Add package.json to JS test output

Later more strict JS module systems require package.json to be present.

build.gradle

@@ -31,7 +31,9 @@ buildscript {
 
         commonModule = subprojects.find { it.name == 'carp.common' }
         coreModules = subprojects.findAll { it.name.endsWith( '.core' ) }
+        testModules = subprojects.findAll { it.name == 'carp.common.test' || it.name == 'carp.test' }
         publishNpmModule = subprojects.find { it.name == 'publish-npm-packages' }
+        allModules = coreModules + testModules + commonModule + publishNpmModule
         devOpsModules =
             subprojects.findAll {it.name == 'carp.detekt' || it.name == 'rpc' } + publishNpmModule
     }
@@ -234,15 +236,15 @@ task setSnapshotVersion {
 
 // TypeScript ambient declaration verification.
 def typescriptFolder = 'typescript-declarations'
+def npmScope = "@cachet"
 apply plugin: 'com.github.node-gradle.node'
 task setupTsProject(type: NpmTask) {
     workingDir = file(typescriptFolder)
     args = ['install']
 }
 task copyTestJsSources(type: Copy, dependsOn: setupTsProject) {
     // Compile production sources for CARP, and the JS publication project (`publishNpmModule`).
-    def projects = coreModules + commonModule + publishNpmModule
-    projects.each {
+    allModules.each {
         def project = it.name
         dependsOn("$project:jsProductionExecutableCompileSync")
     }
@@ -258,7 +260,7 @@ task copyTestJsSources(type: Copy, dependsOn: setupTsProject) {
     }
     eachFile { file ->
         // Compiled sources have the name of the module they represent, followed by ".js" and ".d.ts".
-        // To be recognized by node, place them as "index.js" and "index.d.ts" in "node_modules/@cachet/<module-name>".
+        // To be recognized by node, place them as "index.js" and "index.d.ts" in "node_modules/<scope>/<module-name>".
         def fileMatch = file.name =~ /(.+)\.(js|d\.ts)/
         def moduleName = fileMatch[0][1]
         def extension = fileMatch[0][2]
@@ -273,8 +275,8 @@ task copyTestJsSources(type: Copy, dependsOn: setupTsProject) {
         // Modify sources to act like modules with exported named members.
         file.filter { line ->
             // Compiled sources refer to other modules as adjacent .js source files.
-            // Change these to the named modules created in the previous step.
-            def namedModules = line.replaceAll(~/'\.\/(.+?)\.js'/, "'@cachet/\$1'")
+            // Change these to the scoped modules created in the previous step.
+            def namedModules = line.replaceAll(~/'\.\/(.+?)\.js'/, "'$npmScope/\$1'")
 
             // Replace `any` types with actual types for which facades are specified.
             def replacedTypes = knownFacadeTypes.inject(namedModules) { curLine, type ->
@@ -299,9 +301,33 @@ task copyTestJsSources(type: Copy, dependsOn: setupTsProject) {
             additionalExports
         }
     }
-    into "./$typescriptFolder/node_modules/@cachet/"
+    into "./$typescriptFolder/node_modules/$npmScope/"
 }
-task compileTs(type: NpmTask, dependsOn: copyTestJsSources) {
+task packageTestJsSources(type: Copy, dependsOn: copyTestJsSources) {
+    allModules.each {
+        def project = it.name
+        dependsOn("$project:jsPackageJson")
+        dependsOn("$project:jsTestPackageJson")
+    }
+
+    from("$rootDir/build/js/packages") {
+        include "**/package.json"
+        includeEmptyDirs = false
+    }
+    eachFile { file ->
+        def moduleName = file.getFile().getParentFile().name
+        file.filter { line ->
+            // Add scope to module name.
+            def changedName = line.replaceAll(~/("name": ).*/, "\$1 \"$npmScope/$moduleName\",")
+
+            // Point main source to 'index.js'.
+            changedName.replaceAll(~/("main": ).*/, "\$1 \"index.js\",")
+        }
+
+    }
+    into "./$typescriptFolder/node_modules/$npmScope/"
+}
+task compileTs(type: NpmTask, dependsOn: packageTestJsSources) {
     workingDir = file(typescriptFolder)
     args = ['run', 'tsc']
 }