feat(tsfmt): support newline char settings from tsconfig.json

Author: vvakame

lib/cli.ts

@@ -14,6 +14,7 @@ interface RootOptions {
     verify: boolean;
     baseDir: string[];
     stdin: boolean;
+    tsconfig: boolean;
     tslint: boolean;
     editorconfig: boolean;
     tsfmt: boolean;
@@ -31,6 +32,7 @@ let root = commandpost
     .option("--verify", "checking file format")
     .option("--baseDir <path>", "config file lookup from <path>")
     .option("--stdin", "get formatting content from stdin")
+    .option("--no-tsconfig", "don't read a tsconfig.json")
     .option("--no-tslint", "don't read a tslint.json")
     .option("--no-editorconfig", "don't read a .editorconfig")
     .option("--no-tsfmt", "don't read a tsfmt.json")
@@ -40,6 +42,7 @@ let root = commandpost
         let verify = !!opts.verify;
         let baseDir = opts.baseDir ? opts.baseDir[0] : null;
         let stdin = !!opts.stdin;
+        let tsconfig = !!opts.tsconfig;
         let tslint = !!opts.tslint;
         let editorconfig = !!opts.editorconfig;
         let tsfmt = !!opts.tsfmt;
@@ -68,7 +71,8 @@ let root = commandpost
             console.log("verify:	   " + (verify ? "ON" : "OFF"));
             console.log("baseDir:	   " + (baseDir ? baseDir : process.cwd()));
             console.log("stdin:		" + (stdin ? "ON" : "OFF"));
-            console.log("tsconfig:	 " + (useTsconfig ? "ON" : "OFF"));
+            console.log("files from tsconfig:	 " + (useTsconfig ? "ON" : "OFF"));
+            console.log("tsconfig:	 " + (tsconfig ? "ON" : "OFF"));
             console.log("tslint:	   " + (tslint ? "ON" : "OFF"));
             console.log("editorconfig: " + (editorconfig ? "ON" : "OFF"));
             console.log("tsfmt:		" + (tsfmt ? "ON" : "OFF"));
@@ -84,6 +88,7 @@ let root = commandpost
                     replace: replace,
                     verify: verify,
                     baseDir: baseDir,
+                    tsconfig: tsconfig,
                     tslint: tslint,
                     editorconfig: editorconfig,
                     tsfmt: tsfmt,
@@ -102,6 +107,7 @@ let root = commandpost
                     replace: replace,
                     verify: verify,
                     baseDir: baseDir,
+                    tsconfig: tsconfig,
                     tslint: tslint,
                     editorconfig: editorconfig,
                     tsfmt: tsfmt,

lib/index.ts

@@ -7,6 +7,7 @@ import {createDefaultFormatCodeOptions} from "./utils";
 import * as fs from "fs";
 
 import base from "./provider/base";
+import tsconfigjson from "./provider/tsconfigjson";
 import editorconfig from "./provider/editorconfig";
 import tslintjson, {postProcess as tslintPostProcess} from "./provider/tslintjson";
 
@@ -16,6 +17,7 @@ export interface Options {
     baseDir?: string;
     replace: boolean;
     verify: boolean;
+    tsconfig: boolean;
     tslint: boolean;
     editorconfig: boolean;
     tsfmt: boolean;
@@ -93,6 +95,9 @@ export function processString(fileName: string, content: string, opts: Options):
     if (opts.tsfmt) {
         optGenPromises.push(base(fileName, opts, formatOptions));
     }
+    if (opts.tsconfig) {
+        optGenPromises.push(tsconfigjson(fileName, opts, formatOptions));
+    }
     if (opts.editorconfig) {
         optGenPromises.push(editorconfig(fileName, opts, formatOptions));
     }

lib/provider/tsconfigjson.ts

@@ -0,0 +1,41 @@
+"use strict";
+
+import * as ts from "typescript";
+
+import * as path from "path";
+import * as fs from "fs";
+
+import {Options} from "../";
+import {getConfigFileName} from "../utils";
+
+interface TsconfigSettings {
+    compilerOptions: {
+        newLine: string;
+    };
+}
+
+export default function makeFormatCodeOptions(fileName: string, opts: Options, formatOptions: ts.FormatCodeOptions): ts.FormatCodeOptions {
+    "use strict";
+
+    let baseDir = opts.baseDir ? path.resolve(opts.baseDir) : path.dirname(path.resolve(fileName));
+    let configFileName = getConfigFileName(baseDir, "tsconfig.json");
+    if (!configFileName) {
+        return formatOptions;
+    }
+    if (opts.verbose) {
+        console.log(`read ${configFileName} for ${fileName}`);
+    }
+
+    let config: TsconfigSettings = JSON.parse(<any>fs.readFileSync(configFileName, "utf-8"));
+    if (!config.compilerOptions || !config.compilerOptions.newLine) {
+        return formatOptions;
+    }
+
+    if (config.compilerOptions.newLine.toLowerCase() === "crlf") {
+        formatOptions.NewLineCharacter = "\r\n";
+    } else if (config.compilerOptions.newLine.toLowerCase() === "lf") {
+        formatOptions.NewLineCharacter = "\n";
+    }
+
+    return formatOptions;
+}

test/cli/main.ts

@@ -1,5 +1,5 @@
-class TestCLI {
-    method() {
-
-    }
-}
+class TestCLI {
+    method() {
+
+    }
+}

test/expected/tsconfig/crlf/main.json

@@ -0,0 +1,15 @@
+{
+  "IndentSize": 4,
+  "TabSize": 4,
+  "NewLineCharacter": "\r\n",
+  "ConvertTabsToSpaces": true,
+  "InsertSpaceAfterCommaDelimiter": true,
+  "InsertSpaceAfterSemicolonInForStatements": true,
+  "InsertSpaceBeforeAndAfterBinaryOperators": true,
+  "InsertSpaceAfterKeywordsInControlFlowStatements": true,
+  "InsertSpaceAfterFunctionKeywordForAnonymousFunctions": false,
+  "InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis": false,
+  "InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets": false,
+  "PlaceOpenBraceOnNewLineForFunctions": false,
+  "PlaceOpenBraceOnNewLineForControlBlocks": false
+}

test/expected/tsconfig/crlf/main.ts

@@ -0,0 +1,6 @@
+class Sample {
+    hello(word: string = "world"): string { return "Hello, " + word; }
+}
+
+var s: Sample = new Sample();
+if (s === s) { console.log(s.hello()); }

test/expected/tsconfig/lf/main.json

@@ -0,0 +1,15 @@
+{
+  "IndentSize": 4,
+  "TabSize": 4,
+  "NewLineCharacter": "\n",
+  "ConvertTabsToSpaces": true,
+  "InsertSpaceAfterCommaDelimiter": true,
+  "InsertSpaceAfterSemicolonInForStatements": true,
+  "InsertSpaceBeforeAndAfterBinaryOperators": true,
+  "InsertSpaceAfterKeywordsInControlFlowStatements": true,
+  "InsertSpaceAfterFunctionKeywordForAnonymousFunctions": false,
+  "InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis": false,
+  "InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets": false,
+  "PlaceOpenBraceOnNewLineForFunctions": false,
+  "PlaceOpenBraceOnNewLineForControlBlocks": false
+}

test/expected/tsconfig/lf/main.ts

@@ -0,0 +1,6 @@
+class Sample {
+    hello(word: string = "world"): string { return "Hello, " + word; }
+}
+
+var s: Sample = new Sample();
+if (s === s) { console.log(s.hello()); }

test/fixture/tsconfig.json

@@ -0,0 +1 @@
+{}

test/fixture/tsconfig/crlf/main.ts

@@ -0,0 +1,6 @@
+class Sample {
+hello(word:string="world"):string{return "Hello, " + word;}
+}
+
+var s:Sample=new Sample();
+if(s===s){console.log(s.hello());}