43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
import { declare } from "@babel/helper-plugin-utils";
|
|
import syntaxDecorators from "@babel/plugin-syntax-decorators";
|
|
import visitor from "./transformer";
|
|
import legacyVisitor from "./transformer-legacy";
|
|
|
|
export default declare((api, options) => {
|
|
api.assertVersion(7);
|
|
|
|
const { legacy = false, decoratorsBeforeExport } = options;
|
|
if (typeof legacy !== "boolean") {
|
|
throw new Error("'legacy' must be a boolean.");
|
|
}
|
|
|
|
if (legacy !== true) {
|
|
throw new Error(
|
|
"The new decorators proposal is not supported yet." +
|
|
' You must pass the `"legacy": true` option to' +
|
|
" @babel/plugin-proposal-decorators",
|
|
);
|
|
}
|
|
|
|
if (decoratorsBeforeExport !== undefined) {
|
|
if (legacy) {
|
|
throw new Error(
|
|
"'decoratorsBeforeExport' can't be used with legacy decorators.",
|
|
);
|
|
}
|
|
if (typeof decoratorsBeforeExport !== "boolean") {
|
|
throw new Error("'decoratorsBeforeExport' must be a boolean.");
|
|
}
|
|
}
|
|
|
|
return {
|
|
inherits: syntaxDecorators,
|
|
|
|
manipulateOptions({ generatorOpts }) {
|
|
generatorOpts.decoratorsBeforeExport = decoratorsBeforeExport;
|
|
},
|
|
|
|
visitor: legacy ? legacyVisitor : visitor,
|
|
};
|
|
});
|