@babel/plugin-syntax-decorators/lib/index.js

Allow parsing of decorators

import { declare } from '@babel/helper-plugin-utils';

const index = declare((api, options) => {
  api.assertVersion("^7.0.0-0 || ^8.0.0");
  const {
    version
  } = options;
  if (version === undefined) {
    throw new Error("The decorators plugin requires a 'version' option, whose value must be one of: " + "'2023-11' or 'legacy'.");
  }
  if (version !== "2023-11" && version !== "legacy") {
    throw new Error("Unsupported decorators version: " + JSON.stringify(version));
  }
  if ("legacy" in options) {
    throw new Error(`The .legacy option has been removed in Babel 8. Use .version: "legacy" instead.`);
  }
  if ("decoratorsBeforeExport" in options) {
    throw new Error(`The .decoratorsBeforeExport option has been removed in Babel 8. The decorators can come either before or after exports.`);
  }
  return {
    name: "syntax-decorators",
    manipulateOptions(_opts, parserOpts) {
      if (version === "legacy") {
        parserOpts.plugins.push("decorators-legacy");
      } else {
        parserOpts.plugins.push("decorators", "decoratorAutoAccessors");
      }
    }
  };
});

export { index as default };
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