Add typescript types to the package

This doesn't change any internal workings, but makes this package easier to use
by anyone using Typescript.

Fix #12

1 files changed, 17 insertions, 0 deletions

diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..34dd6f7
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,17 @@
+{
+  // Change this to match your project
+  "include": ["*.js"],
+  "compilerOptions": {
+    // Tells TypeScript to read JS files, as
+    // normally they are ignored as source files
+    "allowJs": true,
+    // Generate d.ts files
+    "declaration": true,
+    // This compiler run should
+    // only output d.ts files
+    "emitDeclarationOnly": true,
+    // go to js file when using IDE functions like
+    // "Go to Definition" in VSCode
+    "declarationMap": true
+  }
+}