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syuilo
2017-03-02 03:16:39 +09:00
parent 6256a8bdfc
commit a53edc96be
3 changed files with 39 additions and 31 deletions
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26
src/api/validator.ts
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@ -2,7 +2,15 @@ import * as mongo from 'mongodb';
type Type = 'id' | 'string' | 'number' | 'boolean' | 'array' | 'object';
export default <T>(value: any, isRequired: boolean, type: Type, validator?: (any) => boolean): [T, string] => {
type Validator<T> = ((x: T) => boolean | string) | ((x: T) => boolean | string)[];
function validate(value: any, type: 'id', isRequired?: boolean): [mongo.ObjectID, string];
function validate(value: any, type: 'string', isRequired?: boolean, validator?: Validator<string>): [string, string];
function validate(value: any, type: 'number', isRequired?: boolean, validator?: Validator<number>): [number, string];
function validate(value: any, type: 'boolean', isRequired?: boolean): [boolean, string];
function validate(value: any, type: 'array', isRequired?: boolean, validator?: Validator<any[]>): [any[], string];
function validate(value: any, type: 'object', isRequired?: boolean, validator?: Validator<Object>): [Object, string];
function validate<T>(value: any, type: Type, isRequired?: boolean, validator?: Validator<T>): [T, string] {
if (value === undefined || value === null) {
if (isRequired) {
return [null, 'is-required']
@ -49,11 +57,21 @@ export default <T>(value: any, isRequired: boolean, type: Type, validator?: (any
break;
}
if (type == 'id') value = new mongo.ObjectID(value);
if (validator) {
if (!validator(value)) {
return [null, 'invalid-format'];
const validators = Array.isArray(validator) ? validator : [validator];
for (let i = 0; i < validators.length; i++) {
const result = validators[i](value);
if (result === false) {
return [null, 'invalid-format'];
} else if (typeof result == 'string') {
return [null, result];
}
}
}
return [value, null];
};
}
export default validate;