Method Details

• needsBuild

  public static boolean needsBuild(Options options, FrontendDependenciesScanner frontendDependencies, Mode mode)

  Checks if an application needs a new frontend bundle.

  Parameters:

  options - Flow plugin options

  frontendDependencies - frontend dependencies scanner to lookup for frontend imports

  mode - Vaadin application mode

  Returns:

  true if a new frontend bundle is needed, false otherwise

• hasJarBundle

  public static boolean hasJarBundle(String jarPath, ClassFinder finder)

  Check if jar bundle exists on given path.

  Parameters:

  jarPath - JAR path where bunlde to check is located

  Returns:

  true if bundle stats.json is found

• getPackageJson

  public static elemental.json.JsonObject getPackageJson(Options options, FrontendDependenciesScanner frontendDependencies)

  Get the package.json file from disk if available else generate in memory.

  For the loaded file update versions as per in memory to get correct application versions.

  Parameters:

  options - the task options

  frontendDependencies - frontend dependency scanner

  Returns:

  package.json content as JsonObject

• getDefaultPackageJson

  public static elemental.json.JsonObject getDefaultPackageJson(Options options, FrontendDependenciesScanner frontendDependencies, elemental.json.JsonObject packageJson)

• hashAndBundleModulesEqual

  public static boolean hashAndBundleModulesEqual(elemental.json.JsonObject statsJson, elemental.json.JsonObject packageJson, Map<String,String> npmPackages)

  Verify that package hash versions are equal and that all project npmPackages are in bundle.

  Parameters:

  statsJson - devBundle statsJson

  packageJson - packageJson

  npmPackages - npm packages map

  Returns:

  true if up to date

• exportedWebComponents

  public static boolean exportedWebComponents(elemental.json.JsonObject statsJson, ClassFinder finder)

• frontendImportsFound

  public static boolean frontendImportsFound(elemental.json.JsonObject statsJson, Options options, FrontendDependenciesScanner frontendDependencies) throws IOException

  Throws:

  IOException

• calculateHash

  public static String calculateHash(String fileContent)

• getStatsHash

  public static String getStatsHash(elemental.json.JsonObject statsJson)

• getPackageJsonHash

  public static String getPackageJsonHash(elemental.json.JsonObject packageJson)

• logChangedFiles

  public static void logChangedFiles(List<String> frontendFiles, String message)

• getProdBundleResource

  public static URL getProdBundleResource(String filename, ClassFinder finder)

• needsBundleBuild

  public static boolean needsBundleBuild(File resourceOutputFolder)

  Checks if a new production bundle is needed by restoring re-bundle checker result flag from a temporal file.

  Parameters:

  resourceOutputFolder - output directory for generated non-served resources

  Returns:

  true if a new bundle is needed, false otherwise