log/term: fix build on GOOS=js GOARCH=wasm #993
Merged
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Before this fix, the build would fail, as IsTerminal isn't defined on
that platform:
The reason is pretty simple; js/wasm doesn't have syscalls, and thus it
doesn't have an "is a terminal" syscall.
Grouping it with appengine to always assume that the output is not a
terminal is good enough for now, as it at least makes the package build.
No change is needed in any other file, because none of the other
IsTerminal +build lines include js/wasm in any way.