codeforboston
diff --git a/‎jest-preprocess.js
+1-1 b/‎jest-preprocess.js
+1-1
@@ -1,4 +1,4 @@
 const babelOptions = {
-  presets: ["babel-preset-gatsby"],
+  presets: ["babel-preset-gatsby", "@babel/preset-typescript"],
 }
 module.exports = require("babel-jest").createTransformer(babelOptions)
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`	`1`	`const babelOptions = {`
`2`		`- presets: ["babel-preset-gatsby"],`
	`2`	`+ presets: ["babel-preset-gatsby", "@babel/preset-typescript"],`
`3`	`3`	`}`
`4`	`4`	`module.exports = require("babel-jest").createTransformer(babelOptions)`