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Ensure uniqueness for unique-id().

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This commit is contained in:
Natalie Weizenbaum 2016-10-18 17:23:50 -07:00
parent 61dfecc697
commit 9e03630b3c
1 changed files with 1 additions and 1 deletions
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2
lib/src/functions.dart
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@ -878,7 +878,7 @@ void defineCoreFunctions(Environment environment) {
environment.defineFunction("unique-id", "", (arguments) { environment.defineFunction("unique-id", "", (arguments) {
// Make it difficult to guess the next ID by randomizing the increase. // Make it difficult to guess the next ID by randomizing the increase.
_uniqueID += _random.nextInt(36); _uniqueID += _random.nextInt(36) + 1;
if (_uniqueID > math.pow(36, 6)) _uniqueID %= math.pow(36, 6); if (_uniqueID > math.pow(36, 6)) _uniqueID %= math.pow(36, 6);
// The leading "u" ensures that the result is a valid identifier. // The leading "u" ensures that the result is a valid identifier.
return new SassString("u${_uniqueID.toRadixString(36).padLeft(6, '0')}"); return new SassString("u${_uniqueID.toRadixString(36).padLeft(6, '0')}");