“use strict”;

Object.defineProperty(exports, “__esModule”, {

value: true

}); exports.rewriteModuleStatementsAndPrepareHeader = rewriteModuleStatementsAndPrepareHeader; exports.ensureStatementsHoisted = ensureStatementsHoisted; exports.wrapInterop = wrapInterop; exports.buildNamespaceInitStatements = buildNamespaceInitStatements; Object.defineProperty(exports, “isModule”, {

enumerable: true,
get: function () {
  return _helperModuleImports().isModule;
}

}); Object.defineProperty(exports, “hasExports”, {

enumerable: true,
get: function () {
  return _normalizeAndLoadMetadata.hasExports;
}

}); Object.defineProperty(exports, “isSideEffectImport”, {

enumerable: true,
get: function () {
  return _normalizeAndLoadMetadata.isSideEffectImport;
}

});

function _assert() {

const data = _interopRequireDefault(require("assert"));

_assert = function () {
  return data;
};

return data;

}

function t() {

const data = _interopRequireWildcard(require("@babel/types"));

t = function () {
  return data;
};

return data;

}

function _template() {

const data = _interopRequireDefault(require("@babel/template"));

_template = function () {
  return data;
};

return data;

}

function _chunk() {

const data = _interopRequireDefault(require("lodash/chunk"));

_chunk = function () {
  return data;
};

return data;

}

function _helperModuleImports() {

const data = require("@babel/helper-module-imports");

_helperModuleImports = function () {
  return data;
};

return data;

}

var _rewriteThis = _interopRequireDefault(require(“./rewrite-this”));

var _rewriteLiveReferences = _interopRequireDefault(require(“./rewrite-live-references”));

var _normalizeAndLoadMetadata = _interopRequireWildcard(require(“./normalize-and-load-metadata”));

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

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function rewriteModuleStatementsAndPrepareHeader(path, {

exportName,
strict,
allowTopLevelThis,
strictMode,
loose,
noInterop,
lazy,
esNamespaceOnly

}) {

(0, _assert().default)((0, _helperModuleImports().isModule)(path), "Cannot process module statements in a script");
path.node.sourceType = "script";
const meta = (0, _normalizeAndLoadMetadata.default)(path, exportName, {
  noInterop,
  loose,
  lazy,
  esNamespaceOnly
});

if (!allowTopLevelThis) {
  (0, _rewriteThis.default)(path);
}

(0, _rewriteLiveReferences.default)(path, meta);

if (strictMode !== false) {
  const hasStrict = path.node.directives.some(directive => {
    return directive.value.value === "use strict";
  });

  if (!hasStrict) {
    path.unshiftContainer("directives", t().directive(t().directiveLiteral("use strict")));
  }
}

const headers = [];

if ((0, _normalizeAndLoadMetadata.hasExports)(meta) && !strict) {
  headers.push(buildESModuleHeader(meta, loose));
}

const nameList = buildExportNameListDeclaration(path, meta);

if (nameList) {
  meta.exportNameListName = nameList.name;
  headers.push(nameList.statement);
}

headers.push(...buildExportInitializationStatements(path, meta, loose));
return {
  meta,
  headers
};

}

function ensureStatementsHoisted(statements) {

statements.forEach(header => {
  header._blockHoist = 3;
});

}

function wrapInterop(programPath, expr, type) {

if (type === "none") {
  return null;
}

let helper;

if (type === "default") {
  helper = "interopRequireDefault";
} else if (type === "namespace") {
  helper = "interopRequireWildcard";
} else {
  throw new Error(`Unknown interop: ${type}`);
}

return t().callExpression(programPath.hub.addHelper(helper), [expr]);

}

function buildNamespaceInitStatements(metadata, sourceMetadata, loose = false) {

const statements = [];
let srcNamespace = t().identifier(sourceMetadata.name);
if (sourceMetadata.lazy) srcNamespace = t().callExpression(srcNamespace, []);

for (const localName of sourceMetadata.importsNamespace) {
  if (localName === sourceMetadata.name) continue;
  statements.push(_template().default.statement`var NAME = SOURCE;`({
    NAME: localName,
    SOURCE: t().cloneNode(srcNamespace)
  }));
}

if (loose) {
  statements.push(...buildReexportsFromMeta(metadata, sourceMetadata, loose));
}

for (const exportName of sourceMetadata.reexportNamespace) {
  statements.push((sourceMetadata.lazy ? _template().default.statement`
          Object.defineProperty(EXPORTS, "NAME", {
            enumerable: true,
            get: function() {
              return NAMESPACE;
            }
          });
        ` : _template().default.statement`EXPORTS.NAME = NAMESPACE;`)({
    EXPORTS: metadata.exportName,
    NAME: exportName,
    NAMESPACE: t().cloneNode(srcNamespace)
  }));
}

if (sourceMetadata.reexportAll) {
  const statement = buildNamespaceReexport(metadata, t().cloneNode(srcNamespace), loose);
  statement.loc = sourceMetadata.reexportAll.loc;
  statements.push(statement);
}

return statements;

}

const getTemplateForReexport = loose => {

return loose ? _template().default.statement`EXPORTS.EXPORT_NAME = NAMESPACE.IMPORT_NAME;` : _template().default`
    Object.defineProperty(EXPORTS, "EXPORT_NAME", {
      enumerable: true,
      get: function() {
        return NAMESPACE.IMPORT_NAME;
      },
    });
  `;

};

const buildReexportsFromMeta = (meta, metadata, loose) => {

const namespace = metadata.lazy ? t().callExpression(t().identifier(metadata.name), []) : t().identifier(metadata.name);
const templateForCurrentMode = getTemplateForReexport(loose);
return Array.from(metadata.reexports, ([exportName, importName]) => templateForCurrentMode({
  EXPORTS: meta.exportName,
  EXPORT_NAME: exportName,
  NAMESPACE: t().cloneNode(namespace),
  IMPORT_NAME: importName
}));

};

function buildESModuleHeader(metadata, enumerable = false) {

return (enumerable ? _template().default.statement`
      EXPORTS.__esModule = true;
    ` : _template().default.statement`
      Object.defineProperty(EXPORTS, "__esModule", {
        value: true,
      });
    `)({
  EXPORTS: metadata.exportName
});

}

function buildNamespaceReexport(metadata, namespace, loose) {

return (loose ? _template().default.statement`
      Object.keys(NAMESPACE).forEach(function(key) {
        if (key === "default" || key === "__esModule") return;
        VERIFY_NAME_LIST;

        EXPORTS[key] = NAMESPACE[key];
      });
    ` : _template().default.statement`
      Object.keys(NAMESPACE).forEach(function(key) {
        if (key === "default" || key === "__esModule") return;
        VERIFY_NAME_LIST;

        Object.defineProperty(EXPORTS, key, {
          enumerable: true,
          get: function() {
            return NAMESPACE[key];
          },
        });
      });
  `)({
  NAMESPACE: namespace,
  EXPORTS: metadata.exportName,
  VERIFY_NAME_LIST: metadata.exportNameListName ? _template().default`
          if (Object.prototype.hasOwnProperty.call(EXPORTS_LIST, key)) return;
        `({
    EXPORTS_LIST: metadata.exportNameListName
  }) : null
});

}

function buildExportNameListDeclaration(programPath, metadata) {

const exportedVars = Object.create(null);

for (const data of metadata.local.values()) {
  for (const name of data.names) {
    exportedVars[name] = true;
  }
}

let hasReexport = false;

for (const data of metadata.source.values()) {
  for (const exportName of data.reexports.keys()) {
    exportedVars[exportName] = true;
  }

  for (const exportName of data.reexportNamespace) {
    exportedVars[exportName] = true;
  }

  hasReexport = hasReexport || data.reexportAll;
}

if (!hasReexport || Object.keys(exportedVars).length === 0) return null;
const name = programPath.scope.generateUidIdentifier("exportNames");
delete exportedVars.default;
return {
  name: name.name,
  statement: t().variableDeclaration("var", [t().variableDeclarator(name, t().valueToNode(exportedVars))])
};

}

function buildExportInitializationStatements(programPath, metadata, loose = false) {

const initStatements = [];
const exportNames = [];

for (const [localName, data] of metadata.local) {
  if (data.kind === "import") {} else if (data.kind === "hoisted") {
    initStatements.push(buildInitStatement(metadata, data.names, t().identifier(localName)));
  } else {
    exportNames.push(...data.names);
  }
}

for (const data of metadata.source.values()) {
  if (!loose) {
    initStatements.push(...buildReexportsFromMeta(metadata, data, loose));
  }

  for (const exportName of data.reexportNamespace) {
    exportNames.push(exportName);
  }
}

initStatements.push(...(0, _chunk().default)(exportNames, 100).map(members => {
  return buildInitStatement(metadata, members, programPath.scope.buildUndefinedNode());
}));
return initStatements;

}

function buildInitStatement(metadata, exportNames, initExpr) {

return t().expressionStatement(exportNames.reduce((acc, exportName) => _template().default.expression`EXPORTS.NAME = VALUE`({
  EXPORTS: metadata.exportName,
  NAME: exportName,
  VALUE: acc
}), initExpr));

}