Pass printed sfile to prettier

Author: mohsen1

package.json

@@ -36,6 +36,7 @@
         "commander": "^2.10.0",
         "glob": "^7.1.2",
         "lodash": "^4.17.4",
+        "prettier": "^1.10.2",
         "typescript": "^2.6.2"
     },
     "devDependencies": {
@@ -45,11 +46,11 @@
         "@types/jest": "^20.0.2",
         "@types/lodash": "^4.14.93",
         "@types/node": "^8.0.2",
+        "@types/prettier": "^1.10.0",
         "@types/react": "^15.0.31",
         "husky": "^0.14.3",
         "jest": "^20.0.4",
         "lint-staged": "^6.0.1",
-        "prettier": "^1.10.2",
         "ts-jest": "^20.0.6",
         "ts-node": "^3.1.0",
         "tslint": "^5.2.0"

src/compiler.ts

@@ -1,13 +1,18 @@
 import * as ts from 'typescript';
 import * as chalk from 'chalk';
+import * as prettier from 'prettier';
 
 import { TransformFactoryFactory } from '.';
 
 /**
  * Compile and return result TypeScript
  * @param filePath Path to file to compile
  */
-export function compile(filePath: string, factoryFactories: TransformFactoryFactory[]) {
+export function compile(
+    filePath: string,
+    factoryFactories: TransformFactoryFactory[],
+    prettierOptions: prettier.Options = {},
+) {
     const compilerOptions: ts.CompilerOptions = {
         target: ts.ScriptTarget.ES2017,
         module: ts.ModuleKind.ES2015,
@@ -42,5 +47,6 @@ export function compile(filePath: string, factoryFactories: TransformFactoryFact
     const printer = ts.createPrinter();
 
     // TODO: fix the index 0 access... What if program have multiple source files?
-    return printer.printNode(ts.EmitHint.SourceFile, result.transformed[0], sourceFiles[0]);
+    const printed = printer.printNode(ts.EmitHint.SourceFile, result.transformed[0], sourceFiles[0]);
+    return prettier.format(printed, prettierOptions);
 }

yarn.lock

@@ -44,6 +44,10 @@
   version "8.5.9"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.9.tgz#7155cfb4ae405bca4dd8df1a214c339e939109bf"
 
+"@types/prettier@^1.10.0":
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-1.10.0.tgz#5abf1ec0a6e904fe2490cc2068f36a38e4a63c42"
+
 "@types/react@^15.0.31":
   version "15.6.11"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-15.6.11.tgz#c61440937ccf970446cb3ef77007b450ab1e2f91"