How to use the @webassemblyjs/helper-wasm-bytecode.types function in @webassemblyjs/helper-wasm-bytecode

function parseTypeSection(numberOfTypes) {
    var typeInstructionNodes = [];
    dump([numberOfTypes], "num types");

    for (var i = 0; i < numberOfTypes; i++) {
      var startLoc = getPosition();
      dumpSep("type " + i);
      var type = readByte();
      eatBytes(1);

      if (type == constants.types.func) {
        dump([type], "func");
        var paramValtypes = parseVec(function (b) {
          return constants.valtypes[b];
        });
        var params = paramValtypes.map(function (v) {
          return t.funcParam(
          /*valtype*/
          v);
        });
        var result = parseVec(function (b) {
          return constants.valtypes[b];
        });
        var endLoc = getPosition();
        typeInstructionNodes.push(t.withLoc(t.typeInstruction(undefined, t.signature(params, result)), endLoc, startLoc));
        state.typesInModule.push({
          params: params,

var _leb = require("@webassemblyjs/leb128");

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[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

var t = require("@webassemblyjs/ast");

var _require = require("@webassemblyjs/helper-wasm-bytecode"),
    importTypes = _require.importTypes,
    symbolsByByte = _require.symbolsByByte,
    blockTypes = _require.blockTypes,
    tableTypes = _require.tableTypes,
    globalTypes = _require.globalTypes,
    exportTypes = _require.exportTypes,
    types = _require.types,
    magicModuleHeader = _require.magicModuleHeader,
    valtypes = _require.valtypes,
    moduleVersion = _require.moduleVersion,
    sections = _require.sections;
/**
 * FIXME(sven): we can't do that because number > 2**53 will fail here
 * because they cannot be represented in js.
 */


function badI32ToI64Conversion(value) {
  return {
    high: value < 0 ? -1 : 0,
    low: value >>> 0
  };
}

function parseTypeSection(numberOfTypes) {
    var typeInstructionNodes = [];
    dump([numberOfTypes], "num types");

    for (var i = 0; i < numberOfTypes; i++) {
      var _startLoc = getPosition();

      dumpSep("type " + i);
      var type = readByte();
      eatBytes(1);

      if (type == constants.types.func) {
        dump([type], "func");
        var paramValtypes = parseVec(function (b) {
          return constants.valtypes[b];
        });
        var params = paramValtypes.map(function (v) {
          return t.funcParam(
          /*valtype*/
          v);
        });
        var result = parseVec(function (b) {
          return constants.valtypes[b];
        });
        typeInstructionNodes.push(function () {
          var endLoc = getPosition();
          return t.withLoc(t.typeInstruction(undefined, t.signature(params, result)), endLoc, _startLoc);
        }());

function parseTypeSection(numberOfTypes) {
    var typeInstructionNodes = [];
    dump([numberOfTypes], "num types");

    for (var i = 0; i < numberOfTypes; i++) {
      var _startLoc = getPosition();

      dumpSep("type " + i);
      var type = readByte();
      eatBytes(1);

      if (type == constants.types.func) {
        dump([type], "func");
        var paramValtypes = parseVec(function (b) {
          return constants.valtypes[b];
        });
        var params = paramValtypes.map(function (v) {
          return t.funcParam(
          /*valtype*/
          v);
        });
        var result = parseVec(function (b) {
          return constants.valtypes[b];
        });
        typeInstructionNodes.push(function () {
          var endLoc = getPosition();
          return t.withLoc(t.typeInstruction(undefined, t.signature(params, result)), endLoc, _startLoc);
        }());

function parseTypeSection(numberOfTypes: number) {
    const typeInstructionNodes = [];

    dump([numberOfTypes], "num types");

    for (let i = 0; i < numberOfTypes; i++) {
      const startLoc = getPosition();

      dumpSep("type " + i);

      const type = readByte();
      eatBytes(1);

      if (type == constants.types.func) {
        dump([type], "func");

        const paramValtypes: Array = parseVec(
          b => constants.valtypes[b]
        );
        const params = paramValtypes.map(v => t.funcParam(/*valtype*/ v));

        const result: Array = parseVec(b => constants.valtypes[b]);

        typeInstructionNodes.push(
          WITH_LOC(
            t.typeInstruction(undefined, t.signature(params, result)),
            startLoc
          )
        );