This commit is contained in:
syuilo 2017-03-02 01:06:16 +09:00
parent 727f30777f
commit 73deef0ca7
1 changed files with 53 additions and 0 deletions

53
src/api/validator.ts Normal file
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import * as mongo from 'mongodb';
type Type = 'id' | 'string' | 'number' | 'boolean' | 'array' | 'object';
export default <T>(value: any, isRequired: boolean, type: Type): [T, string] => {
if (value === undefined || value === null) {
if (isRequired) {
return [null, 'is-required']
} else {
return [null, null]
}
}
switch (type) {
case 'id':
if (typeof value != 'string' || !mongo.ObjectID.isValid(value)) {
return [null, 'incorrect-id'];
}
break;
case 'string':
if (typeof value != 'string') {
return [null, 'must-be-a-string'];
}
break;
case 'number':
if (!Number.isFinite(value)) {
return [null, 'must-be-a-number'];
}
break;
case 'boolean':
if (typeof value != 'boolean') {
return [null, 'must-be-an-boolean'];
}
break;
case 'array':
if (!Array.isArray(value)) {
return [null, 'must-be-an-array'];
}
break;
case 'object':
if (typeof value != 'object') {
return [null, 'must-be-an-onject'];
}
break;
}
return [value, null];
};