Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/clone.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/clone.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/clone.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,4 @@
+export function cloneNode(n) {
+  // $FlowIgnore
+  return Object.assign({}, n);
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/definitions.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/definitions.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/definitions.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,668 @@
+var definitions = {};
+
+function defineType(typeName, metadata) {
+  definitions[typeName] = metadata;
+}
+
+defineType("Module", {
+  spec: {
+    wasm: "https://webassembly.github.io/spec/core/binary/modules.html#binary-module",
+    wat: "https://webassembly.github.io/spec/core/text/modules.html#text-module"
+  },
+  doc: "A module consists of a sequence of sections (termed fields in the text format).",
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    fields: {
+      array: true,
+      type: "Node"
+    },
+    metadata: {
+      optional: true,
+      type: "ModuleMetadata"
+    }
+  }
+});
+defineType("ModuleMetadata", {
+  unionType: ["Node"],
+  fields: {
+    sections: {
+      array: true,
+      type: "SectionMetadata"
+    },
+    functionNames: {
+      optional: true,
+      array: true,
+      type: "FunctionNameMetadata"
+    },
+    localNames: {
+      optional: true,
+      array: true,
+      type: "ModuleMetadata"
+    },
+    producers: {
+      optional: true,
+      array: true,
+      type: "ProducersSectionMetadata"
+    }
+  }
+});
+defineType("ModuleNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("FunctionNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    index: {
+      type: "number"
+    }
+  }
+});
+defineType("LocalNameMetadata", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    localIndex: {
+      type: "number"
+    },
+    functionIndex: {
+      type: "number"
+    }
+  }
+});
+defineType("BinaryModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    blob: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("QuoteModule", {
+  unionType: ["Node"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "string"
+    },
+    string: {
+      array: true,
+      type: "string"
+    }
+  }
+});
+defineType("SectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    section: {
+      type: "SectionName"
+    },
+    startOffset: {
+      type: "number"
+    },
+    size: {
+      type: "NumberLiteral"
+    },
+    vectorOfSize: {
+      comment: "Size of the vector in the section (if any)",
+      type: "NumberLiteral"
+    }
+  }
+});
+defineType("ProducersSectionMetadata", {
+  unionType: ["Node"],
+  fields: {
+    producers: {
+      array: true,
+      type: "ProducerMetadata"
+    }
+  }
+});
+defineType("ProducerMetadata", {
+  unionType: ["Node"],
+  fields: {
+    language: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    processedBy: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    },
+    sdk: {
+      type: "ProducerMetadataVersionedName",
+      array: true
+    }
+  }
+});
+defineType("ProducerMetadataVersionedName", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    version: {
+      type: "string"
+    }
+  }
+});
+/*
+Instructions
+*/
+
+defineType("LoopInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "loop"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    resulttype: {
+      maybe: true,
+      type: "Valtype"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+defineType("Instr", {
+  unionType: ["Node", "Expression", "Instruction"],
+  fields: {
+    id: {
+      type: "string"
+    },
+    object: {
+      optional: true,
+      type: "Valtype"
+    },
+    args: {
+      array: true,
+      type: "Expression"
+    },
+    namedArgs: {
+      optional: true,
+      type: "Object"
+    }
+  }
+});
+defineType("IfInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "if"
+    },
+    testLabel: {
+      comment: "only for WAST",
+      type: "Identifier"
+    },
+    test: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    },
+    consequent: {
+      array: true,
+      type: "Instruction"
+    },
+    alternate: {
+      array: true,
+      type: "Instruction"
+    }
+  }
+});
+/* 
+Concrete value types
+*/
+
+defineType("StringLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("NumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("LongNumberLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "LongNumber"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("FloatLiteral", {
+  unionType: ["Node", "NumericLiteral", "Expression"],
+  fields: {
+    value: {
+      type: "number"
+    },
+    nan: {
+      optional: true,
+      type: "boolean"
+    },
+    inf: {
+      optional: true,
+      type: "boolean"
+    },
+    raw: {
+      type: "string"
+    }
+  }
+});
+defineType("Elem", {
+  unionType: ["Node"],
+  fields: {
+    table: {
+      type: "Index"
+    },
+    offset: {
+      array: true,
+      type: "Instruction"
+    },
+    funcs: {
+      array: true,
+      type: "Index"
+    }
+  }
+});
+defineType("IndexInFuncSection", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("ValtypeLiteral", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    name: {
+      type: "Valtype"
+    }
+  }
+});
+defineType("TypeInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      maybe: true,
+      type: "Index"
+    },
+    functype: {
+      type: "Signature"
+    }
+  }
+});
+defineType("Start", {
+  unionType: ["Node"],
+  fields: {
+    index: {
+      type: "Index"
+    }
+  }
+});
+defineType("GlobalType", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    valtype: {
+      type: "Valtype"
+    },
+    mutability: {
+      type: "Mutability"
+    }
+  }
+});
+defineType("LeadingComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("BlockComment", {
+  unionType: ["Node"],
+  fields: {
+    value: {
+      type: "string"
+    }
+  }
+});
+defineType("Data", {
+  unionType: ["Node"],
+  fields: {
+    memoryIndex: {
+      type: "Memidx"
+    },
+    offset: {
+      type: "Instruction"
+    },
+    init: {
+      type: "ByteArray"
+    }
+  }
+});
+defineType("Global", {
+  unionType: ["Node"],
+  fields: {
+    globalType: {
+      type: "GlobalType"
+    },
+    init: {
+      array: true,
+      type: "Instruction"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    }
+  }
+});
+defineType("Table", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    elementType: {
+      type: "TableElementType"
+    },
+    limits: {
+      assertNodeType: true,
+      type: "Limit"
+    },
+    name: {
+      maybe: true,
+      type: "Identifier"
+    },
+    elements: {
+      array: true,
+      optional: true,
+      type: "Index"
+    }
+  }
+});
+defineType("Memory", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    limits: {
+      type: "Limit"
+    },
+    id: {
+      maybe: true,
+      type: "Index"
+    }
+  }
+});
+defineType("FuncImportDescr", {
+  unionType: ["Node", "ImportDescr"],
+  fields: {
+    id: {
+      type: "Identifier"
+    },
+    signature: {
+      type: "Signature"
+    }
+  }
+});
+defineType("ModuleImport", {
+  unionType: ["Node"],
+  fields: {
+    module: {
+      type: "string"
+    },
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ImportDescr"
+    }
+  }
+});
+defineType("ModuleExportDescr", {
+  unionType: ["Node"],
+  fields: {
+    exportType: {
+      type: "ExportDescrType"
+    },
+    id: {
+      type: "Index"
+    }
+  }
+});
+defineType("ModuleExport", {
+  unionType: ["Node"],
+  fields: {
+    name: {
+      type: "string"
+    },
+    descr: {
+      type: "ModuleExportDescr"
+    }
+  }
+});
+defineType("Limit", {
+  unionType: ["Node"],
+  fields: {
+    min: {
+      type: "number"
+    },
+    max: {
+      optional: true,
+      type: "number"
+    },
+    // Threads proposal, shared memory
+    shared: {
+      optional: true,
+      type: "boolean"
+    }
+  }
+});
+defineType("Signature", {
+  unionType: ["Node"],
+  fields: {
+    params: {
+      array: true,
+      type: "FuncParam"
+    },
+    results: {
+      array: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("Program", {
+  unionType: ["Node"],
+  fields: {
+    body: {
+      array: true,
+      type: "Node"
+    }
+  }
+});
+defineType("Identifier", {
+  unionType: ["Node", "Expression"],
+  fields: {
+    value: {
+      type: "string"
+    },
+    raw: {
+      optional: true,
+      type: "string"
+    }
+  }
+});
+defineType("BlockInstruction", {
+  unionType: ["Node", "Block", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "block"
+    },
+    label: {
+      maybe: true,
+      type: "Identifier"
+    },
+    instr: {
+      array: true,
+      type: "Instruction"
+    },
+    result: {
+      maybe: true,
+      type: "Valtype"
+    }
+  }
+});
+defineType("CallInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call"
+    },
+    index: {
+      type: "Index"
+    },
+    instrArgs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    },
+    numeric: {
+      type: "Index",
+      optional: true
+    }
+  }
+});
+defineType("CallIndirectInstruction", {
+  unionType: ["Node", "Instruction"],
+  fields: {
+    id: {
+      constant: true,
+      type: "string",
+      value: "call_indirect"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    intrs: {
+      array: true,
+      optional: true,
+      type: "Expression"
+    }
+  }
+});
+defineType("ByteArray", {
+  unionType: ["Node"],
+  fields: {
+    values: {
+      array: true,
+      type: "Byte"
+    }
+  }
+});
+defineType("Func", {
+  unionType: ["Node", "Block"],
+  fields: {
+    name: {
+      maybe: true,
+      type: "Index"
+    },
+    signature: {
+      type: "SignatureOrTypeRef"
+    },
+    body: {
+      array: true,
+      type: "Instruction"
+    },
+    isExternal: {
+      comment: "means that it has been imported from the outside js",
+      optional: true,
+      type: "boolean"
+    },
+    metadata: {
+      optional: true,
+      type: "FuncMetadata"
+    }
+  }
+});
+/**
+ * Intrinsics
+ */
+
+defineType("InternalBrUnless", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalGoto", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+});
+defineType("InternalCallExtern", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {
+    target: {
+      type: "number"
+    }
+  }
+}); // function bodies are terminated by an `end` instruction but are missing a
+// return instruction
+//
+// Since we can't inject a new instruction we are injecting a new instruction.
+
+defineType("InternalEndAndReturn", {
+  unionType: ["Node", "Intrinsic"],
+  fields: {}
+});
+module.exports = definitions;
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/index.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,7 @@
+export * from "./nodes";
+export { numberLiteralFromRaw, withLoc, withRaw, funcParam, indexLiteral, memIndexLiteral, instruction, objectInstruction } from "./node-helpers.js";
+export { traverse } from "./traverse";
+export { signatures } from "./signatures";
+export * from "./utils";
+export { cloneNode } from "./clone";
+export { moduleContextFromModuleAST } from "./transform/ast-module-to-module-context";
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-helpers.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-helpers.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-helpers.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,84 @@
+import { parse32F, parse64F, parse32I, parse64I, parseU32, isNanLiteral, isInfLiteral } from "@webassemblyjs/helper-numbers";
+import { longNumberLiteral, floatLiteral, numberLiteral, instr } from "./nodes";
+export function numberLiteralFromRaw(rawValue) {
+  var instructionType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "i32";
+  var original = rawValue; // Remove numeric separators _
+
+  if (typeof rawValue === "string") {
+    rawValue = rawValue.replace(/_/g, "");
+  }
+
+  if (typeof rawValue === "number") {
+    return numberLiteral(rawValue, String(original));
+  } else {
+    switch (instructionType) {
+      case "i32":
+        {
+          return numberLiteral(parse32I(rawValue), String(original));
+        }
+
+      case "u32":
+        {
+          return numberLiteral(parseU32(rawValue), String(original));
+        }
+
+      case "i64":
+        {
+          return longNumberLiteral(parse64I(rawValue), String(original));
+        }
+
+      case "f32":
+        {
+          return floatLiteral(parse32F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
+        }
+      // f64
+
+      default:
+        {
+          return floatLiteral(parse64F(rawValue), isNanLiteral(rawValue), isInfLiteral(rawValue), String(original));
+        }
+    }
+  }
+}
+export function instruction(id) {
+  var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+  var namedArgs = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+  return instr(id, undefined, args, namedArgs);
+}
+export function objectInstruction(id, object) {
+  var args = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
+  var namedArgs = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
+  return instr(id, object, args, namedArgs);
+}
+/**
+ * Decorators
+ */
+
+export function withLoc(n, end, start) {
+  var loc = {
+    start: start,
+    end: end
+  };
+  n.loc = loc;
+  return n;
+}
+export function withRaw(n, raw) {
+  n.raw = raw;
+  return n;
+}
+export function funcParam(valtype, id) {
+  return {
+    id: id,
+    valtype: valtype
+  };
+}
+export function indexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
+export function memIndexLiteral(value) {
+  // $FlowIgnore
+  var x = numberLiteralFromRaw(value, "u32");
+  return x;
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-path.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-path.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/node-path.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,141 @@
+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; }
+
+function findParent(_ref, cb) {
+  var parentPath = _ref.parentPath;
+
+  if (parentPath == null) {
+    throw new Error("node is root");
+  }
+
+  var currentPath = parentPath;
+
+  while (cb(currentPath) !== false) {
+    // Hit the root node, stop
+    // $FlowIgnore
+    if (currentPath.parentPath == null) {
+      return null;
+    } // $FlowIgnore
+
+
+    currentPath = currentPath.parentPath;
+  }
+
+  return currentPath.node;
+}
+
+function insertBefore(context, newNode) {
+  return insert(context, newNode);
+}
+
+function insertAfter(context, newNode) {
+  return insert(context, newNode, 1);
+}
+
+function insert(_ref2, newNode) {
+  var node = _ref2.node,
+      inList = _ref2.inList,
+      parentPath = _ref2.parentPath,
+      parentKey = _ref2.parentKey;
+  var indexOffset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+  if (!inList) {
+    throw new Error('inList' + " error: " + ("insert can only be used for nodes that are within lists" || "unknown"));
+  }
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentList = parentPath.node[parentKey];
+  var indexInList = parentList.findIndex(function (n) {
+    return n === node;
+  });
+  parentList.splice(indexInList + indexOffset, 0, newNode);
+}
+
+function remove(_ref3) {
+  var node = _ref3.node,
+      parentKey = _ref3.parentKey,
+      parentPath = _ref3.parentPath;
+
+  if (!(parentPath != null)) {
+    throw new Error('parentPath != null' + " error: " + ("Can not remove root node" || "unknown"));
+  }
+
+  // $FlowIgnore
+  var parentNode = parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    // $FlowIgnore
+    parentNode[parentKey] = parentProperty.filter(function (n) {
+      return n !== node;
+    });
+  } else {
+    // $FlowIgnore
+    delete parentNode[parentKey];
+  }
+
+  node._deleted = true;
+}
+
+function stop(context) {
+  context.shouldStop = true;
+}
+
+function replaceWith(context, newNode) {
+  // $FlowIgnore
+  var parentNode = context.parentPath.node; // $FlowIgnore
+
+  var parentProperty = parentNode[context.parentKey];
+
+  if (Array.isArray(parentProperty)) {
+    var indexInList = parentProperty.findIndex(function (n) {
+      return n === context.node;
+    });
+    parentProperty.splice(indexInList, 1, newNode);
+  } else {
+    // $FlowIgnore
+    parentNode[context.parentKey] = newNode;
+  }
+
+  context.node._deleted = true;
+  context.node = newNode;
+} // bind the context to the first argument of node operations
+
+
+function bindNodeOperations(operations, context) {
+  var keys = Object.keys(operations);
+  var boundOperations = {};
+  keys.forEach(function (key) {
+    boundOperations[key] = operations[key].bind(null, context);
+  });
+  return boundOperations;
+}
+
+function createPathOperations(context) {
+  // $FlowIgnore
+  return bindNodeOperations({
+    findParent: findParent,
+    replaceWith: replaceWith,
+    remove: remove,
+    insertBefore: insertBefore,
+    insertAfter: insertAfter,
+    stop: stop
+  }, context);
+}
+
+export function createPath(context) {
+  var path = _objectSpread({}, context); // $FlowIgnore
+
+
+  Object.assign(path, createPathOperations(path)); // $FlowIgnore
+
+  return path;
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/nodes.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/nodes.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/nodes.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,925 @@
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+// THIS FILE IS AUTOGENERATED
+// see scripts/generateNodeUtils.js
+function isTypeOf(t) {
+  return function (n) {
+    return n.type === t;
+  };
+}
+
+function assertTypeOf(t) {
+  return function (n) {
+    return function () {
+      if (!(n.type === t)) {
+        throw new Error('n.type === t' + " error: " + (undefined || "unknown"));
+      }
+    }();
+  };
+}
+
+export function module(id, fields, metadata) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(fields) === "object" && typeof fields.length !== "undefined")) {
+    throw new Error('typeof fields === "object" && typeof fields.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Module",
+    id: id,
+    fields: fields
+  };
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+export function moduleMetadata(sections, functionNames, localNames, producers) {
+  if (!(_typeof(sections) === "object" && typeof sections.length !== "undefined")) {
+    throw new Error('typeof sections === "object" && typeof sections.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (functionNames !== null && functionNames !== undefined) {
+    if (!(_typeof(functionNames) === "object" && typeof functionNames.length !== "undefined")) {
+      throw new Error('typeof functionNames === "object" && typeof functionNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (localNames !== null && localNames !== undefined) {
+    if (!(_typeof(localNames) === "object" && typeof localNames.length !== "undefined")) {
+      throw new Error('typeof localNames === "object" && typeof localNames.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  if (producers !== null && producers !== undefined) {
+    if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+      throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "ModuleMetadata",
+    sections: sections
+  };
+
+  if (typeof functionNames !== "undefined" && functionNames.length > 0) {
+    node.functionNames = functionNames;
+  }
+
+  if (typeof localNames !== "undefined" && localNames.length > 0) {
+    node.localNames = localNames;
+  }
+
+  if (typeof producers !== "undefined" && producers.length > 0) {
+    node.producers = producers;
+  }
+
+  return node;
+}
+export function moduleNameMetadata(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleNameMetadata",
+    value: value
+  };
+  return node;
+}
+export function functionNameMetadata(value, index) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof index === "number")) {
+    throw new Error('typeof index === "number"' + " error: " + ("Argument index must be of type number, given: " + _typeof(index) || "unknown"));
+  }
+
+  var node = {
+    type: "FunctionNameMetadata",
+    value: value,
+    index: index
+  };
+  return node;
+}
+export function localNameMetadata(value, localIndex, functionIndex) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof localIndex === "number")) {
+    throw new Error('typeof localIndex === "number"' + " error: " + ("Argument localIndex must be of type number, given: " + _typeof(localIndex) || "unknown"));
+  }
+
+  if (!(typeof functionIndex === "number")) {
+    throw new Error('typeof functionIndex === "number"' + " error: " + ("Argument functionIndex must be of type number, given: " + _typeof(functionIndex) || "unknown"));
+  }
+
+  var node = {
+    type: "LocalNameMetadata",
+    value: value,
+    localIndex: localIndex,
+    functionIndex: functionIndex
+  };
+  return node;
+}
+export function binaryModule(id, blob) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(blob) === "object" && typeof blob.length !== "undefined")) {
+    throw new Error('typeof blob === "object" && typeof blob.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BinaryModule",
+    id: id,
+    blob: blob
+  };
+  return node;
+}
+export function quoteModule(id, string) {
+  if (id !== null && id !== undefined) {
+    if (!(typeof id === "string")) {
+      throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+    }
+  }
+
+  if (!(_typeof(string) === "object" && typeof string.length !== "undefined")) {
+    throw new Error('typeof string === "object" && typeof string.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "QuoteModule",
+    id: id,
+    string: string
+  };
+  return node;
+}
+export function sectionMetadata(section, startOffset, size, vectorOfSize) {
+  if (!(typeof startOffset === "number")) {
+    throw new Error('typeof startOffset === "number"' + " error: " + ("Argument startOffset must be of type number, given: " + _typeof(startOffset) || "unknown"));
+  }
+
+  var node = {
+    type: "SectionMetadata",
+    section: section,
+    startOffset: startOffset,
+    size: size,
+    vectorOfSize: vectorOfSize
+  };
+  return node;
+}
+export function producersSectionMetadata(producers) {
+  if (!(_typeof(producers) === "object" && typeof producers.length !== "undefined")) {
+    throw new Error('typeof producers === "object" && typeof producers.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducersSectionMetadata",
+    producers: producers
+  };
+  return node;
+}
+export function producerMetadata(language, processedBy, sdk) {
+  if (!(_typeof(language) === "object" && typeof language.length !== "undefined")) {
+    throw new Error('typeof language === "object" && typeof language.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(processedBy) === "object" && typeof processedBy.length !== "undefined")) {
+    throw new Error('typeof processedBy === "object" && typeof processedBy.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(sdk) === "object" && typeof sdk.length !== "undefined")) {
+    throw new Error('typeof sdk === "object" && typeof sdk.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadata",
+    language: language,
+    processedBy: processedBy,
+    sdk: sdk
+  };
+  return node;
+}
+export function producerMetadataVersionedName(name, version) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  if (!(typeof version === "string")) {
+    throw new Error('typeof version === "string"' + " error: " + ("Argument version must be of type string, given: " + _typeof(version) || "unknown"));
+  }
+
+  var node = {
+    type: "ProducerMetadataVersionedName",
+    name: name,
+    version: version
+  };
+  return node;
+}
+export function loopInstruction(label, resulttype, instr) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "LoopInstruction",
+    id: "loop",
+    label: label,
+    resulttype: resulttype,
+    instr: instr
+  };
+  return node;
+}
+export function instr(id, object, args, namedArgs) {
+  if (!(typeof id === "string")) {
+    throw new Error('typeof id === "string"' + " error: " + ("Argument id must be of type string, given: " + _typeof(id) || "unknown"));
+  }
+
+  if (!(_typeof(args) === "object" && typeof args.length !== "undefined")) {
+    throw new Error('typeof args === "object" && typeof args.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Instr",
+    id: id,
+    args: args
+  };
+
+  if (typeof object !== "undefined") {
+    node.object = object;
+  }
+
+  if (typeof namedArgs !== "undefined" && Object.keys(namedArgs).length !== 0) {
+    node.namedArgs = namedArgs;
+  }
+
+  return node;
+}
+export function ifInstruction(testLabel, test, result, consequent, alternate) {
+  if (!(_typeof(test) === "object" && typeof test.length !== "undefined")) {
+    throw new Error('typeof test === "object" && typeof test.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(consequent) === "object" && typeof consequent.length !== "undefined")) {
+    throw new Error('typeof consequent === "object" && typeof consequent.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(alternate) === "object" && typeof alternate.length !== "undefined")) {
+    throw new Error('typeof alternate === "object" && typeof alternate.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "IfInstruction",
+    id: "if",
+    testLabel: testLabel,
+    test: test,
+    result: result,
+    consequent: consequent,
+    alternate: alternate
+  };
+  return node;
+}
+export function stringLiteral(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "StringLiteral",
+    value: value
+  };
+  return node;
+}
+export function numberLiteral(value, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "NumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+export function longNumberLiteral(value, raw) {
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "LongNumberLiteral",
+    value: value,
+    raw: raw
+  };
+  return node;
+}
+export function floatLiteral(value, nan, inf, raw) {
+  if (!(typeof value === "number")) {
+    throw new Error('typeof value === "number"' + " error: " + ("Argument value must be of type number, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (nan !== null && nan !== undefined) {
+    if (!(typeof nan === "boolean")) {
+      throw new Error('typeof nan === "boolean"' + " error: " + ("Argument nan must be of type boolean, given: " + _typeof(nan) || "unknown"));
+    }
+  }
+
+  if (inf !== null && inf !== undefined) {
+    if (!(typeof inf === "boolean")) {
+      throw new Error('typeof inf === "boolean"' + " error: " + ("Argument inf must be of type boolean, given: " + _typeof(inf) || "unknown"));
+    }
+  }
+
+  if (!(typeof raw === "string")) {
+    throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+  }
+
+  var node = {
+    type: "FloatLiteral",
+    value: value,
+    raw: raw
+  };
+
+  if (nan === true) {
+    node.nan = true;
+  }
+
+  if (inf === true) {
+    node.inf = true;
+  }
+
+  return node;
+}
+export function elem(table, offset, funcs) {
+  if (!(_typeof(offset) === "object" && typeof offset.length !== "undefined")) {
+    throw new Error('typeof offset === "object" && typeof offset.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(funcs) === "object" && typeof funcs.length !== "undefined")) {
+    throw new Error('typeof funcs === "object" && typeof funcs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Elem",
+    table: table,
+    offset: offset,
+    funcs: funcs
+  };
+  return node;
+}
+export function indexInFuncSection(index) {
+  var node = {
+    type: "IndexInFuncSection",
+    index: index
+  };
+  return node;
+}
+export function valtypeLiteral(name) {
+  var node = {
+    type: "ValtypeLiteral",
+    name: name
+  };
+  return node;
+}
+export function typeInstruction(id, functype) {
+  var node = {
+    type: "TypeInstruction",
+    id: id,
+    functype: functype
+  };
+  return node;
+}
+export function start(index) {
+  var node = {
+    type: "Start",
+    index: index
+  };
+  return node;
+}
+export function globalType(valtype, mutability) {
+  var node = {
+    type: "GlobalType",
+    valtype: valtype,
+    mutability: mutability
+  };
+  return node;
+}
+export function leadingComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "LeadingComment",
+    value: value
+  };
+  return node;
+}
+export function blockComment(value) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  var node = {
+    type: "BlockComment",
+    value: value
+  };
+  return node;
+}
+export function data(memoryIndex, offset, init) {
+  var node = {
+    type: "Data",
+    memoryIndex: memoryIndex,
+    offset: offset,
+    init: init
+  };
+  return node;
+}
+export function global(globalType, init, name) {
+  if (!(_typeof(init) === "object" && typeof init.length !== "undefined")) {
+    throw new Error('typeof init === "object" && typeof init.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Global",
+    globalType: globalType,
+    init: init,
+    name: name
+  };
+  return node;
+}
+export function table(elementType, limits, name, elements) {
+  if (!(limits.type === "Limit")) {
+    throw new Error('limits.type === "Limit"' + " error: " + ("Argument limits must be of type Limit, given: " + limits.type || "unknown"));
+  }
+
+  if (elements !== null && elements !== undefined) {
+    if (!(_typeof(elements) === "object" && typeof elements.length !== "undefined")) {
+      throw new Error('typeof elements === "object" && typeof elements.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Table",
+    elementType: elementType,
+    limits: limits,
+    name: name
+  };
+
+  if (typeof elements !== "undefined" && elements.length > 0) {
+    node.elements = elements;
+  }
+
+  return node;
+}
+export function memory(limits, id) {
+  var node = {
+    type: "Memory",
+    limits: limits,
+    id: id
+  };
+  return node;
+}
+export function funcImportDescr(id, signature) {
+  var node = {
+    type: "FuncImportDescr",
+    id: id,
+    signature: signature
+  };
+  return node;
+}
+export function moduleImport(module, name, descr) {
+  if (!(typeof module === "string")) {
+    throw new Error('typeof module === "string"' + " error: " + ("Argument module must be of type string, given: " + _typeof(module) || "unknown"));
+  }
+
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleImport",
+    module: module,
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+export function moduleExportDescr(exportType, id) {
+  var node = {
+    type: "ModuleExportDescr",
+    exportType: exportType,
+    id: id
+  };
+  return node;
+}
+export function moduleExport(name, descr) {
+  if (!(typeof name === "string")) {
+    throw new Error('typeof name === "string"' + " error: " + ("Argument name must be of type string, given: " + _typeof(name) || "unknown"));
+  }
+
+  var node = {
+    type: "ModuleExport",
+    name: name,
+    descr: descr
+  };
+  return node;
+}
+export function limit(min, max, shared) {
+  if (!(typeof min === "number")) {
+    throw new Error('typeof min === "number"' + " error: " + ("Argument min must be of type number, given: " + _typeof(min) || "unknown"));
+  }
+
+  if (max !== null && max !== undefined) {
+    if (!(typeof max === "number")) {
+      throw new Error('typeof max === "number"' + " error: " + ("Argument max must be of type number, given: " + _typeof(max) || "unknown"));
+    }
+  }
+
+  if (shared !== null && shared !== undefined) {
+    if (!(typeof shared === "boolean")) {
+      throw new Error('typeof shared === "boolean"' + " error: " + ("Argument shared must be of type boolean, given: " + _typeof(shared) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Limit",
+    min: min
+  };
+
+  if (typeof max !== "undefined") {
+    node.max = max;
+  }
+
+  if (shared === true) {
+    node.shared = true;
+  }
+
+  return node;
+}
+export function signature(params, results) {
+  if (!(_typeof(params) === "object" && typeof params.length !== "undefined")) {
+    throw new Error('typeof params === "object" && typeof params.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (!(_typeof(results) === "object" && typeof results.length !== "undefined")) {
+    throw new Error('typeof results === "object" && typeof results.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Signature",
+    params: params,
+    results: results
+  };
+  return node;
+}
+export function program(body) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "Program",
+    body: body
+  };
+  return node;
+}
+export function identifier(value, raw) {
+  if (!(typeof value === "string")) {
+    throw new Error('typeof value === "string"' + " error: " + ("Argument value must be of type string, given: " + _typeof(value) || "unknown"));
+  }
+
+  if (raw !== null && raw !== undefined) {
+    if (!(typeof raw === "string")) {
+      throw new Error('typeof raw === "string"' + " error: " + ("Argument raw must be of type string, given: " + _typeof(raw) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Identifier",
+    value: value
+  };
+
+  if (typeof raw !== "undefined") {
+    node.raw = raw;
+  }
+
+  return node;
+}
+export function blockInstruction(label, instr, result) {
+  if (!(_typeof(instr) === "object" && typeof instr.length !== "undefined")) {
+    throw new Error('typeof instr === "object" && typeof instr.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "BlockInstruction",
+    id: "block",
+    label: label,
+    instr: instr,
+    result: result
+  };
+  return node;
+}
+export function callInstruction(index, instrArgs, numeric) {
+  if (instrArgs !== null && instrArgs !== undefined) {
+    if (!(_typeof(instrArgs) === "object" && typeof instrArgs.length !== "undefined")) {
+      throw new Error('typeof instrArgs === "object" && typeof instrArgs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallInstruction",
+    id: "call",
+    index: index
+  };
+
+  if (typeof instrArgs !== "undefined" && instrArgs.length > 0) {
+    node.instrArgs = instrArgs;
+  }
+
+  if (typeof numeric !== "undefined") {
+    node.numeric = numeric;
+  }
+
+  return node;
+}
+export function callIndirectInstruction(signature, intrs) {
+  if (intrs !== null && intrs !== undefined) {
+    if (!(_typeof(intrs) === "object" && typeof intrs.length !== "undefined")) {
+      throw new Error('typeof intrs === "object" && typeof intrs.length !== "undefined"' + " error: " + (undefined || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "CallIndirectInstruction",
+    id: "call_indirect",
+    signature: signature
+  };
+
+  if (typeof intrs !== "undefined" && intrs.length > 0) {
+    node.intrs = intrs;
+  }
+
+  return node;
+}
+export function byteArray(values) {
+  if (!(_typeof(values) === "object" && typeof values.length !== "undefined")) {
+    throw new Error('typeof values === "object" && typeof values.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  var node = {
+    type: "ByteArray",
+    values: values
+  };
+  return node;
+}
+export function func(name, signature, body, isExternal, metadata) {
+  if (!(_typeof(body) === "object" && typeof body.length !== "undefined")) {
+    throw new Error('typeof body === "object" && typeof body.length !== "undefined"' + " error: " + (undefined || "unknown"));
+  }
+
+  if (isExternal !== null && isExternal !== undefined) {
+    if (!(typeof isExternal === "boolean")) {
+      throw new Error('typeof isExternal === "boolean"' + " error: " + ("Argument isExternal must be of type boolean, given: " + _typeof(isExternal) || "unknown"));
+    }
+  }
+
+  var node = {
+    type: "Func",
+    name: name,
+    signature: signature,
+    body: body
+  };
+
+  if (isExternal === true) {
+    node.isExternal = true;
+  }
+
+  if (typeof metadata !== "undefined") {
+    node.metadata = metadata;
+  }
+
+  return node;
+}
+export function internalBrUnless(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalBrUnless",
+    target: target
+  };
+  return node;
+}
+export function internalGoto(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalGoto",
+    target: target
+  };
+  return node;
+}
+export function internalCallExtern(target) {
+  if (!(typeof target === "number")) {
+    throw new Error('typeof target === "number"' + " error: " + ("Argument target must be of type number, given: " + _typeof(target) || "unknown"));
+  }
+
+  var node = {
+    type: "InternalCallExtern",
+    target: target
+  };
+  return node;
+}
+export function internalEndAndReturn() {
+  var node = {
+    type: "InternalEndAndReturn"
+  };
+  return node;
+}
+export var isModule = isTypeOf("Module");
+export var isModuleMetadata = isTypeOf("ModuleMetadata");
+export var isModuleNameMetadata = isTypeOf("ModuleNameMetadata");
+export var isFunctionNameMetadata = isTypeOf("FunctionNameMetadata");
+export var isLocalNameMetadata = isTypeOf("LocalNameMetadata");
+export var isBinaryModule = isTypeOf("BinaryModule");
+export var isQuoteModule = isTypeOf("QuoteModule");
+export var isSectionMetadata = isTypeOf("SectionMetadata");
+export var isProducersSectionMetadata = isTypeOf("ProducersSectionMetadata");
+export var isProducerMetadata = isTypeOf("ProducerMetadata");
+export var isProducerMetadataVersionedName = isTypeOf("ProducerMetadataVersionedName");
+export var isLoopInstruction = isTypeOf("LoopInstruction");
+export var isInstr = isTypeOf("Instr");
+export var isIfInstruction = isTypeOf("IfInstruction");
+export var isStringLiteral = isTypeOf("StringLiteral");
+export var isNumberLiteral = isTypeOf("NumberLiteral");
+export var isLongNumberLiteral = isTypeOf("LongNumberLiteral");
+export var isFloatLiteral = isTypeOf("FloatLiteral");
+export var isElem = isTypeOf("Elem");
+export var isIndexInFuncSection = isTypeOf("IndexInFuncSection");
+export var isValtypeLiteral = isTypeOf("ValtypeLiteral");
+export var isTypeInstruction = isTypeOf("TypeInstruction");
+export var isStart = isTypeOf("Start");
+export var isGlobalType = isTypeOf("GlobalType");
+export var isLeadingComment = isTypeOf("LeadingComment");
+export var isBlockComment = isTypeOf("BlockComment");
+export var isData = isTypeOf("Data");
+export var isGlobal = isTypeOf("Global");
+export var isTable = isTypeOf("Table");
+export var isMemory = isTypeOf("Memory");
+export var isFuncImportDescr = isTypeOf("FuncImportDescr");
+export var isModuleImport = isTypeOf("ModuleImport");
+export var isModuleExportDescr = isTypeOf("ModuleExportDescr");
+export var isModuleExport = isTypeOf("ModuleExport");
+export var isLimit = isTypeOf("Limit");
+export var isSignature = isTypeOf("Signature");
+export var isProgram = isTypeOf("Program");
+export var isIdentifier = isTypeOf("Identifier");
+export var isBlockInstruction = isTypeOf("BlockInstruction");
+export var isCallInstruction = isTypeOf("CallInstruction");
+export var isCallIndirectInstruction = isTypeOf("CallIndirectInstruction");
+export var isByteArray = isTypeOf("ByteArray");
+export var isFunc = isTypeOf("Func");
+export var isInternalBrUnless = isTypeOf("InternalBrUnless");
+export var isInternalGoto = isTypeOf("InternalGoto");
+export var isInternalCallExtern = isTypeOf("InternalCallExtern");
+export var isInternalEndAndReturn = isTypeOf("InternalEndAndReturn");
+export var isNode = function isNode(node) {
+  return isModule(node) || isModuleMetadata(node) || isModuleNameMetadata(node) || isFunctionNameMetadata(node) || isLocalNameMetadata(node) || isBinaryModule(node) || isQuoteModule(node) || isSectionMetadata(node) || isProducersSectionMetadata(node) || isProducerMetadata(node) || isProducerMetadataVersionedName(node) || isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isElem(node) || isIndexInFuncSection(node) || isValtypeLiteral(node) || isTypeInstruction(node) || isStart(node) || isGlobalType(node) || isLeadingComment(node) || isBlockComment(node) || isData(node) || isGlobal(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node) || isModuleImport(node) || isModuleExportDescr(node) || isModuleExport(node) || isLimit(node) || isSignature(node) || isProgram(node) || isIdentifier(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node) || isByteArray(node) || isFunc(node) || isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+export var isBlock = function isBlock(node) {
+  return isLoopInstruction(node) || isBlockInstruction(node) || isFunc(node);
+};
+export var isInstruction = function isInstruction(node) {
+  return isLoopInstruction(node) || isInstr(node) || isIfInstruction(node) || isTypeInstruction(node) || isBlockInstruction(node) || isCallInstruction(node) || isCallIndirectInstruction(node);
+};
+export var isExpression = function isExpression(node) {
+  return isInstr(node) || isStringLiteral(node) || isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node) || isValtypeLiteral(node) || isIdentifier(node);
+};
+export var isNumericLiteral = function isNumericLiteral(node) {
+  return isNumberLiteral(node) || isLongNumberLiteral(node) || isFloatLiteral(node);
+};
+export var isImportDescr = function isImportDescr(node) {
+  return isGlobalType(node) || isTable(node) || isMemory(node) || isFuncImportDescr(node);
+};
+export var isIntrinsic = function isIntrinsic(node) {
+  return isInternalBrUnless(node) || isInternalGoto(node) || isInternalCallExtern(node) || isInternalEndAndReturn(node);
+};
+export var assertModule = assertTypeOf("Module");
+export var assertModuleMetadata = assertTypeOf("ModuleMetadata");
+export var assertModuleNameMetadata = assertTypeOf("ModuleNameMetadata");
+export var assertFunctionNameMetadata = assertTypeOf("FunctionNameMetadata");
+export var assertLocalNameMetadata = assertTypeOf("LocalNameMetadata");
+export var assertBinaryModule = assertTypeOf("BinaryModule");
+export var assertQuoteModule = assertTypeOf("QuoteModule");
+export var assertSectionMetadata = assertTypeOf("SectionMetadata");
+export var assertProducersSectionMetadata = assertTypeOf("ProducersSectionMetadata");
+export var assertProducerMetadata = assertTypeOf("ProducerMetadata");
+export var assertProducerMetadataVersionedName = assertTypeOf("ProducerMetadataVersionedName");
+export var assertLoopInstruction = assertTypeOf("LoopInstruction");
+export var assertInstr = assertTypeOf("Instr");
+export var assertIfInstruction = assertTypeOf("IfInstruction");
+export var assertStringLiteral = assertTypeOf("StringLiteral");
+export var assertNumberLiteral = assertTypeOf("NumberLiteral");
+export var assertLongNumberLiteral = assertTypeOf("LongNumberLiteral");
+export var assertFloatLiteral = assertTypeOf("FloatLiteral");
+export var assertElem = assertTypeOf("Elem");
+export var assertIndexInFuncSection = assertTypeOf("IndexInFuncSection");
+export var assertValtypeLiteral = assertTypeOf("ValtypeLiteral");
+export var assertTypeInstruction = assertTypeOf("TypeInstruction");
+export var assertStart = assertTypeOf("Start");
+export var assertGlobalType = assertTypeOf("GlobalType");
+export var assertLeadingComment = assertTypeOf("LeadingComment");
+export var assertBlockComment = assertTypeOf("BlockComment");
+export var assertData = assertTypeOf("Data");
+export var assertGlobal = assertTypeOf("Global");
+export var assertTable = assertTypeOf("Table");
+export var assertMemory = assertTypeOf("Memory");
+export var assertFuncImportDescr = assertTypeOf("FuncImportDescr");
+export var assertModuleImport = assertTypeOf("ModuleImport");
+export var assertModuleExportDescr = assertTypeOf("ModuleExportDescr");
+export var assertModuleExport = assertTypeOf("ModuleExport");
+export var assertLimit = assertTypeOf("Limit");
+export var assertSignature = assertTypeOf("Signature");
+export var assertProgram = assertTypeOf("Program");
+export var assertIdentifier = assertTypeOf("Identifier");
+export var assertBlockInstruction = assertTypeOf("BlockInstruction");
+export var assertCallInstruction = assertTypeOf("CallInstruction");
+export var assertCallIndirectInstruction = assertTypeOf("CallIndirectInstruction");
+export var assertByteArray = assertTypeOf("ByteArray");
+export var assertFunc = assertTypeOf("Func");
+export var assertInternalBrUnless = assertTypeOf("InternalBrUnless");
+export var assertInternalGoto = assertTypeOf("InternalGoto");
+export var assertInternalCallExtern = assertTypeOf("InternalCallExtern");
+export var assertInternalEndAndReturn = assertTypeOf("InternalEndAndReturn");
+export var unionTypesMap = {
+  Module: ["Node"],
+  ModuleMetadata: ["Node"],
+  ModuleNameMetadata: ["Node"],
+  FunctionNameMetadata: ["Node"],
+  LocalNameMetadata: ["Node"],
+  BinaryModule: ["Node"],
+  QuoteModule: ["Node"],
+  SectionMetadata: ["Node"],
+  ProducersSectionMetadata: ["Node"],
+  ProducerMetadata: ["Node"],
+  ProducerMetadataVersionedName: ["Node"],
+  LoopInstruction: ["Node", "Block", "Instruction"],
+  Instr: ["Node", "Expression", "Instruction"],
+  IfInstruction: ["Node", "Instruction"],
+  StringLiteral: ["Node", "Expression"],
+  NumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  LongNumberLiteral: ["Node", "NumericLiteral", "Expression"],
+  FloatLiteral: ["Node", "NumericLiteral", "Expression"],
+  Elem: ["Node"],
+  IndexInFuncSection: ["Node"],
+  ValtypeLiteral: ["Node", "Expression"],
+  TypeInstruction: ["Node", "Instruction"],
+  Start: ["Node"],
+  GlobalType: ["Node", "ImportDescr"],
+  LeadingComment: ["Node"],
+  BlockComment: ["Node"],
+  Data: ["Node"],
+  Global: ["Node"],
+  Table: ["Node", "ImportDescr"],
+  Memory: ["Node", "ImportDescr"],
+  FuncImportDescr: ["Node", "ImportDescr"],
+  ModuleImport: ["Node"],
+  ModuleExportDescr: ["Node"],
+  ModuleExport: ["Node"],
+  Limit: ["Node"],
+  Signature: ["Node"],
+  Program: ["Node"],
+  Identifier: ["Node", "Expression"],
+  BlockInstruction: ["Node", "Block", "Instruction"],
+  CallInstruction: ["Node", "Instruction"],
+  CallIndirectInstruction: ["Node", "Instruction"],
+  ByteArray: ["Node"],
+  Func: ["Node", "Block"],
+  InternalBrUnless: ["Node", "Intrinsic"],
+  InternalGoto: ["Node", "Intrinsic"],
+  InternalCallExtern: ["Node", "Intrinsic"],
+  InternalEndAndReturn: ["Node", "Intrinsic"]
+};
+export var nodeAndUnionTypes = ["Module", "ModuleMetadata", "ModuleNameMetadata", "FunctionNameMetadata", "LocalNameMetadata", "BinaryModule", "QuoteModule", "SectionMetadata", "ProducersSectionMetadata", "ProducerMetadata", "ProducerMetadataVersionedName", "LoopInstruction", "Instr", "IfInstruction", "StringLiteral", "NumberLiteral", "LongNumberLiteral", "FloatLiteral", "Elem", "IndexInFuncSection", "ValtypeLiteral", "TypeInstruction", "Start", "GlobalType", "LeadingComment", "BlockComment", "Data", "Global", "Table", "Memory", "FuncImportDescr", "ModuleImport", "ModuleExportDescr", "ModuleExport", "Limit", "Signature", "Program", "Identifier", "BlockInstruction", "CallInstruction", "CallIndirectInstruction", "ByteArray", "Func", "InternalBrUnless", "InternalGoto", "InternalCallExtern", "InternalEndAndReturn", "Node", "Block", "Instruction", "Expression", "NumericLiteral", "ImportDescr", "Intrinsic"];
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/signatures.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/signatures.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/signatures.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,199 @@
+function sign(input, output) {
+  return [input, output];
+}
+
+var u32 = "u32";
+var i32 = "i32";
+var i64 = "i64";
+var f32 = "f32";
+var f64 = "f64";
+
+var vector = function vector(t) {
+  var vecType = [t]; // $FlowIgnore
+
+  vecType.vector = true;
+  return vecType;
+};
+
+var controlInstructions = {
+  unreachable: sign([], []),
+  nop: sign([], []),
+  // block ?
+  // loop ?
+  // if ?
+  // if else ?
+  br: sign([u32], []),
+  br_if: sign([u32], []),
+  br_table: sign(vector(u32), []),
+  "return": sign([], []),
+  call: sign([u32], []),
+  call_indirect: sign([u32], [])
+};
+var parametricInstructions = {
+  drop: sign([], []),
+  select: sign([], [])
+};
+var variableInstructions = {
+  get_local: sign([u32], []),
+  set_local: sign([u32], []),
+  tee_local: sign([u32], []),
+  get_global: sign([u32], []),
+  set_global: sign([u32], [])
+};
+var memoryInstructions = {
+  "i32.load": sign([u32, u32], [i32]),
+  "i64.load": sign([u32, u32], []),
+  "f32.load": sign([u32, u32], []),
+  "f64.load": sign([u32, u32], []),
+  "i32.load8_s": sign([u32, u32], [i32]),
+  "i32.load8_u": sign([u32, u32], [i32]),
+  "i32.load16_s": sign([u32, u32], [i32]),
+  "i32.load16_u": sign([u32, u32], [i32]),
+  "i64.load8_s": sign([u32, u32], [i64]),
+  "i64.load8_u": sign([u32, u32], [i64]),
+  "i64.load16_s": sign([u32, u32], [i64]),
+  "i64.load16_u": sign([u32, u32], [i64]),
+  "i64.load32_s": sign([u32, u32], [i64]),
+  "i64.load32_u": sign([u32, u32], [i64]),
+  "i32.store": sign([u32, u32], []),
+  "i64.store": sign([u32, u32], []),
+  "f32.store": sign([u32, u32], []),
+  "f64.store": sign([u32, u32], []),
+  "i32.store8": sign([u32, u32], []),
+  "i32.store16": sign([u32, u32], []),
+  "i64.store8": sign([u32, u32], []),
+  "i64.store16": sign([u32, u32], []),
+  "i64.store32": sign([u32, u32], []),
+  current_memory: sign([], []),
+  grow_memory: sign([], [])
+};
+var numericInstructions = {
+  "i32.const": sign([i32], [i32]),
+  "i64.const": sign([i64], [i64]),
+  "f32.const": sign([f32], [f32]),
+  "f64.const": sign([f64], [f64]),
+  "i32.eqz": sign([i32], [i32]),
+  "i32.eq": sign([i32, i32], [i32]),
+  "i32.ne": sign([i32, i32], [i32]),
+  "i32.lt_s": sign([i32, i32], [i32]),
+  "i32.lt_u": sign([i32, i32], [i32]),
+  "i32.gt_s": sign([i32, i32], [i32]),
+  "i32.gt_u": sign([i32, i32], [i32]),
+  "i32.le_s": sign([i32, i32], [i32]),
+  "i32.le_u": sign([i32, i32], [i32]),
+  "i32.ge_s": sign([i32, i32], [i32]),
+  "i32.ge_u": sign([i32, i32], [i32]),
+  "i64.eqz": sign([i64], [i64]),
+  "i64.eq": sign([i64, i64], [i32]),
+  "i64.ne": sign([i64, i64], [i32]),
+  "i64.lt_s": sign([i64, i64], [i32]),
+  "i64.lt_u": sign([i64, i64], [i32]),
+  "i64.gt_s": sign([i64, i64], [i32]),
+  "i64.gt_u": sign([i64, i64], [i32]),
+  "i64.le_s": sign([i64, i64], [i32]),
+  "i64.le_u": sign([i64, i64], [i32]),
+  "i64.ge_s": sign([i64, i64], [i32]),
+  "i64.ge_u": sign([i64, i64], [i32]),
+  "f32.eq": sign([f32, f32], [i32]),
+  "f32.ne": sign([f32, f32], [i32]),
+  "f32.lt": sign([f32, f32], [i32]),
+  "f32.gt": sign([f32, f32], [i32]),
+  "f32.le": sign([f32, f32], [i32]),
+  "f32.ge": sign([f32, f32], [i32]),
+  "f64.eq": sign([f64, f64], [i32]),
+  "f64.ne": sign([f64, f64], [i32]),
+  "f64.lt": sign([f64, f64], [i32]),
+  "f64.gt": sign([f64, f64], [i32]),
+  "f64.le": sign([f64, f64], [i32]),
+  "f64.ge": sign([f64, f64], [i32]),
+  "i32.clz": sign([i32], [i32]),
+  "i32.ctz": sign([i32], [i32]),
+  "i32.popcnt": sign([i32], [i32]),
+  "i32.add": sign([i32, i32], [i32]),
+  "i32.sub": sign([i32, i32], [i32]),
+  "i32.mul": sign([i32, i32], [i32]),
+  "i32.div_s": sign([i32, i32], [i32]),
+  "i32.div_u": sign([i32, i32], [i32]),
+  "i32.rem_s": sign([i32, i32], [i32]),
+  "i32.rem_u": sign([i32, i32], [i32]),
+  "i32.and": sign([i32, i32], [i32]),
+  "i32.or": sign([i32, i32], [i32]),
+  "i32.xor": sign([i32, i32], [i32]),
+  "i32.shl": sign([i32, i32], [i32]),
+  "i32.shr_s": sign([i32, i32], [i32]),
+  "i32.shr_u": sign([i32, i32], [i32]),
+  "i32.rotl": sign([i32, i32], [i32]),
+  "i32.rotr": sign([i32, i32], [i32]),
+  "i64.clz": sign([i64], [i64]),
+  "i64.ctz": sign([i64], [i64]),
+  "i64.popcnt": sign([i64], [i64]),
+  "i64.add": sign([i64, i64], [i64]),
+  "i64.sub": sign([i64, i64], [i64]),
+  "i64.mul": sign([i64, i64], [i64]),
+  "i64.div_s": sign([i64, i64], [i64]),
+  "i64.div_u": sign([i64, i64], [i64]),
+  "i64.rem_s": sign([i64, i64], [i64]),
+  "i64.rem_u": sign([i64, i64], [i64]),
+  "i64.and": sign([i64, i64], [i64]),
+  "i64.or": sign([i64, i64], [i64]),
+  "i64.xor": sign([i64, i64], [i64]),
+  "i64.shl": sign([i64, i64], [i64]),
+  "i64.shr_s": sign([i64, i64], [i64]),
+  "i64.shr_u": sign([i64, i64], [i64]),
+  "i64.rotl": sign([i64, i64], [i64]),
+  "i64.rotr": sign([i64, i64], [i64]),
+  "f32.abs": sign([f32], [f32]),
+  "f32.neg": sign([f32], [f32]),
+  "f32.ceil": sign([f32], [f32]),
+  "f32.floor": sign([f32], [f32]),
+  "f32.trunc": sign([f32], [f32]),
+  "f32.nearest": sign([f32], [f32]),
+  "f32.sqrt": sign([f32], [f32]),
+  "f32.add": sign([f32, f32], [f32]),
+  "f32.sub": sign([f32, f32], [f32]),
+  "f32.mul": sign([f32, f32], [f32]),
+  "f32.div": sign([f32, f32], [f32]),
+  "f32.min": sign([f32, f32], [f32]),
+  "f32.max": sign([f32, f32], [f32]),
+  "f32.copysign": sign([f32, f32], [f32]),
+  "f64.abs": sign([f64], [f64]),
+  "f64.neg": sign([f64], [f64]),
+  "f64.ceil": sign([f64], [f64]),
+  "f64.floor": sign([f64], [f64]),
+  "f64.trunc": sign([f64], [f64]),
+  "f64.nearest": sign([f64], [f64]),
+  "f64.sqrt": sign([f64], [f64]),
+  "f64.add": sign([f64, f64], [f64]),
+  "f64.sub": sign([f64, f64], [f64]),
+  "f64.mul": sign([f64, f64], [f64]),
+  "f64.div": sign([f64, f64], [f64]),
+  "f64.min": sign([f64, f64], [f64]),
+  "f64.max": sign([f64, f64], [f64]),
+  "f64.copysign": sign([f64, f64], [f64]),
+  "i32.wrap/i64": sign([i64], [i32]),
+  "i32.trunc_s/f32": sign([f32], [i32]),
+  "i32.trunc_u/f32": sign([f32], [i32]),
+  "i32.trunc_s/f64": sign([f32], [i32]),
+  "i32.trunc_u/f64": sign([f64], [i32]),
+  "i64.extend_s/i32": sign([i32], [i64]),
+  "i64.extend_u/i32": sign([i32], [i64]),
+  "i64.trunc_s/f32": sign([f32], [i64]),
+  "i64.trunc_u/f32": sign([f32], [i64]),
+  "i64.trunc_s/f64": sign([f64], [i64]),
+  "i64.trunc_u/f64": sign([f64], [i64]),
+  "f32.convert_s/i32": sign([i32], [f32]),
+  "f32.convert_u/i32": sign([i32], [f32]),
+  "f32.convert_s/i64": sign([i64], [f32]),
+  "f32.convert_u/i64": sign([i64], [f32]),
+  "f32.demote/f64": sign([f64], [f32]),
+  "f64.convert_s/i32": sign([i32], [f64]),
+  "f64.convert_u/i32": sign([i32], [f64]),
+  "f64.convert_s/i64": sign([i64], [f64]),
+  "f64.convert_u/i64": sign([i64], [f64]),
+  "f64.promote/f32": sign([f32], [f64]),
+  "i32.reinterpret/f32": sign([f32], [i32]),
+  "i64.reinterpret/f64": sign([f64], [i64]),
+  "f32.reinterpret/i32": sign([i32], [f32]),
+  "f64.reinterpret/i64": sign([i64], [f64])
+};
+export var signatures = Object.assign({}, controlInstructions, parametricInstructions, variableInstructions, memoryInstructions, numericInstructions);
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/ast-module-to-module-context/index.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/ast-module-to-module-context/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/ast-module-to-module-context/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,377 @@
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+import { isSignature, isNumberLiteral } from "../../nodes.js";
+export function moduleContextFromModuleAST(m) {
+  var moduleContext = new ModuleContext();
+
+  if (!(m.type === "Module")) {
+    throw new Error('m.type === "Module"' + " error: " + (undefined || "unknown"));
+  }
+
+  m.fields.forEach(function (field) {
+    switch (field.type) {
+      case "Start":
+        {
+          moduleContext.setStart(field.index);
+          break;
+        }
+
+      case "TypeInstruction":
+        {
+          moduleContext.addType(field);
+          break;
+        }
+
+      case "Func":
+        {
+          moduleContext.addFunction(field);
+          break;
+        }
+
+      case "Global":
+        {
+          moduleContext.defineGlobal(field);
+          break;
+        }
+
+      case "ModuleImport":
+        {
+          switch (field.descr.type) {
+            case "GlobalType":
+              {
+                moduleContext.importGlobal(field.descr.valtype, field.descr.mutability);
+                break;
+              }
+
+            case "Memory":
+              {
+                moduleContext.addMemory(field.descr.limits.min, field.descr.limits.max);
+                break;
+              }
+
+            case "FuncImportDescr":
+              {
+                moduleContext.importFunction(field.descr);
+                break;
+              }
+
+            case "Table":
+              {
+                // FIXME(sven): not implemented yet
+                break;
+              }
+
+            default:
+              throw new Error("Unsupported ModuleImport of type " + JSON.stringify(field.descr.type));
+          }
+
+          break;
+        }
+
+      case "Memory":
+        {
+          moduleContext.addMemory(field.limits.min, field.limits.max);
+          break;
+        }
+    }
+  });
+  return moduleContext;
+}
+/**
+ * Module context for type checking
+ */
+
+export var ModuleContext = /*#__PURE__*/function () {
+  function ModuleContext() {
+    _classCallCheck(this, ModuleContext);
+
+    this.funcs = [];
+    this.funcsOffsetByIdentifier = [];
+    this.types = [];
+    this.globals = [];
+    this.globalsOffsetByIdentifier = [];
+    this.mems = []; // Current stack frame
+
+    this.locals = [];
+    this.labels = [];
+    this["return"] = [];
+    this.debugName = "unknown";
+    this.start = null;
+  }
+  /**
+   * Set start segment
+   */
+
+
+  _createClass(ModuleContext, [{
+    key: "setStart",
+    value: function setStart(index) {
+      this.start = index.value;
+    }
+    /**
+     * Get start function
+     */
+
+  }, {
+    key: "getStart",
+    value: function getStart() {
+      return this.start;
+    }
+    /**
+     * Reset the active stack frame
+     */
+
+  }, {
+    key: "newContext",
+    value: function newContext(debugName, expectedResult) {
+      this.locals = [];
+      this.labels = [expectedResult];
+      this["return"] = expectedResult;
+      this.debugName = debugName;
+    }
+    /**
+     * Functions
+     */
+
+  }, {
+    key: "addFunction",
+    value: function addFunction(func) {
+      /* eslint-disable */
+      // $FlowIgnore
+      var _ref = func.signature || {},
+          _ref$params = _ref.params,
+          args = _ref$params === void 0 ? [] : _ref$params,
+          _ref$results = _ref.results,
+          result = _ref$results === void 0 ? [] : _ref$results;
+      /* eslint-enable */
+
+
+      args = args.map(function (arg) {
+        return arg.valtype;
+      });
+      this.funcs.push({
+        args: args,
+        result: result
+      });
+
+      if (typeof func.name !== "undefined") {
+        // $FlowIgnore
+        this.funcsOffsetByIdentifier[func.name.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "importFunction",
+    value: function importFunction(funcimport) {
+      if (isSignature(funcimport.signature)) {
+        // eslint-disable-next-line prefer-const
+        var _funcimport$signature = funcimport.signature,
+            args = _funcimport$signature.params,
+            result = _funcimport$signature.results;
+        args = args.map(function (arg) {
+          return arg.valtype;
+        });
+        this.funcs.push({
+          args: args,
+          result: result
+        });
+      } else {
+        if (!isNumberLiteral(funcimport.signature)) {
+          throw new Error('isNumberLiteral(funcimport.signature)' + " error: " + (undefined || "unknown"));
+        }
+
+        var typeId = funcimport.signature.value;
+
+        if (!this.hasType(typeId)) {
+          throw new Error('this.hasType(typeId)' + " error: " + (undefined || "unknown"));
+        }
+
+        var signature = this.getType(typeId);
+        this.funcs.push({
+          args: signature.params.map(function (arg) {
+            return arg.valtype;
+          }),
+          result: signature.results
+        });
+      }
+
+      if (typeof funcimport.id !== "undefined") {
+        // imports are first, we can assume their index in the array
+        this.funcsOffsetByIdentifier[funcimport.id.value] = this.funcs.length - 1;
+      }
+    }
+  }, {
+    key: "hasFunction",
+    value: function hasFunction(index) {
+      return typeof this.getFunction(index) !== "undefined";
+    }
+  }, {
+    key: "getFunction",
+    value: function getFunction(index) {
+      if (typeof index !== "number") {
+        throw new Error("getFunction only supported for number index");
+      }
+
+      return this.funcs[index];
+    }
+  }, {
+    key: "getFunctionOffsetByIdentifier",
+    value: function getFunctionOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      return this.funcsOffsetByIdentifier[name];
+    }
+    /**
+     * Labels
+     */
+
+  }, {
+    key: "addLabel",
+    value: function addLabel(result) {
+      this.labels.unshift(result);
+    }
+  }, {
+    key: "hasLabel",
+    value: function hasLabel(index) {
+      return this.labels.length > index && index >= 0;
+    }
+  }, {
+    key: "getLabel",
+    value: function getLabel(index) {
+      return this.labels[index];
+    }
+  }, {
+    key: "popLabel",
+    value: function popLabel() {
+      this.labels.shift();
+    }
+    /**
+     * Locals
+     */
+
+  }, {
+    key: "hasLocal",
+    value: function hasLocal(index) {
+      return typeof this.getLocal(index) !== "undefined";
+    }
+  }, {
+    key: "getLocal",
+    value: function getLocal(index) {
+      return this.locals[index];
+    }
+  }, {
+    key: "addLocal",
+    value: function addLocal(type) {
+      this.locals.push(type);
+    }
+    /**
+     * Types
+     */
+
+  }, {
+    key: "addType",
+    value: function addType(type) {
+      if (!(type.functype.type === "Signature")) {
+        throw new Error('type.functype.type === "Signature"' + " error: " + (undefined || "unknown"));
+      }
+
+      this.types.push(type.functype);
+    }
+  }, {
+    key: "hasType",
+    value: function hasType(index) {
+      return this.types[index] !== undefined;
+    }
+  }, {
+    key: "getType",
+    value: function getType(index) {
+      return this.types[index];
+    }
+    /**
+     * Globals
+     */
+
+  }, {
+    key: "hasGlobal",
+    value: function hasGlobal(index) {
+      return this.globals.length > index && index >= 0;
+    }
+  }, {
+    key: "getGlobal",
+    value: function getGlobal(index) {
+      return this.globals[index].type;
+    }
+  }, {
+    key: "getGlobalOffsetByIdentifier",
+    value: function getGlobalOffsetByIdentifier(name) {
+      if (!(typeof name === "string")) {
+        throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown"));
+      }
+
+      // $FlowIgnore
+      return this.globalsOffsetByIdentifier[name];
+    }
+  }, {
+    key: "defineGlobal",
+    value: function defineGlobal(global) {
+      var type = global.globalType.valtype;
+      var mutability = global.globalType.mutability;
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+
+      if (typeof global.name !== "undefined") {
+        // $FlowIgnore
+        this.globalsOffsetByIdentifier[global.name.value] = this.globals.length - 1;
+      }
+    }
+  }, {
+    key: "importGlobal",
+    value: function importGlobal(type, mutability) {
+      this.globals.push({
+        type: type,
+        mutability: mutability
+      });
+    }
+  }, {
+    key: "isMutableGlobal",
+    value: function isMutableGlobal(index) {
+      return this.globals[index].mutability === "var";
+    }
+  }, {
+    key: "isImmutableGlobal",
+    value: function isImmutableGlobal(index) {
+      return this.globals[index].mutability === "const";
+    }
+    /**
+     * Memories
+     */
+
+  }, {
+    key: "hasMemory",
+    value: function hasMemory(index) {
+      return this.mems.length > index && index >= 0;
+    }
+  }, {
+    key: "addMemory",
+    value: function addMemory(min, max) {
+      this.mems.push({
+        min: min,
+        max: max
+      });
+    }
+  }, {
+    key: "getMemory",
+    value: function getMemory(index) {
+      return this.mems[index];
+    }
+  }]);
+
+  return ModuleContext;
+}();
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/denormalize-type-references/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,76 @@
+var t = require("../../index"); // func and call_indirect instructions can either define a signature inline, or
+// reference a signature, e.g.
+//
+// ;; inline signature
+// (func (result i64)
+//   (i64.const 2)
+// )
+// ;; signature reference
+// (type (func (result i64)))
+// (func (type 0)
+//   (i64.const 2))
+// )
+//
+// this AST transform denormalises the type references, making all signatures within the module
+// inline.
+
+
+export function transform(ast) {
+  var typeInstructions = [];
+  t.traverse(ast, {
+    TypeInstruction: function TypeInstruction(_ref) {
+      var node = _ref.node;
+      typeInstructions.push(node);
+    }
+  });
+
+  if (!typeInstructions.length) {
+    return;
+  }
+
+  function denormalizeSignature(signature) {
+    // signature referenced by identifier
+    if (signature.type === "Identifier") {
+      var identifier = signature;
+      var typeInstruction = typeInstructions.find(function (t) {
+        return t.id.type === identifier.type && t.id.value === identifier.value;
+      });
+
+      if (!typeInstruction) {
+        throw new Error("A type instruction reference was not found ".concat(JSON.stringify(signature)));
+      }
+
+      return typeInstruction.functype;
+    } // signature referenced by index
+
+
+    if (signature.type === "NumberLiteral") {
+      var signatureRef = signature;
+      var _typeInstruction = typeInstructions[signatureRef.value];
+      return _typeInstruction.functype;
+    }
+
+    return signature;
+  }
+
+  t.traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (_ref2) {
+      var node = _ref2.node;
+      node.signature = denormalizeSignature(node.signature);
+    }),
+    CallIndirectInstruction: function CallIndirectInstruction(_ref3) {
+      var node = _ref3.node;
+      node.signature = denormalizeSignature(node.signature);
+    }
+  });
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,229 @@
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+import { isBlock, isFunc, isIdentifier, numberLiteralFromRaw, traverse } from "../../index";
+import { moduleContextFromModuleAST } from "../ast-module-to-module-context"; // FIXME(sven): do the same with all block instructions, must be more generic here
+
+function newUnexpectedFunction(i) {
+  return new Error("unknown function at offset: " + i);
+}
+
+export function transform(ast) {
+  var module = null;
+  traverse(ast, {
+    Module: function (_Module) {
+      function Module(_x) {
+        return _Module.apply(this, arguments);
+      }
+
+      Module.toString = function () {
+        return _Module.toString();
+      };
+
+      return Module;
+    }(function (path) {
+      module = path.node;
+    })
+  });
+
+  if (module == null) {
+    throw new Error("Module not foudn in program");
+  }
+
+  var moduleContext = moduleContextFromModuleAST(module); // Transform the actual instruction in function bodies
+
+  traverse(ast, {
+    Func: function (_Func) {
+      function Func(_x2) {
+        return _Func.apply(this, arguments);
+      }
+
+      Func.toString = function () {
+        return _Func.toString();
+      };
+
+      return Func;
+    }(function (path) {
+      transformFuncPath(path, moduleContext);
+    }),
+    Start: function (_Start) {
+      function Start(_x3) {
+        return _Start.apply(this, arguments);
+      }
+
+      Start.toString = function () {
+        return _Start.toString();
+      };
+
+      return Start;
+    }(function (path) {
+      var index = path.node.index;
+
+      if (isIdentifier(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        path.node.index = numberLiteralFromRaw(offsetInModule);
+      }
+    })
+  });
+}
+
+function transformFuncPath(funcPath, moduleContext) {
+  var funcNode = funcPath.node;
+  var signature = funcNode.signature;
+
+  if (signature.type !== "Signature") {
+    throw new Error("Function signatures must be denormalised before execution");
+  }
+
+  var params = signature.params; // Add func locals in the context
+
+  params.forEach(function (p) {
+    return moduleContext.addLocal(p.valtype);
+  });
+  traverse(funcNode, {
+    Instr: function (_Instr) {
+      function Instr(_x4) {
+        return _Instr.apply(this, arguments);
+      }
+
+      Instr.toString = function () {
+        return _Instr.toString();
+      };
+
+      return Instr;
+    }(function (instrPath) {
+      var instrNode = instrPath.node;
+      /**
+       * Local access
+       */
+
+      if (instrNode.id === "get_local" || instrNode.id === "set_local" || instrNode.id === "tee_local") {
+        var _instrNode$args = _slicedToArray(instrNode.args, 1),
+            firstArg = _instrNode$args[0];
+
+        if (firstArg.type === "Identifier") {
+          var offsetInParams = params.findIndex(function (_ref) {
+            var id = _ref.id;
+            return id === firstArg.value;
+          });
+
+          if (offsetInParams === -1) {
+            throw new Error("".concat(firstArg.value, " not found in ").concat(instrNode.id, ": not declared in func params"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = numberLiteralFromRaw(offsetInParams);
+        }
+      }
+      /**
+       * Global access
+       */
+
+
+      if (instrNode.id === "get_global" || instrNode.id === "set_global") {
+        var _instrNode$args2 = _slicedToArray(instrNode.args, 1),
+            _firstArg = _instrNode$args2[0];
+
+        if (isIdentifier(_firstArg) === true) {
+          var globalOffset = moduleContext.getGlobalOffsetByIdentifier( // $FlowIgnore: reference?
+          _firstArg.value);
+
+          if (typeof globalOffset === "undefined") {
+            // $FlowIgnore: reference?
+            throw new Error("global ".concat(_firstArg.value, " not found in module"));
+          } // Replace the Identifer node by our new NumberLiteral node
+
+
+          instrNode.args[0] = numberLiteralFromRaw(globalOffset);
+        }
+      }
+      /**
+       * Labels lookup
+       */
+
+
+      if (instrNode.id === "br") {
+        var _instrNode$args3 = _slicedToArray(instrNode.args, 1),
+            _firstArg2 = _instrNode$args3[0];
+
+        if (isIdentifier(_firstArg2) === true) {
+          // if the labels is not found it is going to be replaced with -1
+          // which is invalid.
+          var relativeBlockCount = -1; // $FlowIgnore: reference?
+
+          instrPath.findParent(function (_ref2) {
+            var node = _ref2.node;
+
+            if (isBlock(node)) {
+              relativeBlockCount++; // $FlowIgnore: reference?
+
+              var name = node.label || node.name;
+
+              if (_typeof(name) === "object") {
+                // $FlowIgnore: isIdentifier ensures that
+                if (name.value === _firstArg2.value) {
+                  // Found it
+                  return false;
+                }
+              }
+            }
+
+            if (isFunc(node)) {
+              return false;
+            }
+          }); // Replace the Identifer node by our new NumberLiteral node
+
+          instrNode.args[0] = numberLiteralFromRaw(relativeBlockCount);
+        }
+      }
+    }),
+
+    /**
+     * Func lookup
+     */
+    CallInstruction: function (_CallInstruction) {
+      function CallInstruction(_x5) {
+        return _CallInstruction.apply(this, arguments);
+      }
+
+      CallInstruction.toString = function () {
+        return _CallInstruction.toString();
+      };
+
+      return CallInstruction;
+    }(function (_ref3) {
+      var node = _ref3.node;
+      var index = node.index;
+
+      if (isIdentifier(index) === true) {
+        var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value);
+
+        if (typeof offsetInModule === "undefined") {
+          throw newUnexpectedFunction(index.value);
+        } // Replace the index Identifier
+        // $FlowIgnore: reference?
+
+
+        node.index = numberLiteralFromRaw(offsetInModule);
+      }
+    })
+  });
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/traverse.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/traverse.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/traverse.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,96 @@
+import { createPath } from "./node-path";
+import { unionTypesMap, nodeAndUnionTypes } from "./nodes"; // recursively walks the AST starting at the given node. The callback is invoked for
+// and object that has a 'type' property.
+
+function walk(context, callback) {
+  var stop = false;
+
+  function innerWalk(context, callback) {
+    if (stop) {
+      return;
+    }
+
+    var node = context.node;
+
+    if (node === undefined) {
+      console.warn("traversing with an empty context");
+      return;
+    }
+
+    if (node._deleted === true) {
+      return;
+    }
+
+    var path = createPath(context);
+    callback(node.type, path);
+
+    if (path.shouldStop) {
+      stop = true;
+      return;
+    }
+
+    Object.keys(node).forEach(function (prop) {
+      var value = node[prop];
+
+      if (value === null || value === undefined) {
+        return;
+      }
+
+      var valueAsArray = Array.isArray(value) ? value : [value];
+      valueAsArray.forEach(function (childNode) {
+        if (typeof childNode.type === "string") {
+          var childContext = {
+            node: childNode,
+            parentKey: prop,
+            parentPath: path,
+            shouldStop: false,
+            inList: Array.isArray(value)
+          };
+          innerWalk(childContext, callback);
+        }
+      });
+    });
+  }
+
+  innerWalk(context, callback);
+}
+
+var noop = function noop() {};
+
+export function traverse(node, visitors) {
+  var before = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop;
+  var after = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : noop;
+  Object.keys(visitors).forEach(function (visitor) {
+    if (!nodeAndUnionTypes.includes(visitor)) {
+      throw new Error("Unexpected visitor ".concat(visitor));
+    }
+  });
+  var context = {
+    node: node,
+    inList: false,
+    shouldStop: false,
+    parentPath: null,
+    parentKey: null
+  };
+  walk(context, function (type, path) {
+    if (typeof visitors[type] === "function") {
+      before(type, path);
+      visitors[type](path);
+      after(type, path);
+    }
+
+    var unionTypes = unionTypesMap[type];
+
+    if (!unionTypes) {
+      throw new Error("Unexpected node type ".concat(type));
+    }
+
+    unionTypes.forEach(function (unionType) {
+      if (typeof visitors[unionType] === "function") {
+        before(unionType, path);
+        visitors[unionType](path);
+        after(unionType, path);
+      }
+    });
+  });
+}
Index: imaps-frontend/node_modules/@webassemblyjs/ast/esm/utils.js
===================================================================
--- imaps-frontend/node_modules/@webassemblyjs/ast/esm/utils.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/@webassemblyjs/ast/esm/utils.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,272 @@
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+import { signatures } from "./signatures";
+import { traverse } from "./traverse";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode";
+export function isAnonymous(ident) {
+  return ident.raw === "";
+}
+export function getSectionMetadata(ast, name) {
+  var section;
+  traverse(ast, {
+    SectionMetadata: function (_SectionMetadata) {
+      function SectionMetadata(_x) {
+        return _SectionMetadata.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref) {
+      var node = _ref.node;
+
+      if (node.section === name) {
+        section = node;
+      }
+    })
+  });
+  return section;
+}
+export function getSectionMetadatas(ast, name) {
+  var sections = [];
+  traverse(ast, {
+    SectionMetadata: function (_SectionMetadata2) {
+      function SectionMetadata(_x2) {
+        return _SectionMetadata2.apply(this, arguments);
+      }
+
+      SectionMetadata.toString = function () {
+        return _SectionMetadata2.toString();
+      };
+
+      return SectionMetadata;
+    }(function (_ref2) {
+      var node = _ref2.node;
+
+      if (node.section === name) {
+        sections.push(node);
+      }
+    })
+  });
+  return sections;
+}
+export function sortSectionMetadata(m) {
+  if (m.metadata == null) {
+    console.warn("sortSectionMetadata: no metadata to sort");
+    return;
+  } // $FlowIgnore
+
+
+  m.metadata.sections.sort(function (a, b) {
+    var aId = constants.sections[a.section];
+    var bId = constants.sections[b.section];
+
+    if (typeof aId !== "number" || typeof bId !== "number") {
+      throw new Error("Section id not found");
+    }
+
+    return aId - bId;
+  });
+}
+export function orderedInsertNode(m, n) {
+  assertHasLoc(n);
+  var didInsert = false;
+
+  if (n.type === "ModuleExport") {
+    m.fields.push(n);
+    return;
+  }
+
+  m.fields = m.fields.reduce(function (acc, field) {
+    var fieldEndCol = Infinity;
+
+    if (field.loc != null) {
+      // $FlowIgnore
+      fieldEndCol = field.loc.end.column;
+    } // $FlowIgnore: assertHasLoc ensures that
+
+
+    if (didInsert === false && n.loc.start.column < fieldEndCol) {
+      didInsert = true;
+      acc.push(n);
+    }
+
+    acc.push(field);
+    return acc;
+  }, []); // Handles empty modules or n is the last element
+
+  if (didInsert === false) {
+    m.fields.push(n);
+  }
+}
+export function assertHasLoc(n) {
+  if (n.loc == null || n.loc.start == null || n.loc.end == null) {
+    throw new Error("Internal failure: node (".concat(JSON.stringify(n.type), ") has no location information"));
+  }
+}
+export function getEndOfSection(s) {
+  assertHasLoc(s.size);
+  return s.startOffset + s.size.value + (s.size.loc.end.column - s.size.loc.start.column);
+}
+export function shiftLoc(node, delta) {
+  // $FlowIgnore
+  node.loc.start.column += delta; // $FlowIgnore
+
+  node.loc.end.column += delta;
+}
+export function shiftSection(ast, node, delta) {
+  if (node.type !== "SectionMetadata") {
+    throw new Error("Can not shift node " + JSON.stringify(node.type));
+  }
+
+  node.startOffset += delta;
+
+  if (_typeof(node.size.loc) === "object") {
+    shiftLoc(node.size, delta);
+  } // Custom sections doesn't have vectorOfSize
+
+
+  if (_typeof(node.vectorOfSize) === "object" && _typeof(node.vectorOfSize.loc) === "object") {
+    shiftLoc(node.vectorOfSize, delta);
+  }
+
+  var sectionName = node.section; // shift node locations within that section
+
+  traverse(ast, {
+    Node: function Node(_ref3) {
+      var node = _ref3.node;
+      var section = getSectionForNode(node);
+
+      if (section === sectionName && _typeof(node.loc) === "object") {
+        shiftLoc(node, delta);
+      }
+    }
+  });
+}
+export function signatureForOpcode(object, name) {
+  var opcodeName = name;
+
+  if (object !== undefined && object !== "") {
+    opcodeName = object + "." + name;
+  }
+
+  var sign = signatures[opcodeName];
+
+  if (sign == undefined) {
+    // TODO: Uncomment this when br_table and others has been done
+    //throw new Error("Invalid opcode: "+opcodeName);
+    return [object, object];
+  }
+
+  return sign[0];
+}
+export function getUniqueNameGenerator() {
+  var inc = {};
+  return function () {
+    var prefix = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp";
+
+    if (!(prefix in inc)) {
+      inc[prefix] = 0;
+    } else {
+      inc[prefix] = inc[prefix] + 1;
+    }
+
+    return prefix + "_" + inc[prefix];
+  };
+}
+export function getStartByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.start === "undefined") {
+    throw new Error( // $FlowIgnore
+    "Can not get byte offset without loc informations, node: " + String(n.id));
+  }
+
+  return n.loc.start.column;
+}
+export function getEndByteOffset(n) {
+  // $FlowIgnore
+  if (typeof n.loc === "undefined" || typeof n.loc.end === "undefined") {
+    throw new Error("Can not get byte offset without loc informations, node: " + n.type);
+  }
+
+  return n.loc.end.column;
+}
+export function getFunctionBeginingByteOffset(n) {
+  if (!(n.body.length > 0)) {
+    throw new Error('n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var _n$body = _slicedToArray(n.body, 1),
+      firstInstruction = _n$body[0];
+
+  return getStartByteOffset(firstInstruction);
+}
+export function getEndBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var lastInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    lastInstruction = n.instr[n.instr.length - 1];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    lastInstruction = n.body[n.body.length - 1];
+  }
+
+  if (!(_typeof(lastInstruction) === "object")) {
+    throw new Error('typeof lastInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(lastInstruction);
+}
+export function getStartBlockByteOffset(n) {
+  // $FlowIgnore
+  if (!(n.instr.length > 0 || n.body.length > 0)) {
+    throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown"));
+  }
+
+  var fistInstruction;
+
+  if (n.instr) {
+    // $FlowIgnore
+    var _n$instr = _slicedToArray(n.instr, 1);
+
+    fistInstruction = _n$instr[0];
+  }
+
+  if (n.body) {
+    // $FlowIgnore
+    var _n$body2 = _slicedToArray(n.body, 1);
+
+    fistInstruction = _n$body2[0];
+  }
+
+  if (!(_typeof(fistInstruction) === "object")) {
+    throw new Error('typeof fistInstruction === "object"' + " error: " + (undefined || "unknown"));
+  }
+
+  // $FlowIgnore
+  return getStartByteOffset(fistInstruction);
+}
