[tslib] initital integration

projects/tslib/Dockerfile

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+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-javascript
+
+
+RUN  git clone --depth 1 https://github.com/microsoft/tslib
+
+COPY build.sh $SRC/
+COPY fuzz.js $SRC/tslib
+
+WORKDIR $SRC/tslib

projects/tslib/build.sh

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+#!/bin/bash -eu
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Install dependencies.
+npm install
+npm install --save-dev @jazzer.js/core
+
+# Build Fuzzers.
+compile_javascript_fuzzer tslib fuzz.js --sync

projects/tslib/fuzz.js

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+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+const { FuzzedDataProvider } = require('@jazzer.js/core');
+const tslib = require('./tslib.js');
+
+module.exports.fuzz = function(data) {
+  const provider = new FuzzedDataProvider(data);
+
+  try {
+    const functionList = [
+      '__assign',
+      '__rest',
+      '__spread',
+      '__decorate',
+      '__param',
+      '__awaiter',
+      '__generator',
+      '__exportStar',
+      '__values',
+      '__read',
+      '__spreadArrays',
+      '__spreadArray',
+      '__extends'
+    ];
+
+    const functionName = provider.pickValue(functionList);
+
+    let numProperties;
+    switch (functionName) {
+      case '__assign':
+
+        const target = {};
+        const numSources = provider.consumeIntegral(1, false);
+        const sources = [];
+        for (let i = 0; i < numSources; i++) {
+          const source = {};
+          numProperties = provider.consumeIntegral(1, false);
+          for (let j = 0; j < numProperties; j++) {
+            const key = provider.consumeString(10);
+            const value = provider.consumeBoolean() ? provider.consumeString(10) : provider.consumeNumber();
+            source[key] = value;
+          }
+          sources.push(source);
+        }
+
+
+        tslib.__assign(target, ...sources);
+        break;
+
+      case '__rest':
+
+        const obj = {};
+        numProperties = provider.consumeIntegral(1, false);
+        for (let i = 0; i < numProperties; i++) {
+          const key = provider.consumeString(10);
+          const value = provider.consumeBoolean() ? provider.consumeString(10) : provider.consumeNumber();
+          obj[key] = value;
+        }
+        const keys = Object.keys(obj);
+        const excludedKeys = keys.sort(() => Math.random() - 0.5).slice(0, provider.consumeIntegral(1, false));
+
+
+        tslib.__rest(obj, excludedKeys);
+        break;
+
+      case '__spread':
+
+        const arr = [];
+        const numArrays = provider.consumeIntegral(1, false);
+        for (let i = 0; i < numArrays; i++) {
+          const subArr = [];
+          const numElements = provider.consumeIntegral(1, false);
+          for (let j = 0; j < numElements; j++) {
+            const element = provider.consumeBoolean() ? provider.consumeString(10) : provider.consumeNumber();
+            subArr.push(element);
+          }
+          arr.push(subArr);
+        }
+
+
+        tslib.__spreadArray([], arr, true);
+        break;
+
+      case '__decorate':
+
+        const classConstructor = function() { };
+        const numDecorators = provider.consumeIntegral(1, false);
+        const decorators = [];
+        for (let i = 0; i < numDecorators; i++) {
+          const decorator = function() { };
+          decorators.push(decorator);
+        }
+
+
+        tslib.__decorate(decorators, classConstructor.prototype, 'methodName', Object.getOwnPropertyDescriptor(classConstructor.prototype, 'methodName'));
+        break;
+
+      case '__param':
+
+        const index = provider.consumeIntegral(1, false);
+        const decorator = function() { };
+
+
+        tslib.__param(index, decorator);
+        break;
+
+      case '__metadata':
+
+        const key = provider.consumeString(10);
+        const value = provider.consumeBoolean() ? provider.consumeString(10) : provider.consumeNumber();
+        const target1 = function() { };
+
+
+        tslib.__metadata(key, value)(target1, 'methodName', 0);
+        break;
+
+      case '__awaiter':
+
+        const thisArg = {};
+        const _arguments = [];
+        const resolve = function() { };
+        const reject = function() { };
+
+
+        tslib.__awaiter(thisArg, _arguments, resolve, reject);
+        break;
+
+      case '__generator':
+
+        const obj1 = {};
+        const body = function() { };
+        const methodName = provider.consumeString(10);
+
+
+        tslib.__generator(obj1, body, methodName);
+        break;
+
+      case '__exportStar':
+
+        const moduleObj = {};
+        const exportsObj = {};
+
+
+        tslib.__exportStar(moduleObj, exportsObj);
+        break;
+
+      case '__values':
+
+        const iterable = [];
+        const iteratorMethod = function() { };
+
+
+        tslib.__values(iterable, iteratorMethod);
+        break;
+
+      case '__read':
+
+        const iterator = {};
+        tslib.__read(iterator, true);
+
+        break;
+
+      case '__spreadArrays':
+
+        const arr1 = [];
+        const arr2 = [];
+        const arr3 = [];
+        const arr4 = [];
+        const arr5 = [];
+
+
+        tslib.__spreadArray([], arr1).concat(tslib.__spreadArray([], arr2), tslib.__spreadArray([], arr3), tslib.__spreadArray([], arr4), tslib.__spreadArray([], arr5));
+        break;
+
+      case '__spreadArray':
+
+        const to = [];
+        const from = [];
+        const condition = function() { };
+
+
+        tslib.__spreadArray(to, from, condition);
+        break;
+
+      case '__extends':
+
+        const derivedCtor = provider.consumeString(10);
+        const baseCtor = provider.consumeString(10);
+
+
+        const proto = {};
+        numProperties = provider.consumeIntegral(1, false);
+        for (let i = 0; i < numProperties; i++) {
+          const key = provider.consumeString(10);
+          const value = provider.consumeBoolean() ? provider.consumeString(10) : provider.consumeNumber();
+          proto[key] = value;
+        }
+
+
+        tslib.__extends(derivedCtor, baseCtor, proto);
+        break;
+
+      default:
+        break;
+    }
+
+  } catch (error) {
+    if (!ignoredError(error)) throw error;
+  }
+};
+
+function ignoredError(error) {
+  return !!ignored.find((message) => error.message.indexOf(message) !== -1);
+}
+
+const ignored = [
+  "Class extends value"
+];

projects/tslib/project.yaml

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+homepage: https://github.com/microsoft/tslib
+language: javascript
+main_repo: https://github.com/microsoft/tslib
+fuzzing_engines:
+- libfuzzer
+sanitizers:
+- none
+vendor_ccs:
+  - "[email protected]"
+  - "[email protected]"
+  - "[email protected]"
+  - "[email protected]"
+  - "[email protected]"
+  - "[email protected]"
+  - "[email protected]"