Examples with N4jscException org.eclipse.n4js.cli.N4jscException used on opensource projects

Example 1 with N4jscException

use of org.eclipse.n4js.cli.N4jscException in project n4js by eclipse.

the class N4jscCompiler method start.

/**
 * Starts the compiler in a blocking fashion
 */
public N4jscExitState start() throws Exception {
    InitializeParams params = new InitializeParams();
    File baseDir = options.getDir();
    if (baseDir == null) {
        throw new N4jscException(N4jscExitCode.ARGUMENT_DIRS_INVALID, "No base directory");
    }
    params.setWorkspaceFolders(Collections.singletonList(new WorkspaceFolder(baseDir.toURI().toString())));
    languageServer.initialize(params).get();
    throwIfNoProjectsFound();
    verbosePrintAllProjects();
    switch(options.getGoal()) {
        case clean:
            performClean();
            break;
        case compile:
            performCompile();
            break;
        default:
            break;
    }
    languageServer.shutdown();
    languageServer.exit();
    return determineExitState();
}

Example 2 with N4jscException

use of org.eclipse.n4js.cli.N4jscException in project n4js by eclipse.

the class N4jscInit method initProject.

private static N4jscExitState initProject(N4jscOptions options, InitConfiguration config) throws N4jscException {
    try {
        config.projectRoot.resolve(config.projectFolderSrc).toFile().mkdirs();
        config.projectRoot.resolve(config.projectFolderOutput).toFile().mkdirs();
        config.packageJson.write(options, config.projectRoot);
        for (ExampleFile exampleFile : config.files) {
            exampleFile.writeToDisk(config.projectRoot);
        }
    } catch (IOException e) {
        throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, e);
    }
    return N4jscExitState.SUCCESS;
}

Example 3 with N4jscException

use of org.eclipse.n4js.cli.N4jscException in project n4js by eclipse.

the class N4jscInit method checkAndGetWorkingDirState.

private static WorkingDirState checkAndGetWorkingDirState(N4jscOptions options, File parentPackageJson) throws N4jscException {
    Path cwd = options.getWorkingDirectory();
    boolean cwdHasPackageJson = parentPackageJson != null && parentPackageJson.exists() && parentPackageJson.getParentFile().equals(cwd.toFile());
    if (options.isN4JS()) {
        if (cwdHasPackageJson) {
            return WorkingDirState.InExistingProject;
        } else {
            throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Given option --n4js requires a package.json file to be in the current working directory.");
        }
    }
    if (!options.isCreate()) {
        if (cwdHasPackageJson) {
            throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Current working directory must not contain a package.json file. Note:" + NL + "  In case you like to add the n4js property to an existing project, use option --n4js." + NL + "  In case you like to add a project to an existing workspace project, use options -w -c.");
        }
        if (options.isScope() && !cwd.getParent().toFile().getName().startsWith("@")) {
            throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "When creating a scoped package the parent directory of current working directory must start with '@'. Note:" + NL + "  In case you like to create a new project in a subfolder of the current working directory, use option -c.");
        }
    }
    if (parentPackageJson == null || !parentPackageJson.exists()) {
        return WorkingDirState.InEmptyFolder;
    }
    try (JsonReader jReader = new JsonReader(new FileReader(parentPackageJson))) {
        JsonElement packageJsonCandidate = JsonParser.parseReader(jReader);
        if (!packageJsonCandidate.isJsonObject()) {
            return WorkingDirState.InEmptyFolder;
        }
        JsonObject packageJson = (JsonObject) packageJsonCandidate;
        boolean isYarnProject = packageJson.has(PackageJsonProperties.WORKSPACES_ARRAY.name);
        if (!isYarnProject) {
            throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Current working directory is inside the non-yarn project of " + parentPackageJson);
        }
    } catch (N4jscException e) {
        throw e;
    } catch (Exception e) {
        throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Working directory must be either empty or inside a yarn project.", e);
    }
    if (!options.isWorkspaces()) {
        throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Creating a new project inside an existing yarn project requires option '--workspaces' to be set.");
    }
    Path candidateWorkDir = parentPackageJson.getParentFile().toPath();
    if (candidateWorkDir.equals(cwd)) {
        return WorkingDirState.InYarnProjectRoot;
    }
    YarnPackageJsonContents yarnPackageJson = YarnPackageJsonContents.read(candidateWorkDir);
    Path yarnRoot = parentPackageJson.getParentFile().toPath();
    boolean isCwdWorkspaceMatch = workspaceMatch(yarnPackageJson.workspaces, yarnRoot, cwd);
    if (!options.isCreate() && !isCwdWorkspaceMatch) {
        throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, "Creating a new project inside a yarn project requires the current working directory to " + "be inside a new project folder of a valid workspaces directory of the yarn project. " + "Alternatively add option '--create' to create a new project directory.");
    }
    if (isCwdWorkspaceMatch) {
        return WorkingDirState.InYarnProjectEmptyPackage;
    }
    boolean isCwdWorkspaceParent = workspaceMatch(yarnPackageJson.workspaces, yarnRoot, cwd.resolve("test"));
    if (isCwdWorkspaceParent) {
        return WorkingDirState.InYarnProjectWorkspaces;
    }
    return WorkingDirState.InYarnProject;
}

Example 4 with N4jscException

use of org.eclipse.n4js.cli.N4jscException in project n4js by eclipse.

the class N4jscInit method initYarnProject.

private static N4jscExitState initYarnProject(InitConfiguration config) throws N4jscException {
    config.workspacesDir.toFile().mkdirs();
    Gson gson = JsonUtils.createGson();
    String yarnJsonString = gson.toJson(config.yarnPackageJson);
    try (FileWriter fw = new FileWriter(config.yarnRoot.resolve(N4JSGlobals.PACKAGE_JSON).toFile())) {
        fw.write(yarnJsonString);
    } catch (IOException e) {
        throw new N4jscException(N4jscExitCode.INIT_ERROR_WORKING_DIR, e);
    }
    return N4jscExitState.SUCCESS;
}

Example 5 with N4jscException

use of org.eclipse.n4js.cli.N4jscException in project n4js by eclipse.

the class N4jscInit method start.

/**
 * Starts the compiler for goal INIT in a blocking fashion
 */
public static N4jscExitState start(N4jscOptions options) throws N4jscException {
    File parentPackageJson = getParentPackageJson(options);
    WorkingDirState workingDirState = checkAndGetWorkingDirState(options, parentPackageJson);
    InitConfiguration config = InitDialog.getInitConfiguration(options, parentPackageJson, workingDirState);
    setDirectories(options, config, parentPackageJson, workingDirState);
    if (!options.isYes() && options.getAnswers() == null) {
        String verb1 = options.isN4JS() ? "MODIFICATIONS" : "CONFIGURATION";
        String verb2 = options.isN4JS() ? "Modify" : "Create";
        N4jscConsole.print(NL);
        N4jscConsole.print("PENDING PROJECT " + verb1 + NL + NL + config.toString());
        N4jscConsole.print(NL + verb2 + " this project? (yes) ");
        String userInput = N4jscConsole.readLine();
        if (!Strings.nullToEmpty(userInput).isBlank() && !InitDialog.isYes(userInput)) {
            throw new N4jscException(N4jscExitCode.USER_CANCELLED, "User said '" + userInput + "'");
        }
    }
    if (config.isWorkspaces()) {
        initYarnProject(config);
    }
    initProject(options, config);
    String cmd = config.isWorkspaces() ? "yarn" : "npm";
    println("");
    println("Init done. Please run '" + cmd + " install' to install dependencies.");
    println("");
    println("The following scripts are available:");
    println("  '" + cmd + " run n4jsc [-- args]' -  run n4jsc with arguments. E.g. 'npm run n4jsc -- --help'");
    println("  '" + cmd + " run build'           -  build this project with N4JS compiler.");
    if (config.hasScript("test")) {
        println("  '" + cmd + " run test'            -  execute project tests.");
    }
    return N4jscExitState.SUCCESS;
}