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index.js
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import { declare } from "@babel/helper-plugin-utils";
import transformTypeScript from "@babel/plugin-transform-typescript";
import normalizeOptions from "./normalize-options";
export default declare((api, opts) => {
api.assertVersion(7);
const {
allExtensions,
allowNamespaces,
isTSX,
jsxPragma,
jsxPragmaFrag,
onlyRemoveTypeImports,
} = normalizeOptions(opts);
const pluginOptions = process.env.BABEL_8_BREAKING
? isTSX => ({
allowNamespaces,
isTSX,
jsxPragma,
jsxPragmaFrag,
onlyRemoveTypeImports,
})
: isTSX => ({
allowDeclareFields: opts.allowDeclareFields,
allowNamespaces,
isTSX,
jsxPragma,
jsxPragmaFrag,
onlyRemoveTypeImports,
});
return {
overrides: allExtensions
? [
{
plugins: [[transformTypeScript, pluginOptions(isTSX)]],
},
]
: [
{
// Only set 'test' if explicitly requested, since it requires that
// Babel is being called`
test: /\.ts$/,
plugins: [[transformTypeScript, pluginOptions(false)]],
},
{
// Only set 'test' if explicitly requested, since it requires that
// Babel is being called`
test: /\.tsx$/,
plugins: [[transformTypeScript, pluginOptions(true)]],
},
],
};
});