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Deprecate math.random() when $limit has units #1779

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merged 5 commits into from
Aug 18, 2022
Merged

Deprecate math.random() when $limit has units #1779

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7306e8f
Deprecate math.random() when $limit has units
Goodwine Aug 16, 2022
1ad0a73
improve warning and make recommendation not trigger the same warning
Goodwine Aug 17, 2022
5273b05
use math.div instead of slash div
Goodwine Aug 17, 2022
f823db9
add changelog for random with units deprecation
Goodwine Aug 17, 2022
93a3632
add link to sass-site/d/random-with-units
Goodwine Aug 18, 2022
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21 changes: 18 additions & 3 deletions lib/src/functions/math.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -289,11 +289,26 @@ final _random = math.Random();

final _randomFunction = _function("random", r"$limit: null", (arguments) {
if (arguments[0] == sassNull) return SassNumber(_random.nextDouble());
var limit = arguments[0].assertNumber("limit").assertInt("limit");
if (limit < 1) {
var limit = arguments[0].assertNumber("limit");

if (limit.hasUnits) {
warn(
"math.random() will no longer ignore \$limit units ($limit) in a "
"future release.\n"
"\n"
"Recommendation: "
"math.random(\$limit / 1${limit.unitString}) * 1${limit.unitString}\n"
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"\n"
"To preserve current behavior: "
"math.random(\$limit / 1${limit.unitString})",
);
}

var limitScalar = limit.assertInt("limit");
if (limitScalar < 1) {
throw SassScriptException("\$limit: Must be greater than 0, was $limit.");
}
return SassNumber(_random.nextInt(limit) + 1);
return SassNumber(_random.nextInt(limitScalar) + 1);
});

final _div = _function("div", r"$number1, $number2", (arguments) {
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