32 lines
882 B
JavaScript
32 lines
882 B
JavaScript
const invalidCharError = {
|
|
valid: false,
|
|
error: 'contains invalid characters.'
|
|
};
|
|
const validationSuccess = { valid: true, error: null };
|
|
const usernameTooShort = { valid: false, error: 'is too short.' };
|
|
const usernameIsHttpStatusCode = {
|
|
valid: false,
|
|
error: 'is a reserved error code.'
|
|
};
|
|
|
|
const isNumeric = num => !isNaN(num);
|
|
const validCharsRE = /^[a-zA-Z0-9\-_+]*$/;
|
|
const isHttpStatusCode = str =>
|
|
isNumeric(str) && (parseInt(str, 10) >= 100 && parseInt(str, 10) <= 599);
|
|
const isValidUsername = str => {
|
|
if (!validCharsRE.test(str)) return invalidCharError;
|
|
if (str.length < 3) return usernameTooShort;
|
|
if (isHttpStatusCode(str)) return usernameIsHttpStatusCode;
|
|
return validationSuccess;
|
|
};
|
|
|
|
module.exports = {
|
|
isNumeric,
|
|
isHttpStatusCode,
|
|
isValidUsername,
|
|
validationSuccess,
|
|
usernameTooShort,
|
|
usernameIsHttpStatusCode,
|
|
invalidCharError
|
|
};
|