fun runCasesInDirectory()

in html/compose-compiler-integration/build.gradle.kts [146:198]

• 45 lines of code
• 5 McCabe index (conditional complexity)

fun runCasesInDirectory(
    dir: File,
    filterPath: String,
    expectCompilationError: Boolean,
    composeVersion: String,
    kotlinVersion: String
): RunChecksResult {
    return dir.listFiles()!!.filter { it.absolutePath.contains(filterPath) }.mapIndexed { _, file ->
        println("Running check for ${file.name}, expectCompilationError = $expectCompilationError, composeVersion = $composeVersion")

        val contentLines = file.readLines()
        val startMainLineIx = contentLines.indexOf("// @Module:Main").let { ix ->
            if (ix == -1) 0 else ix + 1
        }

        val startLibLineIx = contentLines.indexOf("// @Module:Lib").let { ix ->
            if (ix == -1) contentLines.size else ix - 1
        }

        require(startMainLineIx < startLibLineIx) {
            "The convention is that @Module:Lib should go after @Module:Main"
        }

        val mainContent = contentLines.let { lines ->
            val endLineIx = if (startLibLineIx < lines.size) startLibLineIx - 1 else lines.lastIndex
            lines.slice(startMainLineIx..endLineIx).joinToString(separator = "\n")
        }

        val libContent = contentLines.let { lines ->
            if (startLibLineIx < lines.size) {
                lines.slice(startLibLineIx..lines.lastIndex)
            } else {
                emptyList()
            }.joinToString(separator = "\n")
        }

        val caseName = file.name
        val tmpDir = cloneTemplate(caseName, contentMain = mainContent, contentLib = libContent)

        caseName to kotlin.runCatching {
            build(
                caseName = caseName,
                directory = tmpDir,
                failureExpected = expectCompilationError,
                composeVersion = composeVersion,
                kotlinVersion = kotlinVersion
            )
        }.exceptionOrNull()

    }.let {
        RunChecksResult(it.toMap())
    }
}