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Enable 'prefer-switch' rule and raise default 'min-cases' (#2669)
* Enable 'prefer-switch' rule * Change default min-cases to 3
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,28 +1,6 @@ | ||
if (x === 1) {} | ||
~~~~~~~ [0] | ||
else if (x === 2) {} // Notice that we don't get *another* error here. | ||
// Dangling `else` OK (this becomes `default:`) | ||
else if (x === 3) {} | ||
else {} | ||
if (x === 1 || x === 2) {} | ||
|
||
if (x === 1) {} else if (x === 2) {} | ||
~~~~~~~ [0] | ||
|
||
// Works with `||` | ||
if (this === 1 || this === 2) {} | ||
~~~~~~~~~~~~~~~~~~~~~~~~ [0] | ||
|
||
// Default minumum of 2 cases. | ||
if (x === 1) {} else {} | ||
|
||
// Different variables, no failure | ||
if (x === 1) {} else if (y === 2) {} | ||
|
||
// Non-simple cases, no failure | ||
if (x === f()) {} else if (x === g()) {} | ||
|
||
// Allow properties | ||
if (x.y.z === a.b) else if (x.y.z === c.d) {} | ||
~~~~~~~~~~~~~ [0] | ||
if (x === 1 || x === 2 || x === 3) {} | ||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0] | ||
|
||
[0]: Use a switch statement instead of using multiple '===' checks. |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,28 @@ | ||
if (x === 1) {} | ||
~~~~~~~ [0] | ||
else if (x === 2) {} // Notice that we don't get *another* error here. | ||
// Dangling `else` OK (this becomes `default:`) | ||
else if (x === 3) {} | ||
else {} | ||
|
||
if (x === 1) {} else if (x === 2) {} | ||
~~~~~~~ [0] | ||
|
||
// Works with `||` | ||
if (this === 1 || this === 2) {} | ||
~~~~~~~~~~~~~~~~~~~~~~~~ [0] | ||
|
||
// Default minumum of 2 cases. | ||
if (x === 1) {} else {} | ||
|
||
// Different variables, no failure | ||
if (x === 1) {} else if (y === 2) {} | ||
|
||
// Non-simple cases, no failure | ||
if (x === f()) {} else if (x === g()) {} | ||
|
||
// Allow properties | ||
if (x.y.z === a.b) else if (x.y.z === c.d) {} | ||
~~~~~~~~~~~~~ [0] | ||
|
||
[0]: Use a switch statement instead of using multiple '===' checks. |
2 changes: 1 addition & 1 deletion
2
...les/prefer-switch/min-cases-3/tslint.json → ...les/prefer-switch/min-cases-2/tslint.json
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,7 +1,7 @@ | ||
{ | ||
"rules": { | ||
"prefer-switch": [true, { | ||
"min-cases": 3 | ||
"min-cases": 2 | ||
}] | ||
} | ||
} |
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