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[JS] Factor out source map path rewriting

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This commit is contained in:
Sergej Jaskiewicz
2022-05-25 23:36:17 +03:00
committed by Space
parent 0320d49ddc
commit 53233c487e
2 changed files with 56 additions and 26 deletions
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compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/dce/K2JSDce.kt
+14 -22
View File
@@ -124,37 +124,29 @@ class K2JSDce : CLITool<K2JSDceArguments>() {
}
private fun mapSourcePaths(inputFile: File, targetFile: File): Boolean {
val json = try {
parseJson(inputFile)
} catch (e: JsonSyntaxException) {
return false
}
val sourcesArray = (json as? JsonObject)?.properties?.get("sources") as? JsonArray ?: return false
val sources = sourcesArray.elements.map {
(it as? JsonString)?.value ?: return false
}
val jsonOut = StringWriter()
val pathCalculator = RelativePathCalculator(targetFile.parentFile)
val mappedSources = sources.map {
val result = pathCalculator.calculateRelativePathTo(File(inputFile.parentFile, it))
if (result != null) {
if (File(targetFile.parentFile, result).exists()) {
result
val sourceMapChanged = try {
SourceMap.mapSources(inputFile.readText(), jsonOut) {
val result = pathCalculator.calculateRelativePathTo(File(inputFile.parentFile, it))
if (result != null) {
if (File(targetFile.parentFile, result).exists()) {
result
} else {
it
}
} else {
it
}
} else {
it
}
} catch (e: SourceMapSourceReplacementException) {
false
}
if (mappedSources == sources) return false
json.properties["sources"] = JsonArray(*mappedSources.map { JsonString(it) }.toTypedArray())
if (!sourceMapChanged) return false
targetFile.parentFile.mkdirs()
OutputStreamWriter(FileOutputStream(targetFile), "UTF-8").use { it.write(json.toString()) }
OutputStreamWriter(FileOutputStream(targetFile), "UTF-8").use { it.write(jsonOut.toString()) }
return true
}