@msgpack/msgpack - npm Package Compare versions

Comparing version 1.9.3 to 1.10.0

CHANGELOG.md

 This is the revision history of @msgpack/msgpack
 
+## v1.10.0 2019/12/27
+
+https://github.com/msgpack/msgpack-javascript/compare/v1.9.3...v1.10.0
+
+* Removed WebAssembly implementation, which introduced complexity rather than performance ([#95](https://github.com/msgpack/msgpack-javascript/pull/95))
+
 ## v1.9.3 2019/10/30
@@ -4,0 +10,0 @@

dist.es5/msgpack.min.js

@@ -1,2 +0,2 @@
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e}t=[]}else{var r=e-160;t=this.decodeUtf8String(r,0)}else if(192===e)t=null;else if(194===e)t=!1;else if(195===e)t=!0;else if(202===e)t=this.readF32();else if(203===e)t=this.readF64();else if(204===e)t=this.readU8();else if(205===e)t=this.readU16();else if(206===e)t=this.readU32();else if(207===e)t=this.readU64();else if(208===e)t=this.readI8();else if(209===e)t=this.readI16();else if(210===e)t=this.readI32();else if(211===e)t=this.readI64();else if(217===e){r=this.lookU8();t=this.decodeUtf8String(r,1)}else if(218===e){r=this.lookU16();t=this.decodeUtf8String(r,2)}else if(219===e){r=this.lookU32();t=this.decodeUtf8String(r,4)}else if(220===e){if(0!==(n=this.readU16())){this.pushArrayState(n),this.complete();continue e}t=[]}else if(221===e){if(0!==(n=this.readU32())){this.pushArrayState(n),this.complete();continue e}t=[]}else if(222===e){if(0!==(n=this.readU16())){this.pushMapState(n),this.complete();continue e}t={}}else if(223===e){if(0!==(n=this.readU32())){this.pushMapState(n),this.complete();continue e}t={}}else if(196===e){var n=this.lookU8();t=this.decodeBinary(n,1)}else if(197===e){n=this.lookU16();t=this.decodeBinary(n,2)}else if(198===e){n=this.lookU32();t=this.decodeBinary(n,4)}else if(212===e)t=this.decodeExtension(1,0);else if(213===e)t=this.decodeExtension(2,0);else if(214===e)t=this.decodeExtension(4,0);else if(215===e)t=this.decodeExtension(8,0);else if(216===e)t=this.decodeExtension(16,0);else if(199===e){n=this.lookU8();t=this.decodeExtension(n,1)}else if(200===e){n=this.lookU16();t=this.decodeExtension(n,2)}else{if(201!==e)throw new Error("Unrecognized type byte: "+z(e));n=this.lookU32();t=this.decodeExtension(n,4)}this.complete();for(var i=this.stack;i.length>0;){var o=i[i.length-1];if(0===o.type){if(o.array[o.position]=t,o.position++,o.position!==o.size)continue e;i.pop(),t=o.array}else{if(1===o.type){if(s=void 0,"string"!==(s=typeof t)&&"number"!==s)throw new Error("The type of key must be string or number but "+typeof t);o.key=t,o.type=2;continue e}if(2===o.type){if(o.map[o.key]=t,o.readCount++,o.readCount!==o.size){o.key=null,o.type=1;continue e}i.pop(),t=o.map}}}return t}var s},e.prototype.readHeadByte=function(){return this.headByte===V&&(this.headByte=this.readU8()),this.headByte},e.prototype.complete=function(){this.headByte=V},e.prototype.readArraySize=function(){var e=this.readHeadByte();switch(e){case 220:return this.readU16();case 221:return this.readU32();default:if(e<160)return e-144;throw new Error("Unrecognized array type byte: "+z(e))}},e.prototype.pushMapState=function(e){if(e>this.maxMapLength)throw new Error("Max length exceeded: map length ("+e+") > maxMapLengthLength ("+this.maxMapLength+")");this.stack.push({type:1,size:e,key:null,readCount:0,map:{}})},e.prototype.pushArrayState=function(e){if(e>this.maxArrayLength)throw new Error("Max length exceeded: array length ("+e+") > maxArrayLength ("+this.maxArrayLength+")");this.stack.push({type:0,size:e,array:new Array(e),position:0})},e.prototype.decodeUtf8String=function(e,t){var r;if(e>this.maxStrLength)throw new Error("Max length exceeded: UTF-8 byte length ("+e+") > maxStrLength ("+this.maxStrLength+")");if(this.bytes.byteLength<this.pos+t+e)throw H;var n,i=this.pos+t;return n=this.stateIsMapKey()&&(null===(r=this.cachedKeyDecoder)||void 0===r?void 0:r.canBeCached(e))?this.cachedKeyDecoder.decode(this.bytes,i,e):s&&e>200?function(e,t,r){var n=e.subarray(t,t+r);return l.decode(n)}(this.bytes,i,e):f(this.bytes,i,e),this.pos+=t+e,n},e.prototype.stateIsMapKey=function(){return this.stack.length>0&&1===this.stack[this.stack.length-1].type},e.prototype.decodeBinary=function(e,t){if(e>this.maxBinLength)throw new Error("Max length exceeded: bin length ("+e+") > maxBinLength ("+this.maxBinLength+")");if(!this.hasRemaining(e+t))throw H;var r=this.pos+t,n=this.bytes.subarray(r,r+e);return this.pos+=t+e,n},e.prototype.decodeExtension=function(e,t){if(e>this.maxExtLength)throw new Error("Max length exceeded: ext length ("+e+") > maxExtLength ("+this.maxExtLength+")");var r=this.view.getInt8(this.pos+t),n=this.decodeBinary(e,t+1);return this.extensionCodec.decode(n,r)},e.prototype.lookU8=function(){return this.view.getUint8(this.pos)},e.prototype.lookU16=function(){return this.view.getUint16(this.pos)},e.prototype.lookU32=function(){return this.view.getUint32(this.pos)},e.prototype.readU8=function(){var e=this.view.getUint8(this.pos);return this.pos++,e},e.prototype.readI8=function(){var e=this.view.getInt8(this.pos);return this.pos++,e},e.prototype.readU16=function(){var e=this.view.getUint16(this.pos);return this.pos+=2,e},e.prototype.readI16=function(){var e=this.view.getInt16(this.pos);return this.pos+=2,e},e.prototype.readU32=function(){var e=this.view.getUint32(this.pos);return this.pos+=4,e},e.prototype.readI32=function(){var e=this.view.getInt32(this.pos);return this.pos+=4,e},e.prototype.readU64=function(){var e,t,r=(e=this.view,t=this.pos,4294967296*e.getUint32(t)+e.getUint32(t+4));return this.pos+=8,r},e.prototype.readI64=function(){var e=y(this.view,this.pos);return this.pos+=8,e},e.prototype.readF32=function(){var e=this.view.getFloat32(this.pos);return this.pos+=4,e},e.prototype.readF64=function(){var e=this.view.getFloat64(this.pos);return this.pos+=8,e},e}(),J={};function Q(e,t){void 0===t&&(t=J);var r=new q(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength);return r.setBuffer(e),r.decodeSingleSync()}var Y=function(e,t){var r,n,i,o,s={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:a(0),throw:a(1),return:a(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function a(o){return function(a){return function(o){if(r)throw new TypeError("Generator is already executing.");for(;s;)try{if(r=1,n&&(i=2&o[0]?n.return:o[0]?n.throw||((i=n.return)&&i.call(n),0):n.next)&&!(i=i.call(n,o[1])).done)return i;switch(n=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return s.label++,{value:o[1],done:!1};case 5:s.label++,n=o[1],o=[0];continue;case 7:o=s.ops.pop(),s.trys.pop();continue;default:if(!(i=(i=s.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){s=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){s.label=o[1];break}if(6===o[0]&&s.label<i[1]){s.label=i[1],i=o;break}if(i&&s.label<i[2]){s.label=i[2],s.ops.push(o);break}i[2]&&s.ops.pop(),s.trys.pop();continue}o=t.call(e,s)}catch(e){o=[6,e],n=0}finally{r=i=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,a])}}},Z=function(e){return this instanceof Z?(this.v=e,this):new Z(e)},$=function(e,t,r){if(!Symbol.asyncIterator)throw new TypeError("Symbol.asyncIterator is not defined.");var n,i=r.apply(e,t||[]),o=[];return n={},s("next"),s("throw"),s("return"),n[Symbol.asyncIterator]=function(){return this},n;function s(e){i[e]&&(n[e]=function(t){return new Promise((function(r,n){o.push([e,t,r,n])>1||a(e,t)}))})}function a(e,t){try{(r=i[e](t)).value instanceof Z?Promise.resolve(r.value.v).then(h,u):c(o[0][2],r)}catch(e){c(o[0][3],e)}var r}function h(e){a("next",e)}function u(e){a("throw",e)}function c(e,t){e(t),o.shift(),o.length&&a(o[0][0],o[0][1])}};function ee(e){return null!=e[Symbol.asyncIterator]?e:function(e){return $(this,arguments,(function(){var t,r,n,i;return Y(this,(function(o){switch(o.label){case 0:t=e.getReader(),o.label=1;case 1:o.trys.push([1,,9,10]),o.label=2;case 2:return[4,Z(t.read())];case 3:return r=o.sent(),n=r.done,i=r.value,n?[4,Z(void 0)]:[3,5];case 4:return[2,o.sent()];case 5:return[4,Z(i)];case 6:return[4,o.sent()];case 7:return o.sent(),[3,2];case 8:return[3,10];case 9:return t.releaseLock(),[7];case 10:return[2]}}))}))}(e)}var te=function(e,t,r,n){return new(r||(r=Promise))((function(i,o){function s(e){try{h(n.next(e))}catch(e){o(e)}}function a(e){try{h(n.throw(e))}catch(e){o(e)}}function h(e){var t;e.done?i(e.value):(t=e.value,t instanceof r?t:new r((function(e){e(t)}))).then(s,a)}h((n=n.apply(e,t||[])).next())}))},re=function(e,t){var r,n,i,o,s={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:a(0),throw:a(1),return:a(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function a(o){return function(a){return function(o){if(r)throw new TypeError("Generator is already executing.");for(;s;)try{if(r=1,n&&(i=2&o[0]?n.return:o[0]?n.throw||((i=n.return)&&i.call(n),0):n.next)&&!(i=i.call(n,o[1])).done)return i;switch(n=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return s.label++,{value:o[1],done:!1};case 5:s.label++,n=o[1],o=[0];continue;case 7:o=s.ops.pop(),s.trys.pop();continue;default:if(!(i=(i=s.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){s=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){s.label=o[1];break}if(6===o[0]&&s.label<i[1]){s.label=i[1],i=o;break}if(i&&s.label<i[2]){s.label=i[2],s.ops.push(o);break}i[2]&&s.ops.pop(),s.trys.pop();continue}o=t.call(e,s)}catch(e){o=[6,e],n=0}finally{r=i=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,a])}}};function ne(e,t){return void 0===t&&(t=J),te(this,void 0,void 0,(function(){var r;return re(this,(function(n){return r=ee(e),[2,new q(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeSingleAsync(r)]}))}))}function ie(e,t){void 0===t&&(t=J);var r=ee(e);return new q(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeArrayStream(r)}function oe(e,t){void 0===t&&(t=J);var r=ee(e);return new q(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeStream(r)}r.d(t,"encode",(function(){return M})),r.d(t,"decode",(function(){return Q})),r.d(t,"decodeAsync",(function(){return ne})),r.d(t,"decodeArrayStream",(function(){return ie})),r.d(t,"decodeStream",(function(){return oe})),r.d(t,"Decoder",(function(){return q})),r.d(t,"Encoder",(function(){return T})),r.d(t,"ExtensionCodec",(function(){return E})),r.d(t,"ExtData",(function(){return p})),r.d(t,"EXT_TIMESTAMP",(function(){return-1})),r.d(t,"encodeDateToTimeSpec",(function(){return b})),r.d(t,"encodeTimeSpecToTimestamp",(function(){return g})),r.d(t,"decodeTimestampToTimeSpec",(function(){return x})),r.d(t,"encodeTimestampExtension",(function(){return m})),r.d(t,"decodeTimestampExtension",(function(){return U}))}])}));
 //# sourceMappingURL=msgpack.min.js.map

dist/Decoder.js

@@ -8,3 +8,2 @@ "use strict";
 const typedArrays_1 = require("./utils/typedArrays");
-const wasmFunctions_1 = require("./wasmFunctions");
 const CachedKeyDecoder_1 = require("./CachedKeyDecoder");
@@ -452,2 +451,3 @@ const isValidMapKeyType = (key) => {
     decodeUtf8String(byteLength, headerOffset) {
+        var _a;
         if (byteLength > this.maxStrLength) {
@@ -461,3 +461,3 @@ throw new Error(`Max length exceeded: UTF-8 byte length (${byteLength}) > maxStrLength (${this.maxStrLength})`);
         let object;
-        if (this.cachedKeyDecoder && this.stateIsMapKey() && this.cachedKeyDecoder.canBeCached(byteLength)) {
+        if (this.stateIsMapKey() && ((_a = this.cachedKeyDecoder) === null || _a === void 0 ? void 0 : _a.canBeCached(byteLength))) {
             object = this.cachedKeyDecoder.decode(this.bytes, offset, byteLength);
@@ -468,5 +468,2 @@ }
         }
-        else if (wasmFunctions_1.WASM_AVAILABLE && byteLength > wasmFunctions_1.WASM_STR_THRESHOLD) {
-            object = wasmFunctions_1.utf8DecodeWasm(this.bytes, offset, byteLength);
-        }
         else {
@@ -473,0 +470,0 @@ object = utf8_1.utf8DecodeJs(this.bytes, offset, byteLength);

dist/Encoder.js

@@ -7,3 +7,2 @@ "use strict";
 const typedArrays_1 = require("./utils/typedArrays");
-const wasmFunctions_1 = require("./wasmFunctions");
 exports.DEFAULT_MAX_DEPTH = 100;
@@ -173,11 +172,2 @@ exports.DEFAULT_INITIAL_BUFFER_SIZE = 2048;
         }
-        else if (wasmFunctions_1.WASM_AVAILABLE && strLength > wasmFunctions_1.WASM_STR_THRESHOLD) {
-            // ensure max possible size
-            const maxSize = maxHeaderSize + strLength * 4;
-            this.ensureBufferSizeToWrite(maxSize);
-            // utf8EncodeWasm() handles headByte+size as well as string itself
-            const ouputLength = wasmFunctions_1.utf8EncodeWasm(object, this.bytes, this.pos);
-            this.pos += ouputLength;
-            return;
-        }
         else {
@@ -184,0 +174,0 @@ const byteLength = utf8_1.utf8Count(object);

dist/index.d.ts

@@ -15,5 +15,1 @@ export { encode } from "./encode";
 export { EXT_TIMESTAMP, encodeDateToTimeSpec, encodeTimeSpecToTimestamp, decodeTimestampToTimeSpec, encodeTimestampExtension, decodeTimestampExtension, } from "./timestamp";
-/**
- * @experimental WebAssembly backend is experimenal.
- */
-export { WASM_AVAILABLE as __WASM_AVAILABLE } from "./wasmFunctions";

dist/index.js

@@ -34,7 +34,2 @@ "use strict";
 exports.decodeTimestampExtension = timestamp_1.decodeTimestampExtension;
-/**
- * @experimental WebAssembly backend is experimenal.
- */
-var wasmFunctions_1 = require("./wasmFunctions");
-exports.__WASM_AVAILABLE = wasmFunctions_1.WASM_AVAILABLE;
 //# sourceMappingURL=index.js.map

dist/utils/utf8.js

 "use strict";
+var _a;
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.TEXT_ENCODING_AVAILABLE = process.env.TEXT_ENCODING !== "never" && (typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined");
+exports.TEXT_ENCODING_AVAILABLE = process.env.TEXT_ENCODING !== "never" && typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined";
 function utf8Count(str) {
@@ -97,3 +98,3 @@ const strLength = str.length;
 }
-exports.utf8EncodeTE = sharedTextEncoder && sharedTextEncoder.encodeInto ? utf8EncodeTEencodeInto : utf8EncodeTEencode;
+exports.utf8EncodeTE = ((_a = sharedTextEncoder) === null || _a === void 0 ? void 0 : _a.encodeInto) ? utf8EncodeTEencodeInto : utf8EncodeTEencode;
 const CHUNK_SIZE = 4096;
@@ -100,0 +101,0 @@ function utf8DecodeJs(bytes, inputOffset, byteLength) {

package.json

 {
   "name": "@msgpack/msgpack",
-  "version": "1.9.3",
+  "version": "1.10.0",
   "description": "MessagePack for JavaScript/ECMA-262",
@@ -13,17 +13,14 @@ "author": "The MessagePack community",
     "build": "npm publish --dry-run",
-    "prepare": "npm run clean && npm run asbuild:production && tsc -p tsconfig.dist.json && webpack",
+    "prepare": "npm run clean && tsc -p tsconfig.dist.json && webpack",
     "prepublishOnly": "run-p 'test:dist:*' && npm run test:browser",
     "clean": "rimraf build dist dist.*",
     "test": "mocha 'test/**/*.test.ts'",
-    "test:purejs": "TEXT_ENCODING=never MSGPACK_WASM=never mocha 'test/**/*.test.ts'",
-    "test:wasm": "npm run asbuild:production && TEXT_ENCODING=never MSGPACK_WASM=force mocha 'test/**/*.test.ts'",
+    "test:purejs": "TEXT_ENCODING=never mocha 'test/**/*.test.ts'",
     "test:te": "TEXT_ENCODING=force mocha 'test/**/*.test.ts'",
     "test:dist:purejs": "TS_NODE_PROJECT=tsconfig.test-dist-es5-purejs.json npm run test:purejs -- --reporter=dot",
-    "test:dist:wasm": "TS_NODE_PROJECT=tsconfig.test-dist-es5-wasm.json npm run test:wasm -- --reporter=dot",
     "test:cover": "npm run cover:clean && npm-run-all 'test:cover:*' && npm run cover:report",
     "test:cover:purejs": "npx nyc --no-clean npm run test:purejs",
-    "test:cover:wasm": "npx nyc --no-clean npm run test:wasm",
     "test:cover:te": "npx nyc --no-clean npm run test:te",
     "cover:clean": "rimraf .nyc_output coverage/",
-    "cover:report": "nyc report --reporter=text-summary --reporter=html --reporter=json",
+    "cover:report": "npx nyc report --reporter=text-summary --reporter=html --reporter=json",
     "test:browser": "karma start --single-run",
@@ -38,4 +35,2 @@ "test:browser:firefox": "karma start --single-run --browsers FirefoxHeadless",
     "format": "prettier --write 'src/**/*.ts' 'test/**/*.ts'",
-    "asbuild:development": "asc assembly/index.ts -b dist/wasm/msgpack.wasm -t dist/wasm/msgpack.wat --sourceMap --validate --debug && ts-node tools/pack-wasm.ts",
-    "asbuild:production": "asc assembly/index.ts -b dist/wasm/msgpack.wasm -t dist/wasm/msgpack.wat --sourceMap --validate -O3 && ts-node tools/pack-wasm.ts",
     "update-dependencies": "rimraf node_modules/ package-lock.json && npm install && npm dedupe"
@@ -62,3 +57,2 @@ },
     "@bitjourney/check-es-version-webpack-plugin": "latest",
-    "@types/base64-js": "latest",
     "@types/mocha": "latest",
@@ -68,3 +62,2 @@ "@types/node": "latest",
     "@typescript-eslint/parser": "latest",
-    "assemblyscript": "github:AssemblyScript/assemblyscript#5269a6b9c4e14983c43671328257c156cdf1de8a",
     "assert": "latest",
@@ -99,5 +92,3 @@ "core-js": "latest",
   },
-  "dependencies": {
-    "base64-js": "^1.3.0"
-  },
+  "dependencies": {},
   "files": [
@@ -104,0 +95,0 @@ "src/**/*.*",

README.md

@@ -45,26 +45,26 @@ # MessagePack for JavaScript/ECMA-262
 - [API](#api)
-    - [`encode(data: unknown, options?: EncodeOptions): Uint8Array`](#encodedata-unknown-options-encodeoptions-uint8array)
-        - [`EncodeOptions`](#encodeoptions)
-    - [`decode(buffer: ArrayLike<number> | ArrayBuffer, options?: DecodeOptions): unknown`](#decodebuffer-arraylikenumber--arraybuffer-options-decodeoptions-unknown)
-        - [`DecodeOptions`](#decodeoptions)
-    - [`decodeAsync(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): Promise<unknown>`](#decodeasyncstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-promiseunknown)
-    - [`decodeArrayStream(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): AsyncIterable<unknown>`](#decodearraystreamstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-asynciterableunknown)
-    - [`decodeStream(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): AsyncIterable<unknown>`](#decodestreamstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-asynciterableunknown)
-    - [Extension Types](#extension-types)
-        - [Handling BigInt with ExtensionCodec](#handling-bigint-with-extensioncodec)
-        - [The temporal module as timestamp extensions](#the-temporal-module-as-timestamp-extensions)
+  - [`encode(data: unknown, options?: EncodeOptions): Uint8Array`](#encodedata-unknown-options-encodeoptions-uint8array)
+    - [`EncodeOptions`](#encodeoptions)
+  - [`decode(buffer: ArrayLike<number> | ArrayBuffer, options?: DecodeOptions): unknown`](#decodebuffer-arraylikenumber--arraybuffer-options-decodeoptions-unknown)
+    - [`DecodeOptions`](#decodeoptions)
+  - [`decodeAsync(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): Promise<unknown>`](#decodeasyncstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-promiseunknown)
+  - [`decodeArrayStream(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): AsyncIterable<unknown>`](#decodearraystreamstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-asynciterableunknown)
+  - [`decodeStream(stream: AsyncIterable<ArrayLike<number>> | ReadableStream<ArrayLike<number>>, options?: DecodeAsyncOptions): AsyncIterable<unknown>`](#decodestreamstream-asynciterablearraylikenumber--readablestreamarraylikenumber-options-decodeasyncoptions-asynciterableunknown)
+  - [Extension Types](#extension-types)
+    - [Handling BigInt with ExtensionCodec](#handling-bigint-with-extensioncodec)
+    - [The temporal module as timestamp extensions](#the-temporal-module-as-timestamp-extensions)
 - [MessagePack Specification](#messagepack-specification)
-    - [MessagePack Mapping Table](#messagepack-mapping-table)
+  - [MessagePack Mapping Table](#messagepack-mapping-table)
 - [Prerequsites](#prerequsites)
-    - [ECMA-262](#ecma-262)
-    - [NodeJS](#nodejs)
+  - [ECMA-262](#ecma-262)
+  - [NodeJS](#nodejs)
 - [Benchmark](#benchmark)
 - [Distribution](#distribution)
-    - [NPM / npmjs.com](#npm--npmjscom)
-    - [CDN / unpkg.com](#cdn--unpkgcom)
+  - [NPM / npmjs.com](#npm--npmjscom)
+  - [CDN / unpkg.com](#cdn--unpkgcom)
 - [Maintenance](#maintenance)
-    - [Testing](#testing)
-    - [Continuous Integration](#continuous-integration)
-    - [Release Engineering](#release-engineering)
-    - [Updating Dependencies](#updating-dependencies)
+  - [Testing](#testing)
+  - [Continuous Integration](#continuous-integration)
+  - [Release Engineering](#release-engineering)
+  - [Updating Dependencies](#updating-dependencies)
 - [Big Thanks](#big-thanks)
@@ -453,4 +453,2 @@ - [License](#license)
 
-* WebAssembly availability
-  * `WASM=force` / `WASM=never`
 * TypeScript targets
@@ -457,0 +455,0 @@ * `target=es2019` / `target=es5`

src/Decoder.ts

@@ -6,3 +6,2 @@ import { prettyByte } from "./utils/prettyByte";
 import { createDataView, ensureUint8Array } from "./utils/typedArrays";
-import { WASM_AVAILABLE, WASM_STR_THRESHOLD, utf8DecodeWasm } from "./wasmFunctions";
 import { CachedKeyDecoder } from "./CachedKeyDecoder";
@@ -481,8 +480,6 @@
     let object: string;
-    if (this.cachedKeyDecoder && this.stateIsMapKey() && this.cachedKeyDecoder.canBeCached(byteLength)) {
+    if (this.stateIsMapKey() && this.cachedKeyDecoder?.canBeCached(byteLength)) {
       object = this.cachedKeyDecoder.decode(this.bytes, offset, byteLength);
     } else if (TEXT_ENCODING_AVAILABLE && byteLength > TEXT_DECODER_THRESHOLD) {
       object = utf8DecodeTD(this.bytes, offset, byteLength);
-    } else if (WASM_AVAILABLE && byteLength > WASM_STR_THRESHOLD) {
-      object = utf8DecodeWasm(this.bytes, offset, byteLength);
     } else {
@@ -489,0 +486,0 @@ object = utf8DecodeJs(this.bytes, offset, byteLength);

src/Encoder.ts

@@ -6,3 +6,2 @@ import { utf8EncodeJs, utf8Count, TEXT_ENCODING_AVAILABLE, TEXT_ENCODER_THRESHOLD, utf8EncodeTE } from "./utils/utf8";
 import { ExtData } from "./ExtData";
-import { WASM_AVAILABLE, utf8EncodeWasm, WASM_STR_THRESHOLD } from "./wasmFunctions";
 
@@ -167,11 +166,2 @@ export const DEFAULT_MAX_DEPTH = 100;
       this.pos += byteLength;
-    } else if (WASM_AVAILABLE && strLength > WASM_STR_THRESHOLD) {
-      // ensure max possible size
-      const maxSize = maxHeaderSize + strLength * 4;
-      this.ensureBufferSizeToWrite(maxSize);
-
-      // utf8EncodeWasm() handles headByte+size as well as string itself
-      const ouputLength = utf8EncodeWasm(object, this.bytes, this.pos);
-      this.pos += ouputLength;
-      return;
     } else {
@@ -178,0 +168,0 @@ const byteLength = utf8Count(object);

src/index.ts

@@ -29,6 +29,1 @@ // Main Functions:
 } from "./timestamp";
-
-/**
- * @experimental WebAssembly backend is experimenal.
- */
-export { WASM_AVAILABLE as __WASM_AVAILABLE } from "./wasmFunctions";

src/utils/utf8.ts

 export const TEXT_ENCODING_AVAILABLE =
-  process.env.TEXT_ENCODING !== "never" && (typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined");
+  process.env.TEXT_ENCODING !== "never" && typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined";
 
@@ -100,4 +100,3 @@ export function utf8Count(str: string): number {
 
-export const utf8EncodeTE =
-  sharedTextEncoder && sharedTextEncoder.encodeInto ? utf8EncodeTEencodeInto : utf8EncodeTEencode;
+export const utf8EncodeTE = sharedTextEncoder?.encodeInto ? utf8EncodeTEencodeInto : utf8EncodeTEencode;
 
@@ -104,0 +103,0 @@ const CHUNK_SIZE = 0x1_000;

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Found 1 instance in 1 package

Fixed alerts

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License

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Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Dependency count

0

decreased by-100%

Dev dependency count

33

decreased by-5.71%

Number of low supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

464853

decreased by-39.63%

Number of package files

68

decreased by-12.82%

Lines of code

5210

decreased by-31.2%

Number of lines in readme file

496

decreased by-0.4%

Dependency changes

• - Removedbase64-js@^1.3.0

• - Removedbase64-js@1.5.1(transitive)