Add typings for TypeScript support

index.d.ts

@@ -1 +1,86 @@
-define module 'csv-string';
+import { Transform } from "stream";
+
+declare namespace CsvString {
+
+  type rowElement = string | number | boolean;
+  type row = rowElement[];
+  type separator = "," | ";" | "|" | "\t";
+
+  function parse(input: string, separator?: separator, quote?: string): row;
+  function stringify(input: row, separator?: string): string;
+  function detect(input: string): separator;
+  function createStream(options?: {
+    separator: separator;
+    quote: string;
+  }): Transform;
+
+  type forEachCallback = (row: row, index: number) => undefined;
+
+  function forEach(
+    input: string,
+    separator: string,
+    quote: string,
+    callback: forEachCallback
+  ): void;
+
+  function forEach(
+    input: string,
+    separator: string,
+    callback: forEachCallback
+  ): void;
+
+  function forEach(input: string, callback: forEachCallback): void;
+
+  type readCallback = (row: row) => undefined;
+
+  function read(input: string, callback: readCallback): number;
+
+  function read(
+    input: string,
+    separator: string,
+    quote: string,
+    callback: readCallback
+  ): number;
+
+  function read(
+    input: string,
+    separator: string,
+    callback: readCallback
+  ): number;
+
+  type readAllCallback = readCallback;
+
+  function readAll(input: string, callback: readCallback): number;
+
+  function readAll(
+    input: string,
+    separator: string,
+    quote: string,
+    callback: readCallback
+  ): number;
+
+  function readAll(
+    input: string,
+    separator: string,
+    callback: readCallback
+  ): number;
+
+  type readChunkCallback = readCallback;
+
+  function readChunk(input: string, callback: readCallback): number;
+
+  function readChunk(
+    input: string,
+    separator: string,
+    quote: string,
+    callback: readCallback
+  ): number;
+
+  function readChunk(
+    input: string,
+    separator: string,
+    callback: readCallback
+  ): number;
+}
+
+export = CsvString;

package.json

@@ -37,6 +37,7 @@
     "test": "nyc mocha -R spec"
   },
   "main": "./index.js",
+  "types": "./index.d.ts",
   "repository": {
     "type": "git",
     "url": "https://github.com/touv/node-csv-string.git"