod] = baseClass.prototype[instanceMethod]; | ||
| }); | ||
| }; | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| exports.Validatable = Validatable; | ||
|
|
||
| function Validatable() { | ||
| // validatable class | ||
| }; | ||
|
|
||
| Validatable.validatesPresenceOf = getConfigurator('presence'); | ||
| Validatable.validatesLengthOf = getConfigurator('length'); | ||
| Validatable.validatesNumericalityOf = getConfigurator('numericality'); | ||
| Validatable.validatesInclusionOf = getConfigurator('inclusion'); | ||
| Validatable.validatesExclusionOf = getConfigurator('exclusion'); | ||
|
|
||
| function getConfigurator(name) { | ||
| return function () { | ||
| configure(this, name, arguments); | ||
| }; | ||
| } | ||
|
|
||
| Validatable.prototype.isValid = function () { | ||
| var valid = true, inst = this; | ||
| if (!this.constructor._validations) { | ||
| Object.defineProperty(this, 'errors', { | ||
| enumerable: false, | ||
| configurable: true, | ||
| value: false | ||
| }); | ||
| return valid; | ||
| } | ||
| Object.defineProperty(this, 'errors', { | ||
| enumerable: false, | ||
| configurable: true, | ||
| value: new Errors | ||
| }); | ||
| this.constructor._validations.forEach(function (v) { | ||
| if (validationFailed(inst, v)) { | ||
| valid = false; | ||
| } | ||
| }); | ||
| if (valid) { | ||
| Object.defineProperty(this, 'errors', { | ||
| enumerable: false, | ||
| configurable: true, | ||
| value: false | ||
| }); | ||
| } | ||
| return valid; | ||
| }; | ||
|
|
||
| function validationFailed(inst, v) { | ||
| var attr = v[0]; | ||
| var conf = v[1]; | ||
| // here we should check skip validation conditions (if, unless) | ||
| // that can be specified in conf | ||
| var fail = false; | ||
| validators[conf.validation].call(inst, attr, conf, function onerror(kind) { | ||
| var message; | ||
| if (conf.message) { | ||
| message = conf.message; | ||
| } | ||
| if (!message && defaultMessages[conf.validation]) { | ||
| message = defaultMessages[conf.validation]; | ||
| } | ||
| if (!message) { | ||
| message = 'is invalid'; | ||
| } | ||
| if (kind) { | ||
| if (message[kind]) { | ||
| // get deeper | ||
| message = message[kind]; | ||
| } else if (defaultMessages.common[kind]) { | ||
| message = defaultMessages.common[kind]; | ||
| } | ||
| } | ||
| inst.errors.add(attr, message); | ||
| fail = true; | ||
| }); | ||
| return fail; | ||
| } | ||
|
|
||
| var defaultMessages = { | ||
| presence: 'can\'t be blank', | ||
| length: { | ||
| min: 'too short', | ||
| max: 'too long', | ||
| is: 'length is wrong' | ||
| }, | ||
| common: { | ||
| blank: 'is blank', | ||
| 'null': 'is null' | ||
| }, | ||
| numericality: { | ||
| 'int': 'is not an integer', | ||
| 'number': 'is not a number' | ||
| }, | ||
| inclusion: 'is not included in the list', | ||
| exclusion: 'is reserved' | ||
| }; | ||
|
|
||
| var validators = { | ||
| presence: function (attr, conf, err) { | ||
| if (blank(this[attr])) { | ||
| err(); | ||
| } | ||
| }, | ||
| length: function (attr, conf, err) { | ||
| var isNull = this[attr] === null || !(attr in this); | ||
| if (isNull) { | ||
| if (conf.allowNull) { | ||
| return true; | ||
| } else { | ||
| return err('null'); | ||
| } | ||
| } else { | ||
| if (blank(this[attr])) { | ||
| if (conf.allowBlank) { | ||
| return true; | ||
| } else { | ||
| return err('blank'); | ||
| } | ||
| } | ||
| } | ||
| var len = this[attr].length; | ||
| if (conf.min && len < conf.min) { | ||
| err('min'); | ||
| } | ||
| if (conf.max && len > conf.max) { | ||
| err('max'); | ||
| } | ||
| if (conf.is && len !== conf.is) { | ||
| err('is'); | ||
| } | ||
| }, | ||
| numericality: function (attr, conf, err) { | ||
| if (typeof this[attr] !== 'number') { | ||
| return err('number'); | ||
| } | ||
| if (conf.int && this[attr] !== Math.round(this[attr])) { | ||
| return err('int'); | ||
| } | ||
| }, | ||
| inclusion: function (attr, conf, err) { | ||
| if (!~conf.in.indexOf(this[attr])) { | ||
| err() | ||
| } | ||
| }, | ||
| exclusion: function (attr, conf, err) { | ||
| if (~conf.in.indexOf(this[attr])) { | ||
| err() | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| function blank(v) { | ||
| if (typeof v === 'undefined') return true; | ||
| if (v instanceof Array && v.length === 0) return true; | ||
| if (v === null) return true; | ||
| if (typeof v == 'string' && v === '') return true; | ||
| return false; | ||
| } | ||
|
|
||
| function configure(class, validation, args) { | ||
| if (!class._validations) { | ||
| Object.defineProperty(class, '_validations', { | ||
| writable: true, | ||
| configurable: true, | ||
| enumerable: false, | ||
| value: [] | ||
| }); | ||
| } | ||
| args = [].slice.call(args); | ||
| var conf; | ||
| if (typeof args[args.length - 1] === 'object') { | ||
| conf = args.pop(); | ||
| } else { | ||
| conf = {}; | ||
| } | ||
| conf.validation = validation; | ||
| args.forEach(function (attr) { | ||
| class._validations.push([attr, conf]); | ||
| }); | ||
| } | ||
|
|
||
| function Errors() { | ||
| } | ||
|
|
||
| Errors.prototype.add = function (field, message) { | ||
| if (!this[field]) { | ||
| this[field] = [message]; | ||
| } else { | ||
| this[field].push(message); | ||
| } | ||
| }; |
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