wasmparser - npm Package Compare versions

Comparing version 2.2.1 to 2.2.2

CHANGELOG.md

@@ -0,1 +1,8 @@
+## [2.2.2](https://github.com/wasdk/wasmparser/compare/v2.2.1...v2.2.2) (2020-06-16)
+
+
+### Bug Fixes
+
+* `grow_memory` -> `memory.grow` ([4bf7233](https://github.com/wasdk/wasmparser/commit/4bf7233ba7a50e77831a91a0bcac151b8fdd62e0))
+
 ## [2.2.1](https://github.com/wasdk/wasmparser/compare/v2.2.0...v2.2.1) (2020-06-11)
@@ -2,0 +9,0 @@

dist/cjs/index.d.ts

@@ -1,4 +0,4 @@
-export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, IModuleHeader, IResizableLimits, ITableType, IMemoryType, IGlobalType, IGlobalVariable, IElementSegment, IElementSegmentBody, IDataSegment, IDataSegmentBody, ImportEntryType, IImportEntry, IExportEntry, INameEntry, INaming, IModuleNameEntry, IFunctionNameEntry, ILocalName, ILocalNameEntry, ILinkingEntry, IRelocHeader, IRelocEntry, ISourceMappingURL, IStartEntry, IFunctionEntry, IFunctionType, ISectionInformation, ILocals, IFunctionInformation, IMemoryAddress, IOperatorInformation, IBinaryReaderData, } from './WasmParser.js';
-export { Emitter, } from './WasmEmitter.js';
-export { BinaryReaderTransform, } from './WasmParserTransform.js';
-export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, IDisassemblerResult, INameResolver, } from './WasmDis.js';
+export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, IModuleHeader, IResizableLimits, ITableType, IMemoryType, IGlobalType, IGlobalVariable, IElementSegment, IElementSegmentBody, IDataSegment, IDataSegmentBody, ImportEntryType, IImportEntry, IExportEntry, INameEntry, INaming, IModuleNameEntry, IFunctionNameEntry, ILocalName, ILocalNameEntry, ILinkingEntry, IRelocHeader, IRelocEntry, ISourceMappingURL, IStartEntry, IFunctionEntry, IFunctionType, ISectionInformation, ILocals, IFunctionInformation, IMemoryAddress, IOperatorInformation, IBinaryReaderData, } from "./WasmParser.js";
+export { Emitter } from "./WasmEmitter.js";
+export { BinaryReaderTransform } from "./WasmParserTransform.js";
+export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, IDisassemblerResult, INameResolver, } from "./WasmDis.js";

dist/cjs/index.js

@@ -5,23 +5,23 @@ "use strict";
 var WasmParser_js_1 = require("./WasmParser.js");
-exports.SectionCode = WasmParser_js_1.SectionCode;
-exports.OperatorCode = WasmParser_js_1.OperatorCode;
-exports.OperatorCodeNames = WasmParser_js_1.OperatorCodeNames;
-exports.ExternalKind = WasmParser_js_1.ExternalKind;
-exports.Type = WasmParser_js_1.Type;
-exports.RelocType = WasmParser_js_1.RelocType;
-exports.LinkingType = WasmParser_js_1.LinkingType;
-exports.NameType = WasmParser_js_1.NameType;
-exports.BinaryReaderState = WasmParser_js_1.BinaryReaderState;
-exports.Int64 = WasmParser_js_1.Int64;
-exports.BinaryReader = WasmParser_js_1.BinaryReader;
-exports.bytesToString = WasmParser_js_1.bytesToString;
+Object.defineProperty(exports, "SectionCode", { enumerable: true, get: function () { return WasmParser_js_1.SectionCode; } });
+Object.defineProperty(exports, "OperatorCode", { enumerable: true, get: function () { return WasmParser_js_1.OperatorCode; } });
+Object.defineProperty(exports, "OperatorCodeNames", { enumerable: true, get: function () { return WasmParser_js_1.OperatorCodeNames; } });
+Object.defineProperty(exports, "ExternalKind", { enumerable: true, get: function () { return WasmParser_js_1.ExternalKind; } });
+Object.defineProperty(exports, "Type", { enumerable: true, get: function () { return WasmParser_js_1.Type; } });
+Object.defineProperty(exports, "RelocType", { enumerable: true, get: function () { return WasmParser_js_1.RelocType; } });
+Object.defineProperty(exports, "LinkingType", { enumerable: true, get: function () { return WasmParser_js_1.LinkingType; } });
+Object.defineProperty(exports, "NameType", { enumerable: true, get: function () { return WasmParser_js_1.NameType; } });
+Object.defineProperty(exports, "BinaryReaderState", { enumerable: true, get: function () { return WasmParser_js_1.BinaryReaderState; } });
+Object.defineProperty(exports, "Int64", { enumerable: true, get: function () { return WasmParser_js_1.Int64; } });
+Object.defineProperty(exports, "BinaryReader", { enumerable: true, get: function () { return WasmParser_js_1.BinaryReader; } });
+Object.defineProperty(exports, "bytesToString", { enumerable: true, get: function () { return WasmParser_js_1.bytesToString; } });
 var WasmEmitter_js_1 = require("./WasmEmitter.js");
-exports.Emitter = WasmEmitter_js_1.Emitter;
+Object.defineProperty(exports, "Emitter", { enumerable: true, get: function () { return WasmEmitter_js_1.Emitter; } });
 var WasmParserTransform_js_1 = require("./WasmParserTransform.js");
-exports.BinaryReaderTransform = WasmParserTransform_js_1.BinaryReaderTransform;
+Object.defineProperty(exports, "BinaryReaderTransform", { enumerable: true, get: function () { return WasmParserTransform_js_1.BinaryReaderTransform; } });
 var WasmDis_js_1 = require("./WasmDis.js");
-exports.DefaultNameResolver = WasmDis_js_1.DefaultNameResolver;
-exports.NumericNameResolver = WasmDis_js_1.NumericNameResolver;
-exports.WasmDisassembler = WasmDis_js_1.WasmDisassembler;
-exports.LabelMode = WasmDis_js_1.LabelMode;
+Object.defineProperty(exports, "DefaultNameResolver", { enumerable: true, get: function () { return WasmDis_js_1.DefaultNameResolver; } });
+Object.defineProperty(exports, "NumericNameResolver", { enumerable: true, get: function () { return WasmDis_js_1.NumericNameResolver; } });
+Object.defineProperty(exports, "WasmDisassembler", { enumerable: true, get: function () { return WasmDis_js_1.WasmDisassembler; } });
+Object.defineProperty(exports, "LabelMode", { enumerable: true, get: function () { return WasmDis_js_1.LabelMode; } });
 //# sourceMappingURL=index.js.map

dist/cjs/WasmDis.d.ts

@@ -1,2 +0,2 @@
-import { BinaryReader } from './WasmParser.js';
+import { BinaryReader } from "./WasmParser.js";
 export interface IExportMetadata {
@@ -146,3 +146,2 @@ getFunctionExportNames(index: number): string[];
     private _tableExportNames;
-    constructor();
     private _addExportName;
@@ -149,0 +148,0 @@ private _setName;

dist/cjs/WasmEmitter.d.ts

@@ -1,2 +0,2 @@
-import { BinaryReader, IModuleHeader, ISectionInformation, IFunctionType, IImportEntry, ITableType, IMemoryType, IFunctionEntry, IExportEntry, IFunctionInformation, IOperatorInformation, IBinaryReaderData, IDataSegment, IDataSegmentBody, IElementSegment, IElementSegmentBody, IGlobalVariable, IRelocHeader, IRelocEntry, INameEntry, ILinkingEntry, ISourceMappingURL } from './WasmParser.js';
+import { BinaryReader, IModuleHeader, ISectionInformation, IFunctionType, IImportEntry, ITableType, IMemoryType, IFunctionEntry, IExportEntry, IFunctionInformation, IOperatorInformation, IBinaryReaderData, IDataSegment, IDataSegmentBody, IElementSegment, IElementSegmentBody, IGlobalVariable, IRelocHeader, IRelocEntry, INameEntry, ILinkingEntry, ISourceMappingURL } from "./WasmParser.js";
 export declare class Emitter {
@@ -3,0 +3,0 @@ private _buffer;

dist/cjs/WasmEmitter.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.Emitter = void 0;
 /* Copyright 2017 Mozilla Foundation
@@ -71,3 +72,3 @@ *
         },
-        enumerable: true,
+        enumerable: false,
         configurable: true
@@ -190,3 +191,3 @@ });
         },
-        enumerable: true,
+        enumerable: false,
         configurable: true
@@ -198,3 +199,3 @@ });
     Emitter.prototype.writeVarUint = function (n) {
-        while ((n & ~0x7F)) {
+        while (n & ~0x7f) {
             this.writeByte(0x80 | (n & 0x7f));
@@ -208,3 +209,3 @@ n >>>= 7;
         var test = n >> 31;
-        while ((n >> 6) != test) {
+        while (n >> 6 != test) {
             this.writeByte(0x80 | (n & 0x7f));
@@ -233,7 +234,7 @@ n >>= 7;
     Emitter.prototype.patchVarUint32 = function (pos, n) {
-        this.patchByte(pos, 0x80 | (n & 0x7F));
-        this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7F));
-        this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7F));
-        this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7F));
-        this.patchByte(pos + 4, ((n >>> 28) & 0x7F));
+        this.patchByte(pos, 0x80 | (n & 0x7f));
+        this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7f));
+        this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7f));
+        this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7f));
+        this.patchByte(pos + 4, (n >>> 28) & 0x7f);
     };
@@ -250,3 +251,3 @@ Emitter.prototype.ensureState = function (state) {
         if (!this._endWritten)
-            throw new Error('End as a last written operator is expected.');
+            throw new Error("End as a last written operator is expected.");
     };
@@ -273,15 +274,15 @@ Emitter.prototype.writeBeginWasm = function (header) {
                 var sectionName = WasmParser_js_1.bytesToString(section.name);
-                if (sectionName === 'name') {
+                if (sectionName === "name") {
                     this._state = EmitterState.NameEntry;
                     break;
                 }
-                if (sectionName.indexOf('reloc.') === 0) {
+                if (sectionName.indexOf("reloc.") === 0) {
                     this._state = EmitterState.RelocHeader;
                     break;
                 }
-                if (sectionName === 'linking') {
+                if (sectionName === "linking") {
                     this._state = EmitterState.LinkingEntry;
                     break;
                 }
-                if (sectionName === 'sourceMappingURL') {
+                if (sectionName === "sourceMappingURL") {
                     this._state = EmitterState.SourceMappingURL;
@@ -517,3 +518,3 @@ break;
         var highBit = n.data[end] & 0x80;
-        var optionalBits = highBit ? 0xFF : 0;
+        var optionalBits = highBit ? 0xff : 0;
         while (end > 0 && n.data[end] === optionalBits) {
@@ -524,3 +525,3 @@ end--;
         do {
-            this.writeByte(0x80 | (buffer & 0x7F));
+            this.writeByte(0x80 | (buffer & 0x7f));
             buffer >>= 7;
@@ -535,3 +536,4 @@ buffered -= 7;
             }
-            else if (pos == end && buffer === 7 &&
+            else if (pos == end &&
+                buffer === 7 &&
                 (n.data[pos] & 0x80) !== highBit) {
@@ -557,3 +559,6 @@ ++pos;
     Emitter.prototype.writeOperator = function (opInfo) {
-        this.ensureEitherState([EmitterState.FunctionBody, EmitterState.InitExpression]);
+        this.ensureEitherState([
+            EmitterState.FunctionBody,
+            EmitterState.InitExpression,
+        ]);
         if (opInfo.code < 0x100) {
@@ -580,3 +585,4 @@ this.writeByte(opInfo.code);
                 this.writeVarUint(tableCount);
-                for (var i = 0; i <= tableCount; i++) { // including default
+                for (var i = 0; i <= tableCount; i++) {
+                    // including default
                     this.writeVarUint(opInfo.brTable[i]);
@@ -583,0 +589,0 @@ }

dist/cjs/WasmParser.d.ts

@@ -681,3 +681,3 @@ export declare const enum SectionCode {
     private _data;
-    constructor(data: any);
+    constructor(data: Uint8Array);
     toInt32(): number;
@@ -684,0 +684,0 @@ toDouble(): number;

dist/cjs/WasmParserTransform.d.ts

 /// <reference types="node" />
-import { Transform } from 'stream';
-export { BinaryReaderState, SectionCode } from './WasmParser.js';
+import { Transform } from "stream";
+export { BinaryReaderState, SectionCode } from "./WasmParser.js";
 export declare class BinaryReaderTransform extends Transform {
@@ -9,4 +9,4 @@ private _buffer;
     constructor();
-    _transform(chunk: any, encoding: BufferEncoding, callback: Function): void;
-    _flush(callback: Function): void;
+    _transform(chunk: any, encoding: BufferEncoding, callback: () => void): void;
+    _flush(callback: () => void): void;
 }

dist/cjs/WasmParserTransform.js

@@ -30,7 +30,8 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.BinaryReaderTransform = void 0;
 var stream_1 = require("stream");
 var WasmParser_js_1 = require("./WasmParser.js");
 var WasmParser_js_2 = require("./WasmParser.js");
-exports.BinaryReaderState = WasmParser_js_2.BinaryReaderState;
-exports.SectionCode = WasmParser_js_2.SectionCode;
+Object.defineProperty(exports, "BinaryReaderState", { enumerable: true, get: function () { return WasmParser_js_2.BinaryReaderState; } });
+Object.defineProperty(exports, "SectionCode", { enumerable: true, get: function () { return WasmParser_js_2.SectionCode; } });
 var BinaryReaderTransform = /** @class */ (function (_super) {
@@ -40,3 +41,3 @@ __extends(BinaryReaderTransform, _super);
         var _this = _super.call(this, {
-            readableObjectMode: true
+            readableObjectMode: true,
         }) || this;
@@ -49,3 +50,5 @@ _this._buffer = new ArrayBuffer(1024);
     BinaryReaderTransform.prototype._transform = function (chunk, encoding, callback) {
-        var buf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+        var buf = Buffer.isBuffer(chunk)
+            ? chunk
+            : Buffer.from(chunk, encoding);
         var bufferNeeded = this._bufferSize + buf.length;
@@ -66,3 +69,3 @@ if (bufferNeeded > this._buffer.byteLength) {
                 state: parser.state,
-                result: parser.result
+                result: parser.result,
             });
@@ -85,3 +88,3 @@ }
                 state: parser.state,
-                result: parser.result
+                result: parser.result,
             });
@@ -88,0 +91,0 @@ }

dist/esm/index.d.ts

@@ -1,4 +0,4 @@
-export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, IModuleHeader, IResizableLimits, ITableType, IMemoryType, IGlobalType, IGlobalVariable, IElementSegment, IElementSegmentBody, IDataSegment, IDataSegmentBody, ImportEntryType, IImportEntry, IExportEntry, INameEntry, INaming, IModuleNameEntry, IFunctionNameEntry, ILocalName, ILocalNameEntry, ILinkingEntry, IRelocHeader, IRelocEntry, ISourceMappingURL, IStartEntry, IFunctionEntry, IFunctionType, ISectionInformation, ILocals, IFunctionInformation, IMemoryAddress, IOperatorInformation, IBinaryReaderData, } from './WasmParser.js';
-export { Emitter, } from './WasmEmitter.js';
-export { BinaryReaderTransform, } from './WasmParserTransform.js';
-export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, IDisassemblerResult, INameResolver, } from './WasmDis.js';
+export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, IModuleHeader, IResizableLimits, ITableType, IMemoryType, IGlobalType, IGlobalVariable, IElementSegment, IElementSegmentBody, IDataSegment, IDataSegmentBody, ImportEntryType, IImportEntry, IExportEntry, INameEntry, INaming, IModuleNameEntry, IFunctionNameEntry, ILocalName, ILocalNameEntry, ILinkingEntry, IRelocHeader, IRelocEntry, ISourceMappingURL, IStartEntry, IFunctionEntry, IFunctionType, ISectionInformation, ILocals, IFunctionInformation, IMemoryAddress, IOperatorInformation, IBinaryReaderData, } from "./WasmParser.js";
+export { Emitter } from "./WasmEmitter.js";
+export { BinaryReaderTransform } from "./WasmParserTransform.js";
+export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, IDisassemblerResult, INameResolver, } from "./WasmDis.js";

dist/esm/index.js

 // Just re-exporting everything.
-export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, } from './WasmParser.js';
-export { Emitter, } from './WasmEmitter.js';
-export { BinaryReaderTransform, } from './WasmParserTransform.js';
-export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, } from './WasmDis.js';
+export { SectionCode, OperatorCode, OperatorCodeNames, ExternalKind, Type, RelocType, LinkingType, NameType, BinaryReaderState, Int64, BinaryReader, bytesToString, } from "./WasmParser.js";
+export { Emitter } from "./WasmEmitter.js";
+export { BinaryReaderTransform } from "./WasmParserTransform.js";
+export { DefaultNameResolver, NumericNameResolver, WasmDisassembler, LabelMode, } from "./WasmDis.js";
 //# sourceMappingURL=index.js.map

dist/esm/WasmDis.d.ts

@@ -1,2 +0,2 @@
-import { BinaryReader } from './WasmParser.js';
+import { BinaryReader } from "./WasmParser.js";
 export interface IExportMetadata {
@@ -146,3 +146,2 @@ getFunctionExportNames(index: number): string[];
     private _tableExportNames;
-    constructor();
     private _addExportName;
@@ -149,0 +148,0 @@ private _setName;

dist/esm/WasmDis.js

@@ -15,3 +15,3 @@ /* Copyright 2016 Mozilla Foundation
  */
-import { OperatorCodeNames, bytesToString, NULL_FUNCTION_INDEX, isTypeIndex } from './WasmParser.js';
+import { OperatorCodeNames, bytesToString, NULL_FUNCTION_INDEX, isTypeIndex, } from "./WasmParser.js";
 const NAME_SECTION_NAME = "name";
@@ -22,10 +22,18 @@ const INVALID_NAME_SYMBOLS_REGEX = /[^0-9A-Za-z!#$%&'*+.:<=>?@^_`|~\/\-]/;
     switch (type) {
-        case -1 /* i32 */: return 'i32';
-        case -2 /* i64 */: return 'i64';
-        case -3 /* f32 */: return 'f32';
-        case -4 /* f64 */: return 'f64';
-        case -5 /* v128 */: return 'v128';
-        case -16 /* anyfunc */: return 'anyfunc';
-        case -17 /* anyref */: return 'anyref';
-        default: throw new Error(`Unexpected type ${type}`);
+        case -1 /* i32 */:
+            return "i32";
+        case -2 /* i64 */:
+            return "i64";
+        case -3 /* f32 */:
+            return "f32";
+        case -4 /* f64 */:
+            return "f64";
+        case -5 /* v128 */:
+            return "v128";
+        case -16 /* anyfunc */:
+            return "anyfunc";
+        case -17 /* anyref */:
+            return "anyref";
+        default:
+            throw new Error(`Unexpected type ${type}`);
     }
@@ -35,25 +43,26 @@ }
     if (n === 0)
-        return (1 / n) < 0 ? '-0.0' : '0.0';
+        return 1 / n < 0 ? "-0.0" : "0.0";
     if (isFinite(n))
         return n.toString();
     if (!isNaN(n))
-        return n < 0 ? '-inf' : 'inf';
+        return n < 0 ? "-inf" : "inf";
     var view = new DataView(new ArrayBuffer(8));
     view.setFloat32(0, n, true);
     var data = view.getInt32(0, true);
-    var payload = data & 0x7FFFFF;
+    var payload = data & 0x7fffff;
     const canonicalBits = 4194304; // 0x800..0
     if (data > 0 && payload === canonicalBits)
-        return 'nan'; // canonical NaN;
+        return "nan";
+    // canonical NaN;
     else if (payload === canonicalBits)
-        return '-nan';
-    return (data < 0 ? '-' : '+') + 'nan:0x' + payload.toString(16);
+        return "-nan";
+    return (data < 0 ? "-" : "+") + "nan:0x" + payload.toString(16);
 }
 function formatFloat64(n) {
     if (n === 0)
-        return (1 / n) < 0 ? '-0.0' : '0.0';
+        return 1 / n < 0 ? "-0.0" : "0.0";
     if (isFinite(n))
         return n.toString();
     if (!isNaN(n))
-        return n < 0 ? '-inf' : 'inf';
+        return n < 0 ? "-inf" : "inf";
     var view = new DataView(new ArrayBuffer(8));
@@ -63,9 +72,10 @@ view.setFloat64(0, n, true);
     var data2 = view.getInt32(4, true);
-    var payload = data1 + (data2 & 0xFFFFF) * 4294967296;
+    var payload = data1 + (data2 & 0xfffff) * 4294967296;
     const canonicalBits = 524288 * 4294967296; // 0x800..0
     if (data2 > 0 && payload === canonicalBits)
-        return 'nan'; // canonical NaN;
+        return "nan";
+    // canonical NaN;
     else if (payload === canonicalBits)
-        return '-nan';
-    return (data2 < 0 ? '-' : '+') + 'nan:0x' + payload.toString(16);
+        return "-nan";
+    return (data2 < 0 ? "-" : "+") + "nan:0x" + payload.toString(16);
 }
@@ -77,3 +87,3 @@ function formatI32Array(bytes, count) {
         result.push(`0x${formatHex(dv.getInt32(i << 2, true), 8)}`);
-    return result.join(' ');
+    return result.join(" ");
 }
@@ -85,3 +95,3 @@ function formatI8Array(bytes, count) {
         result.push(`${dv.getInt8(i)}`);
-    return result.join(' ');
+    return result.join(" ");
 }
@@ -193,5 +203,7 @@ function memoryAddressToString(address, code) {
     }
-    if (address.flags == defaultAlignFlags) // hide default flags
+    if (address.flags == defaultAlignFlags)
+        // hide default flags
         return !address.offset ? null : `offset=${address.offset}`;
-    if (!address.offset) // hide default offset
+    if (!address.offset)
+        // hide default offset
         return `align=${1 << address.flags}`;
@@ -205,5 +217,5 @@ return `offset=${address.offset | 0} align=${1 << address.flags}`;
 function limitsToString(limits) {
-    return limits.initial + (limits.maximum !== undefined ? ' ' + limits.maximum : '');
+    return (limits.initial + (limits.maximum !== undefined ? " " + limits.maximum : ""));
 }
-var paddingCache = ['0', '00', '000'];
+var paddingCache = ["0", "00", "000"];
 function formatHex(n, width) {
@@ -215,6 +227,6 @@ var s = (n >>> 0).toString(16).toUpperCase();
     while (paddingIndex >= paddingCache.length)
-        paddingCache.push(paddingCache[paddingCache.length - 1] + '0');
+        paddingCache.push(paddingCache[paddingCache.length - 1] + "0");
     return paddingCache[paddingIndex] + s;
 }
-const IndentIncrement = '  ';
+const IndentIncrement = "  ";
 function isValidName(name) {
@@ -225,21 +237,21 @@ return !INVALID_NAME_SYMBOLS_REGEX.test(name);
     getTypeName(index, isRef) {
-        return '$type' + index;
+        return "$type" + index;
     }
     getTableName(index, isRef) {
-        return '$table' + index;
+        return "$table" + index;
     }
     getMemoryName(index, isRef) {
-        return '$memory' + index;
+        return "$memory" + index;
     }
     getGlobalName(index, isRef) {
-        return '$global' + index;
+        return "$global" + index;
     }
     getFunctionName(index, isImport, isRef) {
-        return (isImport ? '$import' : '$func') + index;
+        return (isImport ? "$import" : "$func") + index;
     }
     getVariableName(funcIndex, index, isRef) {
-        return '$var' + index;
+        return "$var" + index;
     }
     getLabel(index) {
-        return '$label' + index;
+        return "$label" + index;
     }
@@ -314,18 +326,18 @@ }
     getTypeName(index, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
     getTableName(index, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
     getMemoryName(index, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
     getGlobalName(index, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
     getFunctionName(index, isImport, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
     getVariableName(funcIndex, index, isRef) {
-        return isRef ? '' + index : `(;${index};)`;
+        return isRef ? "" + index : `(;${index};)`;
     }
@@ -348,3 +360,3 @@ getLabel(index) {
         this._offsets = [];
-        this._buffer = '';
+        this._buffer = "";
         this._indent = null;
@@ -380,3 +392,3 @@ this._indentLevel = 0;
         if (this._currentPosition)
-            throw new Error('Cannot switch addOffsets during processing.');
+            throw new Error("Cannot switch addOffsets during processing.");
         this._addOffsets = value;
@@ -389,3 +401,3 @@ }
         if (this._currentPosition)
-            throw new Error('Cannot switch skipTypes during processing.');
+            throw new Error("Cannot switch skipTypes during processing.");
         this._skipTypes = skipTypes;
@@ -398,3 +410,3 @@ }
         if (this._currentPosition)
-            throw new Error('Cannot switch labelMode during processing.');
+            throw new Error("Cannot switch labelMode during processing.");
         this._labelMode = value;
@@ -407,3 +419,3 @@ }
         if (this._currentPosition)
-            throw new Error('Cannot switch exportMetadata during processing.');
+            throw new Error("Cannot switch exportMetadata during processing.");
         this._exportMetadata = exportMetadata;
@@ -416,3 +428,3 @@ }
         if (this._currentPosition)
-            throw new Error('Cannot switch nameResolver during processing.');
+            throw new Error("Cannot switch nameResolver during processing.");
         this._nameResolver = resolver;
@@ -430,3 +442,3 @@ }
         this._lines.push(this._buffer);
-        this._buffer = '';
+        this._buffer = "";
     }
@@ -450,18 +462,18 @@ logStartOfFunctionBodyOffset() {
         if (type.form !== -32 /* func */)
-            throw new Error('NYI other function form');
+            throw new Error("NYI other function form");
         if (type.params.length > 0) {
-            this.appendBuffer(' (param');
+            this.appendBuffer(" (param");
             for (var i = 0; i < type.params.length; i++) {
-                this.appendBuffer(' ');
+                this.appendBuffer(" ");
                 this.appendBuffer(typeToString(type.params[i]));
             }
-            this.appendBuffer(')');
+            this.appendBuffer(")");
         }
         if (type.returns.length > 0) {
-            this.appendBuffer(' (result');
+            this.appendBuffer(" (result");
             for (var i = 0; i < type.returns.length; i++) {
-                this.appendBuffer(' ');
+                this.appendBuffer(" ");
                 this.appendBuffer(typeToString(type.returns[i]));
             }
-            this.appendBuffer(')');
+            this.appendBuffer(")");
         }
@@ -476,13 +488,15 @@ }
         }
-        this.appendBuffer(' (result ');
+        this.appendBuffer(" (result ");
         this.appendBuffer(typeToString(type));
-        this.appendBuffer(')');
+        this.appendBuffer(")");
     }
     printString(b) {
-        this.appendBuffer('\"');
+        this.appendBuffer('"');
         for (var i = 0; i < b.length; i++) {
             var byte = b[i];
-            if (byte < 0x20 || byte >= 0x7F ||
-                byte == /* " */ 0x22 || byte == /* \ */ 0x5c) {
-                this.appendBuffer('\\' + (byte >> 4).toString(16) + (byte & 15).toString(16));
+            if (byte < 0x20 ||
+                byte >= 0x7f ||
+                byte == /* " */ 0x22 ||
+                byte == /* \ */ 0x5c) {
+                this.appendBuffer("\\" + (byte >> 4).toString(16) + (byte & 15).toString(16));
             }
@@ -493,11 +507,11 @@ else {
         }
-        this.appendBuffer('\"');
+        this.appendBuffer('"');
     }
     useLabel(depth) {
         if (!this._backrefLabels) {
-            return '' + depth;
+            return "" + depth;
         }
         var i = this._backrefLabels.length - depth - 1;
         if (i < 0) {
-            return '' + depth;
+            return "" + depth;
         }
@@ -509,7 +523,10 @@ var backrefLabel = this._backrefLabels[i];
             var line = this._lines[backrefLabel.line];
-            this._lines[backrefLabel.line] = line.substring(0, backrefLabel.position) +
-                ' ' + backrefLabel.label + line.substring(backrefLabel.position);
+            this._lines[backrefLabel.line] =
+                line.substring(0, backrefLabel.position) +
+                    " " +
+                    backrefLabel.label +
+                    line.substring(backrefLabel.position);
             this._labelIndex++;
         }
-        return backrefLabel.label || '' + depth;
+        return backrefLabel.label || "" + depth;
     }
@@ -524,3 +541,3 @@ printOperator(operator) {
                 if (this._labelMode !== LabelMode.Depth) {
-                    let backrefLabel = {
+                    const backrefLabel = {
                         line: this._lines.length,
@@ -535,3 +552,3 @@ position: this._buffer.length,
                         if (backrefLabel.label) {
-                            this.appendBuffer(' ');
+                            this.appendBuffer(" ");
                             this.appendBuffer(backrefLabel.label);
@@ -548,5 +565,5 @@ }
                 }
-                let backrefLabel = this._backrefLabels.pop();
+                const backrefLabel = this._backrefLabels.pop();
                 if (backrefLabel.label) {
-                    this.appendBuffer(' ');
+                    this.appendBuffer(" ");
                     this.appendBuffer(backrefLabel.label);
@@ -557,3 +574,3 @@ }
             case 13 /* br_if */:
-                this.appendBuffer(' ');
+                this.appendBuffer(" ");
                 this.appendBuffer(this.useLabel(operator.brDepth));
@@ -563,3 +580,3 @@ break;
                 for (var i = 0; i < operator.brTable.length; i++) {
-                    this.appendBuffer(' ');
+                    this.appendBuffer(" ");
                     this.appendBuffer(this.useLabel(operator.brTable[i]));
@@ -681,3 +698,3 @@ }
                 if (memoryAddress !== null) {
-                    this.appendBuffer(' ');
+                    this.appendBuffer(" ");
                     this.appendBuffer(memoryAddress);
@@ -730,29 +747,26 @@ }
             case 37 /* table_get */:
-            case 64529 /* table_fill */:
-                {
-                    let tableName = this._nameResolver.getTableName(operator.tableIndex, true);
-                    this.appendBuffer(` ${tableName}`);
+            case 64529 /* table_fill */: {
+                const tableName = this._nameResolver.getTableName(operator.tableIndex, true);
+                this.appendBuffer(` ${tableName}`);
+                break;
+            }
+            case 64526 /* table_copy */: {
+                // Table index might be omitted and defaults to 0.
+                if (operator.tableIndex === 0 && operator.destinationIndex === 0)
                     break;
-                }
-            case 64526 /* table_copy */:
-                {
-                    // Table index might be omitted and defaults to 0.
-                    if (operator.tableIndex === 0 && operator.destinationIndex === 0)
-                        break;
-                    let tableName = this._nameResolver.getTableName(operator.tableIndex, true);
-                    let destinationName = this._nameResolver.getTableName(operator.destinationIndex, true);
-                    this.appendBuffer(` ${destinationName} ${tableName}`);
+                const tableName = this._nameResolver.getTableName(operator.tableIndex, true);
+                const destinationName = this._nameResolver.getTableName(operator.destinationIndex, true);
+                this.appendBuffer(` ${destinationName} ${tableName}`);
+                break;
+            }
+            case 64524 /* table_init */: {
+                // Table index might be omitted and defaults to 0.
+                if (operator.tableIndex === 0) {
+                    this.appendBuffer(` ${operator.segmentIndex}`);
                     break;
                 }
-            case 64524 /* table_init */:
-                {
-                    // Table index might be omitted and defaults to 0.
-                    if (operator.tableIndex === 0) {
-                        this.appendBuffer(` ${operator.segmentIndex}`);
-                        break;
-                    }
-                    let tableName = this._nameResolver.getTableName(operator.tableIndex, true);
-                    this.appendBuffer(` ${operator.segmentIndex} ${tableName}`);
-                    break;
-                }
+                const tableName = this._nameResolver.getTableName(operator.tableIndex, true);
+                this.appendBuffer(` ${operator.segmentIndex} ${tableName}`);
+                break;
+            }
         }
@@ -762,3 +776,3 @@ }
         this.printString(info.module);
-        this.appendBuffer(' ');
+        this.appendBuffer(" ");
         this.printString(info.field);
@@ -775,3 +789,3 @@ }
     disassemble(reader) {
-        let done = this.disassembleChunk(reader);
+        const done = this.disassembleChunk(reader);
         if (!done)
@@ -783,7 +797,7 @@ return null;
                 var position = formatHex(this._offsets[index], 4);
-                return line + ' ;; @' + position;
+                return line + " ;; @" + position;
             });
         }
-        lines.push(''); // we need '\n' after last line
-        let result = lines.join('\n');
+        lines.push(""); // we need '\n' after last line
+        const result = lines.join("\n");
         this._lines.length = 0;
@@ -813,7 +827,9 @@ this._offsets.length = 0;
         if (linesReady === this._lines.length) {
-            let result = {
+            const result = {
                 lines: this._lines,
                 offsets: this._addOffsets ? this._offsets : undefined,
                 done: this._done,
-                functionBodyOffsets: this._addOffsets ? this._functionBodyOffsets : undefined,
+                functionBodyOffsets: this._addOffsets
+                    ? this._functionBodyOffsets
+                    : undefined,
             };
@@ -827,7 +843,11 @@ this._lines = [];
         }
-        let result = {
+        const result = {
             lines: this._lines.splice(0, linesReady),
-            offsets: this._addOffsets ? this._offsets.splice(0, linesReady) : undefined,
+            offsets: this._addOffsets
+                ? this._offsets.splice(0, linesReady)
+                : undefined,
             done: false,
-            functionBodyOffsets: this._addOffsets ? this._functionBodyOffsets : undefined,
+            functionBodyOffsets: this._addOffsets
+                ? this._functionBodyOffsets
+                : undefined,
         };
@@ -843,6 +863,6 @@ if (this._backrefLabels) {
         if (this._done)
-            throw new Error('Invalid state: disassembly process was already finished.');
+            throw new Error("Invalid state: disassembly process was already finished.");
         while (true) {
             if (this._maxLines && this._lines.length >= this._maxLines) {
-                this.appendBuffer(';; -- text is truncated due to size --');
+                this.appendBuffer(";; -- text is truncated due to size --");
                 this.newLine();
@@ -856,3 +876,3 @@ return true;
                 case 2 /* END_WASM */:
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this.newLine();
@@ -868,3 +888,3 @@ this._reset();
                 case 1 /* BEGIN_WASM */:
-                    this.appendBuffer('(module');
+                    this.appendBuffer("(module");
                     this.newLine();
@@ -908,3 +928,3 @@ break;
                     }
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this.newLine();
@@ -930,5 +950,5 @@ break;
                         var exportInfo = reader.result;
-                        this.appendBuffer('  (export ');
+                        this.appendBuffer("  (export ");
                         this.printString(exportInfo.field);
-                        this.appendBuffer(' ');
+                        this.appendBuffer(" ");
                         switch (exportInfo.kind) {
@@ -954,3 +974,3 @@ case 0 /* Function */:
                         }
-                        this.appendBuffer(')');
+                        this.appendBuffer(")");
                         this.newLine();
@@ -974,5 +994,5 @@ }
                             this.printImportSource(importInfo);
-                            this.appendBuffer(')');
+                            this.appendBuffer(")");
                             this.printFuncType(importInfo.funcTypeIndex);
-                            this.appendBuffer(')');
+                            this.appendBuffer(")");
                             break;
@@ -1009,3 +1029,3 @@ case 3 /* Global */:
                             }
-                            this.appendBuffer(')');
+                            this.appendBuffer(")");
                             break;
@@ -1033,21 +1053,21 @@ case 1 /* Table */:
                     var elementSegmentInfo = reader.result;
-                    this.appendBuffer('  (elem ');
+                    this.appendBuffer("  (elem ");
                     break;
                 case 35 /* END_ELEMENT_SECTION_ENTRY */:
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this.newLine();
                     break;
                 case 34 /* ELEMENT_SECTION_ENTRY_BODY */:
-                    let elementSegmentBody = reader.result;
+                    const elementSegmentBody = reader.result;
                     if (elementSegmentBody.elementType != 0 /* unspecified */) {
-                        let typeName = typeToString(elementSegmentBody.elementType);
+                        const typeName = typeToString(elementSegmentBody.elementType);
                         this.appendBuffer(` ${typeName}`);
                     }
-                    elementSegmentBody.elements.forEach(funcIndex => {
+                    elementSegmentBody.elements.forEach((funcIndex) => {
                         if (elementSegmentBody.asElements) {
                             if (funcIndex == NULL_FUNCTION_INDEX) {
-                                this.appendBuffer(' (ref.null)');
+                                this.appendBuffer(" (ref.null)");
                             }
                             else {
-                                let funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
+                                const funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
                                 this.appendBuffer(` (ref.func ${funcName})`);
@@ -1057,3 +1077,3 @@ }
                         else {
-                            let funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
+                            const funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
                             this.appendBuffer(` ${funcName}`);
@@ -1076,3 +1096,3 @@ }
                 case 40 /* END_GLOBAL_SECTION_ENTRY */:
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this.newLine();
@@ -1088,3 +1108,3 @@ break;
                         this.printFuncType(typeIndex);
-                        this.appendBuffer('))');
+                        this.appendBuffer("))");
                         this.newLine();
@@ -1100,11 +1120,11 @@ }
                 case 36 /* BEGIN_DATA_SECTION_ENTRY */:
-                    this.appendBuffer('  (data ');
+                    this.appendBuffer("  (data ");
                     break;
                 case 37 /* DATA_SECTION_ENTRY_BODY */:
                     var body = reader.result;
-                    this.appendBuffer(' ');
+                    this.appendBuffer(" ");
                     this.printString(body.data);
                     break;
                 case 38 /* END_DATA_SECTION_ENTRY */:
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this.newLine();
@@ -1118,3 +1138,3 @@ break;
                 case 27 /* END_INIT_EXPRESSION_BODY */:
-                    this.appendBuffer('(');
+                    this.appendBuffer("(");
                     // TODO fix printing when more that one operator is used.
@@ -1126,7 +1146,7 @@ this._initExpression.forEach((op, index) => {
                         if (index > 0) {
-                            this.appendBuffer(' ');
+                            this.appendBuffer(" ");
                         }
                         this.printOperator(op);
                     });
-                    this.appendBuffer(')');
+                    this.appendBuffer(")");
                     this._initExpression.length = 0;
@@ -1140,3 +1160,3 @@ break;
                     var type = this._types[this._funcTypes[this._funcIndex - this._importCount]];
-                    this.appendBuffer('  (func ');
+                    this.appendBuffer("  (func ");
                     this.appendBuffer(this._nameResolver.getFunctionName(this._funcIndex, false, false));
@@ -1158,3 +1178,3 @@ if (this._exportMetadata !== null) {
                     if (func.locals.length > 0) {
-                        this.appendBuffer('   ');
+                        this.appendBuffer("   ");
                         for (var l of func.locals) {
@@ -1168,3 +1188,3 @@ for (var i = 0; i < l.count; i++) {
                     }
-                    this._indent = '    ';
+                    this._indent = "    ";
                     this._indentLevel = 0;
@@ -1248,3 +1268,3 @@ this._labelIndex = 0;
         if (this._done)
-            throw new Error('Invalid state: disassembly process was already finished.');
+            throw new Error("Invalid state: disassembly process was already finished.");
         while (true) {
@@ -1302,3 +1322,3 @@ if (!reader.read())
                         var localNameInfo = nameInfo;
-                        localNameInfo.funcs.forEach(localName => {
+                        localNameInfo.funcs.forEach((localName) => {
                             this._functionLocalNames[localName.index] = [];
@@ -1383,3 +1403,3 @@ localName.locals.forEach((naming) => {
         else if (!names[index]) {
-            names[index] = name.replace(INVALID_NAME_SYMBOLS_REGEX_GLOBAL, '_');
+            names[index] = name.replace(INVALID_NAME_SYMBOLS_REGEX_GLOBAL, "_");
         }
@@ -1389,3 +1409,3 @@ }
         if (this._done)
-            throw new Error('Invalid state: disassembly process was already finished.');
+            throw new Error("Invalid state: disassembly process was already finished.");
         while (true) {
@@ -1465,3 +1485,3 @@ if (!reader.read())
                         var localNameInfo = nameInfo;
-                        localNameInfo.funcs.forEach(localName => {
+                        localNameInfo.funcs.forEach((localName) => {
                             this._functionLocalNames[localName.index] = [];
@@ -1468,0 +1488,0 @@ localName.locals.forEach((naming) => {

dist/esm/WasmEmitter.d.ts

@@ -1,2 +0,2 @@
-import { BinaryReader, IModuleHeader, ISectionInformation, IFunctionType, IImportEntry, ITableType, IMemoryType, IFunctionEntry, IExportEntry, IFunctionInformation, IOperatorInformation, IBinaryReaderData, IDataSegment, IDataSegmentBody, IElementSegment, IElementSegmentBody, IGlobalVariable, IRelocHeader, IRelocEntry, INameEntry, ILinkingEntry, ISourceMappingURL } from './WasmParser.js';
+import { BinaryReader, IModuleHeader, ISectionInformation, IFunctionType, IImportEntry, ITableType, IMemoryType, IFunctionEntry, IExportEntry, IFunctionInformation, IOperatorInformation, IBinaryReaderData, IDataSegment, IDataSegmentBody, IElementSegment, IElementSegmentBody, IGlobalVariable, IRelocHeader, IRelocEntry, INameEntry, ILinkingEntry, ISourceMappingURL } from "./WasmParser.js";
 export declare class Emitter {
@@ -3,0 +3,0 @@ private _buffer;

dist/esm/WasmEmitter.js

@@ -15,3 +15,3 @@ /* Copyright 2017 Mozilla Foundation
  */
-import { bytesToString, } from './WasmParser.js';
+import { bytesToString, } from "./WasmParser.js";
 var EmitterState;
@@ -182,3 +182,3 @@ (function (EmitterState) {
     writeVarUint(n) {
-        while ((n & ~0x7F)) {
+        while (n & ~0x7f) {
             this.writeByte(0x80 | (n & 0x7f));
@@ -192,3 +192,3 @@ n >>>= 7;
         var test = n >> 31;
-        while ((n >> 6) != test) {
+        while (n >> 6 != test) {
             this.writeByte(0x80 | (n & 0x7f));
@@ -217,7 +217,7 @@ n >>= 7;
     patchVarUint32(pos, n) {
-        this.patchByte(pos, 0x80 | (n & 0x7F));
-        this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7F));
-        this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7F));
-        this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7F));
-        this.patchByte(pos + 4, ((n >>> 28) & 0x7F));
+        this.patchByte(pos, 0x80 | (n & 0x7f));
+        this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7f));
+        this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7f));
+        this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7f));
+        this.patchByte(pos + 4, (n >>> 28) & 0x7f);
     }
@@ -234,3 +234,3 @@ ensureState(state) {
         if (!this._endWritten)
-            throw new Error('End as a last written operator is expected.');
+            throw new Error("End as a last written operator is expected.");
     }
@@ -257,15 +257,15 @@ writeBeginWasm(header) {
                 var sectionName = bytesToString(section.name);
-                if (sectionName === 'name') {
+                if (sectionName === "name") {
                     this._state = EmitterState.NameEntry;
                     break;
                 }
-                if (sectionName.indexOf('reloc.') === 0) {
+                if (sectionName.indexOf("reloc.") === 0) {
                     this._state = EmitterState.RelocHeader;
                     break;
                 }
-                if (sectionName === 'linking') {
+                if (sectionName === "linking") {
                     this._state = EmitterState.LinkingEntry;
                     break;
                 }
-                if (sectionName === 'sourceMappingURL') {
+                if (sectionName === "sourceMappingURL") {
                     this._state = EmitterState.SourceMappingURL;
@@ -501,3 +501,3 @@ break;
         var highBit = n.data[end] & 0x80;
-        var optionalBits = highBit ? 0xFF : 0;
+        var optionalBits = highBit ? 0xff : 0;
         while (end > 0 && n.data[end] === optionalBits) {
@@ -508,3 +508,3 @@ end--;
         do {
-            this.writeByte(0x80 | (buffer & 0x7F));
+            this.writeByte(0x80 | (buffer & 0x7f));
             buffer >>= 7;
@@ -519,3 +519,4 @@ buffered -= 7;
             }
-            else if (pos == end && buffer === 7 &&
+            else if (pos == end &&
+                buffer === 7 &&
                 (n.data[pos] & 0x80) !== highBit) {
@@ -541,3 +542,6 @@ ++pos;
     writeOperator(opInfo) {
-        this.ensureEitherState([EmitterState.FunctionBody, EmitterState.InitExpression]);
+        this.ensureEitherState([
+            EmitterState.FunctionBody,
+            EmitterState.InitExpression,
+        ]);
         if (opInfo.code < 0x100) {
@@ -564,3 +568,4 @@ this.writeByte(opInfo.code);
                 this.writeVarUint(tableCount);
-                for (var i = 0; i <= tableCount; i++) { // including default
+                for (var i = 0; i <= tableCount; i++) {
+                    // including default
                     this.writeVarUint(opInfo.brTable[i]);
@@ -725,3 +730,3 @@ }
         this.writeVarUint(map.length);
-        map.forEach(naming => {
+        map.forEach((naming) => {
             this.writeVarUint(naming.index);
@@ -746,3 +751,3 @@ this.writeString(naming.name);
                 this.writeVarUint(funcs.length);
-                funcs.forEach(func => {
+                funcs.forEach((func) => {
                     this.writeVarUint(func.index);
@@ -749,0 +754,0 @@ this.writeNameMap(func.locals);

dist/esm/WasmParser.d.ts

@@ -681,3 +681,3 @@ export declare const enum SectionCode {
     private _data;
-    constructor(data: any);
+    constructor(data: Uint8Array);
     toInt32(): number;
@@ -684,0 +684,0 @@ toDouble(): number;

dist/esm/WasmParserTransform.d.ts

 /// <reference types="node" />
-import { Transform } from 'stream';
-export { BinaryReaderState, SectionCode } from './WasmParser.js';
+import { Transform } from "stream";
+export { BinaryReaderState, SectionCode } from "./WasmParser.js";
 export declare class BinaryReaderTransform extends Transform {
@@ -9,4 +9,4 @@ private _buffer;
     constructor();
-    _transform(chunk: any, encoding: BufferEncoding, callback: Function): void;
-    _flush(callback: Function): void;
+    _transform(chunk: any, encoding: BufferEncoding, callback: () => void): void;
+    _flush(callback: () => void): void;
 }

dist/esm/WasmParserTransform.js

@@ -15,9 +15,9 @@ /* Copyright 2016 Mozilla Foundation
  */
-import { Transform } from 'stream';
-import { BinaryReader } from './WasmParser.js';
-export { BinaryReaderState, SectionCode } from './WasmParser.js';
+import { Transform } from "stream";
+import { BinaryReader } from "./WasmParser.js";
+export { BinaryReaderState, SectionCode } from "./WasmParser.js";
 export class BinaryReaderTransform extends Transform {
     constructor() {
         super({
-            readableObjectMode: true
+            readableObjectMode: true,
         });
@@ -29,3 +29,5 @@ this._buffer = new ArrayBuffer(1024);
     _transform(chunk, encoding, callback) {
-        var buf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+        var buf = Buffer.isBuffer(chunk)
+            ? chunk
+            : Buffer.from(chunk, encoding);
         var bufferNeeded = this._bufferSize + buf.length;
@@ -46,3 +48,3 @@ if (bufferNeeded > this._buffer.byteLength) {
                 state: parser.state,
-                result: parser.result
+                result: parser.result,
             });
@@ -65,3 +67,3 @@ }
                 state: parser.state,
-                result: parser.result
+                result: parser.result,
             });
@@ -68,0 +70,0 @@ }

package.json

 {
   "name": "wasmparser",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "Binary WebAssembly file parser.",
@@ -15,2 +15,3 @@ "main": "dist/cjs/index.js",
     "build:esm": "tsc --module es2015 --moduleResolution node --outDir dist/esm --target es2015",
+    "lint": "eslint '**/*.ts' --quiet",
     "prepare": "npm run build",
@@ -35,17 +36,25 @@ "test": "jest"
     "@semantic-release/git": "^9.0.0",
-    "@types/jest": "^24.9.1",
+    "@types/jest": "^26.0.0",
+    "@typescript-eslint/eslint-plugin": "^3.2.0",
+    "@typescript-eslint/parser": "^3.2.0",
     "concurrently": "^5.2.0",
+    "eslint": "^7.2.0",
+    "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-prettier": "^3.1.3",
     "husky": "^4.2.5",
-    "jest": "^25.1.0",
+    "jest": "^26.0.1",
+    "lint-staged": "^10.2.10",
+    "prettier": "^2.0.5",
     "semantic-release": "^17.0.8",
-    "ts-jest": "^24.3.0",
-    "typescript": "^3.8.3",
-    "wabt": "^1.0.13"
+    "ts-jest": "^26.1.0",
+    "typescript": "^3.9.5",
+    "wabt": "1.0.13"
   },
   "dependencies": {
-    "@types/node": "^12.12.30"
+    "@types/node": "^14.0.13"
   },
   "husky": {
     "hooks": {
-      "commit-msg": "commitlint -E HUSKY_GIT_PARAMS"
+      "commit-msg": "commitlint -E HUSKY_GIT_PARAMS",
+      "pre-commit": "lint-staged"
     }
@@ -58,2 +67,7 @@ },
   },
+  "lint-staged": {
+    "*.ts": [
+      "eslint --fix"
+    ]
+  },
   "release": {
@@ -60,0 +74,0 @@ "plugins": [

src/index.ts

@@ -47,10 +47,6 @@ // Just re-exporting everything.
   IBinaryReaderData,
-} from './WasmParser.js';
+} from "./WasmParser.js";
+export { Emitter } from "./WasmEmitter.js";
+export { BinaryReaderTransform } from "./WasmParserTransform.js";
 export {
-  Emitter,
-} from './WasmEmitter.js';
-export {
-  BinaryReaderTransform,
-} from './WasmParserTransform.js';
-export {
   DefaultNameResolver,
@@ -62,2 +58,2 @@ NumericNameResolver,
   INameResolver,
-} from './WasmDis.js';
+} from "./WasmDis.js";

src/WasmDis.spec.ts

@@ -26,4 +26,4 @@ /* Copyright 2016 Mozilla Foundation
     const { buffer } = parseWat(
-        `test.wat`,
-	`(module
+      `test.wat`,
+      `(module
          (export "export.function" (func 0))
@@ -55,4 +55,4 @@ (export "export.memory" (memory 0))
     const { buffer } = parseWat(
-        `test.wat`,
-	`(module
+      `test.wat`,
+      `(module
          (import "import" "function" (func))
@@ -82,7 +82,7 @@ (import "import" "memory" (memory 0))
     const { buffer } = parseWat(
-        `test.wat`,
-        `(module
+      `test.wat`,
+      `(module
          (export "export.function" (func $f))
          (func $f (result i32) i32.const 0))`
-  ).toBinary({ write_debug_names: true });
+    ).toBinary({ write_debug_names: true });
     const reader = new BinaryReader();
@@ -99,7 +99,7 @@ reader.setData(buffer.buffer, 0, buffer.byteLength);
     const { buffer } = parseWat(
-        `test.wat`,
-        `(module
+      `test.wat`,
+      `(module
          (import "import" "function" (func))
          (export "export.function" (func 0)))`
-  ).toBinary({ write_debug_names: true });
+    ).toBinary({ write_debug_names: true });
     const reader = new BinaryReader();
@@ -115,5 +115,5 @@ reader.setData(buffer.buffer, 0, buffer.byteLength);
   test("Wasm module with no set names", () => {
-      const { buffer } = parseWat(
-          `test.wat`,
-          `(module
+    const { buffer } = parseWat(
+      `test.wat`,
+      `(module
            (import "" "" (func))
@@ -125,52 +125,52 @@ (export "" (func 0))
            (global i32 (i32.const 0)))`
-      ).toBinary({ write_debug_names: true });
-      const reader = new BinaryReader();
-      reader.setData(buffer.buffer, 0, buffer.byteLength);
-      const ng = new DevToolsNameGenerator();
-      ng.read(reader);
-      const nr = ng.getNameResolver();
-      expect(nr.getFunctionName(0, true, true)).toBe("$.");
-      expect(nr.getFunctionName(0, true, false)).toBe("$. (;0;)");
-      expect(nr.getFunctionName(1, false, true)).toBe("$func1");
-      expect(nr.getFunctionName(1, false, false)).toBe("$func1");
-      expect(nr.getMemoryName(0, true)).toBe("$memory0");
-      expect(nr.getMemoryName(0, false)).toBe("$memory0");
-      expect(nr.getTableName(0, true)).toBe("$table0");
-      expect(nr.getTableName(0, false)).toBe("$table0");
-      expect(nr.getGlobalName(0, false)).toBe("$global0");
-      expect(nr.getGlobalName(0, false)).toBe("$global0");
+    ).toBinary({ write_debug_names: true });
+    const reader = new BinaryReader();
+    reader.setData(buffer.buffer, 0, buffer.byteLength);
+    const ng = new DevToolsNameGenerator();
+    ng.read(reader);
+    const nr = ng.getNameResolver();
+    expect(nr.getFunctionName(0, true, true)).toBe("$.");
+    expect(nr.getFunctionName(0, true, false)).toBe("$. (;0;)");
+    expect(nr.getFunctionName(1, false, true)).toBe("$func1");
+    expect(nr.getFunctionName(1, false, false)).toBe("$func1");
+    expect(nr.getMemoryName(0, true)).toBe("$memory0");
+    expect(nr.getMemoryName(0, false)).toBe("$memory0");
+    expect(nr.getTableName(0, true)).toBe("$table0");
+    expect(nr.getTableName(0, false)).toBe("$table0");
+    expect(nr.getGlobalName(0, false)).toBe("$global0");
+    expect(nr.getGlobalName(0, false)).toBe("$global0");
   });
 
   test("Wasm module with defined and undefined param names", () => {
-      const { buffer } = parseWat(
-          `test.wat`,
-          `(module
+    const { buffer } = parseWat(
+      `test.wat`,
+      `(module
            (func (param i32) (param $x i32)))`
-      ).toBinary({ write_debug_names: true });
-      const reader = new BinaryReader();
-      reader.setData(buffer.buffer, 0, buffer.byteLength);
-      const ng = new DevToolsNameGenerator();
-      ng.read(reader);
-      const nr = ng.getNameResolver();
-      expect(nr.getVariableName(0, 0, true)).toBe("$var0");
-      expect(nr.getVariableName(0, 0, false)).toBe("$var0");
-      expect(nr.getVariableName(0, 1, true)).toBe("$x");
-      expect(nr.getVariableName(0, 1, false)).toBe("$x (;1;)");
+    ).toBinary({ write_debug_names: true });
+    const reader = new BinaryReader();
+    reader.setData(buffer.buffer, 0, buffer.byteLength);
+    const ng = new DevToolsNameGenerator();
+    ng.read(reader);
+    const nr = ng.getNameResolver();
+    expect(nr.getVariableName(0, 0, true)).toBe("$var0");
+    expect(nr.getVariableName(0, 0, false)).toBe("$var0");
+    expect(nr.getVariableName(0, 1, true)).toBe("$x");
+    expect(nr.getVariableName(0, 1, false)).toBe("$x (;1;)");
   });
 
   test("Wasm module with defined and undefined local names", () => {
-      const { buffer } = parseWat(
-          `test.wat`,
-          `(module
+    const { buffer } = parseWat(
+      `test.wat`,
+      `(module
            (func (local i32) (local $x i32)))`
-      ).toBinary({ write_debug_names: true });
-      const reader = new BinaryReader();
-      reader.setData(buffer.buffer, 0, buffer.byteLength);
-      const ng = new DevToolsNameGenerator();
-      ng.read(reader);
-      const nr = ng.getNameResolver();
-      expect(nr.getVariableName(0, 0, true)).toBe("$var0");
-      expect(nr.getVariableName(0, 0, false)).toBe("$var0");
-      expect(nr.getVariableName(0, 1, true)).toBe("$x");
-      expect(nr.getVariableName(0, 1, false)).toBe("$x (;1;)");
+    ).toBinary({ write_debug_names: true });
+    const reader = new BinaryReader();
+    reader.setData(buffer.buffer, 0, buffer.byteLength);
+    const ng = new DevToolsNameGenerator();
+    ng.read(reader);
+    const nr = ng.getNameResolver();
+    expect(nr.getVariableName(0, 0, true)).toBe("$var0");
+    expect(nr.getVariableName(0, 0, false)).toBe("$var0");
+    expect(nr.getVariableName(0, 1, true)).toBe("$x");
+    expect(nr.getVariableName(0, 1, false)).toBe("$x (;1;)");
   });
@@ -180,4 +180,4 @@
     const { buffer } = parseWat(
-        `test.wat`,
-        `(module
+      `test.wat`,
+      `(module
          (export "{}" (func 0))
@@ -207,3 +207,3 @@ (func))`
       0x00,
-      0x00
+      0x00,
     ]);
@@ -262,4 +262,4 @@ const reader = new BinaryReader();
     const { buffer } = parseWat(
-        `test.wat`,
-	`(module
+      `test.wat`,
+      `(module
          (import "import" "function" (func $foo))
@@ -306,10 +306,10 @@ (import "import" "function2" (func $foo))
     const { buffer } = parseWat("functions.js", lines.join("\n")).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
-    const parser = new BinaryReader;
+    const parser = new BinaryReader();
     parser.setData(buffer.buffer, 0, buffer.byteLength);
-    const ng = new DevToolsNameGenerator;
+    const ng = new DevToolsNameGenerator();
     ng.read(parser);
     parser.setData(buffer.buffer, 0, buffer.byteLength);
-    const dis = new WasmDisassembler;
+    const dis = new WasmDisassembler();
     dis.exportMetadata = ng.getExportMetadata();
@@ -327,3 +327,3 @@ dis.disassembleChunk(parser);
       `  )`,
-      `)`
+      `)`,
     ];
@@ -338,3 +338,3 @@ expect(parseAndDisassemble(lines)).toEqual(lines);
       `  (global $global1 (export "baz") f32 (f32.const 42))`,
-      `)`
+      `)`,
     ];
@@ -348,3 +348,3 @@ expect(parseAndDisassemble(lines)).toEqual(lines);
       `  (memory $memory0 (export "bar") (export "foo") (import "foo" "bar") 100)`,
-      `)`
+      `)`,
     ];
@@ -358,3 +358,3 @@ expect(parseAndDisassemble(lines)).toEqual(lines);
       `  (memory $memory0 (export "bar") (export "foo") 100)`,
-      `)`
+      `)`,
     ];
@@ -369,3 +369,3 @@ expect(parseAndDisassemble(lines)).toEqual(lines);
       `  (table $table1 (export "baz") 5 20 anyfunc)`,
-      `)`
+      `)`,
     ];
@@ -377,4 +377,3 @@ expect(parseAndDisassemble(lines)).toEqual(lines);
 describe("WasmDisassembler.getResult() with function code", () => {
-  const watString =
-  `(module
+  const watString = `(module
   (export "export.function" (func $f))
@@ -388,3 +387,3 @@ (func $f (result i32)
     "(module",
-    "  (export \"export.function\" (func $func0))",
+    '  (export "export.function" (func $func0))',
     "  (func $func0 (result i32)",
@@ -402,3 +401,3 @@ "    (local $var0 i32)",
     const { buffer } = parseWat(fileName, watString).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
@@ -415,13 +414,12 @@ const parser = new BinaryReader();
     expect(result.offsets).toEqual([0, 22, 43, 43, 48, 50, 51, 53, 55, 83]);
-    expect(result.functionBodyOffsets).toEqual(
-      [
-        {
-          start: 48,
-          end: 51,
-        },
-        {
-          start: 53,
-          end: 56,
-        },
-      ]);
+    expect(result.functionBodyOffsets).toEqual([
+      {
+        start: 48,
+        end: 51,
+      },
+      {
+        start: 53,
+        end: 56,
+      },
+    ]);
   });
@@ -431,3 +429,3 @@
     const { buffer } = parseWat(fileName, watString).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
@@ -454,3 +452,3 @@ const parser = new BinaryReader();
     `  (export "export.function" (func $import0))`,
-    `)`
+    `)`,
   ];
@@ -464,7 +462,7 @@ const expectedLinesWithTypes = [
   ];
-  const watString = expectedLines.join('\n');
+  const watString = expectedLines.join("\n");
 
   test("addOffsets is true", () => {
     const { buffer } = parseWat(fileName, watString).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
@@ -486,3 +484,3 @@ const parser = new BinaryReader();
     const { buffer } = parseWat(fileName, watString).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
@@ -504,3 +502,3 @@ const parser = new BinaryReader();
     const { buffer } = parseWat(fileName, watString).toBinary({
-      write_debug_names: true
+      write_debug_names: true,
     });
@@ -507,0 +505,0 @@ const parser = new BinaryReader();

src/WasmDis.ts

@@ -16,54 +16,83 @@ /* Copyright 2016 Mozilla Foundation
 import {
-  BinaryReader, BinaryReaderState, SectionCode, IExportEntry, IMemoryAddress,
-  ExternalKind, IFunctionType, IFunctionEntry, IFunctionInformation,
-  IImportEntry, IOperatorInformation, Type, OperatorCode, OperatorCodeNames, Int64,
-  ITableType, IMemoryType, IGlobalType, IResizableLimits, IDataSegmentBody,
-  IGlobalVariable, IElementSegment, IElementSegmentBody, ISectionInformation,
-  IStartEntry, bytesToString, INameEntry, NameType, IFunctionNameEntry, INaming,
-  NULL_FUNCTION_INDEX, isTypeIndex,
-  ILocalNameEntry
-} from './WasmParser.js';
+  BinaryReader,
+  BinaryReaderState,
+  SectionCode,
+  IExportEntry,
+  IMemoryAddress,
+  ExternalKind,
+  IFunctionType,
+  IFunctionEntry,
+  IFunctionInformation,
+  IImportEntry,
+  IOperatorInformation,
+  Type,
+  OperatorCode,
+  OperatorCodeNames,
+  Int64,
+  ITableType,
+  IMemoryType,
+  IGlobalType,
+  IResizableLimits,
+  IDataSegmentBody,
+  IGlobalVariable,
+  IElementSegment,
+  IElementSegmentBody,
+  ISectionInformation,
+  IStartEntry,
+  bytesToString,
+  INameEntry,
+  NameType,
+  IFunctionNameEntry,
+  INaming,
+  NULL_FUNCTION_INDEX,
+  isTypeIndex,
+  ILocalNameEntry,
+} from "./WasmParser.js";
 
 const NAME_SECTION_NAME = "name";
 const INVALID_NAME_SYMBOLS_REGEX = /[^0-9A-Za-z!#$%&'*+.:<=>?@^_`|~\/\-]/;
-const INVALID_NAME_SYMBOLS_REGEX_GLOBAL = new RegExp(INVALID_NAME_SYMBOLS_REGEX.source, "g");
+const INVALID_NAME_SYMBOLS_REGEX_GLOBAL = new RegExp(
+  INVALID_NAME_SYMBOLS_REGEX.source,
+  "g"
+);
 
 function typeToString(type: number): string {
   switch (type) {
-    case Type.i32: return 'i32';
-    case Type.i64: return 'i64';
-    case Type.f32: return 'f32';
-    case Type.f64: return 'f64';
-    case Type.v128: return 'v128';
-    case Type.anyfunc: return 'anyfunc';
-    case Type.anyref: return 'anyref';
-    default: throw new Error(`Unexpected type ${type}`);
+    case Type.i32:
+      return "i32";
+    case Type.i64:
+      return "i64";
+    case Type.f32:
+      return "f32";
+    case Type.f64:
+      return "f64";
+    case Type.v128:
+      return "v128";
+    case Type.anyfunc:
+      return "anyfunc";
+    case Type.anyref:
+      return "anyref";
+    default:
+      throw new Error(`Unexpected type ${type}`);
   }
 }
 function formatFloat32(n: number): string {
-  if (n === 0)
-    return (1 / n) < 0 ? '-0.0' : '0.0';
-  if (isFinite(n))
-    return n.toString();
-  if (!isNaN(n))
-    return n < 0 ? '-inf' : 'inf';
+  if (n === 0) return 1 / n < 0 ? "-0.0" : "0.0";
+  if (isFinite(n)) return n.toString();
+  if (!isNaN(n)) return n < 0 ? "-inf" : "inf";
   var view = new DataView(new ArrayBuffer(8));
   view.setFloat32(0, n, true);
   var data = view.getInt32(0, true);
-  var payload = data & 0x7FFFFF;
+  var payload = data & 0x7fffff;
   const canonicalBits = 4194304; // 0x800..0
-  if (data > 0 && payload === canonicalBits)
-    return 'nan'; // canonical NaN;
-  else if (payload === canonicalBits)
-    return '-nan';
-  return (data < 0 ? '-' : '+') + 'nan:0x' + payload.toString(16);
+  if (data > 0 && payload === canonicalBits) return "nan";
+  // canonical NaN;
+  else if (payload === canonicalBits) return "-nan";
+  return (data < 0 ? "-" : "+") + "nan:0x" + payload.toString(16);
 }
 
 function formatFloat64(n: number): string {
-  if (n === 0)
-    return (1 / n) < 0 ? '-0.0' : '0.0';
-  if (isFinite(n))
-    return n.toString();
-  if (!isNaN(n))
-    return n < 0 ? '-inf' : 'inf';
+  if (n === 0) return 1 / n < 0 ? "-0.0" : "0.0";
+  if (isFinite(n)) return n.toString();
+  if (!isNaN(n)) return n < 0 ? "-inf" : "inf";
   var view = new DataView(new ArrayBuffer(8));
@@ -73,9 +102,8 @@ view.setFloat64(0, n, true);
   var data2 = view.getInt32(4, true);
-  var payload = data1 + (data2 & 0xFFFFF) * 4294967296;
+  var payload = data1 + (data2 & 0xfffff) * 4294967296;
   const canonicalBits = 524288 * 4294967296; // 0x800..0
-  if (data2 > 0 && payload === canonicalBits)
-    return 'nan'; // canonical NaN;
-  else if (payload === canonicalBits)
-    return '-nan';
-  return (data2 < 0 ? '-' : '+') + 'nan:0x' + payload.toString(16);
+  if (data2 > 0 && payload === canonicalBits) return "nan";
+  // canonical NaN;
+  else if (payload === canonicalBits) return "-nan";
+  return (data2 < 0 ? "-" : "+") + "nan:0x" + payload.toString(16);
 }
@@ -88,3 +116,3 @@
     result.push(`0x${formatHex(dv.getInt32(i << 2, true), 8)}`);
-  return result.join(' ');
+  return result.join(" ");
 }
@@ -95,8 +123,10 @@
   var result = [];
-  for (var i = 0; i < count; i++)
-    result.push(`${dv.getInt8(i)}`);
-  return result.join(' ');
+  for (var i = 0; i < count; i++) result.push(`${dv.getInt8(i)}`);
+  return result.join(" ");
 }
 
-function memoryAddressToString(address: IMemoryAddress, code: OperatorCode): string {
+function memoryAddressToString(
+  address: IMemoryAddress,
+  code: OperatorCode
+): string {
   var defaultAlignFlags;
@@ -206,5 +236,7 @@ switch (code) {
   }
-  if (address.flags == defaultAlignFlags) // hide default flags
+  if (address.flags == defaultAlignFlags)
+    // hide default flags
     return !address.offset ? null : `offset=${address.offset}`;
-  if (!address.offset) // hide default offset
+  if (!address.offset)
+    // hide default offset
     return `align=${1 << address.flags}`;
@@ -218,17 +250,18 @@ return `offset=${address.offset | 0} align=${1 << address.flags}`;
 function limitsToString(limits: IResizableLimits): string {
-  return limits.initial + (limits.maximum !== undefined ? ' ' + limits.maximum : '');
+  return (
+    limits.initial + (limits.maximum !== undefined ? " " + limits.maximum : "")
+  );
 }
-var paddingCache = ['0', '00', '000'];
+var paddingCache = ["0", "00", "000"];
 function formatHex(n: number, width?: number): string {
   var s = (n >>> 0).toString(16).toUpperCase();
-  if (width === undefined || s.length >= width)
-    return s;
+  if (width === undefined || s.length >= width) return s;
   var paddingIndex = width - s.length - 1;
   while (paddingIndex >= paddingCache.length)
-    paddingCache.push(paddingCache[paddingCache.length - 1] + '0');
+    paddingCache.push(paddingCache[paddingCache.length - 1] + "0");
   return paddingCache[paddingIndex] + s;
 }
-const IndentIncrement: string = '  ';
+const IndentIncrement = "  ";
 
-function isValidName(name : string) {
+function isValidName(name: string) {
   return !INVALID_NAME_SYMBOLS_REGEX.test(name);
@@ -255,25 +288,33 @@ }
   public getTypeName(index: number, isRef: boolean): string {
-    return '$type' + index;
+    return "$type" + index;
   }
   public getTableName(index: number, isRef: boolean): string {
-    return '$table' + index;
+    return "$table" + index;
   }
   public getMemoryName(index: number, isRef: boolean): string {
-    return '$memory' + index;
+    return "$memory" + index;
   }
   public getGlobalName(index: number, isRef: boolean): string {
-    return '$global' + index;
+    return "$global" + index;
   }
-  public getFunctionName(index: number, isImport: boolean, isRef: boolean): string {
-    return (isImport ? '$import' : '$func') + index;
+  public getFunctionName(
+    index: number,
+    isImport: boolean,
+    isRef: boolean
+  ): string {
+    return (isImport ? "$import" : "$func") + index;
   }
-  public getVariableName(funcIndex: number, index: number, isRef: boolean): string {
-    return '$var' + index;
+  public getVariableName(
+    funcIndex: number,
+    index: number,
+    isRef: boolean
+  ): string {
+    return "$var" + index;
   }
   public getLabel(index: number): string {
-    return '$label' + index;
+    return "$label" + index;
   }
 }
 
-const EMPTY_STRING_ARRAY : string[] = [];
+const EMPTY_STRING_ARRAY: string[] = [];
 
@@ -286,3 +327,8 @@ class DevToolsExportMetadata implements IExportMetadata {
 
-  constructor(functionExportNames: string[][], globalExportNames: string[][], memoryExportNames: string[][], tableExportNames: string[][]) {
+  constructor(
+    functionExportNames: string[][],
+    globalExportNames: string[][],
+    memoryExportNames: string[][],
+    tableExportNames: string[][]
+  ) {
     this._functionExportNames = functionExportNames;
@@ -318,3 +364,9 @@ this._globalExportNames = globalExportNames;
 
-  constructor(functionNames: string[], localNames: string[][], memoryNames: string[], tableNames: string[], globalNames: string[]) {
+  constructor(
+    functionNames: string[],
+    localNames: string[][],
+    memoryNames: string[],
+    tableNames: string[],
+    globalNames: string[]
+  ) {
     super();
@@ -330,4 +382,3 @@ this._functionNames = functionNames;
     const name = this._tableNames[index];
-    if (!name)
-      return super.getTableName(index, isRef);
+    if (!name) return super.getTableName(index, isRef);
     return isRef ? `$${name}` : `$${name} (;${index};)`;
@@ -338,4 +389,3 @@ }
     const name = this._memoryNames[index];
-    if (!name)
-      return super.getMemoryName(index, isRef);
+    if (!name) return super.getMemoryName(index, isRef);
     return isRef ? `$${name}` : `$${name} (;${index};)`;
@@ -346,18 +396,24 @@ }
     const name = this._globalNames[index];
-    if (!name)
-      return super.getGlobalName(index, isRef);
+    if (!name) return super.getGlobalName(index, isRef);
     return isRef ? `$${name}` : `$${name} (;${index};)`;
   }
 
-  public getFunctionName(index: number, isImport: boolean, isRef: boolean): string {
+  public getFunctionName(
+    index: number,
+    isImport: boolean,
+    isRef: boolean
+  ): string {
     const name = this._functionNames[index];
-    if (!name)
-      return super.getFunctionName(index, isImport, isRef);
+    if (!name) return super.getFunctionName(index, isImport, isRef);
     return isRef ? `$${name}` : `$${name} (;${index};)`;
   }
 
-  public getVariableName(funcIndex: number, index: number, isRef: boolean): string {
-    const name = this._localNames[funcIndex] && this._localNames[funcIndex][index];
-    if (!name)
-      return super.getVariableName(funcIndex, index, isRef);
+  public getVariableName(
+    funcIndex: number,
+    index: number,
+    isRef: boolean
+  ): string {
+    const name =
+      this._localNames[funcIndex] && this._localNames[funcIndex][index];
+    if (!name) return super.getVariableName(funcIndex, index, isRef);
     return isRef ? `$${name}` : `$${name} (;${index};)`;
@@ -369,18 +425,26 @@ }
   public getTypeName(index: number, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+    return isRef ? "" + index : `(;${index};)`;
   }
   public getTableName(index: number, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+    return isRef ? "" + index : `(;${index};)`;
   }
   public getMemoryName(index: number, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+    return isRef ? "" + index : `(;${index};)`;
   }
   public getGlobalName(index: number, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+    return isRef ? "" + index : `(;${index};)`;
   }
-  public getFunctionName(index: number, isImport: boolean, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+  public getFunctionName(
+    index: number,
+    isImport: boolean,
+    isRef: boolean
+  ): string {
+    return isRef ? "" + index : `(;${index};)`;
   }
-  public getVariableName(funcIndex: number, index: number, isRef: boolean): string {
-    return isRef ? '' + index : `(;${index};)`;
+  public getVariableName(
+    funcIndex: number,
+    index: number,
+    isRef: boolean
+  ): string {
+    return isRef ? "" + index : `(;${index};)`;
   }
@@ -423,3 +487,8 @@ public getLabel(index: number): string {
   private _initExpression: Array<IOperatorInformation>;
-  private _backrefLabels: Array<{line:number;position:number;useLabel:boolean;label:string}>;
+  private _backrefLabels: Array<{
+    line: number;
+    position: number;
+    useLabel: boolean;
+    label: string;
+  }>;
   private _labelIndex: number;
@@ -429,3 +498,3 @@ private _indent: string;
   private _addOffsets: boolean;
-  private _skipTypes: boolean = true;
+  private _skipTypes = true;
   private _done: boolean;
@@ -443,3 +512,3 @@ private _currentPosition: number;
     this._offsets = [];
-    this._buffer = '';
+    this._buffer = "";
     this._indent = null;
@@ -476,3 +545,3 @@ this._indentLevel = 0;
     if (this._currentPosition)
-      throw new Error('Cannot switch addOffsets during processing.');
+      throw new Error("Cannot switch addOffsets during processing.");
     this._addOffsets = value;
@@ -485,3 +554,3 @@ }
     if (this._currentPosition)
-      throw new Error('Cannot switch skipTypes during processing.');
+      throw new Error("Cannot switch skipTypes during processing.");
     this._skipTypes = skipTypes;
@@ -494,3 +563,3 @@ }
     if (this._currentPosition)
-      throw new Error('Cannot switch labelMode during processing.');
+      throw new Error("Cannot switch labelMode during processing.");
     this._labelMode = value;
@@ -503,3 +572,3 @@ }
     if (this._currentPosition)
-      throw new Error('Cannot switch exportMetadata during processing.');
+      throw new Error("Cannot switch exportMetadata during processing.");
     this._exportMetadata = exportMetadata;
@@ -512,3 +581,3 @@ }
     if (this._currentPosition)
-      throw new Error('Cannot switch nameResolver during processing.');
+      throw new Error("Cannot switch nameResolver during processing.");
     this._nameResolver = resolver;
@@ -523,6 +592,5 @@ }
   private newLine() {
-    if (this.addOffsets)
-      this._offsets.push(this._currentPosition);
+    if (this.addOffsets) this._offsets.push(this._currentPosition);
     this._lines.push(this._buffer);
-    this._buffer = '';
+    this._buffer = "";
   }
@@ -545,19 +613,18 @@ private logStartOfFunctionBodyOffset() {
     var type = this._types[typeIndex];
-    if (type.form !== Type.func)
-      throw new Error('NYI other function form');
+    if (type.form !== Type.func) throw new Error("NYI other function form");
     if (type.params.length > 0) {
-      this.appendBuffer(' (param');
+      this.appendBuffer(" (param");
       for (var i = 0; i < type.params.length; i++) {
-        this.appendBuffer(' ');
+        this.appendBuffer(" ");
         this.appendBuffer(typeToString(type.params[i]));
       }
-      this.appendBuffer(')');
+      this.appendBuffer(")");
     }
     if (type.returns.length > 0) {
-      this.appendBuffer(' (result');
+      this.appendBuffer(" (result");
       for (var i = 0; i < type.returns.length; i++) {
-        this.appendBuffer(' ');
+        this.appendBuffer(" ");
         this.appendBuffer(typeToString(type.returns[i]));
       }
-      this.appendBuffer(')');
+      this.appendBuffer(")");
     }
@@ -572,13 +639,19 @@ }
     }
-    this.appendBuffer(' (result ');
+    this.appendBuffer(" (result ");
     this.appendBuffer(typeToString(type));
-    this.appendBuffer(')');
+    this.appendBuffer(")");
   }
   private printString(b: Uint8Array): void {
-    this.appendBuffer('\"');
+    this.appendBuffer('"');
     for (var i = 0; i < b.length; i++) {
       var byte = b[i];
-      if (byte < 0x20 || byte >= 0x7F ||
-          byte == /* " */ 0x22 || byte == /* \ */ 0x5c) {
-        this.appendBuffer('\\' + (byte >> 4).toString(16) + (byte & 15).toString(16));
+      if (
+        byte < 0x20 ||
+        byte >= 0x7f ||
+        byte == /* " */ 0x22 ||
+        byte == /* \ */ 0x5c
+      ) {
+        this.appendBuffer(
+          "\\" + (byte >> 4).toString(16) + (byte & 15).toString(16)
+        );
       } else {
@@ -588,11 +661,11 @@ this.appendBuffer(String.fromCharCode(byte));
     }
-    this.appendBuffer('\"');
+    this.appendBuffer('"');
   }
   private useLabel(depth: number): string {
     if (!this._backrefLabels) {
-      return '' + depth;
+      return "" + depth;
     }
     var i = this._backrefLabels.length - depth - 1;
     if (i < 0) {
-      return '' + depth;
+      return "" + depth;
     }
@@ -604,7 +677,10 @@ var backrefLabel = this._backrefLabels[i];
       var line = this._lines[backrefLabel.line];
-      this._lines[backrefLabel.line] = line.substring(0, backrefLabel.position) +
-        ' ' + backrefLabel.label + line.substring(backrefLabel.position);
+      this._lines[backrefLabel.line] =
+        line.substring(0, backrefLabel.position) +
+        " " +
+        backrefLabel.label +
+        line.substring(backrefLabel.position);
       this._labelIndex++;
     }
-    return backrefLabel.label || '' + depth;
+    return backrefLabel.label || "" + depth;
   }
@@ -619,3 +695,3 @@ private printOperator(operator: IOperatorInformation): void {
         if (this._labelMode !== LabelMode.Depth) {
-          let backrefLabel = {
+          const backrefLabel = {
             line: this._lines.length,
@@ -628,5 +704,7 @@ position: this._buffer.length,
             backrefLabel.useLabel = true;
-            backrefLabel.label = this._nameResolver.getLabel(this._labelIndex++);
+            backrefLabel.label = this._nameResolver.getLabel(
+              this._labelIndex++
+            );
             if (backrefLabel.label) {
-              this.appendBuffer(' ');
+              this.appendBuffer(" ");
               this.appendBuffer(backrefLabel.label);
@@ -643,5 +721,5 @@ }
         }
-        let backrefLabel = this._backrefLabels.pop();
+        const backrefLabel = this._backrefLabels.pop();
         if (backrefLabel.label) {
-          this.appendBuffer(' ');
+          this.appendBuffer(" ");
           this.appendBuffer(backrefLabel.label);
@@ -652,3 +730,3 @@ }
       case OperatorCode.br_if:
-        this.appendBuffer(' ');
+        this.appendBuffer(" ");
         this.appendBuffer(this.useLabel(operator.brDepth));
@@ -658,3 +736,3 @@ break;
         for (var i = 0; i < operator.brTable.length; i++) {
-          this.appendBuffer(' ');
+          this.appendBuffer(" ");
           this.appendBuffer(this.useLabel(operator.brTable[i]));
@@ -665,3 +743,7 @@ }
       case OperatorCode.return_call:
-        var funcName = this._nameResolver.getFunctionName(operator.funcIndex, operator.funcIndex < this._importCount, true);
+        var funcName = this._nameResolver.getFunctionName(
+          operator.funcIndex,
+          operator.funcIndex < this._importCount,
+          true
+        );
         this.appendBuffer(` ${funcName}`);
@@ -676,3 +758,7 @@ break;
       case OperatorCode.local_tee:
-        var paramName = this._nameResolver.getVariableName(this._funcIndex, operator.localIndex, true);
+        var paramName = this._nameResolver.getVariableName(
+          this._funcIndex,
+          operator.localIndex,
+          true
+        );
         this.appendBuffer(` ${paramName}`);
@@ -682,3 +768,6 @@ break;
       case OperatorCode.global_set:
-        var globalName = this._nameResolver.getGlobalName(operator.globalIndex, true);
+        var globalName = this._nameResolver.getGlobalName(
+          operator.globalIndex,
+          true
+        );
         this.appendBuffer(` ${globalName}`);
@@ -777,5 +866,8 @@ break;
       case OperatorCode.v128_store:
-        var memoryAddress = memoryAddressToString(operator.memoryAddress, operator.code);
+        var memoryAddress = memoryAddressToString(
+          operator.memoryAddress,
+          operator.code
+        );
         if (memoryAddress !== null) {
-          this.appendBuffer(' ');
+          this.appendBuffer(" ");
           this.appendBuffer(memoryAddress);
@@ -828,28 +920,37 @@ }
       case OperatorCode.table_get:
-      case OperatorCode.table_fill:
-        {
-          let tableName = this._nameResolver.getTableName(operator.tableIndex, true);
-          this.appendBuffer(` ${tableName}`);
+      case OperatorCode.table_fill: {
+        const tableName = this._nameResolver.getTableName(
+          operator.tableIndex,
+          true
+        );
+        this.appendBuffer(` ${tableName}`);
+        break;
+      }
+      case OperatorCode.table_copy: {
+        // Table index might be omitted and defaults to 0.
+        if (operator.tableIndex === 0 && operator.destinationIndex === 0) break;
+        const tableName = this._nameResolver.getTableName(
+          operator.tableIndex,
+          true
+        );
+        const destinationName = this._nameResolver.getTableName(
+          operator.destinationIndex,
+          true
+        );
+        this.appendBuffer(` ${destinationName} ${tableName}`);
+        break;
+      }
+      case OperatorCode.table_init: {
+        // Table index might be omitted and defaults to 0.
+        if (operator.tableIndex === 0) {
+          this.appendBuffer(` ${operator.segmentIndex}`);
           break;
         }
-      case OperatorCode.table_copy:
-        {	
-          // Table index might be omitted and defaults to 0.
-          if (operator.tableIndex === 0 && operator.destinationIndex === 0) break;
-          let tableName = this._nameResolver.getTableName(operator.tableIndex, true);	
-          let destinationName = this._nameResolver.getTableName(operator.destinationIndex, true);	
-          this.appendBuffer(` ${destinationName} ${tableName}`);	
-          break;	
-        }	
-      case OperatorCode.table_init:
-        {
-          // Table index might be omitted and defaults to 0.
-          if (operator.tableIndex === 0) {
-            this.appendBuffer(` ${operator.segmentIndex}`);
-            break;
-          }
-          let tableName = this._nameResolver.getTableName(operator.tableIndex, true);	
-          this.appendBuffer(` ${operator.segmentIndex} ${tableName}`);	
-          break;	
-        }           
+        const tableName = this._nameResolver.getTableName(
+          operator.tableIndex,
+          true
+        );
+        this.appendBuffer(` ${operator.segmentIndex} ${tableName}`);
+        break;
+      }
     }
@@ -859,3 +960,3 @@ }
     this.printString(info.module);
-    this.appendBuffer(' ');
+    this.appendBuffer(" ");
     this.printString(info.field);
@@ -872,5 +973,4 @@ }
   public disassemble(reader: BinaryReader): string {
-    let done = this.disassembleChunk(reader);
-    if (!done)
-      return null;
+    const done = this.disassembleChunk(reader);
+    if (!done) return null;
     let lines = this._lines;
@@ -880,7 +980,7 @@ if (this._addOffsets) {
         var position = formatHex(this._offsets[index], 4);
-        return line + ' ;; @' + position;
+        return line + " ;; @" + position;
       });
     }
-    lines.push(''); // we need '\n' after last line
-    let result = lines.join('\n');
+    lines.push(""); // we need '\n' after last line
+    const result = lines.join("\n");
     this._lines.length = 0;
@@ -895,4 +995,3 @@ this._offsets.length = 0;
       this._backrefLabels.some((backrefLabel) => {
-        if (backrefLabel.useLabel)
-          return false;
+        if (backrefLabel.useLabel) return false;
         linesReady = backrefLabel.line;
@@ -908,10 +1007,12 @@ return true;
         functionBodyOffsets: this._addOffsets ? [] : undefined,
-      }
+      };
     }
     if (linesReady === this._lines.length) {
-      let result = {
+      const result = {
         lines: this._lines,
         offsets: this._addOffsets ? this._offsets : undefined,
         done: this._done,
-        functionBodyOffsets: this._addOffsets ? this._functionBodyOffsets : undefined,
+        functionBodyOffsets: this._addOffsets
+          ? this._functionBodyOffsets
+          : undefined,
       };
@@ -925,7 +1026,11 @@ this._lines = [];
     }
-    let result = {
+    const result = {
       lines: this._lines.splice(0, linesReady),
-      offsets: this._addOffsets ? this._offsets.splice(0, linesReady) : undefined,
+      offsets: this._addOffsets
+        ? this._offsets.splice(0, linesReady)
+        : undefined,
       done: false,
-      functionBodyOffsets: this._addOffsets ? this._functionBodyOffsets : undefined,
+      functionBodyOffsets: this._addOffsets
+        ? this._functionBodyOffsets
+        : undefined,
     };
@@ -939,8 +1044,10 @@ if (this._backrefLabels) {
   }
-  public disassembleChunk(reader: BinaryReader, offsetInModule: number = 0): boolean {
+  public disassembleChunk(reader: BinaryReader, offsetInModule = 0): boolean {
     if (this._done)
-      throw new Error('Invalid state: disassembly process was already finished.')
+      throw new Error(
+        "Invalid state: disassembly process was already finished."
+      );
     while (true) {
       if (this._maxLines && this._lines.length >= this._maxLines) {
-        this.appendBuffer(';; -- text is truncated due to size --');
+        this.appendBuffer(";; -- text is truncated due to size --");
         this.newLine();
@@ -950,7 +1057,6 @@ return true;
       this._currentPosition = reader.position + offsetInModule;
-      if (!reader.read())
-        return false;
+      if (!reader.read()) return false;
       switch (reader.state) {
         case BinaryReaderState.END_WASM:
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this.newLine();
@@ -966,3 +1072,3 @@ this._reset();
         case BinaryReaderState.BEGIN_WASM:
-          this.appendBuffer('(module');
+          this.appendBuffer("(module");
           this.newLine();
@@ -998,3 +1104,5 @@ break;
           if (this._exportMetadata !== null) {
-            for (const exportName of this._exportMetadata.getMemoryExportNames(memoryIndex)) {
+            for (const exportName of this._exportMetadata.getMemoryExportNames(
+              memoryIndex
+            )) {
               this.appendBuffer(` (export "${exportName}")`);
@@ -1007,3 +1115,3 @@ }
           }
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this.newLine();
@@ -1017,7 +1125,13 @@ break;
           if (this._exportMetadata !== null) {
-            for (const exportName of this._exportMetadata.getTableExportNames(tableIndex)) {
+            for (const exportName of this._exportMetadata.getTableExportNames(
+              tableIndex
+            )) {
               this.appendBuffer(` (export "${exportName}")`);
             }
           }
-          this.appendBuffer(` ${limitsToString(tableInfo.limits)} ${typeToString(tableInfo.elementType)})`);
+          this.appendBuffer(
+            ` ${limitsToString(tableInfo.limits)} ${typeToString(
+              tableInfo.elementType
+            )})`
+          );
           this.newLine();
@@ -1030,20 +1144,33 @@ break;
             var exportInfo = <IExportEntry>reader.result;
-            this.appendBuffer('  (export ');
+            this.appendBuffer("  (export ");
             this.printString(exportInfo.field);
-            this.appendBuffer(' ');
+            this.appendBuffer(" ");
             switch (exportInfo.kind) {
               case ExternalKind.Function:
-                var funcName = this._nameResolver.getFunctionName(exportInfo.index, exportInfo.index < this._importCount, true);
+                var funcName = this._nameResolver.getFunctionName(
+                  exportInfo.index,
+                  exportInfo.index < this._importCount,
+                  true
+                );
                 this.appendBuffer(`(func ${funcName})`);
                 break;
               case ExternalKind.Table:
-                var tableName = this._nameResolver.getTableName(exportInfo.index, true);
+                var tableName = this._nameResolver.getTableName(
+                  exportInfo.index,
+                  true
+                );
                 this.appendBuffer(`(table ${tableName})`);
                 break;
               case ExternalKind.Memory:
-                var memoryName = this._nameResolver.getMemoryName(exportInfo.index, true);
+                var memoryName = this._nameResolver.getMemoryName(
+                  exportInfo.index,
+                  true
+                );
                 this.appendBuffer(`(memory ${memoryName})`);
                 break;
               case ExternalKind.Global:
-                var globalName = this._nameResolver.getGlobalName(exportInfo.index, true);
+                var globalName = this._nameResolver.getGlobalName(
+                  exportInfo.index,
+                  true
+                );
                 this.appendBuffer(`(global ${globalName})`);
@@ -1054,3 +1181,3 @@ break;
             }
-            this.appendBuffer(')');
+            this.appendBuffer(")");
             this.newLine();
@@ -1065,6 +1192,12 @@ }
               var funcIndex = this._funcIndex++;
-              var funcName = this._nameResolver.getFunctionName(funcIndex, true, false);
+              var funcName = this._nameResolver.getFunctionName(
+                funcIndex,
+                true,
+                false
+              );
               this.appendBuffer(`  (func ${funcName}`);
               if (this._exportMetadata !== null) {
-                for (const exportName of this._exportMetadata.getFunctionExportNames(funcIndex)) {
+                for (const exportName of this._exportMetadata.getFunctionExportNames(
+                  funcIndex
+                )) {
                   this.appendBuffer(` (export "${exportName}")`);
@@ -1075,5 +1208,5 @@ }
               this.printImportSource(importInfo);
-              this.appendBuffer(')');
+              this.appendBuffer(")");
               this.printFuncType(importInfo.funcTypeIndex);
-              this.appendBuffer(')');
+              this.appendBuffer(")");
               break;
@@ -1083,6 +1216,11 @@ case ExternalKind.Global:
               var globalIndex = this._globalCount++;
-              var globalName = this._nameResolver.getGlobalName(globalIndex, false);
+              var globalName = this._nameResolver.getGlobalName(
+                globalIndex,
+                false
+              );
               this.appendBuffer(`  (global ${globalName}`);
               if (this._exportMetadata !== null) {
-                for (const exportName of this._exportMetadata.getGlobalExportNames(globalIndex)) {
+                for (const exportName of this._exportMetadata.getGlobalExportNames(
+                  globalIndex
+                )) {
                   this.appendBuffer(` (export "${exportName}")`);
@@ -1098,6 +1236,11 @@ }
               var memoryIndex = this._memoryCount++;
-              var memoryName = this._nameResolver.getMemoryName(memoryIndex, false);
+              var memoryName = this._nameResolver.getMemoryName(
+                memoryIndex,
+                false
+              );
               this.appendBuffer(`  (memory ${memoryName}`);
               if (this._exportMetadata !== null) {
-                for (const exportName of this._exportMetadata.getMemoryExportNames(memoryIndex)) {
+                for (const exportName of this._exportMetadata.getMemoryExportNames(
+                  memoryIndex
+                )) {
                   this.appendBuffer(` (export "${exportName}")`);
@@ -1112,3 +1255,3 @@ }
               }
-              this.appendBuffer(')');
+              this.appendBuffer(")");
               break;
@@ -1118,6 +1261,11 @@ case ExternalKind.Table:
               var tableIndex = this._tableCount++;
-              var tableName = this._nameResolver.getTableName(tableIndex, false);
+              var tableName = this._nameResolver.getTableName(
+                tableIndex,
+                false
+              );
               this.appendBuffer(`  (table ${tableName}`);
               if (this._exportMetadata !== null) {
-                for (const exportName of this._exportMetadata.getTableExportNames(tableIndex)) {
+                for (const exportName of this._exportMetadata.getTableExportNames(
+                  tableIndex
+                )) {
                   this.appendBuffer(` (export "${exportName}")`);
@@ -1128,3 +1276,7 @@ }
               this.printImportSource(importInfo);
-              this.appendBuffer(`) ${limitsToString(tableImportInfo.limits)} ${typeToString(tableImportInfo.elementType)})`);
+              this.appendBuffer(
+                `) ${limitsToString(tableImportInfo.limits)} ${typeToString(
+                  tableImportInfo.elementType
+                )})`
+              );
               break;
@@ -1138,24 +1290,32 @@ default:
           var elementSegmentInfo = <IElementSegment>reader.result;
-          this.appendBuffer('  (elem ');
+          this.appendBuffer("  (elem ");
           break;
         case BinaryReaderState.END_ELEMENT_SECTION_ENTRY:
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this.newLine();
           break;
         case BinaryReaderState.ELEMENT_SECTION_ENTRY_BODY:
-          let elementSegmentBody = <IElementSegmentBody>reader.result;
+          const elementSegmentBody = <IElementSegmentBody>reader.result;
           if (elementSegmentBody.elementType != Type.unspecified) {
-            let typeName = typeToString(elementSegmentBody.elementType);
+            const typeName = typeToString(elementSegmentBody.elementType);
             this.appendBuffer(` ${typeName}`);
           }
-          elementSegmentBody.elements.forEach(funcIndex => {
+          elementSegmentBody.elements.forEach((funcIndex) => {
             if (elementSegmentBody.asElements) {
               if (funcIndex == NULL_FUNCTION_INDEX) {
-                this.appendBuffer(' (ref.null)');
+                this.appendBuffer(" (ref.null)");
               } else {
-                let funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
+                const funcName = this._nameResolver.getFunctionName(
+                  funcIndex,
+                  funcIndex < this._importCount,
+                  true
+                );
                 this.appendBuffer(` (ref.func ${funcName})`);
               }
             } else {
-              let funcName = this._nameResolver.getFunctionName(funcIndex, funcIndex < this._importCount, true);
+              const funcName = this._nameResolver.getFunctionName(
+                funcIndex,
+                funcIndex < this._importCount,
+                true
+              );
               this.appendBuffer(` ${funcName}`);
@@ -1171,3 +1331,5 @@ }
           if (this._exportMetadata !== null) {
-            for (const exportName of this._exportMetadata.getGlobalExportNames(globalIndex)) {
+            for (const exportName of this._exportMetadata.getGlobalExportNames(
+              globalIndex
+            )) {
               this.appendBuffer(` (export "${exportName}")`);
@@ -1179,3 +1341,3 @@ }
         case BinaryReaderState.END_GLOBAL_SECTION_ENTRY:
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this.newLine();
@@ -1191,3 +1353,3 @@ break;
             this.printFuncType(typeIndex);
-            this.appendBuffer('))');
+            this.appendBuffer("))");
             this.newLine();
@@ -1198,3 +1360,7 @@ }
           var startEntry = <IStartEntry>reader.result;
-          var funcName = this._nameResolver.getFunctionName(startEntry.index, startEntry.index < this._importCount, true);
+          var funcName = this._nameResolver.getFunctionName(
+            startEntry.index,
+            startEntry.index < this._importCount,
+            true
+          );
           this.appendBuffer(`  (start ${funcName})`);
@@ -1204,11 +1370,11 @@ this.newLine();
         case BinaryReaderState.BEGIN_DATA_SECTION_ENTRY:
-          this.appendBuffer('  (data ');
+          this.appendBuffer("  (data ");
           break;
         case BinaryReaderState.DATA_SECTION_ENTRY_BODY:
           var body = <IDataSegmentBody>reader.result;
-          this.appendBuffer(' ');
+          this.appendBuffer(" ");
           this.printString(body.data);
           break;
         case BinaryReaderState.END_DATA_SECTION_ENTRY:
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this.newLine();
@@ -1219,6 +1385,6 @@ break;
         case BinaryReaderState.INIT_EXPRESSION_OPERATOR:
-           this._initExpression.push(<IOperatorInformation>reader.result);
-           break;
+          this._initExpression.push(<IOperatorInformation>reader.result);
+          break;
         case BinaryReaderState.END_INIT_EXPRESSION_BODY:
-          this.appendBuffer('(');
+          this.appendBuffer("(");
           // TODO fix printing when more that one operator is used.
@@ -1230,7 +1396,7 @@ this._initExpression.forEach((op, index) => {
             if (index > 0) {
-              this.appendBuffer(' ');
+              this.appendBuffer(" ");
             }
             this.printOperator(op);
           });
-          this.appendBuffer(')');
+          this.appendBuffer(")");
           this._initExpression.length = 0;
@@ -1243,7 +1409,13 @@ break;
           var func = <IFunctionInformation>reader.result;
-          var type = this._types[this._funcTypes[this._funcIndex - this._importCount]];
-          this.appendBuffer('  (func ');
-          this.appendBuffer(this._nameResolver.getFunctionName(this._funcIndex, false, false));
+          var type = this._types[
+            this._funcTypes[this._funcIndex - this._importCount]
+          ];
+          this.appendBuffer("  (func ");
+          this.appendBuffer(
+            this._nameResolver.getFunctionName(this._funcIndex, false, false)
+          );
           if (this._exportMetadata !== null) {
-            for (const exportName of this._exportMetadata.getFunctionExportNames(this._funcIndex)) {
+            for (const exportName of this._exportMetadata.getFunctionExportNames(
+              this._funcIndex
+            )) {
               this.appendBuffer(` (export "${exportName}")`);
@@ -1253,4 +1425,10 @@ }
           for (var i = 0; i < type.params.length; i++) {
-            var paramName = this._nameResolver.getVariableName(this._funcIndex, i, false);
-            this.appendBuffer(` (param ${paramName} ${typeToString(type.params[i])})`);
+            var paramName = this._nameResolver.getVariableName(
+              this._funcIndex,
+              i,
+              false
+            );
+            this.appendBuffer(
+              ` (param ${paramName} ${typeToString(type.params[i])})`
+            );
           }
@@ -1263,7 +1441,13 @@ for (var i = 0; i < type.returns.length; i++) {
           if (func.locals.length > 0) {
-            this.appendBuffer('   ');
+            this.appendBuffer("   ");
             for (var l of func.locals) {
               for (var i = 0; i < l.count; i++) {
-                var paramName = this._nameResolver.getVariableName(this._funcIndex, localIndex++, false);
-                this.appendBuffer(` (local ${paramName} ${typeToString(l.type)})`);
+                var paramName = this._nameResolver.getVariableName(
+                  this._funcIndex,
+                  localIndex++,
+                  false
+                );
+                this.appendBuffer(
+                  ` (local ${paramName} ${typeToString(l.type)})`
+                );
               }
@@ -1273,3 +1457,3 @@ }
           }
-          this._indent = '    ';
+          this._indent = "    ";
           this._indentLevel = 0;
@@ -1337,4 +1521,3 @@ this._labelIndex = 0;
     const name = this._names[index];
-    if (!name)
-      return `$${UNKNOWN_FUNCTION_PREFIX}${index}`;
+    if (!name) return `$${UNKNOWN_FUNCTION_PREFIX}${index}`;
     return isRef ? `$${name}` : `$${name} (;${index};)`;
@@ -1344,3 +1527,4 @@ }
   getVariableName(funcIndex: number, index: number, isRef: boolean): string {
-    const name = this._localNames[funcIndex] && this._localNames[funcIndex][index];
+    const name =
+      this._localNames[funcIndex] && this._localNames[funcIndex][index];
     if (!name) return super.getVariableName(funcIndex, index, isRef);
@@ -1370,6 +1554,7 @@ return isRef ? `$${name}` : `$${name} (;${index};)`;
     if (this._done)
-      throw new Error('Invalid state: disassembly process was already finished.')
+      throw new Error(
+        "Invalid state: disassembly process was already finished."
+      );
     while (true) {
-      if (!reader.read())
-        return false;
+      if (!reader.read()) return false;
       switch (reader.state) {
@@ -1395,8 +1580,12 @@ case BinaryReaderState.END_WASM:
           var sectionInfo = <ISectionInformation>reader.result;
-          if (sectionInfo.id === SectionCode.Custom &&
-              bytesToString(sectionInfo.name) === NAME_SECTION_NAME) {
+          if (
+            sectionInfo.id === SectionCode.Custom &&
+            bytesToString(sectionInfo.name) === NAME_SECTION_NAME
+          ) {
             break;
           }
-          if (sectionInfo.id === SectionCode.Function ||
-              sectionInfo.id === SectionCode.Import) {
+          if (
+            sectionInfo.id === SectionCode.Function ||
+            sectionInfo.id === SectionCode.Import
+          ) {
             break;
@@ -1424,6 +1613,8 @@ }
             var localNameInfo = <ILocalNameEntry>nameInfo;
-            localNameInfo.funcs.forEach(localName => {
+            localNameInfo.funcs.forEach((localName) => {
               this._functionLocalNames[localName.index] = [];
               localName.locals.forEach((naming: INaming) => {
-                this._functionLocalNames[localName.index][naming.index] = bytesToString(naming.name);
+                this._functionLocalNames[localName.index][
+                  naming.index
+                ] = bytesToString(naming.name);
               });
@@ -1445,7 +1636,7 @@ });
   public getNameResolver(): INameResolver {
-    if (!this.hasValidNames())
-      throw new Error("Has no valid name section");
+    if (!this.hasValidNames()) throw new Error("Has no valid name section");
 
     // Fix bad names.
-    const functionNamesLength = this._functionImportsCount + this._functionsCount;
+    const functionNamesLength =
+      this._functionImportsCount + this._functionsCount;
     const functionNames = this._functionNames.slice(0, functionNamesLength);
@@ -1455,7 +1646,7 @@ const usedNameAt = Object.create(null);
       const name = functionNames[i];
-      if (!name)
-        continue;
-      const goodName = !(name in usedNameAt) &&
-                       isValidName(name) &&
-                       name.indexOf(UNKNOWN_FUNCTION_PREFIX) !== 0;
+      if (!name) continue;
+      const goodName =
+        !(name in usedNameAt) &&
+        isValidName(name) &&
+        name.indexOf(UNKNOWN_FUNCTION_PREFIX) !== 0;
       if (!goodName) {
@@ -1478,7 +1669,7 @@ if (usedNameAt[name] >= 0) {
 export class DevToolsNameGenerator {
-  private _done: boolean = false;
-  private _functionImportsCount: number = 0;
-  private _memoryImportsCount: number = 0;
-  private _tableImportsCount: number = 0;
-  private _globalImportsCount: number = 0;
+  private _done = false;
+  private _functionImportsCount = 0;
+  private _memoryImportsCount = 0;
+  private _tableImportsCount = 0;
+  private _globalImportsCount = 0;
 
@@ -1496,4 +1687,2 @@ private _functionNames: string[] = null;
 
-  constructor() { }
-
   private _addExportName(exportNames: string[][], index: number, name: string) {
@@ -1508,3 +1697,8 @@ const names = exportNames[index];
 
-  private _setName(names: string[], index: number, name: string, isNameSectionName: boolean) {
+  private _setName(
+    names: string[],
+    index: number,
+    name: string,
+    isNameSectionName: boolean
+  ) {
     if (!name) return;
@@ -1515,3 +1709,3 @@ if (isNameSectionName) {
     } else if (!names[index]) {
-      names[index] = name.replace(INVALID_NAME_SYMBOLS_REGEX_GLOBAL, '_');
+      names[index] = name.replace(INVALID_NAME_SYMBOLS_REGEX_GLOBAL, "_");
     }
@@ -1522,6 +1716,7 @@ }
     if (this._done)
-    throw new Error('Invalid state: disassembly process was already finished.')
+      throw new Error(
+        "Invalid state: disassembly process was already finished."
+      );
     while (true) {
-      if (!reader.read())
-        return false;
+      if (!reader.read()) return false;
       switch (reader.state) {
@@ -1557,4 +1752,6 @@ case BinaryReaderState.END_WASM:
 
-          if (sectionInfo.id === SectionCode.Custom &&
-              bytesToString(sectionInfo.name) === NAME_SECTION_NAME) {
+          if (
+            sectionInfo.id === SectionCode.Custom &&
+            bytesToString(sectionInfo.name) === NAME_SECTION_NAME
+          ) {
             break;
@@ -1573,15 +1770,37 @@ }
           var importInfo = <IImportEntry>reader.result;
-          const importName = `${bytesToString(importInfo.module)}.${bytesToString(importInfo.field)}`;
+          const importName = `${bytesToString(
+            importInfo.module
+          )}.${bytesToString(importInfo.field)}`;
           switch (importInfo.kind) {
             case ExternalKind.Function:
-              this._setName(this._functionNames, this._functionImportsCount++, importName, false);
+              this._setName(
+                this._functionNames,
+                this._functionImportsCount++,
+                importName,
+                false
+              );
               break;
             case ExternalKind.Table:
-              this._setName(this._tableNames, this._tableImportsCount++, importName, false);
+              this._setName(
+                this._tableNames,
+                this._tableImportsCount++,
+                importName,
+                false
+              );
               break;
             case ExternalKind.Memory:
-              this._setName(this._memoryNames, this._memoryImportsCount++, importName, false);
+              this._setName(
+                this._memoryNames,
+                this._memoryImportsCount++,
+                importName,
+                false
+              );
               break;
             case ExternalKind.Global:
-              this._setName(this._globalNames, this._globalImportsCount++, importName, false);
+              this._setName(
+                this._globalNames,
+                this._globalImportsCount++,
+                importName,
+                false
+              );
               break;
@@ -1597,10 +1816,17 @@ default:
             functionNameInfo.names.forEach((naming: INaming) => {
-              this._setName(this._functionNames, naming.index, bytesToString(naming.name), true);
+              this._setName(
+                this._functionNames,
+                naming.index,
+                bytesToString(naming.name),
+                true
+              );
             });
           } else if (nameInfo.type === NameType.Local) {
             var localNameInfo = <ILocalNameEntry>nameInfo;
-            localNameInfo.funcs.forEach(localName => {
+            localNameInfo.funcs.forEach((localName) => {
               this._functionLocalNames[localName.index] = [];
               localName.locals.forEach((naming: INaming) => {
-                this._functionLocalNames[localName.index][naming.index] = bytesToString(naming.name);
+                this._functionLocalNames[localName.index][
+                  naming.index
+                ] = bytesToString(naming.name);
               });
@@ -1615,16 +1841,52 @@ });
             case ExternalKind.Function:
-              this._addExportName(this._functionExportNames, exportInfo.index, exportName);
-              this._setName(this._functionNames, exportInfo.index, exportName, false);
+              this._addExportName(
+                this._functionExportNames,
+                exportInfo.index,
+                exportName
+              );
+              this._setName(
+                this._functionNames,
+                exportInfo.index,
+                exportName,
+                false
+              );
               break;
             case ExternalKind.Global:
-              this._addExportName(this._globalExportNames, exportInfo.index, exportName);
-              this._setName(this._globalNames, exportInfo.index, exportName, false);
+              this._addExportName(
+                this._globalExportNames,
+                exportInfo.index,
+                exportName
+              );
+              this._setName(
+                this._globalNames,
+                exportInfo.index,
+                exportName,
+                false
+              );
               break;
             case ExternalKind.Memory:
-              this._addExportName(this._memoryExportNames, exportInfo.index, exportName);
-              this._setName(this._memoryNames, exportInfo.index, exportName, false);
+              this._addExportName(
+                this._memoryExportNames,
+                exportInfo.index,
+                exportName
+              );
+              this._setName(
+                this._memoryNames,
+                exportInfo.index,
+                exportName,
+                false
+              );
               break;
             case ExternalKind.Table:
-              this._addExportName(this._tableExportNames, exportInfo.index, exportName);
-              this._setName(this._tableNames, exportInfo.index, exportName, false);
+              this._addExportName(
+                this._tableExportNames,
+                exportInfo.index,
+                exportName
+              );
+              this._setName(
+                this._tableNames,
+                exportInfo.index,
+                exportName,
+                false
+              );
               break;
@@ -1642,10 +1904,19 @@ default:
   public getExportMetadata(): IExportMetadata {
-    return new DevToolsExportMetadata(this._functionExportNames, this._globalExportNames,
-                                      this._memoryExportNames, this._tableExportNames);
+    return new DevToolsExportMetadata(
+      this._functionExportNames,
+      this._globalExportNames,
+      this._memoryExportNames,
+      this._tableExportNames
+    );
   }
 
   public getNameResolver(): INameResolver {
-    return new DevToolsNameResolver(this._functionNames, this._functionLocalNames,
-                                    this._memoryNames, this._tableNames, this._globalNames);
+    return new DevToolsNameResolver(
+      this._functionNames,
+      this._functionLocalNames,
+      this._memoryNames,
+      this._tableNames,
+      this._globalNames
+    );
   }
 }

src/WasmEmitter.ts

@@ -16,11 +16,42 @@ /* Copyright 2017 Mozilla Foundation
 import {
-  BinaryReader, BinaryReaderState, BinaryReaderResult, SectionCode, OperatorCode,
-  IModuleHeader, ISectionInformation, IFunctionType, IImportEntry, ExternalKind,
-  ITableType, IMemoryType, IGlobalType, IResizableLimits, IFunctionEntry,
-  IExportEntry, IFunctionInformation, IOperatorInformation, Int64, IMemoryAddress,
-  IBinaryReaderData, IDataSegment, IDataSegmentBody, IElementSegment, IElementSegmentBody,
-  IGlobalVariable, bytesToString, IRelocHeader, IRelocEntry, RelocType,
-  INameEntry, NameType, IModuleNameEntry, IFunctionNameEntry, ILocalNameEntry,
-  INaming, ILinkingEntry, LinkingType, ISourceMappingURL,
-} from './WasmParser.js';
+  BinaryReader,
+  BinaryReaderState,
+  BinaryReaderResult,
+  SectionCode,
+  OperatorCode,
+  IModuleHeader,
+  ISectionInformation,
+  IFunctionType,
+  IImportEntry,
+  ExternalKind,
+  ITableType,
+  IMemoryType,
+  IGlobalType,
+  IResizableLimits,
+  IFunctionEntry,
+  IExportEntry,
+  IFunctionInformation,
+  IOperatorInformation,
+  Int64,
+  IMemoryAddress,
+  IBinaryReaderData,
+  IDataSegment,
+  IDataSegmentBody,
+  IElementSegment,
+  IElementSegmentBody,
+  IGlobalVariable,
+  bytesToString,
+  IRelocHeader,
+  IRelocEntry,
+  RelocType,
+  INameEntry,
+  NameType,
+  IModuleNameEntry,
+  IFunctionNameEntry,
+  ILocalNameEntry,
+  INaming,
+  ILinkingEntry,
+  LinkingType,
+  ISourceMappingURL,
+} from "./WasmParser.js";
 
@@ -101,3 +132,6 @@ enum EmitterState {
 
-  private writeStateAndResult(state: BinaryReaderState, result: BinaryReaderResult): void {
+  private writeStateAndResult(
+    state: BinaryReaderState,
+    result: BinaryReaderResult
+  ): void {
     switch (state) {
@@ -214,3 +248,3 @@ case BinaryReaderState.BEGIN_WASM:
   private writeVarUint(n: number): void {
-    while ((n & ~0x7F)) {
+    while (n & ~0x7f) {
       this.writeByte(0x80 | (n & 0x7f));
@@ -225,3 +259,3 @@ n >>>= 7;
     var test = n >> 31;
-    while ((n >> 6) != test) {
+    while (n >> 6 != test) {
       this.writeByte(0x80 | (n & 0x7f));
@@ -245,4 +279,3 @@ n >>= 7;
   private writeBytes(bytes: Uint8Array, start: number, end: number): void {
-    for (var i = start; i < end; i++)
-      this.writeByte(bytes[i]);
+    for (var i = start; i < end; i++) this.writeByte(bytes[i]);
   }
@@ -256,7 +289,7 @@
   private patchVarUint32(pos: number, n: number): void {
-    this.patchByte(pos, 0x80 | (n & 0x7F));
-    this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7F));
-    this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7F));
-    this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7F));
-    this.patchByte(pos + 4, ((n >>> 28) & 0x7F));
+    this.patchByte(pos, 0x80 | (n & 0x7f));
+    this.patchByte(pos + 1, 0x80 | ((n >>> 7) & 0x7f));
+    this.patchByte(pos + 2, 0x80 | ((n >>> 14) & 0x7f));
+    this.patchByte(pos + 3, 0x80 | ((n >>> 21) & 0x7f));
+    this.patchByte(pos + 4, (n >>> 28) & 0x7f);
   }
@@ -271,3 +304,5 @@
     if (states.indexOf(this._state) < 0)
-      throw new Error(`Unexpected state: ${this._state} (expected one of ${states}).`);
+      throw new Error(
+        `Unexpected state: ${this._state} (expected one of ${states}).`
+      );
   }
@@ -277,3 +312,3 @@
     if (!this._endWritten)
-      throw new Error('End as a last written operator is expected.');
+      throw new Error("End as a last written operator is expected.");
   }
@@ -303,15 +338,15 @@
         var sectionName = bytesToString(section.name);
-        if (sectionName === 'name') {
+        if (sectionName === "name") {
           this._state = EmitterState.NameEntry;
           break;
         }
-        if (sectionName.indexOf('reloc.') === 0) {
+        if (sectionName.indexOf("reloc.") === 0) {
           this._state = EmitterState.RelocHeader;
           break;
         }
-        if (sectionName === 'linking') {
+        if (sectionName === "linking") {
           this._state = EmitterState.LinkingEntry;
           break;
         }
-        if (sectionName === 'sourceMappingURL') {
+        if (sectionName === "sourceMappingURL") {
           this._state = EmitterState.SourceMappingURL;
@@ -406,4 +441,3 @@ break;
     this.writeVarUint(limits.initial);
-    if (flags)
-      this.writeVarUint(limits.maximum);
+    if (flags) this.writeVarUint(limits.maximum);
   }
@@ -554,3 +588,5 @@
       default:
-        throw new Error(`Unexpected state ${this._state} at writeEndInitExpression`);
+        throw new Error(
+          `Unexpected state ${this._state} at writeEndInitExpression`
+        );
     }
@@ -573,15 +609,16 @@ this._endWritten = false;
   private writeVarInt64(n: Int64): void {
-    var pos = 0, end = 7;
+    var pos = 0,
+      end = 7;
     var highBit = n.data[end] & 0x80;
-    var optionalBits = highBit ? 0xFF : 0;
+    var optionalBits = highBit ? 0xff : 0;
     while (end > 0 && n.data[end] === optionalBits) {
       end--;
     }
-    var buffer = n.data[pos], buffered = 8;
+    var buffer = n.data[pos],
+      buffered = 8;
     do {
-      this.writeByte(0x80 | (buffer & 0x7F));
+      this.writeByte(0x80 | (buffer & 0x7f));
       buffer >>= 7;
       buffered -= 7;
-      if (buffered > 7)
-        continue;
+      if (buffered > 7) continue;
       if (pos < end) {
@@ -591,4 +628,7 @@ ++pos;
         buffered += 8;
-      } else if (pos == end && buffer === 7 &&
-                 (n.data[pos] & 0x80) !== highBit) {
+      } else if (
+        pos == end &&
+        buffer === 7 &&
+        (n.data[pos] & 0x80) !== highBit
+      ) {
         ++pos;
@@ -616,3 +656,6 @@ buffer |= optionalBits << buffered;
   public writeOperator(opInfo: IOperatorInformation): void {
-    this.ensureEitherState([EmitterState.FunctionBody, EmitterState.InitExpression]);
+    this.ensureEitherState([
+      EmitterState.FunctionBody,
+      EmitterState.InitExpression,
+    ]);
     if (opInfo.code < 0x100) {
@@ -638,3 +681,4 @@ this.writeByte(opInfo.code);
         this.writeVarUint(tableCount);
-        for (var i = 0; i <= tableCount; i++) { // including default
+        for (var i = 0; i <= tableCount; i++) {
+          // including default
           this.writeVarUint(opInfo.brTable[i]);
@@ -757,3 +801,3 @@ }
       case OperatorCode.i32_const:
-        this.writeVarInt(<number>opInfo.literal | 0);
+        this.writeVarInt((<number>opInfo.literal) | 0);
         break;
@@ -802,3 +846,3 @@ case OperatorCode.i64_const:
     this.writeVarUint(map.length);
-    map.forEach(naming => {
+    map.forEach((naming) => {
       this.writeVarUint(naming.index);
@@ -824,3 +868,3 @@ this.writeString(naming.name);
         this.writeVarUint(funcs.length);
-        funcs.forEach(func => {
+        funcs.forEach((func) => {
           this.writeVarUint(func.index);
@@ -900,3 +944,6 @@ this.writeNameMap(func.locals);
       case EmitterState.LinkingEntry:
-        this.patchVarUint32(this._sectionEntiesCountBytes, this._sectionEntiesCount);
+        this.patchVarUint32(
+          this._sectionEntiesCountBytes,
+          this._sectionEntiesCount
+        );
         break;
@@ -908,3 +955,5 @@ case EmitterState.NameEntry:
       default:
-        throw new Error(`Unexpected state: ${this._state} (expected section state)`);
+        throw new Error(
+          `Unexpected state: ${this._state} (expected section state)`
+        );
     }
@@ -911,0 +960,0 @@ var sectionLength = this._position - this._sectionStart;

src/WasmParserTransform.ts

@@ -16,6 +16,6 @@ /* Copyright 2016 Mozilla Foundation
 
-import { Transform } from 'stream';
-import { BinaryReader, BinaryReaderState } from './WasmParser.js';
+import { Transform } from "stream";
+import { BinaryReader, BinaryReaderState } from "./WasmParser.js";
 
-export { BinaryReaderState, SectionCode } from './WasmParser.js';
+export { BinaryReaderState, SectionCode } from "./WasmParser.js";
 
@@ -29,3 +29,3 @@ export class BinaryReaderTransform extends Transform {
     super({
-      readableObjectMode: true
+      readableObjectMode: true,
     });
@@ -37,4 +37,10 @@ this._buffer = new ArrayBuffer(1024);
 
-  public _transform(chunk: any, encoding: BufferEncoding, callback: Function): void {
-    var buf: Buffer = Buffer.isBuffer(chunk) ? <Buffer>chunk : Buffer.from(chunk, encoding);
+  public _transform(
+    chunk: any,
+    encoding: BufferEncoding,
+    callback: () => void
+  ): void {
+    var buf: Buffer = Buffer.isBuffer(chunk)
+      ? <Buffer>chunk
+      : Buffer.from(chunk, encoding);
     var bufferNeeded = this._bufferSize + buf.length;
@@ -48,3 +54,6 @@ if (bufferNeeded > this._buffer.byteLength) {
     var arr = new Uint8Array(this._buffer, 0, bufferNeeded);
-    arr.set(new Uint8Array(buf.buffer, buf.byteOffset, buf.length), this._bufferSize);
+    arr.set(
+      new Uint8Array(buf.buffer, buf.byteOffset, buf.length),
+      this._bufferSize
+    );
     this._bufferSize = bufferNeeded;
@@ -56,3 +65,3 @@ var parser = this._parser;
         state: parser.state,
-        result: parser.result
+        result: parser.result,
       });
@@ -63,3 +72,3 @@ }
       if (left > 0) {
-        arr.set(arr.subarray(parser.position, parser.length))
+        arr.set(arr.subarray(parser.position, parser.length));
       }
@@ -71,3 +80,3 @@ this._bufferSize = left;
 
-  public _flush(callback: Function): void {
+  public _flush(callback: () => void): void {
     var parser = this._parser;
@@ -78,3 +87,3 @@ parser.setData(this._buffer, 0, this._bufferSize, true);
         state: parser.state,
-        result: parser.result
+        result: parser.result,
       });
@@ -81,0 +90,0 @@ }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

980409

increased by1.61%

Number of package files

44

increased by7.32%

Lines of code

19149

increased by13.87%

Worsened metrics

Dev dependency count

19

increased by58.33%

Dependency changes

• + Added@types/node@14.18.63(transitive)

• - Removed@types/node@12.20.55(transitive)

• Updated@types/node@^14.0.13