The OutputParser's option `isVariableInUse` is not returning a Boolean as its name would imply, but the CSS Variable's value, if found. The method name should be renamed [throughout the DevTools code base](https://searchfox.org/mozilla-central/search?path=&q=isVariableInUse).
Bug 1633696 Comment 0 Edit History
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The [OutputParser](https://searchfox.org/mozilla-central/source/devtools/client/shared/output-parser.js)'s option `isVariableInUse` is not returning a Boolean as its name would imply, but the CSS Variable's value, if found. The method name should be renamed [throughout the DevTools code base](https://searchfox.org/mozilla-central/search?path=&q=isVariableInUse).