index.js
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import { declare } from "@babel/helper-plugin-utils";
import transformTypeScript from "@babel/plugin-transform-typescript";
export default declare(
(api, { jsxPragma, allExtensions = false, isTSX = false }) => {
api.assertVersion(7);
if (typeof allExtensions !== "boolean") {
throw new Error(".allExtensions must be a boolean, or undefined");
}
if (typeof isTSX !== "boolean") {
throw new Error(".isTSX must be a boolean, or undefined");
}
if (isTSX && !allExtensions) {
throw new Error("isTSX:true requires allExtensions:true");
}
return {
overrides: allExtensions
? [
{
plugins: [[transformTypeScript, { jsxPragma, isTSX }]],
},
]
: [
{
// Only set 'test' if explicitly requested, since it requires that
// Babel is being called`
test: /\.ts$/,
plugins: [[transformTypeScript, { jsxPragma }]],
},
{
// Only set 'test' if explicitly requested, since it requires that
// Babel is being called`
test: /\.tsx$/,
plugins: [[transformTypeScript, { jsxPragma, isTSX: true }]],
},
],
};
},
);