We have two files with identical names input.js but in separate namespaces and dirs
but build script does not distinguish them and puts by the same path in the target/cljsbuild-compiler-0 dir.
lein cljsbuild once
Compiling ClojureScript...
Compiling ["/<path-to-project>/lighthouse/target/cljsbuild-main.js"] from ["src"]...
Nov 14, 2018 1:15:42 PM com.google.javascript.jscomp.LoggerErrorManager println
SEVERE: ERROR - Duplicate input: /<path-to-project>/lighthouse/target/cljsbuild-compiler-0/input.js
Nov 14, 2018 1:15:42 PM com.google.javascript.jscomp.LoggerErrorManager printSummary
WARNING: 1 error(s), 0 warning(s)
ERROR: JSC_DUPLICATE_INPUT. Duplicate input: /<path-to-project>/lighthouse/target/cljsbuild-compiler-0/input.js at (unknown source) line (unknown line) : (unknown column)
Compiling ["/<path-to-project>/lighthouse/target/cljsbuild-main.js"] failed.
java.lang.Exception: Closure compilation failed
Compiling finished without errors