smaller api for tsfmt config files

and represent config file content in TsFmtFormatterStep's state

lib-extra/src/main/java/com/diffplug/spotless/extra/npm/TsConfigFileType.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2016 DiffPlug
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.diffplug.spotless.extra.npm;
+
+import java.util.Arrays;
+
+public enum TsConfigFileType {
+	TSCONFIG, TSLINT, VSCODE, TSFMT;
+
+	public static TsConfigFileType forNameIgnoreCase(String name) {
+		return Arrays.stream(values())
+				.filter(type -> type.name().equalsIgnoreCase(name))
+				.findFirst()
+				.orElseThrow(() -> new IllegalArgumentException("Config file type " + name + " is not supported. Supported values (case is ignored): " + Arrays.toString(values())));
+	}
+}

lib-extra/src/main/java/com/diffplug/spotless/extra/npm/TsFmtFormatterStep.java

@@ -35,46 +35,40 @@ public class TsFmtFormatterStep {
 
 	public static final String NAME = "tsfmt-format";
 
-	public static FormatterStep create(Provisioner provisioner, File buildDir, @Nullable File npm, Map<String, Object> tsFmtCliOptions, Map<String, Object> inlineTsFmtSettings) {
+	public static FormatterStep create(Provisioner provisioner, File buildDir, @Nullable File npm, File baseDir, @Nullable TypedTsFmtConfigFile configFile, @Nullable Map<String, Object> inlineTsFmtSettings) {
 		requireNonNull(provisioner);
 		requireNonNull(buildDir);
-		validateOptions(requireNonNull(tsFmtCliOptions));
-		requireNonNull(inlineTsFmtSettings);
+		requireNonNull(baseDir);
 		return FormatterStep.createLazy(NAME,
-				() -> new State(NAME, provisioner, buildDir, npm, tsFmtCliOptions, inlineTsFmtSettings),
+				() -> new State(NAME, provisioner, buildDir, npm, baseDir, configFile, inlineTsFmtSettings),
 				State::createFormatterFunc);
 	}
 
-	private static void validateOptions(Map<String, Object> options) {
-		final Set<String> optionNames = new TreeSet<>(options.keySet());
-		optionNames.retainAll(asList("dryRun", "replace", "verify"));
-
-		if (!optionNames.isEmpty()) {
-			throw new BlacklistedOptionException("The following config options are specified but not supported by spotless: " + optionNames);
-		}
-	}
-
 	public static class State extends NpmFormatterStepStateBase implements Serializable {
 
 		private static final long serialVersionUID = -3811104513825329168L;
 
-		private final TreeMap<String, Object> tsFmtCliOptions;
-
 		private final TreeMap<String, Object> inlineTsFmtSettings;
 
 		private final File buildDir;
 
-		public State(String stepName, Provisioner provisioner, File buildDir, @Nullable File npm, Map<String, Object> tsFmtCliOptions, Map<String, Object> inlineTsFmtSettings) throws IOException {
+		@Nullable
+		private final TypedTsFmtConfigFile configFile;
+
+		private final File baseDir;
+
+		public State(String stepName, Provisioner provisioner, File buildDir, @Nullable File npm, File baseDir, @Nullable TypedTsFmtConfigFile configFile, @Nullable Map<String, Object> inlineTsFmtSettings) throws IOException {
 			super(stepName,
 					provisioner,
 					new NpmConfig(
 							readFileFromClasspath(TsFmtFormatterStep.class, "/com/diffplug/spotless/extra/npm/tsfmt-package.json"),
 							"typescript-formatter"),
 					buildDir,
 					npm);
-			this.buildDir = buildDir;
-			this.tsFmtCliOptions = new TreeMap<>(tsFmtCliOptions);
-			this.inlineTsFmtSettings = new TreeMap<>(inlineTsFmtSettings);
+			this.buildDir = requireNonNull(buildDir);
+			this.baseDir = requireNonNull(baseDir);
+			this.configFile = configFile;
+			this.inlineTsFmtSettings = inlineTsFmtSettings == null ? new TreeMap<>() : new TreeMap<>(inlineTsFmtSettings);
 		}
 
 		@Override
@@ -146,25 +140,17 @@ private V8FunctionWrapper createFormatResultCallback(NodeJSWrapper nodeJSWrapper
 		}
 
 		private Map<String, Object> unifyOptions() {
-			Map<String, Object> unified = new HashMap<>(this.tsFmtCliOptions);
-
+			Map<String, Object> unified = new HashMap<>();
 			if (!this.inlineTsFmtSettings.isEmpty()) {
-				removeAllConfigFileSettings(unified);
 				File targetFile = new File(this.buildDir, "inline-tsfmt.json");
 				SimpleJsonWriter.of(this.inlineTsFmtSettings).toJsonFile(targetFile);
 				unified.put("tsfmt", true);
 				unified.put("tsfmtFile", targetFile.getAbsolutePath());
+			} else if (this.configFile != null) {
+				unified.put(this.configFile.configFileEnabledOptionName(), Boolean.TRUE);
+				unified.put(this.configFile.configFileOptionName(), this.configFile.absolutePath());
 			}
 			return unified;
 		}
-
-		private void removeAllConfigFileSettings(Map<String, Object> settings) {
-			Arrays.asList("tsconfig", "tslint", "editorconfig", "vscode", "tsfmt").forEach(
-					format -> {
-						settings.remove(format);
-						settings.remove(format + "File");
-					});
-		}
-
 	}
 }

lib-extra/src/main/java/com/diffplug/spotless/extra/npm/TypedTsFmtConfigFile.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2016 DiffPlug
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.diffplug.spotless.extra.npm;
+
+import static java.util.Objects.requireNonNull;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.Locale;
+
+import com.diffplug.common.base.Errors;
+import com.diffplug.spotless.FileSignature;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+public class TypedTsFmtConfigFile implements Serializable {
+
+	private static final long serialVersionUID = -4442310349275775501L;
+
+	private final TsConfigFileType configFileType;
+
+	private final File configFile;
+
+	@SuppressFBWarnings("SE_TRANSIENT_FIELD_NOT_RESTORED")
+	@SuppressWarnings("unused")
+	private final FileSignature configFileSignature;
+
+	public TypedTsFmtConfigFile(TsConfigFileType configFileType, File configFile) {
+		this.configFileType = requireNonNull(configFileType);
+		this.configFile = requireNonNull(configFile);
+		try {
+			this.configFileSignature = FileSignature.signAsList(configFile);
+		} catch (IOException e) {
+			throw Errors.asRuntime(e);
+		}
+	}
+
+	TsConfigFileType configFileType() {
+		return configFileType;
+	}
+
+	File configFile() {
+		return configFile;
+	}
+
+	String configFileEnabledOptionName() {
+		return this.configFileType.name().toLowerCase(Locale.ENGLISH);
+	}
+
+	String configFileOptionName() {
+		return this.configFileEnabledOptionName() + "File";
+	}
+
+	String absolutePath() {
+		return this.configFile.getAbsolutePath();
+	}
+
+	static TypedTsFmtConfigFile named(String name, File file) {
+		return new TypedTsFmtConfigFile(TsConfigFileType.forNameIgnoreCase(name), file);
+	}
+
+}

lib-extra/src/test/java/com/diffplug/spotless/extra/npm/TsFmtFormatterStepTest.java

@@ -15,8 +15,6 @@
  */
 package com.diffplug.spotless.extra.npm;
 
-import static org.assertj.core.api.Assertions.fail;
-
 import java.io.File;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -65,11 +63,8 @@ public void formattingUsingConfigFile() throws Exception {
 					TestProvisioner.mavenCentral(),
 					buildDir(),
 					npmExecutable(),
-					ImmutableMap.<String, Object> builder()
-							.put("basedir", configFile.getParent())
-							.put(configFileNameWithoutExtension, Boolean.TRUE)
-							.put(configFileNameWithoutExtension + "File", configFile.getPath())
-							.build(),
+					configFile.getParentFile(),
+					TypedTsFmtConfigFile.named(configFileNameWithoutExtension, configFile),
 					Collections.emptyMap());
 
 			try (StepHarness stepHarness = StepHarness.forStep(formatterStep)) {
@@ -89,43 +84,13 @@ public void formattingUsingInlineConfigWorks() throws Exception {
 					TestProvisioner.mavenCentral(),
 					buildDir(),
 					npmExecutable(),
-					ImmutableMap.<String, Object> builder()
-							.put("basedir", buildDir().getAbsolutePath())
-							.build(),
+					buildDir().getAbsoluteFile(),
+					null,
 					inlineConfig);
 
 			try (StepHarness stepHarness = StepHarness.forStep(formatterStep)) {
 				stepHarness.testResource("npm/tsfmt/tsfmt/tsfmt.dirty", "npm/tsfmt/tsfmt/tsfmt.clean");
 			}
 		}
 	}
-
-	@Category(NpmTest.class)
-	@RunWith(Parameterized.class)
-	public static class TsFmtBlacklistedOptionsTest extends NpmFormatterStepCommonTests {
-		@Parameterized.Parameter
-		public String blackListedOption;
-
-		@Parameterized.Parameters(name = "{index}: config option '{0}' is blacklisted")
-		public static Iterable<String> blacklistedOption() {
-			return Arrays.asList("dryRun", "replace", "verify");
-		}
-
-		@Test(expected = BlacklistedOptionException.class)
-		public void blacklistedOptionIsThrown() throws Exception {
-			TsFmtFormatterStep.create(
-					TestProvisioner.mavenCentral(),
-					buildDir(),
-					npmExecutable(),
-					ImmutableMap.<String, Object> builder()
-							.put(blackListedOption, Boolean.TRUE)
-							.build(),
-					Collections.emptyMap());
-
-			fail("should never be reached!");
-
-		}
-
-	}
-
 }

plugin-gradle/README.md

@@ -307,18 +307,16 @@ set the `target` parameter as described in the [Custom rules](#custom) section.
 spotless {
   typescript {
     // using existing config files
-    tsfmt().configFile('tslint', '/path/to/repo/tslint.json')
+    tsfmt().tslintFile('/path/to/repo/tslint.json')
   }
 }
 ```
-Supported config file types are the ones supported by [tsfmt config options](https://github.com/vvakame/typescript-formatter/blob/7764258ad42ac65071399840d1b8701868510ca7/lib/index.ts#L26).
-Use the option names of type boolean in the tsfmt config object: `tsconfig`, `tslint`, `editorconfig`, `vscode` or `tsfmt`. For the option `editorconfig`, no path is supported.
+Supported config file types are `tsconfigFile`, `tslintFile`, `vscodeFile` and `tsfmtFile`. They are corresponding to the respective
+[tsfmt-parameters](https://github.com/vvakame/typescript-formatter/blob/7764258ad42ac65071399840d1b8701868510ca7/lib/index.ts#L27L34).
 
 *Please note:*
-- The auto-discovery of config files (up the file tree) will not work when using prettier within spotless,
-  hence you are required to provide absolute file paths for config files.
-- The config file type `editorconfig` is only read from its default location (the user'home).
-  Any value you pass for the path will be ignored.
+The auto-discovery of config files (up the file tree) will not work when using tsfmt within spotless,
+  hence you are required to provide resolvable file paths for config files.
 
 ... or alternatively provide the configuration inline ...
 
@@ -333,11 +331,9 @@ spotless {
 }
 ```
 
-See [tsfmt's default config settings](https://github.com/vvakame/typescript-formatter/blob/7764258ad42ac65071399840d1b8701868510ca7/lib/utils.ts#L8) for what is available.
-
-*Please note:* If both `configFile` and `config` is provided, only `config` is used.
-
+See [tsfmt's default config settings](https://github.com/vvakame/typescript-formatter/blob/7764258ad42ac65071399840d1b8701868510ca7/lib/utils.ts#L11L32) for what is available.
 
+... and it is also possible to apply `prettier()` instead of `tsfmt()` as formatter. For details see the section about [prettier](#typescript-prettier).
 
 ### Prerequisite: tsfmt requires a working NodeJS version
 
@@ -408,6 +404,7 @@ spotless {
 }
 ```
 
+<a name="typescript-prettier"></a>
 Prettier can also be applied from within the [typescript config block](#typescript-formatter):
 
 ```gradle