rollup-plugin-lwc-bundle/lib/babel-lwc-bundle.js

Generate a lightning web component JS bundle

"use strict";

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

var t = _interopRequireWildcard(require("@babel/types"));

var _helperPluginUtils = require("@babel/helper-plugin-utils");

var _babelPluginTransformEvacuateFeatures = require("babel-plugin-transform-evacuate-features");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 *
 */
const LWC_DECORATORS = ['track', 'api', 'wire'];
/**
 *
 */

const babelTransformLwcBundlePlugin = (0, _helperPluginUtils.declare)((api, options) => {
  api.assertVersion(7);
  const plugin = (0, _babelPluginTransformEvacuateFeatures.unevacuateFeaturesPlugin)(api, options);
  return _objectSpread({}, plugin, {
    name: 'transform-lwc-bundle',
    visitor: _objectSpread({}, plugin.visitor, {
      ImportDeclaration(path) {
        const {
          node
        } = path;

        if (node.source.value === 'lwc') {
          node.specifiers = [...node.specifiers.filter(spec => !LWC_DECORATORS.includes(spec.imported)), ...LWC_DECORATORS.map(decorator => t.importSpecifier(t.identifier(decorator), t.identifier(decorator)))];
        }
      }

    })
  });
});
var _default = babelTransformLwcBundlePlugin;
exports.default = _default;