Function makeModuleInstance

ses.cjs:8556–8924

(
  privateFields,
  moduleAliases,
  moduleRecord,
  importedInstances)

// The module exports namespace is a proxy to the proxied exports namespace
// that the execution of the module instance populates.
$h‍_once.makeThirdPartyModuleInstance(makeThirdPartyModuleInstance);const makeModuleInstance=(
  privateFields,
  moduleAliases,
  moduleRecord,
  importedInstances)=>
     {
  const {
    compartment,
    moduleSpecifier,
    staticModuleRecord,
    importMeta: moduleRecordMeta}=
      moduleRecord;
  const {
    reexports: exportAlls=  [],
    __syncModuleProgram__: functorSource,
    __fixedExportMap__: fixedExportMap=  {},
    __liveExportMap__: liveExportMap=  {},
    __reexportMap__: reexportMap=  {},
    __needsImportMeta__: needsImportMeta=  false,
    __syncModuleFunctor__}=
      staticModuleRecord;

  const compartmentFields=  weakmapGet(privateFields, compartment);

  const { __shimTransforms__, importMetaHook}=   compartmentFields;

  const { exportsProxy, exportsTarget, activate}=   getDeferredExports(
    compartment,
    compartmentFields,
    moduleAliases,
    moduleSpecifier);


  // {_exportName_: getter} module exports namespace
  // object (eventually proxied).
  const exportsProps=  create(null);

  // {_localName_: accessor} proxy traps for moduleLexicals and live bindings.
  // The moduleLexicals object is frozen and the corresponding properties of
  // moduleLexicals must be immutable, so we copy the descriptors.
  const moduleLexicals=  create(null);

  // {_localName_: init(initValue) -> initValue} used by the
  // rewritten code to initialize exported fixed bindings.
  const onceVar=  create(null);

  // {_localName_: update(newValue)} used by the rewritten code to
  // both initialize and update live bindings.
  const liveVar=  create(null);

  const importMeta=  create(null);
  if( moduleRecordMeta) {
    assign(importMeta, moduleRecordMeta);
   }
  if( needsImportMeta&&  importMetaHook) {
    importMetaHook(moduleSpecifier, importMeta);
   }