feat(prettier): update to version 1.6

types/prettier/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for prettier 1.5
+// Type definitions for prettier 1.6
 // Project: https://github.com/prettier/prettier
 // Definitions by: Ika <https://github.com/ikatyang>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -97,6 +97,31 @@ export function check(source: string, options?: Options): boolean;
  */
 export function formatWithCursor(source: string, options: CursorOptions): CursorResult;
 
+export interface ResolveConfigOptions {
+    /**
+     * If set to `false`, all caching will be bypassed.
+     */
+    useCache?: boolean;
+}
+
+/**
+ * `resolveConfig` can be used to resolve configuration for a given source file.
+ * The function optionally accepts an input file path as an argument, which defaults to the current working directory.
+ * A promise is returned which will resolve to:
+ *
+ *  - An options object, providing a [config file](https://github.com/prettier/prettier#configuration-file) was found.
+ *  - `null`, if no file was found.
+ *
+ * The promise will be rejected if there was an error parsing the configuration file.
+ */
+export function resolveConfig(filePath?: string, options?: ResolveConfigOptions): Promise<null | Options>;
+
+/**
+ * As you repeatedly call `resolveConfig`, the file system structure will be cached for performance.
+ * This function will clear the cache. Generally this is only needed for editor integrations that know that the file system has changed since the last format took place.
+ */
+export function clearConfigCache(): void;
+
 /**
  * `version` field in `package.json`
  */

types/prettier/prettier-tests.ts

@@ -17,3 +17,11 @@ const customFormatted = prettier.format("lodash ( )", {
         return ast;
     }
 });
+
+prettier.resolveConfig('path/to/somewhere').then(options => {
+    if (options !== null) {
+        const formatted = prettier.format('hello world', options);
+    }
+});
+
+prettier.clearConfigCache();