fix: merge namespaces in enable() instead of flushing them - #1050
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arronKler wants to merge 1 commit into
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fix: merge namespaces in enable() instead of flushing them#1050arronKler wants to merge 1 commit into
arronKler wants to merge 1 commit into
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enable() currently wipes names/skips, so DEBUG=foo followed by
enable("bar") disables foo. Merge incoming namespaces with the
existing set. Call disable() first when replacement is intended.
Fixes debug-js#425
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debug.enable() currently clears names/skips before applying the new list. That means previously enabled namespaces (including those from DEBUG) disappear:
This also breaks independent enable() calls from different modules that share one debug install.
Solution: treat enable() as additive. Incoming namespaces are merged with the existing set (skip tokens still disable a matching name; enabling a name again removes its skip). disable() still clears everything and is the way to replace:
Fixes #425