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alphaNumericWithUnderscore rule added #3

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alphaNumericWithUnderscore rule added #3

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18 changes: 18 additions & 0 deletions lib/purify.js
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Original file line number Diff line number Diff line change
Expand Up @@ -319,6 +319,24 @@
return defaultValue;
};

purify.nonEmptyAlphaNumericWithUnderscore = function (rawValue, defaultValue) {
if (typeof rawValue === 'string' && /^\w+$/i.test(rawValue)) {
return rawValue;
} else if (typeof rawValue === 'number' && isFinite(rawValue) && !isNaN(rawValue)) {
return String(rawValue);
}
return defaultValue;
};

purify.alphaNumericWithUnderscore = function (rawValue, defaultValue) {
if (typeof rawValue === 'string' && /^\w*$/i.test(rawValue)) {
return rawValue;
} else if (typeof rawValue === 'number' && isFinite(rawValue) && !isNaN(rawValue)) {
return String(rawValue);
}
return defaultValue;
};

purify.uuid = function (rawValue, defaultValue) {
if (typeof rawValue === 'string' && oneValidation.uuid.test(rawValue)) {
return rawValue;
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30 changes: 30 additions & 0 deletions test/purify.js
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Original file line number Diff line number Diff line change
Expand Up @@ -569,4 +569,34 @@ describe('#purify', function () {
expect('json', 'not to allow', '{foo:"bar"}');
});
});

describe('#alphaNumericWithUnderscore()', function () {
it('should accept valid input', function () {
expect('alphaNumericWithUnderscore', 'to allow', 'user_id');
expect('alphaNumericWithUnderscore', 'to allow', 1234, '1234');
expect('alphaNumericWithUnderscore', 'to allow', 12.34, '12.34');
expect('alphaNumericWithUnderscore', 'to allow', 'userName');
expect('alphaNumericWithUnderscore', 'to allow', 'abc__def');
expect('alphaNumericWithUnderscore', 'to allow', '');
});

it('should reject invalid input', function () {
expect('alphaNumericWithUnderscore', 'not to allow', 'abcdef:abc');
});
});

describe('#nonEmptyAlphaNumericWithUnderscore()', function () {
it('should accept valid input', function () {
expect('nonEmptyAlphaNumericWithUnderscore', 'to allow', 'user_id');
expect('nonEmptyAlphaNumericWithUnderscore', 'to allow', 1234, '1234');
expect('nonEmptyAlphaNumericWithUnderscore', 'to allow', 12.34, '12.34');
expect('nonEmptyAlphaNumericWithUnderscore', 'to allow', 'userName');
expect('nonEmptyAlphaNumericWithUnderscore', 'to allow', 'abc__def');
});

it('should reject invalid input', function () {
expect('nonEmptyAlphaNumericWithUnderscore', 'not to allow', '');
expect('nonEmptyAlphaNumericWithUnderscore', 'not to allow', 'abcdef:abc');
});
});
});