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index.js
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index.js
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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 } = options;
if (typeof legacy !== "boolean") {
throw new Error("'legacy' must be a boolean.");
}
let { decoratorsBeforeExport } = options;
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.");
}
} else if (!legacy) {
decoratorsBeforeExport = true;
}
const { automaticParentheses } = options;
if (automaticParentheses !== undefined) {
if (legacy) {
throw new Error(
"'automaticParentheses' can't be used with legacy decorators.",
);
}
if (typeof automaticParentheses !== "boolean") {
throw new Error("'automaticParentheses' must be a boolean.");
}
}
return {
inherits: syntaxDecorators,
manipulateOptions({ generatorOpts }) {
generatorOpts.decoratorsBeforeExport = decoratorsBeforeExport;
},
visitor: legacy ? legacyVisitor() : visitor({ automaticParentheses }),
};
});