validateNotNull
Description
It resolves if the parameter passed is anything but null, else it will reject it.
| Parameter List | Returns | Rejection Errors |
|---|---|---|
| Promise<* || Array> | |
| Related Functions | Function Signature | |
function validateNotNull(supposedNotNullArg[, tuple]): Promise<* || Array> | ||
Examples
1
2
3
4
import { validateNotNull } from "puddy-m/lib/validators";
validateNotNull(1).then(console.log); // prints 11
2
3
4
5
6
import { validateNotNull, validateString } from "puddy-m/lib/validators";
validateNotNull(1, [])
.then((tuple) => validateString("1 is not null", tuple))
.then(console.log); // prints [1, '1 is not null']1
2
3
4
5
6
7
8
9
10
11
12
13
14
import { validateNotNull } from "puddy-m/lib/validators";
const run = async () => {
try {
const notNullConst = await validateNotNull(1);
console.log(notNullConst);
} catch (e) {
console.log(e);
}
};
run();1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
import { validateNotNull } from "puddy-m/lib/validators";
const run = async () => {
try {
const notNullConst = await validateNotNull(null);
console.log(notNullConst);
} catch (e) {
// Throw NotNullValidationError
console.log(e);
}
};
run();