babel-plugin-transform-typescript-metadata-macro/lib/macro.js

Babel plugin to emit decorator metadata like typescript compiler

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _babelPluginMacros = require("babel-plugin-macros");

var _transform = require("./transform");

const metadataMacro = ({
  references
}) => {
  references.default.forEach(reference => {
    const decorator = reference.findParent(parent => parent.isDecorator());

    if (!decorator) {
      throw new Error("Metadata macro should be used as class decorator");
    }

    const classDeclaration = decorator.findParent(parent => parent.isClassDeclaration());

    if (!classDeclaration) {
      throw new Error("Metadata macro should be used as class decorator");
    }

    if (classDeclaration.isClassDeclaration()) {
      if (!classDeclaration.node.decorators) {
        classDeclaration.node.decorators = [];
      }

      (0, _transform.transform)(classDeclaration);
      classDeclaration.node.decorators = classDeclaration.node.decorators.filter(it => it !== decorator.node);
    }
  });
};

var _default = (0, _babelPluginMacros.createMacro)(metadataMacro);

exports.default = _default;