Avoid empty block statements

문서 > 코드 분석 > Static Analysis Rules > Avoid empty block statements

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Metadata

ID: typescript-best-practices/no-empty

Language: TypeScript

Severity: Error

Category: Best Practices

Description

Empty or non-functional blocks in the code can be misleading and lead to maintenance difficulties. They can also lead to a false sense of security or functionality. While they may not directly introduce security issues, their presence can suggest that some logic or error handling is implemented when it is not.

Non-Compliant Code Examples

try {} catch (ex) {throw ex}
try { foo() } catch (ex) {}
try { foo() } catch (ex) {throw ex} finally {}
if (foo) {}
while (foo) {}
for (;foo;) {}
switch(foo) {}
switch (foo) { /* empty */ }
try {} catch (ex) {}
try { foo(); } catch (ex) {} finally {}
try {} catch (ex) {} finally {}
try { foo(); } catch (ex) {} finally {}
(function() { }())
var foo = () => {}
function foo() { }
function bla() {

}

Compliant Code Examples

export async function foo() {
    const test = {};
}
if (foo) { bar() }
while (foo) { bar() }
for (;foo;) { bar() }
try { foo() } catch (ex) { foo() }
switch(foo) {case 'foo': break;}
if (foo) {/* empty */}
while (foo) {/* empty */}
for (;foo;) {/* empty */}
try { foo() } catch (ex) {/* empty */}
try { foo() } catch (ex) {// empty
}
try { foo() } finally {// empty
}
try { foo() } finally {// test
}
try { foo() } finally {
    
    // hi i am off no use
}
try { foo() } catch (ex) {/* test111 */}
if (foo) { bar() } else { // nothing in me 
}
if (foo) { bar() } else { /**/
}
if (foo) { bar() } else { //
}